# Checking port 23156 # Found port 23156 Name: primary Data directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata Backup directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/backup Archive directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/archives Connection string: port=23156 host=/tmp/yHV3hKoMwX Log file: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/log/027_stream_regress_primary.log [16:02:13.008](0.017s) # initializing database system by running initdb # Running: initdb --no-sync --pgdata /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata --auth trust -c debug_copy_parse_plan_trees=on -c debug_write_read_parse_plan_trees=on -c debug_raw_expression_coverage_test=on -c debug_parallel_query=regress The files belonging to this database system will be owned by user "postgres". This user must also own the server process. The database cluster will be initialized with this locale configuration: locale provider: libc LC_COLLATE: en_US.UTF-8 LC_CTYPE: en_US.UTF-8 LC_MESSAGES: C LC_MONETARY: en_US.UTF-8 LC_NUMERIC: en_US.UTF-8 LC_TIME: en_US.UTF-8 The default database encoding has accordingly been set to "UTF8". The default text search configuration will be set to "english". Data page checksums are enabled. creating directory /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata ... ok creating subdirectories ... ok selecting dynamic shared memory implementation ... posix selecting default "max_connections" ... 100 selecting default "shared_buffers" ... 128MB selecting default time zone ... UTC creating configuration files ... ok running bootstrap script ... ok performing post-bootstrap initialization ... ok Sync to disk skipped. The data directory might become corrupt if the operating system crashes. Success. You can now start the database server using: pg_ctl -D /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata -l logfile start # Running: /tmp/cirrus-ci-build/build/src/test/regress/pg_regress --config-auth /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata ### Starting node "primary" # Running: pg_ctl --wait --pgdata /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/pgdata --log /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/log/027_stream_regress_primary.log --options --cluster-name=primary start waiting for server to start.... done server started # Postmaster PID for node "primary" is 25441 (standby_1,) [16:02:15.025](2.017s) ok 1 - physical slot created on primary # Taking pg_basebackup my_backup from node "primary" # Running: pg_basebackup --no-sync --pgdata /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_primary_data/backup/my_backup --host /tmp/yHV3hKoMwX --port 23156 --checkpoint fast # Backup finished # Checking port 23157 # Found port 23157 Name: standby_1 Data directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_standby_1_data/pgdata Backup directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_standby_1_data/backup Archive directory: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_standby_1_data/archives Connection string: port=23157 host=/tmp/yHV3hKoMwX Log file: /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/log/027_stream_regress_standby_1.log # Initializing node "standby_1" from backup "my_backup" of node "primary" ### Enabling streaming replication for node "standby_1" ### Starting node "standby_1" # Running: pg_ctl --wait --pgdata /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_standby_1_data/pgdata --log /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/log/027_stream_regress_standby_1.log --options --cluster-name=standby_1 start waiting for server to start.... done server started # Postmaster PID for node "standby_1" is 25587 # using postmaster on /tmp/yHV3hKoMwX, port 23156 ok 1 - test_setup 418 ms # parallel group (20 tests): char varchar txid name oid pg_lsn text uuid float4 regproc float8 int4 int2 boolean bit money enum int8 rangetypes numeric ok 2 + boolean 1388 ms ok 3 + char 136 ms ok 4 + name 385 ms ok 5 + varchar 179 ms ok 6 + text 417 ms ok 7 + int2 991 ms ok 8 + int4 810 ms ok 9 + int8 2431 ms ok 10 + oid 402 ms ok 11 + float4 534 ms ok 12 + float8 563 ms ok 13 + bit 1722 ms ok 14 + numeric 8069 ms ok 15 + txid 335 ms ok 16 + uuid 518 ms ok 17 + enum 1989 ms ok 18 + money 1752 ms ok 19 + rangetypes 3374 ms ok 20 + pg_lsn 408 ms ok 21 + regproc 540 ms # parallel group (20 tests): lseg md5 path circle timetz line point macaddr8 time numerology macaddr timestamp box date inet polygon interval timestamptz strings multirangetypes ok 22 + strings 15691 ms ok 23 + md5 156 ms ok 24 + numerology 538 ms ok 25 + point 275 ms ok 26 + lseg 120 ms ok 27 + line 259 ms ok 28 + box 1695 ms ok 29 + path 164 ms ok 30 + polygon 4002 ms ok 31 + circle 183 ms ok 32 + date 2689 ms ok 33 + time 301 ms ok 34 + timetz 238 ms ok 35 + timestamp 1326 ms ok 36 + timestamptz 11928 ms ok 37 + interval 10687 ms ok 38 + inet 3284 ms ok 39 + macaddr 655 ms ok 40 + macaddr8 300 ms ok 41 + multirangetypes 16811 ms # parallel group (14 tests): mvcc unicode misc_sanity comments expressions xid database stats_import regex type_sanity geometry tstypes horology opr_sanity ok 42 + geometry 5057 ms ok 43 + horology 6123 ms ok 44 + tstypes 5911 ms ok 45 + regex 3012 ms ok 46 + type_sanity 3702 ms ok 47 + opr_sanity 7144 ms ok 48 + misc_sanity 186 ms ok 49 + comments 254 ms ok 50 + expressions 810 ms ok 51 + unicode 166 ms ok 52 + xid 1027 ms ok 53 + mvcc 114 ms ok 54 + database 1766 ms ok 55 + stats_import 1993 ms # parallel group (6 tests): copyencoding copydml copyselect copy insert_conflict insert ok 56 + copy 932 ms ok 57 + copyselect 895 ms ok 58 + copydml 287 ms ok 59 + copyencoding 201 ms ok 60 + insert 4269 ms ok 61 + insert_conflict 1296 ms # parallel group (7 tests): create_function_c create_operator create_type create_misc create_procedure create_schema create_table ok 62 + create_function_c 86 ms ok 63 + create_misc 779 ms ok 64 + create_operator 640 ms ok 65 + create_procedure 1075 ms ok 66 + create_table 5946 ms ok 67 + create_type 715 ms ok 68 + create_schema 1130 ms # parallel group (5 tests): index_including_gist index_including create_index_spgist create_view create_index ok 69 + create_index 9317 ms ok 70 + create_index_spgist 3510 ms ok 71 + create_view 4065 ms ok 72 + index_including 2050 ms ok 73 + index_including_gist 1413 ms # parallel group (16 tests): infinite_recurse create_cast create_aggregate errors drop_if_exists hash_func roleattributes select create_am typed_table create_function_sql vacuum updatable_views constraints triggers inherit ok 74 + create_aggregate 569 ms ok 75 + create_function_sql 2637 ms ok 76 + create_cast 342 ms ok 77 + constraints 13747 ms ok 78 + triggers 16052 ms ok 79 + select 2147 ms ok 80 + inherit 16393 ms ok 81 + typed_table 2516 ms ok 82 + vacuum 6184 ms ok 83 + drop_if_exists 921 ms ok 84 + updatable_views 8349 ms ok 85 + roleattributes 1664 ms ok 86 + create_am 2380 ms ok 87 + hash_func 1376 ms ok 88 + errors 625 ms ok 89 + infinite_recurse 313 ms ok 90 - sanity_check 1129 ms # parallel group (20 tests): delete select_having random select_distinct_on namespace case select_into select_implicit prepared_xacts select_distinct portals union transactions hash_index subselect update btree_index join aggregates arrays ok 91 + select_into 681 ms ok 92 + select_distinct 1333 ms ok 93 + select_distinct_on 464 ms ok 94 + select_implicit 716 ms ok 95 + select_having 255 ms ok 96 + subselect 3750 ms ok 97 + union 2269 ms ok 98 + case 627 ms ok 99 + join 6714 ms ok 100 + aggregates 8072 ms ok 101 + transactions 2277 ms ok 102 + random 290 ms ok 103 + portals 1389 ms ok 104 + arrays 8702 ms ok 105 + btree_index 6452 ms ok 106 + hash_index 3440 ms ok 107 + update 5440 ms ok 108 + delete 214 ms ok 109 + namespace 593 ms ok 110 + prepared_xacts 992 ms # parallel group (20 tests): init_privs security_label drop_operator lock tablesample password object_address collate groupingsets spgist replica_identity rowsecurity gist gin matview identity join_hash generated_stored brin privileges ok 111 + brin 24817 ms ok 112 + gin 5746 ms ok 113 + gist 5673 ms ok 114 + spgist 3841 ms ok 115 + privileges 29199 ms ok 116 + init_privs 241 ms ok 117 + security_label 594 ms ok 118 + collate 2210 ms ok 119 + matview 6398 ms ok 120 + lock 1355 ms ok 121 + replica_identity 3888 ms ok 122 + rowsecurity 4801 ms ok 123 + object_address 1847 ms ok 124 + tablesample 1405 ms ok 125 + groupingsets 2764 ms ok 126 + drop_operator 870 ms ok 127 + password 1632 ms ok 128 + identity 7961 ms ok 129 + generated_stored 11552 ms ok 130 + join_hash 10937 ms # parallel group (2 tests): brin_bloom brin_multi ok 131 + brin_bloom 1758 ms ok 132 + brin_multi 8402 ms # parallel group (19 tests): async dbsize tidrangescan collate.utf8 tid sysviews create_role alter_operator tidscan misc_functions misc alter_generic tsrf incremental_sort merge without_overlaps create_table_like collate.icu.utf8 generated_virtual ok 133 + create_table_like 10691 ms ok 134 + alter_generic 1308 ms ok 135 + alter_operator 733 ms ok 136 + misc 1295 ms ok 137 + async 73 ms ok 138 + dbsize 263 ms ok 139 + merge 4742 ms ok 140 + misc_functions 1249 ms ok 141 + sysviews 458 ms ok 142 + tsrf 1599 ms ok 143 + tid 394 ms ok 144 + tidscan 802 ms ok 145 + tidrangescan 378 ms ok 146 + collate.utf8 389 ms ok 147 + collate.icu.utf8 11086 ms ok 148 + incremental_sort 1648 ms ok 149 + create_role 479 ms ok 150 + without_overlaps 10056 ms ok 151 + generated_virtual 12790 ms # parallel group (8 tests): collate.windows.win1252 collate.linux.utf8 amutils psql_crosstab psql_pipeline rules psql stats_ext ok 152 + rules 5962 ms ok 153 + psql 12095 ms ok 154 + psql_crosstab 716 ms ok 155 + psql_pipeline 1705 ms ok 156 + amutils 273 ms ok 157 + stats_ext 15316 ms ok 158 + collate.linux.utf8 66 ms ok 159 + collate.windows.win1252 25 ms ok 160 - select_parallel 3644 ms ok 161 - write_parallel 324 ms ok 162 - vacuum_parallel 205 ms ok 163 - maintain_every 87 ms # parallel group (2 tests): subscription publication ok 164 + publication 5792 ms ok 165 + subscription 243 ms # parallel group (17 tests): combocid portals_p2 functional_deps advisory_lock equivclass select_views indirect_toast dependency xmlmap guc bitmapops tsdicts window cluster tsearch foreign_data foreign_key ok 166 + select_views 960 ms ok 167 + portals_p2 480 ms ok 168 + foreign_key 18238 ms ok 169 + cluster 5028 ms ok 170 + dependency 1589 ms ok 171 + guc 2168 ms ok 172 + bitmapops 2604 ms ok 173 + combocid 367 ms ok 174 + tsearch 8318 ms ok 175 + tsdicts 2720 ms ok 176 + foreign_data 13032 ms ok 177 + window 3917 ms ok 178 + xmlmap 2100 ms ok 179 + functional_deps 565 ms ok 180 + advisory_lock 894 ms ok 181 + indirect_toast 1511 ms ok 182 + equivclass 930 ms # parallel group (9 tests): jsonpath_encoding json_encoding sqljson_jsontable jsonpath sqljson_queryfuncs jsonb_jsonpath sqljson json jsonb not ok 183 + json 2409 ms # (test process exited with exit code 2) not ok 184 + jsonb 2410 ms # (test process exited with exit code 2) ok 185 + json_encoding 626 ms not ok 186 + jsonpath 2313 ms # (test process exited with exit code 2) ok 187 + jsonpath_encoding 331 ms not ok 188 + jsonb_jsonpath 2366 ms # (test process exited with exit code 2) not ok 189 + sqljson 2389 ms # (test process exited with exit code 2) not ok 190 + sqljson_queryfuncs 2365 ms # (test process exited with exit code 2) ok 191 + sqljson_jsontable 650 ms # parallel group (18 tests): plancache domain copy2 limit rowtypes rangefuncs with alter_table returning plpgsql truncate xml conversion prepare polymorphism largeobject temp sequence not ok 192 + plancache 7 ms # (test process exited with exit code 2) not ok 193 + limit 12 ms # (test process exited with exit code 2) not ok 194 + plpgsql 21 ms # (test process exited with exit code 2) not ok 195 + copy2 10 ms # (test process exited with exit code 2) not ok 196 + temp 42 ms # (test process exited with exit code 2) not ok 197 + domain 9 ms # (test process exited with exit code 2) not ok 198 + rangefuncs 14 ms # (test process exited with exit code 2) not ok 199 + prepare 35 ms # (test process exited with exit code 2) not ok 200 + conversion 35 ms # (test process exited with exit code 2) not ok 201 + truncate 23 ms # (test process exited with exit code 2) not ok 202 + alter_table 17 ms # (test process exited with exit code 2) not ok 203 + sequence 68 ms # (test process exited with exit code 2) not ok 204 + polymorphism 35 ms # (test process exited with exit code 2) not ok 205 + rowtypes 13 ms # (test process exited with exit code 2) not ok 206 + returning 19 ms # (test process exited with exit code 2) not ok 207 + largeobject 37 ms # (test process exited with exit code 2) not ok 208 + with 16 ms # (test process exited with exit code 2) not ok 209 + xml 26 ms # (test process exited with exit code 2) # parallel group (14 tests): indexing partition_aggregate partition_join explain predicate tuplesort partition_info numa reloptions memoize compression hash_part stats partition_prune not ok 210 + partition_join 10 ms # (test process exited with exit code 2) not ok 211 + partition_prune 48 ms # (test process exited with exit code 2) not ok 212 + reloptions 16 ms # (test process exited with exit code 2) not ok 213 + hash_part 19 ms # (test process exited with exit code 2) not ok 214 + indexing 8 ms # (test process exited with exit code 2) not ok 215 + partition_aggregate 8 ms # (test process exited with exit code 2) not ok 216 + partition_info 14 ms # (test process exited with exit code 2) not ok 217 + tuplesort 14 ms # (test process exited with exit code 2) not ok 218 + explain 10 ms # (test process exited with exit code 2) not ok 219 + compression 18 ms # (test process exited with exit code 2) not ok 220 + memoize 18 ms # (test process exited with exit code 2) not ok 221 + stats 46 ms # (test process exited with exit code 2) not ok 222 + predicate 13 ms # (test process exited with exit code 2) not ok 223 + numa 15 ms # (test process exited with exit code 2) # parallel group (2 tests): event_trigger oidjoins not ok 224 + oidjoins 20 ms # (test process exited with exit code 2) not ok 225 + event_trigger 4 ms # (test process exited with exit code 2) not ok 226 - event_trigger_login 42 ms # (test process exited with exit code 2) not ok 227 - fast_default 5 ms # (test process exited with exit code 2) not ok 228 - tablespace 4 ms # (test process exited with exit code 2) 1..228 # 43 of 228 tests failed. # The differences that caused some tests to fail can be viewed in the file "/tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/regression.diffs". # A copy of the test summary that you see above is saved in the file "/tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/regression.out". === dumping /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/regression.diffs === diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/json.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/json.out --- /tmp/cirrus-ci-build/src/test/regress/expected/json.out 2025-06-04 16:00:28.753677000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/json.out 2025-06-04 16:05:10.737310000 +0000 @@ -1025,1744 +1025,10 @@ (1 row) select json_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); - json_extract_path -------------------- - {"f3":1} -(1 row) - -select json_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); - json_extract_path -------------------- - "f3" -(1 row) - -select json_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); - json_extract_path -------------------- - 1 -(1 row) - -select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6'); - json_extract_path_text ------------------------- - stringy -(1 row) - -select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); - json_extract_path_text ------------------------- - {"f3":1} -(1 row) - -select json_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); - json_extract_path_text ------------------------- - f3 -(1 row) - -select json_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); - json_extract_path_text ------------------------- - 1 -(1 row) - --- extract_path nulls -select json_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_false; - expect_false --------------- - f -(1 row) - -select json_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') is null as expect_true; - expect_true -------------- - t -(1 row) - -select json_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') is null as expect_false; - expect_false --------------- - f -(1 row) - -select json_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') is null as expect_true; - expect_true -------------- - t -(1 row) - --- extract_path operators -select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f4','f6']; - ?column? ------------ - "stringy" -(1 row) - -select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2']; - ?column? ----------- - {"f3":1} -(1 row) - -select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2','0']; - ?column? ----------- - "f3" -(1 row) - -select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>array['f2','1']; - ?column? ----------- - 1 -(1 row) - -select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f4','f6']; - ?column? ----------- - stringy -(1 row) - -select '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2']; - ?column? ----------- - {"f3":1} -(1 row) - -select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','0']; - ?column? ----------- - f3 -(1 row) - -select '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::json#>>array['f2','1']; - ?column? ----------- - 1 -(1 row) - --- corner cases for same -select '{"a": {"b":{"c": "foo"}}}'::json #> '{}'; - ?column? ---------------------------- - {"a": {"b":{"c": "foo"}}} -(1 row) - -select '[1,2,3]'::json #> '{}'; - ?column? ----------- - [1,2,3] -(1 row) - -select '"foo"'::json #> '{}'; - ?column? ----------- - "foo" -(1 row) - -select '42'::json #> '{}'; - ?column? ----------- - 42 -(1 row) - -select 'null'::json #> '{}'; - ?column? ----------- - null -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a']; - ?column? --------------------- - {"b":{"c": "foo"}} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', null]; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a', '']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b']; - ?column? --------------- - {"c": "foo"} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c']; - ?column? ----------- - "foo" -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','b','c','d']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #> array['a','z','c']; - ?column? ----------- - -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #> array['a','1','b']; - ?column? ----------- - "cc" -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #> array['a','z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::json #> array['1','b']; - ?column? ----------- - "cc" -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::json #> array['z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": null}]'::json #> array['1','b']; - ?column? ----------- - null -(1 row) - -select '"foo"'::json #> array['z']; - ?column? ----------- - -(1 row) - -select '42'::json #> array['f2']; - ?column? ----------- - -(1 row) - -select '42'::json #> array['0']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> '{}'; - ?column? ---------------------------- - {"a": {"b":{"c": "foo"}}} -(1 row) - -select '[1,2,3]'::json #>> '{}'; - ?column? ----------- - [1,2,3] -(1 row) - -select '"foo"'::json #>> '{}'; - ?column? ----------- - foo -(1 row) - -select '42'::json #>> '{}'; - ?column? ----------- - 42 -(1 row) - -select 'null'::json #>> '{}'; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a']; - ?column? --------------------- - {"b":{"c": "foo"}} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', null]; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a', '']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b']; - ?column? --------------- - {"c": "foo"} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c']; - ?column? ----------- - foo -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','b','c','d']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::json #>> array['a','z','c']; - ?column? ----------- - -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #>> array['a','1','b']; - ?column? ----------- - cc -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::json #>> array['a','z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::json #>> array['1','b']; - ?column? ----------- - cc -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::json #>> array['z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": null}]'::json #>> array['1','b']; - ?column? ----------- - -(1 row) - -select '"foo"'::json #>> array['z']; - ?column? ----------- - -(1 row) - -select '42'::json #>> array['f2']; - ?column? ----------- - -(1 row) - -select '42'::json #>> array['0']; - ?column? ----------- - -(1 row) - --- array_elements -select json_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]'); - json_array_elements ------------------------ - 1 - true - [1,[2,3]] - null - {"f1":1,"f2":[7,8,9]} - false - "stringy" -(7 rows) - -select * from json_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q; - value ------------------------ - 1 - true - [1,[2,3]] - null - {"f1":1,"f2":[7,8,9]} - false - "stringy" -(7 rows) - -select json_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]'); - json_array_elements_text --------------------------- - 1 - true - [1,[2,3]] - - {"f1":1,"f2":[7,8,9]} - false - stringy -(7 rows) - -select * from json_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q; - value ------------------------ - 1 - true - [1,[2,3]] - - {"f1":1,"f2":[7,8,9]} - false - stringy -(7 rows) - --- populate_record -create type jpop as (a text, b int, c timestamp); -CREATE DOMAIN js_int_not_null AS int NOT NULL; -CREATE DOMAIN js_int_array_1d AS int[] CHECK(array_length(VALUE, 1) = 3); -CREATE DOMAIN js_int_array_2d AS int[][] CHECK(array_length(VALUE, 2) = 3); -create type j_unordered_pair as (x int, y int); -create domain j_ordered_pair as j_unordered_pair check((value).x <= (value).y); -CREATE TYPE jsrec AS ( - i int, - ia _int4, - ia1 int[], - ia2 int[][], - ia3 int[][][], - ia1d js_int_array_1d, - ia2d js_int_array_2d, - t text, - ta text[], - c char(10), - ca char(10)[], - ts timestamp, - js json, - jsb jsonb, - jsa json[], - rec jpop, - reca jpop[] -); -CREATE TYPE jsrec_i_not_null AS ( - i js_int_not_null -); -select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+--- - blurfl | | -(1 row) - -select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+-------------------------- - blurfl | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -select * from json_populate_record(null::jpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+--- - blurfl | | -(1 row) - -select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+-------------------------- - blurfl | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -select * from json_populate_record(null::jpop,'{"a":[100,200,false],"x":43.2}') q; - a | b | c ------------------+---+--- - [100,200,false] | | -(1 row) - -select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"a":[100,200,false],"x":43.2}') q; - a | b | c ------------------+---+-------------------------- - [100,200,false] | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{"c":[100,200,false],"x":43.2}') q; -ERROR: invalid input syntax for type timestamp: "[100,200,false]" -select * from json_populate_record(row('x',3,'2012-12-31 15:30:56')::jpop,'{}') q; - a | b | c ----+---+-------------------------- - x | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"x": 43.2}') q; -ERROR: domain js_int_not_null does not allow null values -SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": null}') q; -ERROR: domain js_int_not_null does not allow null values -SELECT i FROM json_populate_record(NULL::jsrec_i_not_null, '{"i": 12345}') q; - i -------- - 12345 -(1 row) - -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": null}') q; - ia ----- - -(1 row) - -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia". -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [1, "2", null, 4]}') q; - ia --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1, 2], [3, 4]]}') q; - ia ---------------- - {{1,2},{3,4}} -(1 row) - -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], 2]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ia". -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": [[1], [2, 3]]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ia FROM json_populate_record(NULL::jsrec, '{"ia": "{1,2,3}"}') q; - ia ---------- - {1,2,3} -(1 row) - -SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": null}') q; - ia1 ------ - -(1 row) - -SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia1". -SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [1, "2", null, 4]}') q; - ia1 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia1 FROM json_populate_record(NULL::jsrec, '{"ia1": [[1, 2, 3]]}') q; - ia1 ------------ - {{1,2,3}} -(1 row) - -SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": null}') q; - ia1d ------- - -(1 row) - -SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia1d". -SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null, 4]}') q; -ERROR: value for domain js_int_array_1d violates check constraint "js_int_array_1d_check" -SELECT ia1d FROM json_populate_record(NULL::jsrec, '{"ia1d": [1, "2", null]}') q; - ia1d ------------- - {1,2,NULL} -(1 row) - -SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [1, "2", null, 4]}') q; - ia2 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [null, 4]]}') q; - ia2 ------------------- - {{1,2},{NULL,4}} -(1 row) - -SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[], []]}') q; - ia2 ------ - {} -(1 row) - -SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], [3]]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ia2 FROM json_populate_record(NULL::jsrec, '{"ia2": [[1, 2], 3, 4]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ia2". -SELECT ia2d FROM json_populate_record(NULL::jsrec, '{"ia2d": [[1, "2"], [null, 4]]}') q; -ERROR: value for domain js_int_array_2d violates check constraint "js_int_array_2d_check" -SELECT ia2d FROM json_populate_record(NULL::jsrec, '{"ia2d": [[1, "2", 3], [null, 5, 6]]}') q; - ia2d ----------------------- - {{1,2,3},{NULL,5,6}} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [1, "2", null, 4]}') q; - ia3 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [[1, 2], [null, 4]]}') q; - ia3 ------------------- - {{1,2},{NULL,4}} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[], []], [[], []], [[], []] ]}') q; - ia3 ------ - {} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2]], [[3, 4]] ]}') q; - ia3 -------------------- - {{{1,2}},{{3,4}}} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8]] ]}') q; - ia3 -------------------------------- - {{{1,2},{3,4}},{{5,6},{7,8}}} -(1 row) - -SELECT ia3 FROM json_populate_record(NULL::jsrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8], [9, 10]] ]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": null}') q; - ta ----- - -(1 row) - -SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ta". -SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [1, "2", null, 4]}') q; - ta --------------- - {1,2,NULL,4} -(1 row) - -SELECT ta FROM json_populate_record(NULL::jsrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ta". -SELECT c FROM json_populate_record(NULL::jsrec, '{"c": null}') q; - c ---- - -(1 row) - -SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaa"}') q; - c ------------- - aaa -(1 row) - -SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaa"}') q; - c ------------- - aaaaaaaaaa -(1 row) - -SELECT c FROM json_populate_record(NULL::jsrec, '{"c": "aaaaaaaaaaaaa"}') q; -ERROR: value too long for type character(10) -SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": null}') q; - ca ----- - -(1 row) - -SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ca". -SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [1, "2", null, 4]}') q; - ca ------------------------------------------------ - {"1 ","2 ",NULL,"4 "} -(1 row) - -SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q; -ERROR: value too long for type character(10) -SELECT ca FROM json_populate_record(NULL::jsrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ca". -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": null}') q; - js ----- - -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": true}') q; - js ------- - true -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": 123.45}') q; - js --------- - 123.45 -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "123.45"}') q; - js ----------- - "123.45" -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": "abc"}') q; - js -------- - "abc" -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": [123, "123", null, {"key": "value"}]}') q; - js --------------------------------------- - [123, "123", null, {"key": "value"}] -(1 row) - -SELECT js FROM json_populate_record(NULL::jsrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q; - js --------------------------------------- - {"a": "bbb", "b": null, "c": 123.45} -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": null}') q; - jsb ------ - -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": true}') q; - jsb ------- - true -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": 123.45}') q; - jsb --------- - 123.45 -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "123.45"}') q; - jsb ----------- - "123.45" -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": "abc"}') q; - jsb -------- - "abc" -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q; - jsb --------------------------------------- - [123, "123", null, {"key": "value"}] -(1 row) - -SELECT jsb FROM json_populate_record(NULL::jsrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q; - jsb --------------------------------------- - {"a": "bbb", "b": null, "c": 123.45} -(1 row) - -SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": null}') q; - jsa ------ - -(1 row) - -SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "jsa". -SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": [1, "2", null, 4]}') q; - jsa --------------------- - {1,"\"2\"",NULL,4} -(1 row) - -SELECT jsa FROM json_populate_record(NULL::jsrec, '{"jsa": ["aaa", null, [1, 2, "3", {}], { "k" : "v" }]}') q; - jsa ----------------------------------------------------------- - {"\"aaa\"",NULL,"[1, 2, \"3\", {}]","{ \"k\" : \"v\" }"} -(1 row) - -SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": 123}') q; -ERROR: cannot call populate_composite on a scalar -SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": [1, 2]}') q; -ERROR: cannot call populate_composite on an array -SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}') q; - rec ------------------------------------ - (abc,,"Thu Jan 02 00:00:00 2003") -(1 row) - -SELECT rec FROM json_populate_record(NULL::jsrec, '{"rec": "(abc,42,01.02.2003)"}') q; - rec -------------------------------------- - (abc,42,"Thu Jan 02 00:00:00 2003") -(1 row) - -SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "reca". -SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": [1, 2]}') q; -ERROR: cannot call populate_composite on a scalar -SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]}') q; - reca --------------------------------------------------------- - {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": ["(abc,42,01.02.2003)"]}') q; - reca -------------------------------------------- - {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT reca FROM json_populate_record(NULL::jsrec, '{"reca": "{\"(abc,42,01.02.2003)\"}"}') q; - reca -------------------------------------------- - {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT rec FROM json_populate_record( - row(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, - row('x',3,'2012-12-31 15:30:56')::jpop,NULL)::jsrec, - '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}' -) q; - rec ------------------------------------- - (abc,3,"Thu Jan 02 00:00:00 2003") -(1 row) - --- anonymous record type -SELECT json_populate_record(null::record, '{"x": 0, "y": 1}'); -ERROR: could not determine row type for result of json_populate_record -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT json_populate_record(row(1,2), '{"f1": 0, "f2": 1}'); - json_populate_record ----------------------- - (0,1) -(1 row) - -SELECT * FROM - json_populate_record(null::record, '{"x": 776}') AS (x int, y int); - x | y ------+--- - 776 | -(1 row) - --- composite domain -SELECT json_populate_record(null::j_ordered_pair, '{"x": 0, "y": 1}'); - json_populate_record ----------------------- - (0,1) -(1 row) - -SELECT json_populate_record(row(1,2)::j_ordered_pair, '{"x": 0}'); - json_populate_record ----------------------- - (0,2) -(1 row) - -SELECT json_populate_record(row(1,2)::j_ordered_pair, '{"x": 1, "y": 0}'); -ERROR: value for domain j_ordered_pair violates check constraint "j_ordered_pair_check" --- populate_recordset -select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ----------------+----+-------------------------- - [100,200,300] | 99 | - {"z":true} | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; -ERROR: invalid input syntax for type timestamp: "[100,200,300]" -create type jpop2 as (a int, b json, c int, d int); -select * from json_populate_recordset(null::jpop2, '[{"a":2,"c":3,"b":{"z":4},"d":6}]') q; - a | b | c | d ----+---------+---+--- - 2 | {"z":4} | 3 | 6 -(1 row) - -select * from json_populate_recordset(null::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -select * from json_populate_recordset(row('def',99,null)::jpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ----------------+----+-------------------------- - [100,200,300] | 99 | - {"z":true} | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - --- anonymous record type -SELECT json_populate_recordset(null::record, '[{"x": 0, "y": 1}]'); -ERROR: could not determine row type for result of json_populate_recordset -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT json_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]'); - json_populate_recordset -------------------------- - (0,1) -(1 row) - -SELECT i, json_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]') -FROM (VALUES (1),(2)) v(i); - i | json_populate_recordset ----+------------------------- - 1 | (42,50) - 1 | (1,43) - 2 | (42,50) - 2 | (2,43) -(4 rows) - -SELECT * FROM - json_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int); - x | y ------+--- - 776 | -(1 row) - --- empty array is a corner case -SELECT json_populate_recordset(null::record, '[]'); -ERROR: could not determine row type for result of json_populate_recordset -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT json_populate_recordset(row(1,2), '[]'); - json_populate_recordset -------------------------- -(0 rows) - -SELECT * FROM json_populate_recordset(NULL::jpop,'[]') q; - a | b | c ----+---+--- -(0 rows) - -SELECT * FROM - json_populate_recordset(null::record, '[]') AS (x int, y int); - x | y ----+--- -(0 rows) - --- composite domain -SELECT json_populate_recordset(null::j_ordered_pair, '[{"x": 0, "y": 1}]'); - json_populate_recordset -------------------------- - (0,1) -(1 row) - -SELECT json_populate_recordset(row(1,2)::j_ordered_pair, '[{"x": 0}, {"y": 3}]'); - json_populate_recordset -------------------------- - (0,2) - (1,3) -(2 rows) - -SELECT json_populate_recordset(row(1,2)::j_ordered_pair, '[{"x": 1, "y": 0}]'); -ERROR: value for domain j_ordered_pair violates check constraint "j_ordered_pair_check" --- negative cases where the wrong record type is supplied -select * from json_populate_recordset(row(0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 1 attribute, but query expects 2. -select * from json_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 1, but query expects text. -select * from json_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 3 attributes, but query expects 2. -select * from json_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 1, but query expects text. --- test type info caching in json_populate_record() -CREATE TEMP TABLE jspoptest (js json); -INSERT INTO jspoptest -SELECT '{ - "jsa": [1, "2", null, 4], - "rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}, - "reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}] -}'::json -FROM generate_series(1, 3); -SELECT (json_populate_record(NULL::jsrec, js)).* FROM jspoptest; - i | ia | ia1 | ia2 | ia3 | ia1d | ia2d | t | ta | c | ca | ts | js | jsb | jsa | rec | reca ----+----+-----+-----+-----+------+------+---+----+---+----+----+----+-----+--------------------+-----------------------------------+-------------------------------------------------------- - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} -(3 rows) - -DROP TYPE jsrec; -DROP TYPE jsrec_i_not_null; -DROP DOMAIN js_int_not_null; -DROP DOMAIN js_int_array_1d; -DROP DOMAIN js_int_array_2d; -DROP DOMAIN j_ordered_pair; -DROP TYPE j_unordered_pair; ---json_typeof() function -select value, json_typeof(value) - from (values (json '123.4'), - (json '-1'), - (json '"foo"'), - (json 'true'), - (json 'false'), - (json 'null'), - (json '[1, 2, 3]'), - (json '[]'), - (json '{"x":"foo", "y":123}'), - (json '{}'), - (NULL::json)) - as data(value); - value | json_typeof -----------------------+------------- - 123.4 | number - -1 | number - "foo" | string - true | boolean - false | boolean - null | null - [1, 2, 3] | array - [] | array - {"x":"foo", "y":123} | object - {} | object - | -(11 rows) - --- json_build_array, json_build_object, json_object_agg -SELECT json_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); - json_build_array ------------------------------------------------------------------------ - ["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1,2,3]}] -(1 row) - -SELECT json_build_array('a', NULL); -- ok - json_build_array ------------------- - ["a", null] -(1 row) - -SELECT json_build_array(VARIADIC NULL::text[]); -- ok - json_build_array ------------------- - -(1 row) - -SELECT json_build_array(VARIADIC '{}'::text[]); -- ok - json_build_array ------------------- - [] -(1 row) - -SELECT json_build_array(VARIADIC '{a,b,c}'::text[]); -- ok - json_build_array ------------------- - ["a", "b", "c"] -(1 row) - -SELECT json_build_array(VARIADIC ARRAY['a', NULL]::text[]); -- ok - json_build_array ------------------- - ["a", null] -(1 row) - -SELECT json_build_array(VARIADIC '{1,2,3,4}'::text[]); -- ok - json_build_array ----------------------- - ["1", "2", "3", "4"] -(1 row) - -SELECT json_build_array(VARIADIC '{1,2,3,4}'::int[]); -- ok - json_build_array ------------------- - [1, 2, 3, 4] -(1 row) - -SELECT json_build_array(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok - json_build_array --------------------- - [1, 4, 2, 5, 3, 6] -(1 row) - -SELECT json_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); - json_build_object ----------------------------------------------------------------------------- - {"a" : 1, "b" : 1.2, "c" : true, "d" : null, "e" : {"x": 3, "y": [1,2,3]}} -(1 row) - -SELECT json_build_object( - 'a', json_build_object('b',false,'c',99), - 'd', json_build_object('e',array[9,8,7]::int[], - 'f', (select row_to_json(r) from ( select relkind, oid::regclass as name from pg_class where relname = 'pg_class') r))); - json_build_object -------------------------------------------------------------------------------------------------- - {"a" : {"b" : false, "c" : 99}, "d" : {"e" : [9,8,7], "f" : {"relkind":"r","name":"pg_class"}}} -(1 row) - -SELECT json_build_object('{a,b,c}'::text[]); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of json_build_object() must consist of alternating keys and values. -SELECT json_build_object('{a,b,c}'::text[], '{d,e,f}'::text[]); -- error, key cannot be array -ERROR: key value must be scalar, not array, composite, or json -SELECT json_build_object('a', 'b', 'c'); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of json_build_object() must consist of alternating keys and values. -SELECT json_build_object(NULL, 'a'); -- error, key cannot be NULL -ERROR: null value not allowed for object key -SELECT json_build_object('a', NULL); -- ok - json_build_object -------------------- - {"a" : null} -(1 row) - -SELECT json_build_object(VARIADIC NULL::text[]); -- ok - json_build_object -------------------- - -(1 row) - -SELECT json_build_object(VARIADIC '{}'::text[]); -- ok - json_build_object -------------------- - {} -(1 row) - -SELECT json_build_object(VARIADIC '{a,b,c}'::text[]); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of json_build_object() must consist of alternating keys and values. -SELECT json_build_object(VARIADIC ARRAY['a', NULL]::text[]); -- ok - json_build_object -------------------- - {"a" : null} -(1 row) - -SELECT json_build_object(VARIADIC ARRAY[NULL, 'a']::text[]); -- error, key cannot be NULL -ERROR: null value not allowed for object key -SELECT json_build_object(VARIADIC '{1,2,3,4}'::text[]); -- ok - json_build_object ------------------------- - {"1" : "2", "3" : "4"} -(1 row) - -SELECT json_build_object(VARIADIC '{1,2,3,4}'::int[]); -- ok - json_build_object --------------------- - {"1" : 2, "3" : 4} -(1 row) - -SELECT json_build_object(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok - json_build_object ------------------------------ - {"1" : 4, "2" : 5, "3" : 6} -(1 row) - --- empty objects/arrays -SELECT json_build_array(); - json_build_array ------------------- - [] -(1 row) - -SELECT json_build_object(); - json_build_object -------------------- - {} -(1 row) - --- make sure keys are quoted -SELECT json_build_object(1,2); - json_build_object -------------------- - {"1" : 2} -(1 row) - --- keys must be scalar and not null -SELECT json_build_object(null,2); -ERROR: null value not allowed for object key -SELECT json_build_object(r,2) FROM (SELECT 1 AS a, 2 AS b) r; -ERROR: key value must be scalar, not array, composite, or json -SELECT json_build_object(json '{"a":1,"b":2}', 3); -ERROR: key value must be scalar, not array, composite, or json -SELECT json_build_object('{1,2,3}'::int[], 3); -ERROR: key value must be scalar, not array, composite, or json -CREATE TEMP TABLE foo (serial_num int, name text, type text); -INSERT INTO foo VALUES (847001,'t15','GE1043'); -INSERT INTO foo VALUES (847002,'t16','GE1043'); -INSERT INTO foo VALUES (847003,'sub-alpha','GESS90'); -SELECT json_build_object('turbines',json_object_agg(serial_num,json_build_object('name',name,'type',type))) -FROM foo; - json_build_object -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - {"turbines" : { "847001" : {"name" : "t15", "type" : "GE1043"}, "847002" : {"name" : "t16", "type" : "GE1043"}, "847003" : {"name" : "sub-alpha", "type" : "GESS90"} }} -(1 row) - -SELECT json_object_agg(name, type) FROM foo; - json_object_agg ----------------------------------------------------------------- - { "t15" : "GE1043", "t16" : "GE1043", "sub-alpha" : "GESS90" } -(1 row) - -INSERT INTO foo VALUES (999999, NULL, 'bar'); -SELECT json_object_agg(name, type) FROM foo; -ERROR: null value not allowed for object key --- json_object --- empty object, one dimension -SELECT json_object('{}'); - json_object -------------- - {} -(1 row) - --- empty object, two dimensions -SELECT json_object('{}', '{}'); - json_object -------------- - {} -(1 row) - --- one dimension -SELECT json_object('{a,1,b,2,3,NULL,"d e f","a b c"}'); - json_object -------------------------------------------------------- - {"a" : "1", "b" : "2", "3" : null, "d e f" : "a b c"} -(1 row) - --- same but with two dimensions -SELECT json_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); - json_object -------------------------------------------------------- - {"a" : "1", "b" : "2", "3" : null, "d e f" : "a b c"} -(1 row) - --- odd number error -SELECT json_object('{a,b,c}'); -ERROR: array must have even number of elements --- one column error -SELECT json_object('{{a},{b}}'); -ERROR: array must have two columns --- too many columns error -SELECT json_object('{{a,b,c},{b,c,d}}'); -ERROR: array must have two columns --- too many dimensions error -SELECT json_object('{{{a,b},{c,d}},{{b,c},{d,e}}}'); -ERROR: wrong number of array subscripts ---two argument form of json_object -select json_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}'); - json_object ------------------------------------------------------- - {"a" : "1", "b" : "2", "c" : "3", "d e f" : "a b c"} -(1 row) - --- too many dimensions -SELECT json_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}', '{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); -ERROR: wrong number of array subscripts --- mismatched dimensions -select json_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}'); -ERROR: mismatched array dimensions -select json_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}'); -ERROR: mismatched array dimensions --- null key error -select json_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}'); -ERROR: null value not allowed for object key --- empty key is allowed -select json_object('{a,b,"","d e f"}','{1,2,3,"a b c"}'); - json_object ------------------------------------------------------ - {"a" : "1", "b" : "2", "" : "3", "d e f" : "a b c"} -(1 row) - --- json_object_agg_unique requires unique keys -select json_object_agg_unique(mod(i,100), i) from generate_series(0, 199) i; -ERROR: duplicate JSON object key value: "0" --- json_to_record and json_to_recordset -select * from json_to_record('{"a":1,"b":"foo","c":"bar"}') - as x(a int, b text, d text); - a | b | d ----+-----+--- - 1 | foo | -(1 row) - -select * from json_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]') - as x(a int, b text, c boolean); - a | b | c ----+-----+--- - 1 | foo | - 2 | bar | t -(2 rows) - -select * from json_to_recordset('[{"a":1,"b":{"d":"foo"},"c":true},{"a":2,"c":false,"b":{"d":"bar"}}]') - as x(a int, b json, c boolean); - a | b | c ----+-------------+--- - 1 | {"d":"foo"} | t - 2 | {"d":"bar"} | f -(2 rows) - -select *, c is null as c_is_null -from json_to_record('{"a":1, "b":{"c":16, "d":2}, "x":8, "ca": ["1 2", 3], "ia": [[1,2],[3,4]], "r": {"a": "aaa", "b": 123}}'::json) - as t(a int, b json, c text, x int, ca char(5)[], ia int[][], r jpop); - a | b | c | x | ca | ia | r | c_is_null ----+-----------------+---+---+-------------------+---------------+------------+----------- - 1 | {"c":16, "d":2} | | 8 | {"1 2 ","3 "} | {{1,2},{3,4}} | (aaa,123,) | t -(1 row) - -select *, c is null as c_is_null -from json_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::json) - as t(a int, b json, c text, x int); - a | b | c | x | c_is_null ----+-----------------+---+---+----------- - 1 | {"c":16, "d":2} | | 8 | t -(1 row) - -select * from json_to_record('{"ia": null}') as x(ia _int4); - ia ----- - -(1 row) - -select * from json_to_record('{"ia": 123}') as x(ia _int4); -ERROR: expected JSON array -HINT: See the value of key "ia". -select * from json_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4); - ia --------------- - {1,2,NULL,4} -(1 row) - -select * from json_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4); - ia ---------------- - {{1,2},{3,4}} -(1 row) - -select * from json_to_record('{"ia": [[1], 2]}') as x(ia _int4); -ERROR: expected JSON array -HINT: See the array element [1] of key "ia". -select * from json_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4); -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -select * from json_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]); - ia2 ---------- - {1,2,3} -(1 row) - -select * from json_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]); - ia2 ---------------- - {{1,2},{3,4}} -(1 row) - -select * from json_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]); - ia2 ------------------ - {{{1},{2},{3}}} -(1 row) - -select * from json_to_record('{"out": {"key": 1}}') as x(out json); - out ------------- - {"key": 1} -(1 row) - -select * from json_to_record('{"out": [{"key": 1}]}') as x(out json); - out --------------- - [{"key": 1}] -(1 row) - -select * from json_to_record('{"out": "{\"key\": 1}"}') as x(out json); - out ----------------- - "{\"key\": 1}" -(1 row) - -select * from json_to_record('{"out": {"key": 1}}') as x(out jsonb); - out ------------- - {"key": 1} -(1 row) - -select * from json_to_record('{"out": [{"key": 1}]}') as x(out jsonb); - out --------------- - [{"key": 1}] -(1 row) - -select * from json_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb); - out ----------------- - "{\"key\": 1}" -(1 row) - --- json_strip_nulls -select json_strip_nulls(null); - json_strip_nulls ------------------- - -(1 row) - -select json_strip_nulls('1'); - json_strip_nulls ------------------- - 1 -(1 row) - -select json_strip_nulls('"a string"'); - json_strip_nulls ------------------- - "a string" -(1 row) - -select json_strip_nulls('null'); - json_strip_nulls ------------------- - null -(1 row) - -select json_strip_nulls('[1,2,null,3,4]'); - json_strip_nulls ------------------- - [1,2,null,3,4] -(1 row) - -select json_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}'); - json_strip_nulls ------------------------------------- - {"a":1,"c":[2,null,3],"d":{"e":4}} -(1 row) - -select json_strip_nulls('[1,{"a":1,"b":null,"c":2},3]'); - json_strip_nulls ---------------------- - [1,{"a":1,"c":2},3] -(1 row) - --- an empty object is not null and should not be stripped -select json_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }'); - json_strip_nulls ------------------- - {"a":{},"d":{}} -(1 row) - --- json_strip_nulls (strip_in_arrays=true) -select json_strip_nulls(null, true); - json_strip_nulls ------------------- - -(1 row) - -select json_strip_nulls('1', true); - json_strip_nulls ------------------- - 1 -(1 row) - -select json_strip_nulls('"a string"', true); - json_strip_nulls ------------------- - "a string" -(1 row) - -select json_strip_nulls('null', true); - json_strip_nulls ------------------- - null -(1 row) - -select json_strip_nulls('[1,2,null,3,4]', true); - json_strip_nulls ------------------- - [1,2,3,4] -(1 row) - -select json_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}', true); - json_strip_nulls -------------------------------- - {"a":1,"c":[2,3],"d":{"e":4}} -(1 row) - -select json_strip_nulls('[1,{"a":1,"b":null,"c":2},3]', true); - json_strip_nulls ---------------------- - [1,{"a":1,"c":2},3] -(1 row) - --- an empty object is not null and should not be stripped -select json_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }', true); - json_strip_nulls ------------------- - {"a":{},"d":{}} -(1 row) - --- json to tsvector -select to_tsvector('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::json); - to_tsvector ---------------------------------------------------------------------------- - 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 -(1 row) - --- json to tsvector with config -select to_tsvector('simple', '{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::json); - to_tsvector ---------------------------------------------------------------------------- - 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 -(1 row) - --- json to tsvector with stop words -select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": ["the eee fff ggg"], "c": {"d": "hhh. iii"}}'::json); - to_tsvector ----------------------------------------------------------------------------- - 'aaa':1 'bbb':3 'ccc':5 'ddd':4 'eee':8 'fff':9 'ggg':10 'hhh':12 'iii':13 -(1 row) - --- json to tsvector with numeric values -select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": 123, "c": 456}'::json); - to_tsvector ---------------------------------- - 'aaa':1 'bbb':3 'ccc':5 'ddd':4 -(1 row) - --- json_to_tsvector -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"all"'); - json_to_tsvector ----------------------------------------------------------------------------------------- - '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"key"'); - json_to_tsvector --------------------------------- - 'b':2 'c':4 'd':6 'f':8 'g':10 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"string"'); - json_to_tsvector ------------------- - 'aaa':1 'bbb':3 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"numeric"'); - json_to_tsvector ------------------- - '123':1 '456':3 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"boolean"'); - json_to_tsvector -------------------- - 'fals':3 'true':1 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '["string", "numeric"]'); - json_to_tsvector ---------------------------------- - '123':5 '456':7 'aaa':1 'bbb':3 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"all"'); - json_to_tsvector ----------------------------------------------------------------------------------------- - '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"key"'); - json_to_tsvector --------------------------------- - 'b':2 'c':4 'd':6 'f':8 'g':10 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"string"'); - json_to_tsvector ------------------- - 'aaa':1 'bbb':3 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"numeric"'); - json_to_tsvector ------------------- - '123':1 '456':3 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '"boolean"'); - json_to_tsvector -------------------- - 'fals':3 'true':1 -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '["string", "numeric"]'); - json_to_tsvector ---------------------------------- - '123':5 '456':7 'aaa':1 'bbb':3 -(1 row) - --- to_tsvector corner cases -select to_tsvector('""'::json); - to_tsvector -------------- - -(1 row) - -select to_tsvector('{}'::json); - to_tsvector -------------- - -(1 row) - -select to_tsvector('[]'::json); - to_tsvector -------------- - -(1 row) - -select to_tsvector('null'::json); - to_tsvector -------------- - -(1 row) - --- json_to_tsvector corner cases -select json_to_tsvector('""'::json, '"all"'); - json_to_tsvector ------------------- - -(1 row) - -select json_to_tsvector('{}'::json, '"all"'); - json_to_tsvector ------------------- - -(1 row) - -select json_to_tsvector('[]'::json, '"all"'); - json_to_tsvector ------------------- - -(1 row) - -select json_to_tsvector('null'::json, '"all"'); - json_to_tsvector ------------------- - -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '""'); -ERROR: wrong flag in flag array: "" -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '{}'); -ERROR: wrong flag type, only arrays and scalars are allowed -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '[]'); - json_to_tsvector ------------------- - -(1 row) - -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, 'null'); -ERROR: flag array element is not a string -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". -select json_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::json, '["all", null]'); -ERROR: flag array element is not a string -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". --- ts_headline for json -select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh')); - ts_headline ---------------------------------------------------------------------------------------------------------- - {"a":"aaa bbb","b":{"c":"ccc ddd fff","c1":"ccc1 ddd1"},"d":["ggg hhh","iii jjj"]} -(1 row) - -select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh')); - ts_headline ----------------------------------------------------------------------------------------- - {"a":"aaa bbb","b":{"c":"ccc ddd fff"},"d":["ggg hhh","iii jjj"]} -(1 row) - -select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >'); - ts_headline ------------------------------------------------------------------------------------------- - {"a":"aaa ","b":{"c":"ccc fff","c1":"ccc1 ddd1"},"d":["ggg ","iii jjj"]} -(1 row) - -select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::json, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >'); - ts_headline ------------------------------------------------------------------------------------------- - {"a":"aaa ","b":{"c":"ccc fff","c1":"ccc1 ddd1"},"d":["ggg ","iii jjj"]} -(1 row) - --- corner cases for ts_headline with json -select ts_headline('null'::json, tsquery('aaa & bbb')); - ts_headline -------------- - null -(1 row) - -select ts_headline('{}'::json, tsquery('aaa & bbb')); - ts_headline -------------- - {} -(1 row) - -select ts_headline('[]'::json, tsquery('aaa & bbb')); - ts_headline -------------- - [] -(1 row) - +WARNING: terminating connection because of crash of another server process +DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. +HINT: In a moment you should be able to reconnect to the database and repeat your command. +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/jsonb.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonb.out --- /tmp/cirrus-ci-build/src/test/regress/expected/jsonb.out 2025-06-04 16:00:28.755932000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonb.out 2025-06-04 16:05:10.738499000 +0000 @@ -990,4844 +990,10 @@ -- Raw scalar may contain another raw scalar, array may contain a raw scalar SELECT '[5]'::jsonb @> '[5]'; - ?column? ----------- - t -(1 row) - -SELECT '5'::jsonb @> '5'; - ?column? ----------- - t -(1 row) - -SELECT '[5]'::jsonb @> '5'; - ?column? ----------- - t -(1 row) - --- But a raw scalar cannot contain an array -SELECT '5'::jsonb @> '[5]'; - ?column? ----------- - f -(1 row) - --- In general, one thing should always contain itself. Test array containment: -SELECT '["9", ["7", "3"], 1]'::jsonb @> '["9", ["7", "3"], 1]'::jsonb; - ?column? ----------- - t -(1 row) - -SELECT '["9", ["7", "3"], ["1"]]'::jsonb @> '["9", ["7", "3"], ["1"]]'::jsonb; - ?column? ----------- - t -(1 row) - --- array containment string matching confusion bug -SELECT '{ "name": "Bob", "tags": [ "enim", "qui"]}'::jsonb @> '{"tags":["qu"]}'; - ?column? ----------- - f -(1 row) - --- array length -SELECT jsonb_array_length('[1,2,3,{"f1":1,"f2":[5,6]},4]'); - jsonb_array_length --------------------- - 5 -(1 row) - -SELECT jsonb_array_length('[]'); - jsonb_array_length --------------------- - 0 -(1 row) - -SELECT jsonb_array_length('{"f1":1,"f2":[5,6]}'); -ERROR: cannot get array length of a non-array -SELECT jsonb_array_length('4'); -ERROR: cannot get array length of a scalar --- each -SELECT jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null}'); - jsonb_each --------------------- - (f1,"[1, 2, 3]") - (f2,"{""f3"": 1}") - (f4,null) -(3 rows) - -SELECT jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; - q ------------------------------------------------------- - (1,"""first""") - (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}") - (b,"[1, 2]") - (c,"""cc""") - (n,null) -(5 rows) - -SELECT * FROM jsonb_each('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q; - key | value ------+----------- - f1 | [1, 2, 3] - f2 | {"f3": 1} - f4 | null - f5 | 99 - f6 | "stringy" -(5 rows) - -SELECT * FROM jsonb_each('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; - key | value ------+------------------------------------ - 1 | "first" - a | {"1": "first", "b": "c", "c": "b"} - b | [1, 2] - c | "cc" - n | null -(5 rows) - -SELECT jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":"null"}'); - jsonb_each_text --------------------- - (f1,"[1, 2, 3]") - (f2,"{""f3"": 1}") - (f4,) - (f5,null) -(4 rows) - -SELECT jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; - q ------------------------------------------------------- - (1,first) - (a,"{""1"": ""first"", ""b"": ""c"", ""c"": ""b""}") - (b,"[1, 2]") - (c,cc) - (n,) -(5 rows) - -SELECT * FROM jsonb_each_text('{"f1":[1,2,3],"f2":{"f3":1},"f4":null,"f5":99,"f6":"stringy"}') q; - key | value ------+----------- - f1 | [1, 2, 3] - f2 | {"f3": 1} - f4 | - f5 | 99 - f6 | stringy -(5 rows) - -SELECT * FROM jsonb_each_text('{"a":{"b":"c","c":"b","1":"first"},"b":[1,2],"c":"cc","1":"first","n":null}'::jsonb) AS q; - key | value ------+------------------------------------ - 1 | first - a | {"1": "first", "b": "c", "c": "b"} - b | [1, 2] - c | cc - n | -(5 rows) - --- exists -SELECT jsonb_exists('{"a":null, "b":"qq"}', 'a'); - jsonb_exists --------------- - t -(1 row) - -SELECT jsonb_exists('{"a":null, "b":"qq"}', 'b'); - jsonb_exists --------------- - t -(1 row) - -SELECT jsonb_exists('{"a":null, "b":"qq"}', 'c'); - jsonb_exists --------------- - f -(1 row) - -SELECT jsonb_exists('{"a":"null", "b":"qq"}', 'a'); - jsonb_exists --------------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ? 'a'; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ? 'b'; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ? 'c'; - ?column? ----------- - f -(1 row) - -SELECT jsonb '{"a":"null", "b":"qq"}' ? 'a'; - ?column? ----------- - t -(1 row) - --- array exists - array elements should behave as keys -SELECT count(*) from testjsonb WHERE j->'array' ? 'bar'; - count -------- - 3 -(1 row) - --- type sensitive array exists - should return no rows (since "exists" only --- matches strings that are either object keys or array elements) -SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text; - count -------- - 0 -(1 row) - --- However, a raw scalar is *contained* within the array -SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb; - count -------- - 1 -(1 row) - -SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['a','b']); - jsonb_exists_any ------------------- - t -(1 row) - -SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['b','a']); - jsonb_exists_any ------------------- - t -(1 row) - -SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','a']); - jsonb_exists_any ------------------- - t -(1 row) - -SELECT jsonb_exists_any('{"a":null, "b":"qq"}', ARRAY['c','d']); - jsonb_exists_any ------------------- - f -(1 row) - -SELECT jsonb_exists_any('{"a":null, "b":"qq"}', '{}'::text[]); - jsonb_exists_any ------------------- - f -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['a','b']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['b','a']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','a']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?| ARRAY['c','d']; - ?column? ----------- - f -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?| '{}'::text[]; - ?column? ----------- - f -(1 row) - -SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['a','b']); - jsonb_exists_all ------------------- - t -(1 row) - -SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['b','a']); - jsonb_exists_all ------------------- - t -(1 row) - -SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','a']); - jsonb_exists_all ------------------- - f -(1 row) - -SELECT jsonb_exists_all('{"a":null, "b":"qq"}', ARRAY['c','d']); - jsonb_exists_all ------------------- - f -(1 row) - -SELECT jsonb_exists_all('{"a":null, "b":"qq"}', '{}'::text[]); - jsonb_exists_all ------------------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','b']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['b','a']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','a']; - ?column? ----------- - f -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['c','d']; - ?column? ----------- - f -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& ARRAY['a','a', 'b', 'b', 'b']; - ?column? ----------- - t -(1 row) - -SELECT jsonb '{"a":null, "b":"qq"}' ?& '{}'::text[]; - ?column? ----------- - t -(1 row) - --- typeof -SELECT jsonb_typeof('{}') AS object; - object --------- - object -(1 row) - -SELECT jsonb_typeof('{"c":3,"p":"o"}') AS object; - object --------- - object -(1 row) - -SELECT jsonb_typeof('[]') AS array; - array -------- - array -(1 row) - -SELECT jsonb_typeof('["a", 1]') AS array; - array -------- - array -(1 row) - -SELECT jsonb_typeof('null') AS "null"; - null ------- - null -(1 row) - -SELECT jsonb_typeof('1') AS number; - number --------- - number -(1 row) - -SELECT jsonb_typeof('-1') AS number; - number --------- - number -(1 row) - -SELECT jsonb_typeof('1.0') AS number; - number --------- - number -(1 row) - -SELECT jsonb_typeof('1e2') AS number; - number --------- - number -(1 row) - -SELECT jsonb_typeof('-1.0') AS number; - number --------- - number -(1 row) - -SELECT jsonb_typeof('true') AS boolean; - boolean ---------- - boolean -(1 row) - -SELECT jsonb_typeof('false') AS boolean; - boolean ---------- - boolean -(1 row) - -SELECT jsonb_typeof('"hello"') AS string; - string --------- - string -(1 row) - -SELECT jsonb_typeof('"true"') AS string; - string --------- - string -(1 row) - -SELECT jsonb_typeof('"1.0"') AS string; - string --------- - string -(1 row) - --- jsonb_build_array, jsonb_build_object, jsonb_object_agg -SELECT jsonb_build_array('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); - jsonb_build_array -------------------------------------------------------------------------- - ["a", 1, "b", 1.2, "c", true, "d", null, "e", {"x": 3, "y": [1, 2, 3]}] -(1 row) - -SELECT jsonb_build_array('a', NULL); -- ok - jsonb_build_array -------------------- - ["a", null] -(1 row) - -SELECT jsonb_build_array(VARIADIC NULL::text[]); -- ok - jsonb_build_array -------------------- - -(1 row) - -SELECT jsonb_build_array(VARIADIC '{}'::text[]); -- ok - jsonb_build_array -------------------- - [] -(1 row) - -SELECT jsonb_build_array(VARIADIC '{a,b,c}'::text[]); -- ok - jsonb_build_array -------------------- - ["a", "b", "c"] -(1 row) - -SELECT jsonb_build_array(VARIADIC ARRAY['a', NULL]::text[]); -- ok - jsonb_build_array -------------------- - ["a", null] -(1 row) - -SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::text[]); -- ok - jsonb_build_array ----------------------- - ["1", "2", "3", "4"] -(1 row) - -SELECT jsonb_build_array(VARIADIC '{1,2,3,4}'::int[]); -- ok - jsonb_build_array -------------------- - [1, 2, 3, 4] -(1 row) - -SELECT jsonb_build_array(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok - jsonb_build_array --------------------- - [1, 4, 2, 5, 3, 6] -(1 row) - -SELECT jsonb_build_object('a',1,'b',1.2,'c',true,'d',null,'e',json '{"x": 3, "y": [1,2,3]}'); - jsonb_build_object -------------------------------------------------------------------------- - {"a": 1, "b": 1.2, "c": true, "d": null, "e": {"x": 3, "y": [1, 2, 3]}} -(1 row) - -SELECT jsonb_build_object( - 'a', jsonb_build_object('b',false,'c',99), - 'd', jsonb_build_object('e',array[9,8,7]::int[], - 'f', (select row_to_json(r) from ( select relkind, oid::regclass as name from pg_class where relname = 'pg_class') r))); - jsonb_build_object ------------------------------------------------------------------------------------------------- - {"a": {"b": false, "c": 99}, "d": {"e": [9, 8, 7], "f": {"name": "pg_class", "relkind": "r"}}} -(1 row) - -SELECT jsonb_build_object('{a,b,c}'::text[]); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. -SELECT jsonb_build_object('{a,b,c}'::text[], '{d,e,f}'::text[]); -- error, key cannot be array -ERROR: key value must be scalar, not array, composite, or json -SELECT jsonb_build_object('a', 'b', 'c'); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. -SELECT jsonb_build_object(NULL, 'a'); -- error, key cannot be NULL -ERROR: argument 1: key must not be null -SELECT jsonb_build_object('a', NULL); -- ok - jsonb_build_object --------------------- - {"a": null} -(1 row) - -SELECT jsonb_build_object(VARIADIC NULL::text[]); -- ok - jsonb_build_object --------------------- - -(1 row) - -SELECT jsonb_build_object(VARIADIC '{}'::text[]); -- ok - jsonb_build_object --------------------- - {} -(1 row) - -SELECT jsonb_build_object(VARIADIC '{a,b,c}'::text[]); -- error -ERROR: argument list must have even number of elements -HINT: The arguments of jsonb_build_object() must consist of alternating keys and values. -SELECT jsonb_build_object(VARIADIC ARRAY['a', NULL]::text[]); -- ok - jsonb_build_object --------------------- - {"a": null} -(1 row) - -SELECT jsonb_build_object(VARIADIC ARRAY[NULL, 'a']::text[]); -- error, key cannot be NULL -ERROR: argument 1: key must not be null -SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::text[]); -- ok - jsonb_build_object ----------------------- - {"1": "2", "3": "4"} -(1 row) - -SELECT jsonb_build_object(VARIADIC '{1,2,3,4}'::int[]); -- ok - jsonb_build_object --------------------- - {"1": 2, "3": 4} -(1 row) - -SELECT jsonb_build_object(VARIADIC '{{1,4},{2,5},{3,6}}'::int[][]); -- ok - jsonb_build_object --------------------------- - {"1": 4, "2": 5, "3": 6} -(1 row) - --- empty objects/arrays -SELECT jsonb_build_array(); - jsonb_build_array -------------------- - [] -(1 row) - -SELECT jsonb_build_object(); - jsonb_build_object --------------------- - {} -(1 row) - --- make sure keys are quoted -SELECT jsonb_build_object(1,2); - jsonb_build_object --------------------- - {"1": 2} -(1 row) - --- keys must be scalar and not null -SELECT jsonb_build_object(null,2); -ERROR: argument 1: key must not be null -SELECT jsonb_build_object(r,2) FROM (SELECT 1 AS a, 2 AS b) r; -ERROR: key value must be scalar, not array, composite, or json -SELECT jsonb_build_object(json '{"a":1,"b":2}', 3); -ERROR: key value must be scalar, not array, composite, or json -SELECT jsonb_build_object('{1,2,3}'::int[], 3); -ERROR: key value must be scalar, not array, composite, or json --- handling of NULL values -SELECT jsonb_object_agg(1, NULL::jsonb); - jsonb_object_agg ------------------- - {"1": null} -(1 row) - -SELECT jsonb_object_agg(NULL, '{"a":1}'); -ERROR: field name must not be null -CREATE TEMP TABLE foo (serial_num int, name text, type text); -INSERT INTO foo VALUES (847001,'t15','GE1043'); -INSERT INTO foo VALUES (847002,'t16','GE1043'); -INSERT INTO foo VALUES (847003,'sub-alpha','GESS90'); -SELECT jsonb_build_object('turbines',jsonb_object_agg(serial_num,jsonb_build_object('name',name,'type',type))) -FROM foo; - jsonb_build_object -------------------------------------------------------------------------------------------------------------------------------------------------------------- - {"turbines": {"847001": {"name": "t15", "type": "GE1043"}, "847002": {"name": "t16", "type": "GE1043"}, "847003": {"name": "sub-alpha", "type": "GESS90"}}} -(1 row) - -SELECT jsonb_object_agg(name, type) FROM foo; - jsonb_object_agg ------------------------------------------------------------ - {"t15": "GE1043", "t16": "GE1043", "sub-alpha": "GESS90"} -(1 row) - -INSERT INTO foo VALUES (999999, NULL, 'bar'); -SELECT jsonb_object_agg(name, type) FROM foo; -ERROR: field name must not be null --- edge case for parser -SELECT jsonb_object_agg(DISTINCT 'a', 'abc'); - jsonb_object_agg ------------------- - {"a": "abc"} -(1 row) - --- jsonb_object --- empty object, one dimension -SELECT jsonb_object('{}'); - jsonb_object --------------- - {} -(1 row) - --- empty object, two dimensions -SELECT jsonb_object('{}', '{}'); - jsonb_object --------------- - {} -(1 row) - --- one dimension -SELECT jsonb_object('{a,1,b,2,3,NULL,"d e f","a b c"}'); - jsonb_object ---------------------------------------------------- - {"3": null, "a": "1", "b": "2", "d e f": "a b c"} -(1 row) - --- same but with two dimensions -SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); - jsonb_object ---------------------------------------------------- - {"3": null, "a": "1", "b": "2", "d e f": "a b c"} -(1 row) - --- odd number error -SELECT jsonb_object('{a,b,c}'); -ERROR: array must have even number of elements --- one column error -SELECT jsonb_object('{{a},{b}}'); -ERROR: array must have two columns --- too many columns error -SELECT jsonb_object('{{a,b,c},{b,c,d}}'); -ERROR: array must have two columns --- too many dimensions error -SELECT jsonb_object('{{{a,b},{c,d}},{{b,c},{d,e}}}'); -ERROR: wrong number of array subscripts ---two argument form of jsonb_object -select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c"}'); - jsonb_object --------------------------------------------------- - {"a": "1", "b": "2", "c": "3", "d e f": "a b c"} -(1 row) - --- too many dimensions -SELECT jsonb_object('{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}', '{{a,1},{b,2},{3,NULL},{"d e f","a b c"}}'); -ERROR: wrong number of array subscripts --- mismatched dimensions -select jsonb_object('{a,b,c,"d e f",g}','{1,2,3,"a b c"}'); -ERROR: mismatched array dimensions -select jsonb_object('{a,b,c,"d e f"}','{1,2,3,"a b c",g}'); -ERROR: mismatched array dimensions --- null key error -select jsonb_object('{a,b,NULL,"d e f"}','{1,2,3,"a b c"}'); -ERROR: null value not allowed for object key --- empty key is allowed -select jsonb_object('{a,b,"","d e f"}','{1,2,3,"a b c"}'); - jsonb_object -------------------------------------------------- - {"": "3", "a": "1", "b": "2", "d e f": "a b c"} -(1 row) - --- extract_path, extract_path_as_text -SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6'); - jsonb_extract_path --------------------- - "stringy" -(1 row) - -SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); - jsonb_extract_path --------------------- - {"f3": 1} -(1 row) - -SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); - jsonb_extract_path --------------------- - "f3" -(1 row) - -SELECT jsonb_extract_path('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); - jsonb_extract_path --------------------- - 1 -(1 row) - -SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f4','f6'); - jsonb_extract_path_text -------------------------- - stringy -(1 row) - -SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}','f2'); - jsonb_extract_path_text -------------------------- - {"f3": 1} -(1 row) - -SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',0::text); - jsonb_extract_path_text -------------------------- - f3 -(1 row) - -SELECT jsonb_extract_path_text('{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}','f2',1::text); - jsonb_extract_path_text -------------------------- - 1 -(1 row) - --- extract_path nulls -SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_false; - expect_false --------------- - f -(1 row) - -SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":{"f5":null,"f6":"stringy"}}','f4','f5') IS NULL AS expect_true; - expect_true -------------- - t -(1 row) - -SELECT jsonb_extract_path('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_false; - expect_false --------------- - f -(1 row) - -SELECT jsonb_extract_path_text('{"f2":{"f3":1},"f4":[0,1,2,null]}','f4','3') IS NULL AS expect_true; - expect_true -------------- - t -(1 row) - --- extract_path operators -SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f4','f6']; - ?column? ------------ - "stringy" -(1 row) - -SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2']; - ?column? ------------ - {"f3": 1} -(1 row) - -SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','0']; - ?column? ----------- - "f3" -(1 row) - -SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>array['f2','1']; - ?column? ----------- - 1 -(1 row) - -SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f4','f6']; - ?column? ----------- - stringy -(1 row) - -SELECT '{"f2":{"f3":1},"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2']; - ?column? ------------ - {"f3": 1} -(1 row) - -SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','0']; - ?column? ----------- - f3 -(1 row) - -SELECT '{"f2":["f3",1],"f4":{"f5":99,"f6":"stringy"}}'::jsonb#>>array['f2','1']; - ?column? ----------- - 1 -(1 row) - --- corner cases for same -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> '{}'; - ?column? ----------------------------- - {"a": {"b": {"c": "foo"}}} -(1 row) - -select '[1,2,3]'::jsonb #> '{}'; - ?column? ------------ - [1, 2, 3] -(1 row) - -select '"foo"'::jsonb #> '{}'; - ?column? ----------- - "foo" -(1 row) - -select '42'::jsonb #> '{}'; - ?column? ----------- - 42 -(1 row) - -select 'null'::jsonb #> '{}'; - ?column? ----------- - null -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a']; - ?column? ---------------------- - {"b": {"c": "foo"}} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', null]; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a', '']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b']; - ?column? --------------- - {"c": "foo"} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c']; - ?column? ----------- - "foo" -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','b','c','d']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #> array['a','z','c']; - ?column? ----------- - -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','1','b']; - ?column? ----------- - "cc" -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #> array['a','z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['1','b']; - ?column? ----------- - "cc" -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::jsonb #> array['z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": null}]'::jsonb #> array['1','b']; - ?column? ----------- - null -(1 row) - -select '"foo"'::jsonb #> array['z']; - ?column? ----------- - -(1 row) - -select '42'::jsonb #> array['f2']; - ?column? ----------- - -(1 row) - -select '42'::jsonb #> array['0']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> '{}'; - ?column? ----------------------------- - {"a": {"b": {"c": "foo"}}} -(1 row) - -select '[1,2,3]'::jsonb #>> '{}'; - ?column? ------------ - [1, 2, 3] -(1 row) - -select '"foo"'::jsonb #>> '{}'; - ?column? ----------- - foo -(1 row) - -select '42'::jsonb #>> '{}'; - ?column? ----------- - 42 -(1 row) - -select 'null'::jsonb #>> '{}'; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a']; - ?column? ---------------------- - {"b": {"c": "foo"}} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', null]; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a', '']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b']; - ?column? --------------- - {"c": "foo"} -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c']; - ?column? ----------- - foo -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','b','c','d']; - ?column? ----------- - -(1 row) - -select '{"a": {"b":{"c": "foo"}}}'::jsonb #>> array['a','z','c']; - ?column? ----------- - -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','1','b']; - ?column? ----------- - cc -(1 row) - -select '{"a": [{"b": "c"}, {"b": "cc"}]}'::jsonb #>> array['a','z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['1','b']; - ?column? ----------- - cc -(1 row) - -select '[{"b": "c"}, {"b": "cc"}]'::jsonb #>> array['z','b']; - ?column? ----------- - -(1 row) - -select '[{"b": "c"}, {"b": null}]'::jsonb #>> array['1','b']; - ?column? ----------- - -(1 row) - -select '"foo"'::jsonb #>> array['z']; - ?column? ----------- - -(1 row) - -select '42'::jsonb #>> array['f2']; - ?column? ----------- - -(1 row) - -select '42'::jsonb #>> array['0']; - ?column? ----------- - -(1 row) - --- array_elements -SELECT jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]'); - jsonb_array_elements ----------------------------- - 1 - true - [1, [2, 3]] - null - {"f1": 1, "f2": [7, 8, 9]} - false -(6 rows) - -SELECT * FROM jsonb_array_elements('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false]') q; - value ----------------------------- - 1 - true - [1, [2, 3]] - null - {"f1": 1, "f2": [7, 8, 9]} - false -(6 rows) - -SELECT jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]'); - jsonb_array_elements_text ----------------------------- - 1 - true - [1, [2, 3]] - - {"f1": 1, "f2": [7, 8, 9]} - false - stringy -(7 rows) - -SELECT * FROM jsonb_array_elements_text('[1,true,[1,[2,3]],null,{"f1":1,"f2":[7,8,9]},false,"stringy"]') q; - value ----------------------------- - 1 - true - [1, [2, 3]] - - {"f1": 1, "f2": [7, 8, 9]} - false - stringy -(7 rows) - --- populate_record -CREATE TYPE jbpop AS (a text, b int, c timestamp); -CREATE DOMAIN jsb_int_not_null AS int NOT NULL; -CREATE DOMAIN jsb_int_array_1d AS int[] CHECK(array_length(VALUE, 1) = 3); -CREATE DOMAIN jsb_int_array_2d AS int[][] CHECK(array_length(VALUE, 2) = 3); -create type jb_unordered_pair as (x int, y int); -create domain jb_ordered_pair as jb_unordered_pair check((value).x <= (value).y); -CREATE TYPE jsbrec AS ( - i int, - ia _int4, - ia1 int[], - ia2 int[][], - ia3 int[][][], - ia1d jsb_int_array_1d, - ia2d jsb_int_array_2d, - t text, - ta text[], - c char(10), - ca char(10)[], - ts timestamp, - js json, - jsb jsonb, - jsa json[], - rec jbpop, - reca jbpop[] -); -CREATE TYPE jsbrec_i_not_null AS ( - i jsb_int_not_null -); -SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+--- - blurfl | | -(1 row) - -SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+-------------------------- - blurfl | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+--- - blurfl | | -(1 row) - -SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":"blurfl","x":43.2}') q; - a | b | c ---------+---+-------------------------- - blurfl | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -SELECT * FROM jsonb_populate_record(NULL::jbpop,'{"a":[100,200,false],"x":43.2}') q; - a | b | c --------------------+---+--- - [100, 200, false] | | -(1 row) - -SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"a":[100,200,false],"x":43.2}') q; - a | b | c --------------------+---+-------------------------- - [100, 200, false] | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop,'{"c":[100,200,false],"x":43.2}') q; -ERROR: invalid input syntax for type timestamp: "[100, 200, false]" -SELECT * FROM jsonb_populate_record(row('x',3,'2012-12-31 15:30:56')::jbpop, '{}') q; - a | b | c ----+---+-------------------------- - x | 3 | Mon Dec 31 15:30:56 2012 -(1 row) - -SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"x": 43.2}') q; -ERROR: domain jsb_int_not_null does not allow null values -SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": null}') q; -ERROR: domain jsb_int_not_null does not allow null values -SELECT i FROM jsonb_populate_record(NULL::jsbrec_i_not_null, '{"i": 12345}') q; - i -------- - 12345 -(1 row) - -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": null}') q; - ia ----- - -(1 row) - -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia". -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [1, "2", null, 4]}') q; - ia --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1, 2], [3, 4]]}') q; - ia ---------------- - {{1,2},{3,4}} -(1 row) - -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], 2]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ia". -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": [[1], [2, 3]]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ia FROM jsonb_populate_record(NULL::jsbrec, '{"ia": "{1,2,3}"}') q; - ia ---------- - {1,2,3} -(1 row) - -SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": null}') q; - ia1 ------ - -(1 row) - -SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia1". -SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [1, "2", null, 4]}') q; - ia1 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia1 FROM jsonb_populate_record(NULL::jsbrec, '{"ia1": [[1, 2, 3]]}') q; - ia1 ------------ - {{1,2,3}} -(1 row) - -SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": null}') q; - ia1d ------- - -(1 row) - -SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ia1d". -SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null, 4]}') q; -ERROR: value for domain jsb_int_array_1d violates check constraint "jsb_int_array_1d_check" -SELECT ia1d FROM jsonb_populate_record(NULL::jsbrec, '{"ia1d": [1, "2", null]}') q; - ia1d ------------- - {1,2,NULL} -(1 row) - -SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [1, "2", null, 4]}') q; - ia2 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [null, 4]]}') q; - ia2 ------------------- - {{1,2},{NULL,4}} -(1 row) - -SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[], []]}') q; - ia2 ------ - {} -(1 row) - -SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], [3]]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ia2 FROM jsonb_populate_record(NULL::jsbrec, '{"ia2": [[1, 2], 3, 4]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ia2". -SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2"], [null, 4]]}') q; -ERROR: value for domain jsb_int_array_2d violates check constraint "jsb_int_array_2d_check" -SELECT ia2d FROM jsonb_populate_record(NULL::jsbrec, '{"ia2d": [[1, "2", 3], [null, 5, 6]]}') q; - ia2d ----------------------- - {{1,2,3},{NULL,5,6}} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [1, "2", null, 4]}') q; - ia3 --------------- - {1,2,NULL,4} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [[1, 2], [null, 4]]}') q; - ia3 ------------------- - {{1,2},{NULL,4}} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[], []], [[], []], [[], []] ]}') q; - ia3 ------ - {} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2]], [[3, 4]] ]}') q; - ia3 -------------------- - {{{1,2}},{{3,4}}} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8]] ]}') q; - ia3 -------------------------------- - {{{1,2},{3,4}},{{5,6},{7,8}}} -(1 row) - -SELECT ia3 FROM jsonb_populate_record(NULL::jsbrec, '{"ia3": [ [[1, 2], [3, 4]], [[5, 6], [7, 8], [9, 10]] ]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": null}') q; - ta ----- - -(1 row) - -SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ta". -SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [1, "2", null, 4]}') q; - ta --------------- - {1,2,NULL,4} -(1 row) - -SELECT ta FROM jsonb_populate_record(NULL::jsbrec, '{"ta": [[1, 2, 3], {"k": "v"}]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ta". -SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": null}') q; - c ---- - -(1 row) - -SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaa"}') q; - c ------------- - aaa -(1 row) - -SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaa"}') q; - c ------------- - aaaaaaaaaa -(1 row) - -SELECT c FROM jsonb_populate_record(NULL::jsbrec, '{"c": "aaaaaaaaaaaaa"}') q; -ERROR: value too long for type character(10) -SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": null}') q; - ca ----- - -(1 row) - -SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "ca". -SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [1, "2", null, 4]}') q; - ca ------------------------------------------------ - {"1 ","2 ",NULL,"4 "} -(1 row) - -SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": ["aaaaaaaaaaaaaaaa"]}') q; -ERROR: value too long for type character(10) -SELECT ca FROM jsonb_populate_record(NULL::jsbrec, '{"ca": [[1, 2, 3], {"k": "v"}]}') q; -ERROR: expected JSON array -HINT: See the array element [1] of key "ca". -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": null}') q; - js ----- - -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": true}') q; - js ------- - true -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": 123.45}') q; - js --------- - 123.45 -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "123.45"}') q; - js ----------- - "123.45" -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": "abc"}') q; - js -------- - "abc" -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": [123, "123", null, {"key": "value"}]}') q; - js --------------------------------------- - [123, "123", null, {"key": "value"}] -(1 row) - -SELECT js FROM jsonb_populate_record(NULL::jsbrec, '{"js": {"a": "bbb", "b": null, "c": 123.45}}') q; - js --------------------------------------- - {"a": "bbb", "b": null, "c": 123.45} -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": null}') q; - jsb ------ - -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": true}') q; - jsb ------- - true -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": 123.45}') q; - jsb --------- - 123.45 -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "123.45"}') q; - jsb ----------- - "123.45" -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": "abc"}') q; - jsb -------- - "abc" -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": [123, "123", null, {"key": "value"}]}') q; - jsb --------------------------------------- - [123, "123", null, {"key": "value"}] -(1 row) - -SELECT jsb FROM jsonb_populate_record(NULL::jsbrec, '{"jsb": {"a": "bbb", "b": null, "c": 123.45}}') q; - jsb --------------------------------------- - {"a": "bbb", "b": null, "c": 123.45} -(1 row) - -SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": null}') q; - jsa ------ - -(1 row) - -SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "jsa". -SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": [1, "2", null, 4]}') q; - jsa --------------------- - {1,"\"2\"",NULL,4} -(1 row) - -SELECT jsa FROM jsonb_populate_record(NULL::jsbrec, '{"jsa": ["aaa", null, [1, 2, "3", {}], { "k" : "v" }]}') q; - jsa -------------------------------------------------------- - {"\"aaa\"",NULL,"[1, 2, \"3\", {}]","{\"k\": \"v\"}"} -(1 row) - -SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": 123}') q; -ERROR: cannot call populate_composite on a scalar -SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": [1, 2]}') q; -ERROR: cannot call populate_composite on an array -SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}') q; - rec ------------------------------------ - (abc,,"Thu Jan 02 00:00:00 2003") -(1 row) - -SELECT rec FROM jsonb_populate_record(NULL::jsbrec, '{"rec": "(abc,42,01.02.2003)"}') q; - rec -------------------------------------- - (abc,42,"Thu Jan 02 00:00:00 2003") -(1 row) - -SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": 123}') q; -ERROR: expected JSON array -HINT: See the value of key "reca". -SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": [1, 2]}') q; -ERROR: cannot call populate_composite on a scalar -SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}]}') q; - reca --------------------------------------------------------- - {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": ["(abc,42,01.02.2003)"]}') q; - reca -------------------------------------------- - {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT reca FROM jsonb_populate_record(NULL::jsbrec, '{"reca": "{\"(abc,42,01.02.2003)\"}"}') q; - reca -------------------------------------------- - {"(abc,42,\"Thu Jan 02 00:00:00 2003\")"} -(1 row) - -SELECT rec FROM jsonb_populate_record( - row(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, - row('x',3,'2012-12-31 15:30:56')::jbpop,NULL)::jsbrec, - '{"rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}}' -) q; - rec ------------------------------------- - (abc,3,"Thu Jan 02 00:00:00 2003") -(1 row) - --- Tests to check soft-error support for populate_record_field() --- populate_scalar() -create type jsb_char2 as (a char(2)); -select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aaa"}'); - jsonb_populate_record_valid ------------------------------ - f -(1 row) - -select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aaa"}') q; -ERROR: value too long for type character(2) -select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aa"}'); - jsonb_populate_record_valid ------------------------------ - t -(1 row) - -select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aa"}') q; - a ----- - aa -(1 row) - --- populate_array() -create type jsb_ia as (a int[]); -create type jsb_ia2 as (a int[][]); -select jsonb_populate_record_valid(NULL::jsb_ia, '{"a": 43.2}'); - jsonb_populate_record_valid ------------------------------ - f -(1 row) - -select * from jsonb_populate_record(NULL::jsb_ia, '{"a": 43.2}') q; -ERROR: expected JSON array -HINT: See the value of key "a". -select jsonb_populate_record_valid(NULL::jsb_ia, '{"a": [1, 2]}'); - jsonb_populate_record_valid ------------------------------ - t -(1 row) - -select * from jsonb_populate_record(NULL::jsb_ia, '{"a": [1, 2]}') q; - a -------- - {1,2} -(1 row) - -select jsonb_populate_record_valid(NULL::jsb_ia2, '{"a": [[1], [2, 3]]}'); - jsonb_populate_record_valid ------------------------------ - f -(1 row) - -select * from jsonb_populate_record(NULL::jsb_ia2, '{"a": [[1], [2, 3]]}') q; -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -select jsonb_populate_record_valid(NULL::jsb_ia2, '{"a": [[1, 0], [2, 3]]}'); - jsonb_populate_record_valid ------------------------------ - t -(1 row) - -select * from jsonb_populate_record(NULL::jsb_ia2, '{"a": [[1, 0], [2, 3]]}') q; - a ---------------- - {{1,0},{2,3}} -(1 row) - --- populate_domain() -create domain jsb_i_not_null as int not null; -create domain jsb_i_gt_1 as int check (value > 1); -create type jsb_i_not_null_rec as (a jsb_i_not_null); -create type jsb_i_gt_1_rec as (a jsb_i_gt_1); -select jsonb_populate_record_valid(NULL::jsb_i_not_null_rec, '{"a": null}'); - jsonb_populate_record_valid ------------------------------ - f -(1 row) - -select * from jsonb_populate_record(NULL::jsb_i_not_null_rec, '{"a": null}') q; -ERROR: domain jsb_i_not_null does not allow null values -select jsonb_populate_record_valid(NULL::jsb_i_not_null_rec, '{"a": 1}'); - jsonb_populate_record_valid ------------------------------ - t -(1 row) - -select * from jsonb_populate_record(NULL::jsb_i_not_null_rec, '{"a": 1}') q; - a ---- - 1 -(1 row) - -select jsonb_populate_record_valid(NULL::jsb_i_gt_1_rec, '{"a": 1}'); - jsonb_populate_record_valid ------------------------------ - f -(1 row) - -select * from jsonb_populate_record(NULL::jsb_i_gt_1_rec, '{"a": 1}') q; -ERROR: value for domain jsb_i_gt_1 violates check constraint "jsb_i_gt_1_check" -select jsonb_populate_record_valid(NULL::jsb_i_gt_1_rec, '{"a": 2}'); - jsonb_populate_record_valid ------------------------------ - t -(1 row) - -select * from jsonb_populate_record(NULL::jsb_i_gt_1_rec, '{"a": 2}') q; - a ---- - 2 -(1 row) - -drop type jsb_ia, jsb_ia2, jsb_char2, jsb_i_not_null_rec, jsb_i_gt_1_rec; -drop domain jsb_i_not_null, jsb_i_gt_1; --- anonymous record type -SELECT jsonb_populate_record(null::record, '{"x": 0, "y": 1}'); -ERROR: could not determine row type for result of jsonb_populate_record -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT jsonb_populate_record(row(1,2), '{"f1": 0, "f2": 1}'); - jsonb_populate_record ------------------------ - (0,1) -(1 row) - -SELECT * FROM - jsonb_populate_record(null::record, '{"x": 776}') AS (x int, y int); - x | y ------+--- - 776 | -(1 row) - --- composite domain -SELECT jsonb_populate_record(null::jb_ordered_pair, '{"x": 0, "y": 1}'); - jsonb_populate_record ------------------------ - (0,1) -(1 row) - -SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 0}'); - jsonb_populate_record ------------------------ - (0,2) -(1 row) - -SELECT jsonb_populate_record(row(1,2)::jb_ordered_pair, '{"x": 1, "y": 0}'); -ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check" --- populate_recordset -SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ------------------+----+-------------------------- - [100, 200, 300] | 99 | - {"z": true} | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"c":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; -ERROR: invalid input syntax for type timestamp: "[100, 200, 300]" -SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+---+-------------------------- - blurfl | | - | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":"blurfl","x":43.2},{"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ---------+----+-------------------------- - blurfl | 99 | - def | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - -SELECT * FROM jsonb_populate_recordset(row('def',99,NULL)::jbpop,'[{"a":[100,200,300],"x":43.2},{"a":{"z":true},"b":3,"c":"2012-01-20 10:42:53"}]') q; - a | b | c ------------------+----+-------------------------- - [100, 200, 300] | 99 | - {"z": true} | 3 | Fri Jan 20 10:42:53 2012 -(2 rows) - --- anonymous record type -SELECT jsonb_populate_recordset(null::record, '[{"x": 0, "y": 1}]'); -ERROR: could not determine row type for result of jsonb_populate_recordset -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT jsonb_populate_recordset(row(1,2), '[{"f1": 0, "f2": 1}]'); - jsonb_populate_recordset --------------------------- - (0,1) -(1 row) - -SELECT i, jsonb_populate_recordset(row(i,50), '[{"f1":"42"},{"f2":"43"}]') -FROM (VALUES (1),(2)) v(i); - i | jsonb_populate_recordset ----+-------------------------- - 1 | (42,50) - 1 | (1,43) - 2 | (42,50) - 2 | (2,43) -(4 rows) - -SELECT * FROM - jsonb_populate_recordset(null::record, '[{"x": 776}]') AS (x int, y int); - x | y ------+--- - 776 | -(1 row) - --- empty array is a corner case -SELECT jsonb_populate_recordset(null::record, '[]'); -ERROR: could not determine row type for result of jsonb_populate_recordset -HINT: Provide a non-null record argument, or call the function in the FROM clause using a column definition list. -SELECT jsonb_populate_recordset(row(1,2), '[]'); - jsonb_populate_recordset --------------------------- -(0 rows) - -SELECT * FROM jsonb_populate_recordset(NULL::jbpop,'[]') q; - a | b | c ----+---+--- -(0 rows) - -SELECT * FROM - jsonb_populate_recordset(null::record, '[]') AS (x int, y int); - x | y ----+--- -(0 rows) - --- composite domain -SELECT jsonb_populate_recordset(null::jb_ordered_pair, '[{"x": 0, "y": 1}]'); - jsonb_populate_recordset --------------------------- - (0,1) -(1 row) - -SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 0}, {"y": 3}]'); - jsonb_populate_recordset --------------------------- - (0,2) - (1,3) -(2 rows) - -SELECT jsonb_populate_recordset(row(1,2)::jb_ordered_pair, '[{"x": 1, "y": 0}]'); -ERROR: value for domain jb_ordered_pair violates check constraint "jb_ordered_pair_check" --- negative cases where the wrong record type is supplied -select * from jsonb_populate_recordset(row(0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 1 attribute, but query expects 2. -select * from jsonb_populate_recordset(row(0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 1, but query expects text. -select * from jsonb_populate_recordset(row(0::int,0::int,0::int),'[{"a":"1","b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 3 attributes, but query expects 2. -select * from jsonb_populate_recordset(row(1000000000::int,50::int),'[{"b":"2"},{"a":"3"}]') q (a text, b text); -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 1, but query expects text. --- jsonb_to_record and jsonb_to_recordset -select * from jsonb_to_record('{"a":1,"b":"foo","c":"bar"}') - as x(a int, b text, d text); - a | b | d ----+-----+--- - 1 | foo | -(1 row) - -select * from jsonb_to_recordset('[{"a":1,"b":"foo","d":false},{"a":2,"b":"bar","c":true}]') - as x(a int, b text, c boolean); - a | b | c ----+-----+--- - 1 | foo | - 2 | bar | t -(2 rows) - -select *, c is null as c_is_null -from jsonb_to_record('{"a":1, "b":{"c":16, "d":2}, "x":8, "ca": ["1 2", 3], "ia": [[1,2],[3,4]], "r": {"a": "aaa", "b": 123}}'::jsonb) - as t(a int, b jsonb, c text, x int, ca char(5)[], ia int[][], r jbpop); - a | b | c | x | ca | ia | r | c_is_null ----+-------------------+---+---+-------------------+---------------+------------+----------- - 1 | {"c": 16, "d": 2} | | 8 | {"1 2 ","3 "} | {{1,2},{3,4}} | (aaa,123,) | t -(1 row) - -select *, c is null as c_is_null -from jsonb_to_recordset('[{"a":1, "b":{"c":16, "d":2}, "x":8}]'::jsonb) - as t(a int, b jsonb, c text, x int); - a | b | c | x | c_is_null ----+-------------------+---+---+----------- - 1 | {"c": 16, "d": 2} | | 8 | t -(1 row) - -select * from jsonb_to_record('{"ia": null}') as x(ia _int4); - ia ----- - -(1 row) - -select * from jsonb_to_record('{"ia": 123}') as x(ia _int4); -ERROR: expected JSON array -HINT: See the value of key "ia". -select * from jsonb_to_record('{"ia": [1, "2", null, 4]}') as x(ia _int4); - ia --------------- - {1,2,NULL,4} -(1 row) - -select * from jsonb_to_record('{"ia": [[1, 2], [3, 4]]}') as x(ia _int4); - ia ---------------- - {{1,2},{3,4}} -(1 row) - -select * from jsonb_to_record('{"ia": [[1], 2]}') as x(ia _int4); -ERROR: expected JSON array -HINT: See the array element [1] of key "ia". -select * from jsonb_to_record('{"ia": [[1], [2, 3]]}') as x(ia _int4); -ERROR: malformed JSON array -DETAIL: Multidimensional arrays must have sub-arrays with matching dimensions. -select * from jsonb_to_record('{"ia2": [1, 2, 3]}') as x(ia2 int[][]); - ia2 ---------- - {1,2,3} -(1 row) - -select * from jsonb_to_record('{"ia2": [[1, 2], [3, 4]]}') as x(ia2 int4[][]); - ia2 ---------------- - {{1,2},{3,4}} -(1 row) - -select * from jsonb_to_record('{"ia2": [[[1], [2], [3]]]}') as x(ia2 int4[][]); - ia2 ------------------ - {{{1},{2},{3}}} -(1 row) - -select * from jsonb_to_record('{"out": {"key": 1}}') as x(out json); - out ------------- - {"key": 1} -(1 row) - -select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out json); - out --------------- - [{"key": 1}] -(1 row) - -select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out json); - out ----------------- - "{\"key\": 1}" -(1 row) - -select * from jsonb_to_record('{"out": {"key": 1}}') as x(out jsonb); - out ------------- - {"key": 1} -(1 row) - -select * from jsonb_to_record('{"out": [{"key": 1}]}') as x(out jsonb); - out --------------- - [{"key": 1}] -(1 row) - -select * from jsonb_to_record('{"out": "{\"key\": 1}"}') as x(out jsonb); - out ----------------- - "{\"key\": 1}" -(1 row) - --- test type info caching in jsonb_populate_record() -CREATE TEMP TABLE jsbpoptest (js jsonb); -INSERT INTO jsbpoptest -SELECT '{ - "jsa": [1, "2", null, 4], - "rec": {"a": "abc", "c": "01.02.2003", "x": 43.2}, - "reca": [{"a": "abc", "b": 456}, null, {"c": "01.02.2003", "x": 43.2}] -}'::jsonb -FROM generate_series(1, 3); -SELECT (jsonb_populate_record(NULL::jsbrec, js)).* FROM jsbpoptest; - i | ia | ia1 | ia2 | ia3 | ia1d | ia2d | t | ta | c | ca | ts | js | jsb | jsa | rec | reca ----+----+-----+-----+-----+------+------+---+----+---+----+----+----+-----+--------------------+-----------------------------------+-------------------------------------------------------- - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} - | | | | | | | | | | | | | | {1,"\"2\"",NULL,4} | (abc,,"Thu Jan 02 00:00:00 2003") | {"(abc,456,)",NULL,"(,,\"Thu Jan 02 00:00:00 2003\")"} -(3 rows) - -DROP TYPE jsbrec; -DROP TYPE jsbrec_i_not_null; -DROP DOMAIN jsb_int_not_null; -DROP DOMAIN jsb_int_array_1d; -DROP DOMAIN jsb_int_array_2d; -DROP DOMAIN jb_ordered_pair; -DROP TYPE jb_unordered_pair; --- indexing -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ? 'public'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ? 'bar'; - count -------- - 0 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; - count -------- - 337 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled']; - count -------- - 42 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; - count -------- - 0 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; - count -------- - 337 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; - count -------- - 42 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.public'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; - count -------- - 0 -(1 row) - -CREATE INDEX jidx ON testjsonb USING gin (j); -SET enable_seqscan = off; -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"array":["foo"]}'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"array":["bar"]}'; - count -------- - 3 -(1 row) - --- exercise GIN_SEARCH_MODE_ALL -SELECT count(*) FROM testjsonb WHERE j @> '{}'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ? 'public'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ? 'bar'; - count -------- - 0 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ?| ARRAY['public','disabled']; - count -------- - 337 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j ?& ARRAY['public','disabled']; - count -------- - 42 -(1 row) - -EXPLAIN (COSTS OFF) -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; - QUERY PLAN ------------------------------------------------------------------ - Aggregate - -> Bitmap Heap Scan on testjsonb - Recheck Cond: (j @@ '($."wait" == null)'::jsonpath) - -> Bitmap Index Scan on jidx - Index Cond: (j @@ '($."wait" == null)'::jsonpath) -(5 rows) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public)'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.bar)'; - count -------- - 0 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) || exists($.disabled)'; - count -------- - 337 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.public) && exists($.disabled)'; - count -------- - 42 -(1 row) - -EXPLAIN (COSTS OFF) -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; - QUERY PLAN -------------------------------------------------------------------- - Aggregate - -> Bitmap Heap Scan on testjsonb - Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath) - -> Bitmap Index Scan on jidx - Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath) -(5 rows) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.public'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; - count -------- - 0 -(1 row) - --- array exists - array elements should behave as keys (for GIN index scans too) -CREATE INDEX jidx_array ON testjsonb USING gin((j->'array')); -SELECT count(*) from testjsonb WHERE j->'array' ? 'bar'; - count -------- - 3 -(1 row) - --- type sensitive array exists - should return no rows (since "exists" only --- matches strings that are either object keys or array elements) -SELECT count(*) from testjsonb WHERE j->'array' ? '5'::text; - count -------- - 0 -(1 row) - --- However, a raw scalar is *contained* within the array -SELECT count(*) from testjsonb WHERE j->'array' @> '5'::jsonb; - count -------- - 1 -(1 row) - -RESET enable_seqscan; -SELECT count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow; - count -------- - 4791 -(1 row) - -SELECT key, count(*) FROM (SELECT (jsonb_each(j)).key FROM testjsonb) AS wow GROUP BY key ORDER BY count DESC, key; - key | count ------------+------- - line | 884 - query | 207 - pos | 203 - node | 202 - space | 197 - status | 195 - public | 194 - title | 190 - wait | 190 - org | 189 - user | 189 - coauthors | 188 - disabled | 185 - indexed | 184 - cleaned | 180 - bad | 179 - date | 179 - world | 176 - state | 172 - subtitle | 169 - auth | 168 - abstract | 161 - array | 5 - age | 2 - foo | 2 - fool | 1 -(26 rows) - --- sort/hash -SELECT count(distinct j) FROM testjsonb; - count -------- - 894 -(1 row) - -SET enable_hashagg = off; -SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2; - count -------- - 894 -(1 row) - -SET enable_hashagg = on; -SET enable_sort = off; -SELECT count(*) FROM (SELECT j FROM (SELECT * FROM testjsonb UNION ALL SELECT * FROM testjsonb) js GROUP BY j) js2; - count -------- - 894 -(1 row) - -SELECT distinct * FROM (values (jsonb '{}' || ''::text),('{}')) v(j); - j ----- - {} -(1 row) - -SET enable_sort = on; -RESET enable_hashagg; -RESET enable_sort; -DROP INDEX jidx; -DROP INDEX jidx_array; --- btree -CREATE INDEX jidx ON testjsonb USING btree (j); -SET enable_seqscan = off; -SELECT count(*) FROM testjsonb WHERE j > '{"p":1}'; - count -------- - 884 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j = '{"pos":98, "line":371, "node":"CBA", "indexed":true}'; - count -------- - 1 -(1 row) - ---gin path opclass -DROP INDEX jidx; -CREATE INDEX jidx ON testjsonb USING gin (j jsonb_path_ops); -SET enable_seqscan = off; -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":null}'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC"}'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"wait":"CC", "public":true}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25}'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @> '{"age":25.0}'; - count -------- - 2 -(1 row) - --- exercise GIN_SEARCH_MODE_ALL -SELECT count(*) FROM testjsonb WHERE j @> '{}'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == null'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.wait == null))'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.wait ? (@ == null))'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '"CC" == $.wait'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.wait == "CC" && true == $.public'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.age == 25.0'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "foo"'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ '$.array[*] == "bar"'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($ ? (@.array[*] == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array ? (@[*] == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($.array[*] ? (@ == "bar"))'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @@ 'exists($)'; - count -------- - 1012 -(1 row) - -EXPLAIN (COSTS OFF) -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; - QUERY PLAN -------------------------------------------------------------------- - Aggregate - -> Bitmap Heap Scan on testjsonb - Recheck Cond: (j @? '$."wait"?(@ == null)'::jsonpath) - -> Bitmap Index Scan on jidx - Index Cond: (j @? '$."wait"?(@ == null)'::jsonpath) -(5 rows) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? (@ == null)'; - count -------- - 1 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.wait ? ("CC" == @)'; - count -------- - 15 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.wait == "CC" && true == @.public)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.age ? (@ == 25)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.age == 25.0)'; - count -------- - 2 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$ ? (@.array[*] == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.array ? (@[*] == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.array[*] ? (@ == "bar")'; - count -------- - 3 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$'; - count -------- - 1012 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.public'; - count -------- - 194 -(1 row) - -SELECT count(*) FROM testjsonb WHERE j @? '$.bar'; - count -------- - 0 -(1 row) - -RESET enable_seqscan; -DROP INDEX jidx; --- nested tests -SELECT '{"ff":{"a":12,"b":16}}'::jsonb; - jsonb ----------------------------- - {"ff": {"a": 12, "b": 16}} -(1 row) - -SELECT '{"ff":{"a":12,"b":16},"qq":123}'::jsonb; - jsonb ---------------------------------------- - {"ff": {"a": 12, "b": 16}, "qq": 123} -(1 row) - -SELECT '{"aa":["a","aaa"],"qq":{"a":12,"b":16,"c":["c1","c2"],"d":{"d1":"d1","d2":"d2","d1":"d3"}}}'::jsonb; - jsonb --------------------------------------------------------------------------------------------------- - {"aa": ["a", "aaa"], "qq": {"a": 12, "b": 16, "c": ["c1", "c2"], "d": {"d1": "d3", "d2": "d2"}}} -(1 row) - -SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2"],"d":{"d1":"d1","d2":"d2"}}}'::jsonb; - jsonb ------------------------------------------------------------------------------------------------------- - {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2"], "d": {"d1": "d1", "d2": "d2"}}} -(1 row) - -SELECT '{"aa":["a","aaa"],"qq":{"a":"12","b":"16","c":["c1","c2",["c3"],{"c4":4}],"d":{"d1":"d1","d2":"d2"}}}'::jsonb; - jsonb -------------------------------------------------------------------------------------------------------------------------- - {"aa": ["a", "aaa"], "qq": {"a": "12", "b": "16", "c": ["c1", "c2", ["c3"], {"c4": 4}], "d": {"d1": "d1", "d2": "d2"}}} -(1 row) - -SELECT '{"ff":["a","aaa"]}'::jsonb; - jsonb ----------------------- - {"ff": ["a", "aaa"]} -(1 row) - -SELECT - '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'ff', - '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'qq', - ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'Y') IS NULL AS f, - ('{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb ->> 'Y') IS NULL AS t, - '{"ff":{"a":12,"b":16},"qq":123,"x":[1,2],"Y":null}'::jsonb -> 'x'; - ?column? | ?column? | f | t | ?column? ---------------------+----------+---+---+---------- - {"a": 12, "b": 16} | 123 | f | t | [1, 2] -(1 row) - --- nested containment -SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1,2]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[2,1],"c":"b"}'::jsonb @> '{"a":[1,2]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":[1,2]}'; - ?column? ----------- - f -(1 row) - -SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":[1,2]}'; - ?column? ----------- - f -(1 row) - -SELECT '{"a":{"1":2},"c":"b"}'::jsonb @> '{"a":{"1":2}}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":{"2":1},"c":"b"}'::jsonb @> '{"a":{"1":2}}'; - ?column? ----------- - f -(1 row) - -SELECT '["a","b"]'::jsonb @> '["a","b","c","b"]'; - ?column? ----------- - f -(1 row) - -SELECT '["a","b","c","b"]'::jsonb @> '["a","b"]'; - ?column? ----------- - t -(1 row) - -SELECT '["a","b","c",[1,2]]'::jsonb @> '["a",[1,2]]'; - ?column? ----------- - t -(1 row) - -SELECT '["a","b","c",[1,2]]'::jsonb @> '["b",[1,2]]'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[1]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[2]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[1,2],"c":"b"}'::jsonb @> '{"a":[3]}'; - ?column? ----------- - f -(1 row) - -SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"c":3}]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4}]}'; - ?column? ----------- - t -(1 row) - -SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},3]}'; - ?column? ----------- - f -(1 row) - -SELECT '{"a":[1,2,{"c":3,"x":4}],"c":"b"}'::jsonb @> '{"a":[{"x":4},1]}'; - ?column? ----------- - t -(1 row) - --- check some corner cases for indexed nested containment (bug #13756) -create temp table nestjsonb (j jsonb); -insert into nestjsonb (j) values ('{"a":[["b",{"x":1}],["b",{"x":2}]],"c":3}'); -insert into nestjsonb (j) values ('[[14,2,3]]'); -insert into nestjsonb (j) values ('[1,[14,2,3]]'); -create index on nestjsonb using gin(j jsonb_path_ops); -set enable_seqscan = on; -set enable_bitmapscan = off; -select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; - j ---------------------------------------------------- - {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} -(1 row) - -select * from nestjsonb where j @> '{"c":3}'; - j ---------------------------------------------------- - {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} -(1 row) - -select * from nestjsonb where j @> '[[14]]'; - j ------------------ - [[14, 2, 3]] - [1, [14, 2, 3]] -(2 rows) - -set enable_seqscan = off; -set enable_bitmapscan = on; -select * from nestjsonb where j @> '{"a":[[{"x":2}]]}'::jsonb; - j ---------------------------------------------------- - {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} -(1 row) - -select * from nestjsonb where j @> '{"c":3}'; - j ---------------------------------------------------- - {"a": [["b", {"x": 1}], ["b", {"x": 2}]], "c": 3} -(1 row) - -select * from nestjsonb where j @> '[[14]]'; - j ------------------ - [[14, 2, 3]] - [1, [14, 2, 3]] -(2 rows) - -reset enable_seqscan; -reset enable_bitmapscan; --- nested object field / array index lookup -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'n'; - ?column? ----------- - null -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'a'; - ?column? ----------- - 1 -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'b'; - ?column? ----------- - [1, 2] -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'c'; - ?column? ----------- - {"1": 2} -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd'; - ?column? ---------------- - {"1": [2, 3]} -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'd' -> '1'; - ?column? ----------- - [2, 3] -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 'e'; - ?column? ----------- - -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb -> 0; --expecting error - ?column? ----------- - -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 0; - ?column? ----------- - "a" -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 1; - ?column? ----------- - "b" -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 2; - ?column? ----------- - "c" -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 3; - ?column? ----------- - [1, 2] -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 3 -> 1; - ?column? ----------- - 2 -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 4; - ?column? ----------- - null -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> 5; - ?column? ----------- - -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> -1; - ?column? ----------- - null -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> -5; - ?column? ----------- - "a" -(1 row) - -SELECT '["a","b","c",[1,2],null]'::jsonb -> -6; - ?column? ----------- - -(1 row) - ---nested path extraction -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{0}'; - ?column? ----------- - -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{a}'; - ?column? ----------- - "b" -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c}'; - ?column? ------------ - [1, 2, 3] -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,0}'; - ?column? ----------- - 1 -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,1}'; - ?column? ----------- - 2 -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,2}'; - ?column? ----------- - 3 -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,3}'; - ?column? ----------- - -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-1}'; - ?column? ----------- - 3 -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-3}'; - ?column? ----------- - 1 -(1 row) - -SELECT '{"a":"b","c":[1,2,3]}'::jsonb #> '{c,-4}'; - ?column? ----------- - -(1 row) - -SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{0}'; - ?column? ----------- - 0 -(1 row) - -SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{3}'; - ?column? ----------- - [3, 4] -(1 row) - -SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4}'; - ?column? ---------------- - {"5": "five"} -(1 row) - -SELECT '[0,1,2,[3,4],{"5":"five"}]'::jsonb #> '{4,5}'; - ?column? ----------- - "five" -(1 row) - ---nested exists -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'n'; - ?column? ----------- - t -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'a'; - ?column? ----------- - t -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'b'; - ?column? ----------- - t -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'c'; - ?column? ----------- - t -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'd'; - ?column? ----------- - t -(1 row) - -SELECT '{"n":null,"a":1,"b":[1,2],"c":{"1":2},"d":{"1":[2,3]}}'::jsonb ? 'e'; - ?column? ----------- - f -(1 row) - --- jsonb_strip_nulls -select jsonb_strip_nulls(null); - jsonb_strip_nulls -------------------- - -(1 row) - -select jsonb_strip_nulls('1'); - jsonb_strip_nulls -------------------- - 1 -(1 row) - -select jsonb_strip_nulls('"a string"'); - jsonb_strip_nulls -------------------- - "a string" -(1 row) - -select jsonb_strip_nulls('null'); - jsonb_strip_nulls -------------------- - null -(1 row) - -select jsonb_strip_nulls('[1,2,null,3,4]'); - jsonb_strip_nulls --------------------- - [1, 2, null, 3, 4] -(1 row) - -select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}'); - jsonb_strip_nulls --------------------------------------------- - {"a": 1, "c": [2, null, 3], "d": {"e": 4}} -(1 row) - -select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]'); - jsonb_strip_nulls --------------------------- - [1, {"a": 1, "c": 2}, 3] -(1 row) - --- an empty object is not null and should not be stripped -select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }'); - jsonb_strip_nulls --------------------- - {"a": {}, "d": {}} -(1 row) - --- jsonb_strip_nulls (strip_in_arrays=true) -select jsonb_strip_nulls(null, true); - jsonb_strip_nulls -------------------- - -(1 row) - -select jsonb_strip_nulls('1', true); - jsonb_strip_nulls -------------------- - 1 -(1 row) - -select jsonb_strip_nulls('"a string"', true); - jsonb_strip_nulls -------------------- - "a string" -(1 row) - -select jsonb_strip_nulls('null', true); - jsonb_strip_nulls -------------------- - null -(1 row) - -select jsonb_strip_nulls('[1,2,null,3,4]', true); - jsonb_strip_nulls -------------------- - [1, 2, 3, 4] -(1 row) - -select jsonb_strip_nulls('{"a":1,"b":null,"c":[2,null,3],"d":{"e":4,"f":null}}', true); - jsonb_strip_nulls --------------------------------------- - {"a": 1, "c": [2, 3], "d": {"e": 4}} -(1 row) - -select jsonb_strip_nulls('[1,{"a":1,"b":null,"c":2},3]', true); - jsonb_strip_nulls --------------------------- - [1, {"a": 1, "c": 2}, 3] -(1 row) - --- an empty object is not null and should not be stripped -select jsonb_strip_nulls('{"a": {"b": null, "c": null}, "d": {} }', true); - jsonb_strip_nulls --------------------- - {"a": {}, "d": {}} -(1 row) - -select jsonb_pretty('{"a": "test", "b": [1, 2, 3], "c": "test3", "d":{"dd": "test4", "dd2":{"ddd": "test5"}}}'); - jsonb_pretty ----------------------------- - { + - "a": "test", + - "b": [ + - 1, + - 2, + - 3 + - ], + - "c": "test3", + - "d": { + - "dd": "test4", + - "dd2": { + - "ddd": "test5"+ - } + - } + - } -(1 row) - -select jsonb_pretty('[{"f1":1,"f2":null},2,null,[[{"x":true},6,7],8],3]'); - jsonb_pretty ---------------------------- - [ + - { + - "f1": 1, + - "f2": null + - }, + - 2, + - null, + - [ + - [ + - { + - "x": true+ - }, + - 6, + - 7 + - ], + - 8 + - ], + - 3 + - ] -(1 row) - -select jsonb_pretty('{"a":["b", "c"], "d": {"e":"f"}}'); - jsonb_pretty ------------------- - { + - "a": [ + - "b", + - "c" + - ], + - "d": { + - "e": "f"+ - } + - } -(1 row) - -select jsonb_concat('{"d": "test", "a": [1, 2]}', '{"g": "test2", "c": {"c1":1, "c2":2}}'); - jsonb_concat -------------------------------------------------------------------- - {"a": [1, 2], "c": {"c1": 1, "c2": 2}, "d": "test", "g": "test2"} -(1 row) - -select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"cq":"l", "b":"g", "fg":false}'; - ?column? ---------------------------------------------- - {"b": "g", "aa": 1, "cq": "l", "fg": false} -(1 row) - -select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aq":"l"}'; - ?column? ---------------------------------------- - {"b": 2, "aa": 1, "aq": "l", "cq": 3} -(1 row) - -select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{"aa":"l"}'; - ?column? ------------------------------- - {"b": 2, "aa": "l", "cq": 3} -(1 row) - -select '{"aa":1 , "b":2, "cq":3}'::jsonb || '{}'; - ?column? ----------------------------- - {"b": 2, "aa": 1, "cq": 3} -(1 row) - -select '["a", "b"]'::jsonb || '["c"]'; - ?column? ------------------ - ["a", "b", "c"] -(1 row) - -select '["a", "b"]'::jsonb || '["c", "d"]'; - ?column? ----------------------- - ["a", "b", "c", "d"] -(1 row) - -select '["c"]' || '["a", "b"]'::jsonb; - ?column? ------------------ - ["c", "a", "b"] -(1 row) - -select '["a", "b"]'::jsonb || '"c"'; - ?column? ------------------ - ["a", "b", "c"] -(1 row) - -select '"c"' || '["a", "b"]'::jsonb; - ?column? ------------------ - ["c", "a", "b"] -(1 row) - -select '[]'::jsonb || '["a"]'::jsonb; - ?column? ----------- - ["a"] -(1 row) - -select '[]'::jsonb || '"a"'::jsonb; - ?column? ----------- - ["a"] -(1 row) - -select '"b"'::jsonb || '"a"'::jsonb; - ?column? ------------- - ["b", "a"] -(1 row) - -select '{}'::jsonb || '{"a":"b"}'::jsonb; - ?column? ------------- - {"a": "b"} -(1 row) - -select '[]'::jsonb || '{"a":"b"}'::jsonb; - ?column? --------------- - [{"a": "b"}] -(1 row) - -select '{"a":"b"}'::jsonb || '[]'::jsonb; - ?column? --------------- - [{"a": "b"}] -(1 row) - -select '"a"'::jsonb || '{"a":1}'; - ?column? ------------------ - ["a", {"a": 1}] -(1 row) - -select '{"a":1}' || '"a"'::jsonb; - ?column? ------------------ - [{"a": 1}, "a"] -(1 row) - -select '[3]'::jsonb || '{}'::jsonb; - ?column? ----------- - [3, {}] -(1 row) - -select '3'::jsonb || '[]'::jsonb; - ?column? ----------- - [3] -(1 row) - -select '3'::jsonb || '4'::jsonb; - ?column? ----------- - [3, 4] -(1 row) - -select '3'::jsonb || '{}'::jsonb; - ?column? ----------- - [3, {}] -(1 row) - -select '["a", "b"]'::jsonb || '{"c":1}'; - ?column? ----------------------- - ["a", "b", {"c": 1}] -(1 row) - -select '{"c": 1}'::jsonb || '["a", "b"]'; - ?column? ----------------------- - [{"c": 1}, "a", "b"] -(1 row) - -select '{}'::jsonb || '{"cq":"l", "b":"g", "fg":false}'; - ?column? ------------------------------------- - {"b": "g", "cq": "l", "fg": false} -(1 row) - -select pg_column_size('{}'::jsonb || '{}'::jsonb) = pg_column_size('{}'::jsonb); - ?column? ----------- - t -(1 row) - -select pg_column_size('{"aa":1}'::jsonb || '{"b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); - ?column? ----------- - t -(1 row) - -select pg_column_size('{"aa":1, "b":2}'::jsonb || '{}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); - ?column? ----------- - t -(1 row) - -select pg_column_size('{}'::jsonb || '{"aa":1, "b":2}'::jsonb) = pg_column_size('{"aa":1, "b":2}'::jsonb); - ?column? ----------- - t -(1 row) - -select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'a'); - jsonb_delete ------------------- - {"b": 2, "c": 3} -(1 row) - -select jsonb_delete('{"a":null , "b":2, "c":3}'::jsonb, 'a'); - jsonb_delete ------------------- - {"b": 2, "c": 3} -(1 row) - -select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'b'); - jsonb_delete ------------------- - {"a": 1, "c": 3} -(1 row) - -select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'c'); - jsonb_delete ------------------- - {"a": 1, "b": 2} -(1 row) - -select jsonb_delete('{"a":1 , "b":2, "c":3}'::jsonb, 'd'); - jsonb_delete --------------------------- - {"a": 1, "b": 2, "c": 3} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - 'a'; - ?column? ------------------- - {"b": 2, "c": 3} -(1 row) - -select '{"a":null , "b":2, "c":3}'::jsonb - 'a'; - ?column? ------------------- - {"b": 2, "c": 3} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - 'b'; - ?column? ------------------- - {"a": 1, "c": 3} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - 'c'; - ?column? ------------------- - {"a": 1, "b": 2} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - 'd'; - ?column? --------------------------- - {"a": 1, "b": 2, "c": 3} -(1 row) - -select pg_column_size('{"a":1 , "b":2, "c":3}'::jsonb - 'b') = pg_column_size('{"a":1, "b":2}'::jsonb); - ?column? ----------- - t -(1 row) - -select '["a","b","c"]'::jsonb - 3; - ?column? ------------------ - ["a", "b", "c"] -(1 row) - -select '["a","b","c"]'::jsonb - 2; - ?column? ------------- - ["a", "b"] -(1 row) - -select '["a","b","c"]'::jsonb - 1; - ?column? ------------- - ["a", "c"] -(1 row) - -select '["a","b","c"]'::jsonb - 0; - ?column? ------------- - ["b", "c"] -(1 row) - -select '["a","b","c"]'::jsonb - -1; - ?column? ------------- - ["a", "b"] -(1 row) - -select '["a","b","c"]'::jsonb - -2; - ?column? ------------- - ["a", "c"] -(1 row) - -select '["a","b","c"]'::jsonb - -3; - ?column? ------------- - ["b", "c"] -(1 row) - -select '["a","b","c"]'::jsonb - -4; - ?column? ------------------ - ["a", "b", "c"] -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - '{b}'::text[]; - ?column? ------------------- - {"a": 1, "c": 3} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - '{c,b}'::text[]; - ?column? ----------- - {"a": 1} -(1 row) - -select '{"a":1 , "b":2, "c":3}'::jsonb - '{}'::text[]; - ?column? --------------------------- - {"a": 1, "b": 2, "c": 3} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '[1,2,3]'); - jsonb_set --------------------------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": [1, 2, 3]} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '[1,2,3]'); - jsonb_set ------------------------------------------------------------------------------ - {"a": 1, "b": [1, [1, 2, 3]], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '[1,2,3]'); - jsonb_set ------------------------------------------------------------------------------ - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [[1, 2, 3], 3]}, "n": null} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '[1,2,3]'); -ERROR: path element at position 2 is null -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{n}', '{"1": 2}'); - jsonb_set -------------------------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": {"1": 2}} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"1": 2}'); - jsonb_set ----------------------------------------------------------------------------- - {"a": 1, "b": [1, {"1": 2}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,1,0}', '{"1": 2}'); - jsonb_set ----------------------------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [{"1": 2}, 3]}, "n": null} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{d,NULL,0}', '{"1": 2}'); -ERROR: path element at position 2 is null -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '"test"'); - jsonb_set --------------------------------------------------------------------------- - {"a": 1, "b": [1, "test"], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select jsonb_set('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb, '{b,-1}', '{"f": "test"}'); - jsonb_set ---------------------------------------------------------------------------------- - {"a": 1, "b": [1, {"f": "test"}], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{n}'); - jsonb_delete_path ----------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}} -(1 row) - -select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{b,-1}'); - jsonb_delete_path ------------------------------------------------------------------- - {"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select jsonb_delete_path('{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}', '{d,1,0}'); - jsonb_delete_path ------------------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null} -(1 row) - -select jsonb_delete_path('{"a":[]}', '{"a",-2147483648}'); - jsonb_delete_path -------------------- - {"a": []} -(1 row) - -select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{n}'; - ?column? ----------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [2, 3]}} -(1 row) - -select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1}'; - ?column? ------------------------------------------------------------------- - {"a": 1, "b": [1], "c": {"1": 2}, "d": {"1": [2, 3]}, "n": null} -(1 row) - -select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{b,-1e}'; -- invalid array subscript -ERROR: path element at position 2 is not an integer: "-1e" -select '{"n":null, "a":1, "b":[1,2], "c":{"1":2}, "d":{"1":[2,3]}}'::jsonb #- '{d,1,0}'; - ?column? ------------------------------------------------------------------- - {"a": 1, "b": [1, 2], "c": {"1": 2}, "d": {"1": [3]}, "n": null} -(1 row) - --- empty structure and error conditions for delete and replace -select '"a"'::jsonb - 'a'; -- error -ERROR: cannot delete from scalar -select '{}'::jsonb - 'a'; - ?column? ----------- - {} -(1 row) - -select '[]'::jsonb - 'a'; - ?column? ----------- - [] -(1 row) - -select '"a"'::jsonb - 1; -- error -ERROR: cannot delete from scalar -select '{}'::jsonb - 1; -- error -ERROR: cannot delete from object using integer index -select '[]'::jsonb - 1; - ?column? ----------- - [] -(1 row) - -select '"a"'::jsonb #- '{a}'; -- error -ERROR: cannot delete path in scalar -select '{}'::jsonb #- '{a}'; - ?column? ----------- - {} -(1 row) - -select '[]'::jsonb #- '{a}'; - ?column? ----------- - [] -(1 row) - -select jsonb_set('"a"','{a}','"b"'); --error -ERROR: cannot set path in scalar -select jsonb_set('{}','{a}','"b"', false); - jsonb_set ------------ - {} -(1 row) - -select jsonb_set('[]','{1}','"b"', false); - jsonb_set ------------ - [] -(1 row) - -select jsonb_set('[{"f1":1,"f2":null},2,null,3]', '{0}','[2,3,4]', false); - jsonb_set -------------------------- - [[2, 3, 4], 2, null, 3] -(1 row) - --- jsonb_set adding instead of replacing --- prepend to array -select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,-33}','{"foo":123}'); - jsonb_set -------------------------------------------------------- - {"a": 1, "b": [{"foo": 123}, 0, 1, 2], "c": {"d": 4}} -(1 row) - --- append to array -select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{b,33}','{"foo":123}'); - jsonb_set -------------------------------------------------------- - {"a": 1, "b": [0, 1, 2, {"foo": 123}], "c": {"d": 4}} -(1 row) - --- check nesting levels addition -select jsonb_set('{"a":1,"b":[4,5,[0,1,2],6,7],"c":{"d":4}}','{b,2,33}','{"foo":123}'); - jsonb_set ---------------------------------------------------------------------- - {"a": 1, "b": [4, 5, [0, 1, 2, {"foo": 123}], 6, 7], "c": {"d": 4}} -(1 row) - --- add new key -select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{c,e}','{"foo":123}'); - jsonb_set ------------------------------------------------------------- - {"a": 1, "b": [0, 1, 2], "c": {"d": 4, "e": {"foo": 123}}} -(1 row) - --- adding doesn't do anything if elements before last aren't present -select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,-33}','{"foo":123}'); - jsonb_set ------------------------------------------ - {"a": 1, "b": [0, 1, 2], "c": {"d": 4}} -(1 row) - -select jsonb_set('{"a":1,"b":[0,1,2],"c":{"d":4}}','{x,y}','{"foo":123}'); - jsonb_set ------------------------------------------ - {"a": 1, "b": [0, 1, 2], "c": {"d": 4}} -(1 row) - --- add to empty object -select jsonb_set('{}','{x}','{"foo":123}'); - jsonb_set ---------------------- - {"x": {"foo": 123}} -(1 row) - ---add to empty array -select jsonb_set('[]','{0}','{"foo":123}'); - jsonb_set ----------------- - [{"foo": 123}] -(1 row) - -select jsonb_set('[]','{99}','{"foo":123}'); - jsonb_set ----------------- - [{"foo": 123}] -(1 row) - -select jsonb_set('[]','{-99}','{"foo":123}'); - jsonb_set ----------------- - [{"foo": 123}] -(1 row) - -select jsonb_set('{"a": [1, 2, 3]}', '{a, non_integer}', '"new_value"'); -ERROR: path element at position 2 is not an integer: "non_integer" -select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, non_integer}', '"new_value"'); -ERROR: path element at position 3 is not an integer: "non_integer" -select jsonb_set('{"a": {"b": [1, 2, 3]}}', '{a, b, NULL}', '"new_value"'); -ERROR: path element at position 3 is null --- jsonb_set_lax -\pset null NULL --- pass though non nulls to jsonb_set -select jsonb_set_lax('{"a":1,"b":2}','{b}','5') ; - jsonb_set_lax ------------------- - {"a": 1, "b": 5} -(1 row) - -select jsonb_set_lax('{"a":1,"b":2}','{d}','6', true) ; - jsonb_set_lax --------------------------- - {"a": 1, "b": 2, "d": 6} -(1 row) - --- using the default treatment -select jsonb_set_lax('{"a":1,"b":2}','{b}',null); - jsonb_set_lax ---------------------- - {"a": 1, "b": null} -(1 row) - -select jsonb_set_lax('{"a":1,"b":2}','{d}',null,true); - jsonb_set_lax ------------------------------ - {"a": 1, "b": 2, "d": null} -(1 row) - --- errors -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, null); -ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception" -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, true, 'no_such_treatment'); -ERROR: null_value_treatment must be "delete_key", "return_target", "use_json_null", or "raise_exception" --- explicit treatments -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'raise_exception') as raise_exception; -ERROR: JSON value must not be null -DETAIL: Exception was raised because null_value_treatment is "raise_exception". -HINT: To avoid, either change the null_value_treatment argument or ensure that an SQL NULL is not passed. -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'return_target') as return_target; - return_target ------------------- - {"a": 1, "b": 2} -(1 row) - -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'delete_key') as delete_key; - delete_key ------------- - {"a": 1} -(1 row) - -select jsonb_set_lax('{"a":1,"b":2}', '{b}', null, null_value_treatment => 'use_json_null') as use_json_null; - use_json_null ---------------------- - {"a": 1, "b": null} -(1 row) - -\pset null '' --- jsonb_insert -select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": [0, "new_value", 1, 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '"new_value"', true); - jsonb_insert -------------------------------- - {"a": [0, 1, "new_value", 2]} -(1 row) - -select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"'); - jsonb_insert ------------------------------------------------------------- - {"a": {"b": {"c": [0, 1, "new_value", "test1", "test2"]}}} -(1 row) - -select jsonb_insert('{"a": {"b": {"c": [0, 1, "test1", "test2"]}}}', '{a, b, c, 2}', '"new_value"', true); - jsonb_insert ------------------------------------------------------------- - {"a": {"b": {"c": [0, 1, "test1", "new_value", "test2"]}}} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '{"b": "value"}'); - jsonb_insert ----------------------------------- - {"a": [0, {"b": "value"}, 1, 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 1}', '["value1", "value2"]'); - jsonb_insert ----------------------------------------- - {"a": [0, ["value1", "value2"], 1, 2]} -(1 row) - --- edge cases -select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": ["new_value", 0, 1, 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 0}', '"new_value"', true); - jsonb_insert -------------------------------- - {"a": [0, "new_value", 1, 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": [0, 1, "new_value", 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 2}', '"new_value"', true); - jsonb_insert -------------------------------- - {"a": [0, 1, 2, "new_value"]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": [0, 1, "new_value", 2]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, -1}', '"new_value"', true); - jsonb_insert -------------------------------- - {"a": [0, 1, 2, "new_value"]} -(1 row) - -select jsonb_insert('[]', '{1}', '"new_value"'); - jsonb_insert ---------------- - ["new_value"] -(1 row) - -select jsonb_insert('[]', '{1}', '"new_value"', true); - jsonb_insert ---------------- - ["new_value"] -(1 row) - -select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"'); - jsonb_insert ----------------------- - {"a": ["new_value"]} -(1 row) - -select jsonb_insert('{"a": []}', '{a, 1}', '"new_value"', true); - jsonb_insert ----------------------- - {"a": ["new_value"]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, 10}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": [0, 1, 2, "new_value"]} -(1 row) - -select jsonb_insert('{"a": [0,1,2]}', '{a, -10}', '"new_value"'); - jsonb_insert -------------------------------- - {"a": ["new_value", 0, 1, 2]} -(1 row) - --- jsonb_insert should be able to insert new value for objects, but not to replace -select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"'); - jsonb_insert ------------------------------------------ - {"a": {"b": "value", "c": "new_value"}} -(1 row) - -select jsonb_insert('{"a": {"b": "value"}}', '{a, c}', '"new_value"', true); - jsonb_insert ------------------------------------------ - {"a": {"b": "value", "c": "new_value"}} -(1 row) - -select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"'); -ERROR: cannot replace existing key -HINT: Try using the function jsonb_set to replace key value. -select jsonb_insert('{"a": {"b": "value"}}', '{a, b}', '"new_value"', true); -ERROR: cannot replace existing key -HINT: Try using the function jsonb_set to replace key value. --- jsonb subscript -select ('123'::jsonb)['a']; - jsonb -------- - -(1 row) - -select ('123'::jsonb)[0]; - jsonb -------- - -(1 row) - -select ('123'::jsonb)[NULL]; - jsonb -------- - -(1 row) - -select ('{"a": 1}'::jsonb)['a']; - jsonb -------- - 1 -(1 row) - -select ('{"a": 1}'::jsonb)[0]; - jsonb -------- - -(1 row) - -select ('{"a": 1}'::jsonb)['not_exist']; - jsonb -------- - -(1 row) - -select ('{"a": 1}'::jsonb)[NULL]; - jsonb -------- - -(1 row) - -select ('[1, "2", null]'::jsonb)['a']; - jsonb -------- - -(1 row) - -select ('[1, "2", null]'::jsonb)[0]; - jsonb -------- - 1 -(1 row) - -select ('[1, "2", null]'::jsonb)['1']; - jsonb -------- - "2" -(1 row) - -select ('[1, "2", null]'::jsonb)[1.0]; -ERROR: subscript type numeric is not supported -LINE 1: select ('[1, "2", null]'::jsonb)[1.0]; - ^ -HINT: jsonb subscript must be coercible to either integer or text. -select ('[1, "2", null]'::jsonb)[2]; - jsonb -------- - null -(1 row) - -select ('[1, "2", null]'::jsonb)[3]; - jsonb -------- - -(1 row) - -select ('[1, "2", null]'::jsonb)[-2]; - jsonb -------- - "2" -(1 row) - -select ('[1, "2", null]'::jsonb)[1]['a']; - jsonb -------- - -(1 row) - -select ('[1, "2", null]'::jsonb)[1][0]; - jsonb -------- - -(1 row) - -select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['b']; - jsonb -------- - "c" -(1 row) - -select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d']; - jsonb ------------ - [1, 2, 3] -(1 row) - -select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d'][1]; - jsonb -------- - 2 -(1 row) - -select ('{"a": 1, "b": "c", "d": [1, 2, 3]}'::jsonb)['d']['a']; - jsonb -------- - -(1 row) - -select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']; - jsonb ---------------- - {"a2": "aaa"} -(1 row) - -select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2']; - jsonb -------- - "aaa" -(1 row) - -select ('{"a": {"a1": {"a2": "aaa"}}, "b": "bbb", "c": "ccc"}'::jsonb)['a']['a1']['a2']['a3']; - jsonb -------- - -(1 row) - -select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1']; - jsonb ------------------------ - ["aaa", "bbb", "ccc"] -(1 row) - -select ('{"a": ["a1", {"b1": ["aaa", "bbb", "ccc"]}], "b": "bb"}'::jsonb)['a'][1]['b1'][2]; - jsonb -------- - "ccc" -(1 row) - --- slices are not supported -select ('{"a": 1}'::jsonb)['a':'b']; -ERROR: jsonb subscript does not support slices -LINE 1: select ('{"a": 1}'::jsonb)['a':'b']; - ^ -select ('[1, "2", null]'::jsonb)[1:2]; -ERROR: jsonb subscript does not support slices -LINE 1: select ('[1, "2", null]'::jsonb)[1:2]; - ^ -select ('[1, "2", null]'::jsonb)[:2]; -ERROR: jsonb subscript does not support slices -LINE 1: select ('[1, "2", null]'::jsonb)[:2]; - ^ -select ('[1, "2", null]'::jsonb)[1:]; -ERROR: jsonb subscript does not support slices -LINE 1: select ('[1, "2", null]'::jsonb)[1:]; - ^ -select ('[1, "2", null]'::jsonb)[:]; -ERROR: jsonb subscript does not support slices -create TEMP TABLE test_jsonb_subscript ( - id int, - test_json jsonb -); -insert into test_jsonb_subscript values -(1, '{}'), -- empty jsonb -(2, '{"key": "value"}'); -- jsonb with data --- update empty jsonb -update test_jsonb_subscript set test_json['a'] = '1' where id = 1; -select * from test_jsonb_subscript; - id | test_json -----+------------------ - 2 | {"key": "value"} - 1 | {"a": 1} -(2 rows) - --- update jsonb with some data -update test_jsonb_subscript set test_json['a'] = '1' where id = 2; -select * from test_jsonb_subscript; - id | test_json -----+-------------------------- - 1 | {"a": 1} - 2 | {"a": 1, "key": "value"} -(2 rows) - --- replace jsonb -update test_jsonb_subscript set test_json['a'] = '"test"'; -select * from test_jsonb_subscript; - id | test_json -----+------------------------------- - 1 | {"a": "test"} - 2 | {"a": "test", "key": "value"} -(2 rows) - --- replace by object -update test_jsonb_subscript set test_json['a'] = '{"b": 1}'::jsonb; -select * from test_jsonb_subscript; - id | test_json -----+--------------------------------- - 1 | {"a": {"b": 1}} - 2 | {"a": {"b": 1}, "key": "value"} -(2 rows) - --- replace by array -update test_jsonb_subscript set test_json['a'] = '[1, 2, 3]'::jsonb; -select * from test_jsonb_subscript; - id | test_json -----+---------------------------------- - 1 | {"a": [1, 2, 3]} - 2 | {"a": [1, 2, 3], "key": "value"} -(2 rows) - --- use jsonb subscription in where clause -select * from test_jsonb_subscript where test_json['key'] = '"value"'; - id | test_json -----+---------------------------------- - 2 | {"a": [1, 2, 3], "key": "value"} -(1 row) - -select * from test_jsonb_subscript where test_json['key_doesnt_exists'] = '"value"'; - id | test_json -----+----------- -(0 rows) - -select * from test_jsonb_subscript where test_json['key'] = '"wrong_value"'; - id | test_json -----+----------- -(0 rows) - --- NULL -update test_jsonb_subscript set test_json[NULL] = '1'; -ERROR: jsonb subscript in assignment must not be null -update test_jsonb_subscript set test_json['another_key'] = NULL; -select * from test_jsonb_subscript; - id | test_json -----+------------------------------------------------------- - 1 | {"a": [1, 2, 3], "another_key": null} - 2 | {"a": [1, 2, 3], "key": "value", "another_key": null} -(2 rows) - --- NULL as jsonb source -insert into test_jsonb_subscript values (3, NULL); -update test_jsonb_subscript set test_json['a'] = '1' where id = 3; -select * from test_jsonb_subscript; - id | test_json -----+------------------------------------------------------- - 1 | {"a": [1, 2, 3], "another_key": null} - 2 | {"a": [1, 2, 3], "key": "value", "another_key": null} - 3 | {"a": 1} -(3 rows) - -update test_jsonb_subscript set test_json = NULL where id = 3; -update test_jsonb_subscript set test_json[0] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+--------------------------------------------------------------- - 1 | {"0": 1, "a": [1, 2, 3], "another_key": null} - 2 | {"0": 1, "a": [1, 2, 3], "key": "value", "another_key": null} - 3 | [1] -(3 rows) - --- Fill the gaps logic -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '[0]'); -update test_jsonb_subscript set test_json[5] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+-------------------------------- - 1 | [0, null, null, null, null, 1] -(1 row) - -update test_jsonb_subscript set test_json[-4] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+----------------------------- - 1 | [0, null, 1, null, null, 1] -(1 row) - -update test_jsonb_subscript set test_json[-8] = '1'; -ERROR: path element at position 1 is out of range: -8 -select * from test_jsonb_subscript; - id | test_json -----+----------------------------- - 1 | [0, null, 1, null, null, 1] -(1 row) - --- keep consistent values position -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '[]'); -update test_jsonb_subscript set test_json[5] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+----------------------------------- - 1 | [null, null, null, null, null, 1] -(1 row) - --- create the whole path -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{}'); -update test_jsonb_subscript set test_json['a'][0]['b'][0]['c'] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+---------------------------- - 1 | {"a": [{"b": [{"c": 1}]}]} -(1 row) - -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{}'); -update test_jsonb_subscript set test_json['a'][2]['b'][2]['c'][2] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+------------------------------------------------------------------ - 1 | {"a": [null, null, {"b": [null, null, {"c": [null, null, 1]}]}]} -(1 row) - --- create the whole path with already existing keys -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{"b": 1}'); -update test_jsonb_subscript set test_json['a'][0] = '2'; -select * from test_jsonb_subscript; - id | test_json -----+-------------------- - 1 | {"a": [2], "b": 1} -(1 row) - --- the start jsonb is an object, first subscript is treated as a key -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{}'); -update test_jsonb_subscript set test_json[0]['a'] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+----------------- - 1 | {"0": {"a": 1}} -(1 row) - --- the start jsonb is an array -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '[]'); -update test_jsonb_subscript set test_json[0]['a'] = '1'; -update test_jsonb_subscript set test_json[2]['b'] = '2'; -select * from test_jsonb_subscript; - id | test_json -----+---------------------------- - 1 | [{"a": 1}, null, {"b": 2}] -(1 row) - --- overwriting an existing path -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{}'); -update test_jsonb_subscript set test_json['a']['b'][1] = '1'; -update test_jsonb_subscript set test_json['a']['b'][10] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+---------------------------------------------------------------------------- - 1 | {"a": {"b": [null, 1, null, null, null, null, null, null, null, null, 1]}} -(1 row) - -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '[]'); -update test_jsonb_subscript set test_json[0][0][0] = '1'; -update test_jsonb_subscript set test_json[0][0][1] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+------------ - 1 | [[[1, 1]]] -(1 row) - -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{}'); -update test_jsonb_subscript set test_json['a']['b'][10] = '1'; -update test_jsonb_subscript set test_json['a'][10][10] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+------------------------------------------------------------------------------------------------------------------------------------------------------ - 1 | {"a": {"b": [null, null, null, null, null, null, null, null, null, null, 1], "10": [null, null, null, null, null, null, null, null, null, null, 1]}} -(1 row) - --- an empty sub element -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{"a": {}}'); -update test_jsonb_subscript set test_json['a']['b']['c'][2] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+-------------------------------------- - 1 | {"a": {"b": {"c": [null, null, 1]}}} -(1 row) - -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{"a": []}'); -update test_jsonb_subscript set test_json['a'][1]['c'][2] = '1'; -select * from test_jsonb_subscript; - id | test_json -----+--------------------------------------- - 1 | {"a": [null, {"c": [null, null, 1]}]} -(1 row) - --- trying replace assuming a composite object, but it's an element or a value -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, '{"a": 1}'); -update test_jsonb_subscript set test_json['a']['b'] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. -update test_jsonb_subscript set test_json['a']['b']['c'] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. -update test_jsonb_subscript set test_json['a'][0] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. -update test_jsonb_subscript set test_json['a'][0]['c'] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. -update test_jsonb_subscript set test_json['a'][0][0] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. --- trying replace assuming a composite object, but it's a raw scalar -delete from test_jsonb_subscript; -insert into test_jsonb_subscript values (1, 'null'); -update test_jsonb_subscript set test_json[0] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. -update test_jsonb_subscript set test_json[0][0] = '1'; -ERROR: cannot replace existing key -DETAIL: The path assumes key is a composite object, but it is a scalar value. --- try some things with short-header and toasted subscript values -drop table test_jsonb_subscript; -create temp table test_jsonb_subscript ( - id text, - test_json jsonb -); -insert into test_jsonb_subscript values('foo', '{"foo": "bar"}'); -insert into test_jsonb_subscript - select s, ('{"' || s || '": "bar"}')::jsonb from repeat('xyzzy', 500) s; -select length(id), test_json[id] from test_jsonb_subscript; - length | test_json ---------+----------- - 3 | "bar" - 2500 | "bar" -(2 rows) - -update test_jsonb_subscript set test_json[id] = '"baz"'; -select length(id), test_json[id] from test_jsonb_subscript; - length | test_json ---------+----------- - 3 | "baz" - 2500 | "baz" -(2 rows) - -\x -table test_jsonb_subscript; --[ RECORD 1 ]-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -id | foo -test_json | {"foo": "baz"} --[ RECORD 2 ]-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -id | xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy -test_json | {"xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy": "baz"} - -\x --- jsonb to tsvector -select to_tsvector('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::jsonb); - to_tsvector ---------------------------------------------------------------------------- - 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 -(1 row) - --- jsonb to tsvector with config -select to_tsvector('simple', '{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'::jsonb); - to_tsvector ---------------------------------------------------------------------------- - 'aaa':1 'bbb':2 'ccc':4 'ddd':3 'eee':6 'fff':7 'ggg':8 'hhh':10 'iii':11 -(1 row) - --- jsonb to tsvector with stop words -select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": ["the eee fff ggg"], "c": {"d": "hhh. iii"}}'::jsonb); - to_tsvector ----------------------------------------------------------------------------- - 'aaa':1 'bbb':3 'ccc':5 'ddd':4 'eee':8 'fff':9 'ggg':10 'hhh':12 'iii':13 -(1 row) - --- jsonb to tsvector with numeric values -select to_tsvector('english', '{"a": "aaa in bbb ddd ccc", "b": 123, "c": 456}'::jsonb); - to_tsvector ---------------------------------- - 'aaa':1 'bbb':3 'ccc':5 'ddd':4 -(1 row) - --- jsonb_to_tsvector -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"all"'); - jsonb_to_tsvector ----------------------------------------------------------------------------------------- - '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"key"'); - jsonb_to_tsvector --------------------------------- - 'b':2 'c':4 'd':6 'f':8 'g':10 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"string"'); - jsonb_to_tsvector -------------------- - 'aaa':1 'bbb':3 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"numeric"'); - jsonb_to_tsvector -------------------- - '123':1 '456':3 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"boolean"'); - jsonb_to_tsvector -------------------- - 'fals':3 'true':1 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["string", "numeric"]'); - jsonb_to_tsvector ---------------------------------- - '123':5 '456':7 'aaa':1 'bbb':3 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"all"'); - jsonb_to_tsvector ----------------------------------------------------------------------------------------- - '123':8 '456':12 'aaa':2 'b':6 'bbb':4 'c':10 'd':14 'f':18 'fals':20 'g':22 'true':16 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"key"'); - jsonb_to_tsvector --------------------------------- - 'b':2 'c':4 'd':6 'f':8 'g':10 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"string"'); - jsonb_to_tsvector -------------------- - 'aaa':1 'bbb':3 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"numeric"'); - jsonb_to_tsvector -------------------- - '123':1 '456':3 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '"boolean"'); - jsonb_to_tsvector -------------------- - 'fals':3 'true':1 -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["string", "numeric"]'); - jsonb_to_tsvector ---------------------------------- - '123':5 '456':7 'aaa':1 'bbb':3 -(1 row) - --- to_tsvector corner cases -select to_tsvector('""'::jsonb); - to_tsvector -------------- - -(1 row) - -select to_tsvector('{}'::jsonb); - to_tsvector -------------- - -(1 row) - -select to_tsvector('[]'::jsonb); - to_tsvector -------------- - -(1 row) - -select to_tsvector('null'::jsonb); - to_tsvector -------------- - -(1 row) - --- jsonb_to_tsvector corner cases -select jsonb_to_tsvector('""'::jsonb, '"all"'); - jsonb_to_tsvector -------------------- - -(1 row) - -select jsonb_to_tsvector('{}'::jsonb, '"all"'); - jsonb_to_tsvector -------------------- - -(1 row) - -select jsonb_to_tsvector('[]'::jsonb, '"all"'); - jsonb_to_tsvector -------------------- - -(1 row) - -select jsonb_to_tsvector('null'::jsonb, '"all"'); - jsonb_to_tsvector -------------------- - -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '""'); -ERROR: wrong flag in flag array: "" -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '{}'); -ERROR: wrong flag type, only arrays and scalars are allowed -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '[]'); - jsonb_to_tsvector -------------------- - -(1 row) - -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, 'null'); -ERROR: flag array element is not a string -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". -select jsonb_to_tsvector('english', '{"a": "aaa in bbb", "b": 123, "c": 456, "d": true, "f": false, "g": null}'::jsonb, '["all", null]'); -ERROR: flag array element is not a string -HINT: Possible values are: "string", "numeric", "boolean", "key", and "all". --- ts_headline for jsonb -select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::jsonb, tsquery('bbb & ddd & hhh')); - ts_headline ------------------------------------------------------------------------------------------------------------------- - {"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]} -(1 row) - -select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff"}, "d": ["ggg hhh", "iii jjj"]}'::jsonb, tsquery('bbb & ddd & hhh')); - ts_headline ------------------------------------------------------------------------------------------------ - {"a": "aaa bbb", "b": {"c": "ccc ddd fff"}, "d": ["ggg hhh", "iii jjj"]} -(1 row) - -select ts_headline('{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::jsonb, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >'); - ts_headline ---------------------------------------------------------------------------------------------------- - {"a": "aaa ", "b": {"c": "ccc fff", "c1": "ccc1 ddd1"}, "d": ["ggg ", "iii jjj"]} -(1 row) - -select ts_headline('english', '{"a": "aaa bbb", "b": {"c": "ccc ddd fff", "c1": "ccc1 ddd1"}, "d": ["ggg hhh", "iii jjj"]}'::jsonb, tsquery('bbb & ddd & hhh'), 'StartSel = <, StopSel = >'); - ts_headline ---------------------------------------------------------------------------------------------------- - {"a": "aaa ", "b": {"c": "ccc fff", "c1": "ccc1 ddd1"}, "d": ["ggg ", "iii jjj"]} -(1 row) - --- corner cases for ts_headline with jsonb -select ts_headline('null'::jsonb, tsquery('aaa & bbb')); - ts_headline -------------- - null -(1 row) - -select ts_headline('{}'::jsonb, tsquery('aaa & bbb')); - ts_headline -------------- - {} -(1 row) - -select ts_headline('[]'::jsonb, tsquery('aaa & bbb')); - ts_headline -------------- - [] -(1 row) - --- casts -select 'true'::jsonb::bool; - bool ------- - t -(1 row) - -select 'null'::jsonb::bool; - bool ------- - -(1 row) - -select '[]'::jsonb::bool; -ERROR: cannot cast jsonb array to type boolean -select '1.0'::jsonb::float; - float8 --------- - 1 -(1 row) - -select 'null'::jsonb::float; - float8 --------- - -(1 row) - -select '[1.0]'::jsonb::float; -ERROR: cannot cast jsonb array to type double precision -select '1.0'::jsonb::float4; - float4 --------- - 1 -(1 row) - -select 'null'::jsonb::float4; - float4 --------- - -(1 row) - -select '[1.0]'::jsonb::float4; -ERROR: cannot cast jsonb array to type real -select '12345'::jsonb::int2; - int2 -------- - 12345 -(1 row) - -select 'null'::jsonb::int2; - int2 ------- - -(1 row) - -select '"hello"'::jsonb::int2; -ERROR: cannot cast jsonb string to type smallint -select '12345'::jsonb::int4; - int4 -------- - 12345 -(1 row) - -select 'null'::jsonb::int4; - int4 ------- - -(1 row) - -select '"hello"'::jsonb::int4; -ERROR: cannot cast jsonb string to type integer -select '12345'::jsonb::int8; - int8 -------- - 12345 -(1 row) - -select 'null'::jsonb::int8; - int8 ------- - -(1 row) - -select '"hello"'::jsonb::int8; -ERROR: cannot cast jsonb string to type bigint -select '12345'::jsonb::numeric; - numeric ---------- - 12345 -(1 row) - -select 'null'::jsonb::numeric; - numeric ---------- - -(1 row) - -select '{}'::jsonb::numeric; -ERROR: cannot cast jsonb object to type numeric -select '12345.05'::jsonb::numeric; - numeric ----------- - 12345.05 -(1 row) - -select '12345.05'::jsonb::float4; - float4 ----------- - 12345.05 -(1 row) - -select '12345.05'::jsonb::float8; - float8 ----------- - 12345.05 -(1 row) - -select '12345.05'::jsonb::int2; - int2 -------- - 12345 -(1 row) - -select '12345.05'::jsonb::int4; - int4 -------- - 12345 -(1 row) - -select '12345.05'::jsonb::int8; - int8 -------- - 12345 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::numeric; - numeric ------------------------------------------------------- - 12345.0000000000000000000000000000000000000000000005 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::float4; - float4 --------- - 12345 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::float8; - float8 --------- - 12345 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::int2; - int2 -------- - 12345 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::int4; - int4 -------- - 12345 -(1 row) - -select '12345.0000000000000000000000000000000000000000000005'::jsonb::int8; - int8 -------- - 12345 -(1 row) - +WARNING: terminating connection because of crash of another server process +DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. +HINT: In a moment you should be able to reconnect to the database and repeat your command. +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/jsonpath.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonpath.out --- /tmp/cirrus-ci-build/src/test/regress/expected/jsonpath.out 2025-06-04 16:00:28.757183000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonpath.out 2025-06-04 16:05:10.641602000 +0000 @@ -436,998 +436,7 @@ (1 row) select '$.replace("hello","bye")'::jsonpath; - jsonpath --------------------------- - $.replace("hello","bye") -(1 row) - -select '$.lower()'::jsonpath; - jsonpath ------------ - $.lower() -(1 row) - -select '$.upper()'::jsonpath; - jsonpath ------------ - $.upper() -(1 row) - -select '$.lower().upper().lower().replace("hello","bye")'::jsonpath; - jsonpath --------------------------------------------------- - $.lower().upper().lower().replace("hello","bye") -(1 row) - -select '$.ltrim()'::jsonpath; - jsonpath ------------ - $.ltrim() -(1 row) - -select '$.ltrim("xyz")'::jsonpath; - jsonpath ----------------- - $.ltrim("xyz") -(1 row) - -select '$.rtrim()'::jsonpath; - jsonpath ------------ - $.rtrim() -(1 row) - -select '$.rtrim("xyz")'::jsonpath; - jsonpath ----------------- - $.rtrim("xyz") -(1 row) - -select '$.btrim()'::jsonpath; - jsonpath ------------ - $.btrim() -(1 row) - -select '$.btrim("xyz")'::jsonpath; - jsonpath ----------------- - $.btrim("xyz") -(1 row) - -select '$.initcap()'::jsonpath; - jsonpath -------------- - $.initcap() -(1 row) - -select '$.split_part("~@~", 2)'::jsonpath; - jsonpath ------------------------ - $.split_part("~@~",2) -(1 row) - --- Parse errors -select '$.replace("hello")'::jsonpath; -ERROR: syntax error at or near ")" of jsonpath input -LINE 1: select '$.replace("hello")'::jsonpath; - ^ -select '$.replace()'::jsonpath; -ERROR: syntax error at or near ")" of jsonpath input -LINE 1: select '$.replace()'::jsonpath; - ^ -select '$.replace("hello","bye","extra")'::jsonpath; -ERROR: syntax error at or near "," of jsonpath input -LINE 1: select '$.replace("hello","bye","extra")'::jsonpath; - ^ -select '$.split_part("~@~")'::jsonpath; -ERROR: syntax error at or near ")" of jsonpath input -LINE 1: select '$.split_part("~@~")'::jsonpath; - ^ -select '$.split_part()'::jsonpath; -ERROR: syntax error at or near ")" of jsonpath input -LINE 1: select '$.split_part()'::jsonpath; - ^ -select '$.split_part("~@~", "hi")'::jsonpath; -ERROR: syntax error at or near """ of jsonpath input -LINE 1: select '$.split_part("~@~", "hi")'::jsonpath; - ^ -select '$.split_part("~@~", 2, "extra")'::jsonpath; -ERROR: syntax error at or near "," of jsonpath input -LINE 1: select '$.split_part("~@~", 2, "extra")'::jsonpath; - ^ -select '$.lower("hi")'::jsonpath; -ERROR: syntax error at or near """ of jsonpath input -LINE 1: select '$.lower("hi")'::jsonpath; - ^ -select '$.upper("hi")'::jsonpath; -ERROR: syntax error at or near """ of jsonpath input -LINE 1: select '$.upper("hi")'::jsonpath; - ^ -select '$.initcap("hi")'::jsonpath; -ERROR: syntax error at or near """ of jsonpath input -LINE 1: select '$.initcap("hi")'::jsonpath; - ^ -select '$.ltrim(42)'::jsonpath; -ERROR: syntax error at or near "42" of jsonpath input -LINE 1: select '$.ltrim(42)'::jsonpath; - ^ -select '$.ltrim("x", "y")'::jsonpath; -ERROR: syntax error at or near "," of jsonpath input -LINE 1: select '$.ltrim("x", "y")'::jsonpath; - ^ -select '$.rtrim(42)'::jsonpath; -ERROR: syntax error at or near "42" of jsonpath input -LINE 1: select '$.rtrim(42)'::jsonpath; - ^ -select '$.rtrim("x", "y")'::jsonpath; -ERROR: syntax error at or near "," of jsonpath input -LINE 1: select '$.rtrim("x", "y")'::jsonpath; - ^ -select '$.trim(42)'::jsonpath; -ERROR: syntax error at or near "(" of jsonpath input -LINE 1: select '$.trim(42)'::jsonpath; - ^ -select '$.trim("x", "y")'::jsonpath; -ERROR: syntax error at or near "(" of jsonpath input -LINE 1: select '$.trim("x", "y")'::jsonpath; - ^ -select '$.time()'::jsonpath; - jsonpath ----------- - $.time() -(1 row) - -select '$.time(6)'::jsonpath; - jsonpath ------------ - $.time(6) -(1 row) - -select '$.time_tz()'::jsonpath; - jsonpath -------------- - $.time_tz() -(1 row) - -select '$.time_tz(4)'::jsonpath; - jsonpath --------------- - $.time_tz(4) -(1 row) - -select '$.timestamp()'::jsonpath; - jsonpath ---------------- - $.timestamp() -(1 row) - -select '$.timestamp(2)'::jsonpath; - jsonpath ----------------- - $.timestamp(2) -(1 row) - -select '$.timestamp_tz()'::jsonpath; - jsonpath ------------------- - $.timestamp_tz() -(1 row) - -select '$.timestamp_tz(0)'::jsonpath; - jsonpath -------------------- - $.timestamp_tz(0) -(1 row) - -select '$ ? (@ starts with "abc")'::jsonpath; - jsonpath -------------------------- - $?(@ starts with "abc") -(1 row) - -select '$ ? (@ starts with $var)'::jsonpath; - jsonpath --------------------------- - $?(@ starts with $"var") -(1 row) - -select '$ ? (@ like_regex "(invalid pattern")'::jsonpath; -ERROR: invalid regular expression: parentheses () not balanced -LINE 1: select '$ ? (@ like_regex "(invalid pattern")'::jsonpath; - ^ -select '$ ? (@ like_regex "pattern")'::jsonpath; - jsonpath ----------------------------- - $?(@ like_regex "pattern") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "")'::jsonpath; - jsonpath ----------------------------- - $?(@ like_regex "pattern") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "i")'::jsonpath; - jsonpath -------------------------------------- - $?(@ like_regex "pattern" flag "i") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "is")'::jsonpath; - jsonpath --------------------------------------- - $?(@ like_regex "pattern" flag "is") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "isim")'::jsonpath; - jsonpath ---------------------------------------- - $?(@ like_regex "pattern" flag "ism") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "xsms")'::jsonpath; -ERROR: XQuery "x" flag (expanded regular expressions) is not implemented -LINE 1: select '$ ? (@ like_regex "pattern" flag "xsms")'::jsonpath; - ^ -select '$ ? (@ like_regex "pattern" flag "q")'::jsonpath; - jsonpath -------------------------------------- - $?(@ like_regex "pattern" flag "q") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "iq")'::jsonpath; - jsonpath --------------------------------------- - $?(@ like_regex "pattern" flag "iq") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "smixq")'::jsonpath; - jsonpath ------------------------------------------ - $?(@ like_regex "pattern" flag "ismxq") -(1 row) - -select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath; -ERROR: invalid input syntax for type jsonpath -LINE 1: select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath; - ^ -DETAIL: Unrecognized flag character "a" in LIKE_REGEX predicate. -select '$ < 1'::jsonpath; - jsonpath ----------- - ($ < 1) -(1 row) - -select '($ < 1) || $.a.b <= $x'::jsonpath; - jsonpath ------------------------------- - ($ < 1 || $."a"."b" <= $"x") -(1 row) - -select '@ + 1'::jsonpath; -ERROR: @ is not allowed in root expressions -LINE 1: select '@ + 1'::jsonpath; - ^ -select '($).a.b'::jsonpath; - jsonpath ------------ - $."a"."b" -(1 row) - -select '($.a.b).c.d'::jsonpath; - jsonpath -------------------- - $."a"."b"."c"."d" -(1 row) - -select '($.a.b + -$.x.y).c.d'::jsonpath; - jsonpath ----------------------------------- - ($."a"."b" + -$."x"."y")."c"."d" -(1 row) - -select '(-+$.a.b).c.d'::jsonpath; - jsonpath -------------------------- - (-(+$."a"."b"))."c"."d" -(1 row) - -select '1 + ($.a.b + 2).c.d'::jsonpath; - jsonpath -------------------------------- - (1 + ($."a"."b" + 2)."c"."d") -(1 row) - -select '1 + ($.a.b > 2).c.d'::jsonpath; - jsonpath -------------------------------- - (1 + ($."a"."b" > 2)."c"."d") -(1 row) - -select '($)'::jsonpath; - jsonpath ----------- - $ -(1 row) - -select '(($))'::jsonpath; - jsonpath ----------- - $ -(1 row) - -select '((($ + 1)).a + ((2)).b ? ((((@ > 1)) || (exists(@.c)))))'::jsonpath; - jsonpath ---------------------------------------------------- - (($ + 1)."a" + (2)."b"?(@ > 1 || exists (@."c"))) -(1 row) - -select '$ ? (@.a < 1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < -1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < -1) -(1 row) - -select '$ ? (@.a < +1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < .1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < -.1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < -0.1) -(1 row) - -select '$ ? (@.a < +.1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < 0.1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < -0.1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < -0.1) -(1 row) - -select '$ ? (@.a < +0.1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < 10.1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 10.1) -(1 row) - -select '$ ? (@.a < -10.1)'::jsonpath; - jsonpath -------------------- - $?(@."a" < -10.1) -(1 row) - -select '$ ? (@.a < +10.1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 10.1) -(1 row) - -select '$ ? (@.a < 1e1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < 10) -(1 row) - -select '$ ? (@.a < -1e1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < -10) -(1 row) - -select '$ ? (@.a < +1e1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < 10) -(1 row) - -select '$ ? (@.a < .1e1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < -.1e1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < -1) -(1 row) - -select '$ ? (@.a < +.1e1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < 0.1e1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < -0.1e1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < -1) -(1 row) - -select '$ ? (@.a < +0.1e1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < 10.1e1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 101) -(1 row) - -select '$ ? (@.a < -10.1e1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < -101) -(1 row) - -select '$ ? (@.a < +10.1e1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 101) -(1 row) - -select '$ ? (@.a < 1e-1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < -1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < -0.1) -(1 row) - -select '$ ? (@.a < +1e-1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 0.1) -(1 row) - -select '$ ? (@.a < .1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 0.01) -(1 row) - -select '$ ? (@.a < -.1e-1)'::jsonpath; - jsonpath -------------------- - $?(@."a" < -0.01) -(1 row) - -select '$ ? (@.a < +.1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 0.01) -(1 row) - -select '$ ? (@.a < 0.1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 0.01) -(1 row) - -select '$ ? (@.a < -0.1e-1)'::jsonpath; - jsonpath -------------------- - $?(@."a" < -0.01) -(1 row) - -select '$ ? (@.a < +0.1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 0.01) -(1 row) - -select '$ ? (@.a < 10.1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 1.01) -(1 row) - -select '$ ? (@.a < -10.1e-1)'::jsonpath; - jsonpath -------------------- - $?(@."a" < -1.01) -(1 row) - -select '$ ? (@.a < +10.1e-1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < 1.01) -(1 row) - -select '$ ? (@.a < 1e+1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < 10) -(1 row) - -select '$ ? (@.a < -1e+1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < -10) -(1 row) - -select '$ ? (@.a < +1e+1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < 10) -(1 row) - -select '$ ? (@.a < .1e+1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < -.1e+1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < -1) -(1 row) - -select '$ ? (@.a < +.1e+1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < 0.1e+1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < -0.1e+1)'::jsonpath; - jsonpath ----------------- - $?(@."a" < -1) -(1 row) - -select '$ ? (@.a < +0.1e+1)'::jsonpath; - jsonpath ---------------- - $?(@."a" < 1) -(1 row) - -select '$ ? (@.a < 10.1e+1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 101) -(1 row) - -select '$ ? (@.a < -10.1e+1)'::jsonpath; - jsonpath ------------------- - $?(@."a" < -101) -(1 row) - -select '$ ? (@.a < +10.1e+1)'::jsonpath; - jsonpath ------------------ - $?(@."a" < 101) -(1 row) - --- numeric literals -select '0'::jsonpath; - jsonpath ----------- - 0 -(1 row) - -select '00'::jsonpath; -ERROR: trailing junk after numeric literal at or near "00" of jsonpath input -LINE 1: select '00'::jsonpath; - ^ -select '0755'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0755'::jsonpath; - ^ -select '0.0'::jsonpath; - jsonpath ----------- - 0.0 -(1 row) - -select '0.000'::jsonpath; - jsonpath ----------- - 0.000 -(1 row) - -select '0.000e1'::jsonpath; - jsonpath ----------- - 0.00 -(1 row) - -select '0.000e2'::jsonpath; - jsonpath ----------- - 0.0 -(1 row) - -select '0.000e3'::jsonpath; - jsonpath ----------- - 0 -(1 row) - -select '0.0010'::jsonpath; - jsonpath ----------- - 0.0010 -(1 row) - -select '0.0010e-1'::jsonpath; - jsonpath ----------- - 0.00010 -(1 row) - -select '0.0010e+1'::jsonpath; - jsonpath ----------- - 0.010 -(1 row) - -select '0.0010e+2'::jsonpath; - jsonpath ----------- - 0.10 -(1 row) - -select '.001'::jsonpath; - jsonpath ----------- - 0.001 -(1 row) - -select '.001e1'::jsonpath; - jsonpath ----------- - 0.01 -(1 row) - -select '1.'::jsonpath; - jsonpath ----------- - 1 -(1 row) - -select '1.e1'::jsonpath; - jsonpath ----------- - 10 -(1 row) - -select '1a'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1a" of jsonpath input -LINE 1: select '1a'::jsonpath; - ^ -select '1e'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1e" of jsonpath input -LINE 1: select '1e'::jsonpath; - ^ -select '1.e'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1.e" of jsonpath input -LINE 1: select '1.e'::jsonpath; - ^ -select '1.2a'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1.2a" of jsonpath input -LINE 1: select '1.2a'::jsonpath; - ^ -select '1.2e'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1.2e" of jsonpath input -LINE 1: select '1.2e'::jsonpath; - ^ -select '1.2.e'::jsonpath; - jsonpath ------------ - (1.2)."e" -(1 row) - -select '(1.2).e'::jsonpath; - jsonpath ------------ - (1.2)."e" -(1 row) - -select '1e3'::jsonpath; - jsonpath ----------- - 1000 -(1 row) - -select '1.e3'::jsonpath; - jsonpath ----------- - 1000 -(1 row) - -select '1.e3.e'::jsonpath; - jsonpath ------------- - (1000)."e" -(1 row) - -select '1.e3.e4'::jsonpath; - jsonpath -------------- - (1000)."e4" -(1 row) - -select '1.2e3'::jsonpath; - jsonpath ----------- - 1200 -(1 row) - -select '1.2e3a'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1.2e3a" of jsonpath input -LINE 1: select '1.2e3a'::jsonpath; - ^ -select '1.2.e3'::jsonpath; - jsonpath ------------- - (1.2)."e3" -(1 row) - -select '(1.2).e3'::jsonpath; - jsonpath ------------- - (1.2)."e3" -(1 row) - -select '1..e'::jsonpath; - jsonpath ----------- - (1)."e" -(1 row) - -select '1..e3'::jsonpath; - jsonpath ----------- - (1)."e3" -(1 row) - -select '(1.).e'::jsonpath; - jsonpath ----------- - (1)."e" -(1 row) - -select '(1.).e3'::jsonpath; - jsonpath ----------- - (1)."e3" -(1 row) - -select '1?(2>3)'::jsonpath; - jsonpath -------------- - (1)?(2 > 3) -(1 row) - --- nondecimal -select '0b100101'::jsonpath; - jsonpath ----------- - 37 -(1 row) - -select '0o273'::jsonpath; - jsonpath ----------- - 187 -(1 row) - -select '0x42F'::jsonpath; - jsonpath ----------- - 1071 -(1 row) - --- error cases -select '0b'::jsonpath; -ERROR: trailing junk after numeric literal at or near "0b" of jsonpath input -LINE 1: select '0b'::jsonpath; - ^ -select '1b'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1b" of jsonpath input -LINE 1: select '1b'::jsonpath; - ^ -select '0b0x'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0b0x'::jsonpath; - ^ -select '0o'::jsonpath; -ERROR: trailing junk after numeric literal at or near "0o" of jsonpath input -LINE 1: select '0o'::jsonpath; - ^ -select '1o'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1o" of jsonpath input -LINE 1: select '1o'::jsonpath; - ^ -select '0o0x'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0o0x'::jsonpath; - ^ -select '0x'::jsonpath; -ERROR: trailing junk after numeric literal at or near "0x" of jsonpath input -LINE 1: select '0x'::jsonpath; - ^ -select '1x'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1x" of jsonpath input -LINE 1: select '1x'::jsonpath; - ^ -select '0x0y'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0x0y'::jsonpath; - ^ --- underscores -select '1_000_000'::jsonpath; - jsonpath ----------- - 1000000 -(1 row) - -select '1_2_3'::jsonpath; - jsonpath ----------- - 123 -(1 row) - -select '0x1EEE_FFFF'::jsonpath; - jsonpath ------------ - 518979583 -(1 row) - -select '0o2_73'::jsonpath; - jsonpath ----------- - 187 -(1 row) - -select '0b10_0101'::jsonpath; - jsonpath ----------- - 37 -(1 row) - -select '1_000.000_005'::jsonpath; - jsonpath -------------- - 1000.000005 -(1 row) - -select '1_000.'::jsonpath; - jsonpath ----------- - 1000 -(1 row) - -select '.000_005'::jsonpath; - jsonpath ----------- - 0.000005 -(1 row) - -select '1_000.5e0_1'::jsonpath; - jsonpath ----------- - 10005 -(1 row) - --- error cases -select '_100'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '_100'::jsonpath; - ^ -select '100_'::jsonpath; -ERROR: trailing junk after numeric literal at or near "100_" of jsonpath input -LINE 1: select '100_'::jsonpath; - ^ -select '100__000'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '100__000'::jsonpath; - ^ -select '_1_000.5'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '_1_000.5'::jsonpath; - ^ -select '1_000_.5'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1_000_" of jsonpath input -LINE 1: select '1_000_.5'::jsonpath; - ^ -select '1_000._5'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1_000._" of jsonpath input -LINE 1: select '1_000._5'::jsonpath; - ^ -select '1_000.5_'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1_000.5_" of jsonpath input -LINE 1: select '1_000.5_'::jsonpath; - ^ -select '1_000.5e_1'::jsonpath; -ERROR: trailing junk after numeric literal at or near "1_000.5e" of jsonpath input -LINE 1: select '1_000.5e_1'::jsonpath; - ^ --- underscore after prefix not allowed in JavaScript (but allowed in SQL) -select '0b_10_0101'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0b_10_0101'::jsonpath; - ^ -select '0o_273'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0o_273'::jsonpath; - ^ -select '0x_42F'::jsonpath; -ERROR: syntax error at end of jsonpath input -LINE 1: select '0x_42F'::jsonpath; - ^ --- test non-error-throwing API -SELECT str as jsonpath, - pg_input_is_valid(str,'jsonpath') as ok, - errinfo.sql_error_code, - errinfo.message, - errinfo.detail, - errinfo.hint -FROM unnest(ARRAY['$ ? (@ like_regex "pattern" flag "smixq")'::text, - '$ ? (@ like_regex "pattern" flag "a")', - '@ + 1', - '00', - '1a']) str, - LATERAL pg_input_error_info(str, 'jsonpath') as errinfo; - jsonpath | ok | sql_error_code | message | detail | hint --------------------------------------------+----+----------------+-----------------------------------------------------------------------+----------------------------------------------------------+------ - $ ? (@ like_regex "pattern" flag "smixq") | t | | | | - $ ? (@ like_regex "pattern" flag "a") | f | 42601 | invalid input syntax for type jsonpath | Unrecognized flag character "a" in LIKE_REGEX predicate. | - @ + 1 | f | 42601 | @ is not allowed in root expressions | | - 00 | f | 42601 | trailing junk after numeric literal at or near "00" of jsonpath input | | - 1a | f | 42601 | trailing junk after numeric literal at or near "1a" of jsonpath input | | -(5 rows) - +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/jsonb_jsonpath.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonb_jsonpath.out --- /tmp/cirrus-ci-build/src/test/regress/expected/jsonb_jsonpath.out 2025-06-04 16:00:28.756910000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/jsonb_jsonpath.out 2025-06-04 16:05:10.695178000 +0000 @@ -583,4329 +583,10 @@ (3 rows) select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{0}'); - jsonb_path_query ------------------- - {"a": {"b": 1}} -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{0 to last}'); - jsonb_path_query ------------------- - {"a": {"b": 1}} - {"b": 1} - 1 -(3 rows) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{1}'); - jsonb_path_query ------------------- - {"b": 1} -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{1 to last}'); - jsonb_path_query ------------------- - {"b": 1} - 1 -(2 rows) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{2}'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{2 to last}'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{3 to last}'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{last}'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{0}.b ? (@ > 0)'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{1}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{0 to last}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{1 to last}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"b": 1}}', 'lax $.**{1 to 2}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{0}.b ? (@ > 0)'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{1}.b ? (@ > 0)'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{0 to last}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{1 to last}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{1 to 2}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('{"a": {"c": {"b": 1}}}', 'lax $.**{2 to 3}.b ? (@ > 0)'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**{0}.b ? ( @ > 0)'; - ?column? ----------- - f -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**{1}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**{0 to last}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**{1 to last}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"b": 1}}' @? '$.**{1 to 2}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{0}.b ? ( @ > 0)'; - ?column? ----------- - f -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1}.b ? ( @ > 0)'; - ?column? ----------- - f -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{0 to last}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1 to last}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{1 to 2}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": {"c": {"b": 1}}}' @? '$.**{2 to 3}.b ? ( @ > 0)'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('{"g": {"x": 2}}', '$.g ? (exists (@.x))'); - jsonb_path_query ------------------- - {"x": 2} -(1 row) - -select jsonb_path_query('{"g": {"x": 2}}', '$.g ? (exists (@.y))'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"g": {"x": 2}}', '$.g ? (exists (@.x ? (@ >= 2) ))'); - jsonb_path_query ------------------- - {"x": 2} -(1 row) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'lax $.g ? (exists (@.x))'); - jsonb_path_query ------------------- - {"x": 2} -(1 row) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'lax $.g ? (exists (@.x + "3"))'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'lax $.g ? ((exists (@.x + "3")) is unknown)'); - jsonb_path_query ------------------- - {"x": 2} - {"y": 3} -(2 rows) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'strict $.g[*] ? (exists (@.x))'); - jsonb_path_query ------------------- - {"x": 2} -(1 row) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'strict $.g[*] ? ((exists (@.x)) is unknown)'); - jsonb_path_query ------------------- - {"y": 3} -(1 row) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'strict $.g ? (exists (@[*].x))'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"g": [{"x": 2}, {"y": 3}]}', 'strict $.g ? ((exists (@[*].x)) is unknown)'); - jsonb_path_query ----------------------- - [{"x": 2}, {"y": 3}] -(1 row) - ---test ternary logic -select - x, y, - jsonb_path_query( - '[true, false, null]', - '$[*] ? (@ == true && ($x == true && $y == true) || - @ == false && !($x == true && $y == true) || - @ == null && ($x == true && $y == true) is unknown)', - jsonb_build_object('x', x, 'y', y) - ) as "x && y" -from - (values (jsonb 'true'), ('false'), ('"null"')) x(x), - (values (jsonb 'true'), ('false'), ('"null"')) y(y); - x | y | x && y ---------+--------+-------- - true | true | true - true | false | false - true | "null" | null - false | true | false - false | false | false - false | "null" | false - "null" | true | null - "null" | false | false - "null" | "null" | null -(9 rows) - -select - x, y, - jsonb_path_query( - '[true, false, null]', - '$[*] ? (@ == true && ($x == true || $y == true) || - @ == false && !($x == true || $y == true) || - @ == null && ($x == true || $y == true) is unknown)', - jsonb_build_object('x', x, 'y', y) - ) as "x || y" -from - (values (jsonb 'true'), ('false'), ('"null"')) x(x), - (values (jsonb 'true'), ('false'), ('"null"')) y(y); - x | y | x || y ---------+--------+-------- - true | true | true - true | false | true - true | "null" | true - false | true | true - false | false | false - false | "null" | null - "null" | true | true - "null" | false | null - "null" | "null" | null -(9 rows) - -select jsonb '{"a": 1, "b":1}' @? '$ ? (@.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 1, "b":1}}' @? '$ ? (@.a == @.b)'; - ?column? ----------- - f -(1 row) - -select jsonb '{"c": {"a": 1, "b":1}}' @? '$.c ? (@.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 1, "b":1}}' @? '$.c ? ($.c.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 1, "b":1}}' @? '$.* ? (@.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": 1, "b":1}' @? '$.** ? (@.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 1, "b":1}}' @? '$.** ? (@.a == @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('{"c": {"a": 2, "b":1}}', '$.** ? (@.a == 1 + 1)'); - jsonb_path_query ------------------- - {"a": 2, "b": 1} -(1 row) - -select jsonb_path_query('{"c": {"a": 2, "b":1}}', '$.** ? (@.a == (1 + 1))'); - jsonb_path_query ------------------- - {"a": 2, "b": 1} -(1 row) - -select jsonb_path_query('{"c": {"a": 2, "b":1}}', '$.** ? (@.a == @.b + 1)'); - jsonb_path_query ------------------- - {"a": 2, "b": 1} -(1 row) - -select jsonb_path_query('{"c": {"a": 2, "b":1}}', '$.** ? (@.a == (@.b + 1))'); - jsonb_path_query ------------------- - {"a": 2, "b": 1} -(1 row) - -select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == - 1)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == -1)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == -@.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": -1, "b":1}}' @? '$.** ? (@.a == - @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 0, "b":1}}' @? '$.** ? (@.a == 1 - @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 2, "b":1}}' @? '$.** ? (@.a == 1 - - @.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '{"c": {"a": 0, "b":1}}' @? '$.** ? (@.a == 1 - +@.b)'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,2,3]' @? '$ ? (+@[*] > +2)'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,2,3]' @? '$ ? (+@[*] > +3)'; - ?column? ----------- - f -(1 row) - -select jsonb '[1,2,3]' @? '$ ? (-@[*] < -2)'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,2,3]' @? '$ ? (-@[*] < -3)'; - ?column? ----------- - f -(1 row) - -select jsonb '1' @? '$ ? ($ > 0)'; - ?column? ----------- - t -(1 row) - --- arithmetic errors -select jsonb_path_query('[1,2,0,3]', '$[*] ? (2 / @ > 0)'); - jsonb_path_query ------------------- - 1 - 2 - 3 -(3 rows) - -select jsonb_path_query('[1,2,0,3]', '$[*] ? ((2 / @ > 0) is unknown)'); - jsonb_path_query ------------------- - 0 -(1 row) - -select jsonb_path_query('0', '1 / $'); -ERROR: division by zero -select jsonb_path_query('0', '1 / $ + 2'); -ERROR: division by zero -select jsonb_path_query('0', '-(3 + 1 % $)'); -ERROR: division by zero -select jsonb_path_query('1', '$ + "2"'); -ERROR: right operand of jsonpath operator + is not a single numeric value -select jsonb_path_query('[1, 2]', '3 * $'); -ERROR: right operand of jsonpath operator * is not a single numeric value -select jsonb_path_query('"a"', '-$'); -ERROR: operand of unary jsonpath operator - is not a numeric value -select jsonb_path_query('[1,"2",3]', '+$'); -ERROR: operand of unary jsonpath operator + is not a numeric value -select jsonb_path_query('1', '$ + "2"', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[1, 2]', '3 * $', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"a"', '-$', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[1,"2",3]', '+$', silent => true); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb '["1",2,0,3]' @? '-$[*]'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,"2",0,3]' @? '-$[*]'; - ?column? ----------- - t -(1 row) - -select jsonb '["1",2,0,3]' @? 'strict -$[*]'; - ?column? ----------- - -(1 row) - -select jsonb '[1,"2",0,3]' @? 'strict -$[*]'; - ?column? ----------- - -(1 row) - --- unwrapping of operator arguments in lax mode -select jsonb_path_query('{"a": [2]}', 'lax $.a * 3'); - jsonb_path_query ------------------- - 6 -(1 row) - -select jsonb_path_query('{"a": [2]}', 'lax $.a + 3'); - jsonb_path_query ------------------- - 5 -(1 row) - -select jsonb_path_query('{"a": [2, 3, 4]}', 'lax -$.a'); - jsonb_path_query ------------------- - -2 - -3 - -4 -(3 rows) - --- should fail -select jsonb_path_query('{"a": [1, 2]}', 'lax $.a * 3'); -ERROR: left operand of jsonpath operator * is not a single numeric value -select jsonb_path_query('{"a": [1, 2]}', 'lax $.a * 3', silent => true); - jsonb_path_query ------------------- -(0 rows) - --- any key on arrays with and without unwrapping. -select jsonb_path_query('{"a": [1,2,3], "b": [3,4,5]}', '$.*'); - jsonb_path_query ------------------- - [1, 2, 3] - [3, 4, 5] -(2 rows) - -select jsonb_path_query('[1,2,3]', '$.*'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[1,2,3,{"b": [3,4,5]}]', 'lax $.*'); - jsonb_path_query ------------------- - [3, 4, 5] -(1 row) - -select jsonb_path_query('[1,2,3,{"b": [3,4,5]}]', 'strict $.*'); -ERROR: jsonpath wildcard member accessor can only be applied to an object -select jsonb_path_query('[1,2,3,{"b": [3,4,5]}]', 'strict $.*', NULL, true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb '{"a": [1,2,3], "b": [3,4,5]}' @? '$.*'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,2,3]' @? '$.*'; - ?column? ----------- - f -(1 row) - -select jsonb '[1,2,3,{"b": [3,4,5]}]' @? 'lax $.*'; - ?column? ----------- - t -(1 row) - -select jsonb '[1,2,3,{"b": [3,4,5]}]' @? 'strict $.*'; - ?column? ----------- - -(1 row) - --- extension: boolean expressions -select jsonb_path_query('2', '$ > 1'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('2', '$ <= 1'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('2', '$ == "2"'); - jsonb_path_query ------------------- - null -(1 row) - -select jsonb '2' @? '$ == "2"'; - ?column? ----------- - t -(1 row) - -select jsonb '2' @@ '$ > 1'; - ?column? ----------- - t -(1 row) - -select jsonb '2' @@ '$ <= 1'; - ?column? ----------- - f -(1 row) - -select jsonb '2' @@ '$ == "2"'; - ?column? ----------- - -(1 row) - -select jsonb '2' @@ '1'; - ?column? ----------- - -(1 row) - -select jsonb '{}' @@ '$'; - ?column? ----------- - -(1 row) - -select jsonb '[]' @@ '$'; - ?column? ----------- - -(1 row) - -select jsonb '[1,2,3]' @@ '$[*]'; - ?column? ----------- - -(1 row) - -select jsonb '[]' @@ '$[*]'; - ?column? ----------- - -(1 row) - -select jsonb_path_match('[[1, true], [2, false]]', 'strict $[*] ? (@[0] > $x) [1]', '{"x": 1}'); - jsonb_path_match ------------------- - f -(1 row) - -select jsonb_path_match('[[1, true], [2, false]]', 'strict $[*] ? (@[0] < $x) [1]', '{"x": 2}'); - jsonb_path_match ------------------- - t -(1 row) - -select jsonb_path_match('[{"a": 1}, {"a": 2}, 3]', 'lax exists($[*].a)', silent => false); - jsonb_path_match ------------------- - t -(1 row) - -select jsonb_path_match('[{"a": 1}, {"a": 2}, 3]', 'lax exists($[*].a)', silent => true); - jsonb_path_match ------------------- - t -(1 row) - -select jsonb_path_match('[{"a": 1}, {"a": 2}, 3]', 'strict exists($[*].a)', silent => false); - jsonb_path_match ------------------- - -(1 row) - -select jsonb_path_match('[{"a": 1}, {"a": 2}, 3]', 'strict exists($[*].a)', silent => true); - jsonb_path_match ------------------- - -(1 row) - -select jsonb_path_query('[null,1,true,"a",[],{}]', '$.type()'); - jsonb_path_query ------------------- - "array" -(1 row) - -select jsonb_path_query('[null,1,true,"a",[],{}]', 'lax $.type()'); - jsonb_path_query ------------------- - "array" -(1 row) - -select jsonb_path_query('[null,1,true,"a",[],{}]', '$[*].type()'); - jsonb_path_query ------------------- - "null" - "number" - "boolean" - "string" - "array" - "object" -(6 rows) - -select jsonb_path_query('null', 'null.type()'); - jsonb_path_query ------------------- - "null" -(1 row) - -select jsonb_path_query('null', 'true.type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query('null', '(123).type()'); - jsonb_path_query ------------------- - "number" -(1 row) - -select jsonb_path_query('null', '"123".type()'); - jsonb_path_query ------------------- - "string" -(1 row) - -select jsonb_path_query('{"a": 2}', '($.a - 5).abs() + 10'); - jsonb_path_query ------------------- - 13 -(1 row) - -select jsonb_path_query('{"a": 2.5}', '-($.a * $.a).floor() % 4.3'); - jsonb_path_query ------------------- - -1.7 -(1 row) - -select jsonb_path_query('[1, 2, 3]', '($[*] > 2) ? (@ == true)'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('[1, 2, 3]', '($[*] > 3).type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query('[1, 2, 3]', '($[*].a > 3).type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query('[1, 2, 3]', 'strict ($[*].a > 3).type()'); - jsonb_path_query ------------------- - "null" -(1 row) - -select jsonb_path_query('[1,null,true,"11",[],[1],[1,2,3],{},{"a":1,"b":2}]', 'strict $[*].size()'); -ERROR: jsonpath item method .size() can only be applied to an array -select jsonb_path_query('[1,null,true,"11",[],[1],[1,2,3],{},{"a":1,"b":2}]', 'strict $[*].size()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[1,null,true,"11",[],[1],[1,2,3],{},{"a":1,"b":2}]', 'lax $[*].size()'); - jsonb_path_query ------------------- - 1 - 1 - 1 - 1 - 0 - 1 - 3 - 1 - 1 -(9 rows) - -select jsonb_path_query('[0, 1, -2, -3.4, 5.6]', '$[*].abs()'); - jsonb_path_query ------------------- - 0 - 1 - 2 - 3.4 - 5.6 -(5 rows) - -select jsonb_path_query('[0, 1, -2, -3.4, 5.6]', '$[*].floor()'); - jsonb_path_query ------------------- - 0 - 1 - -2 - -4 - 5 -(5 rows) - -select jsonb_path_query('[0, 1, -2, -3.4, 5.6]', '$[*].ceiling()'); - jsonb_path_query ------------------- - 0 - 1 - -2 - -3 - 6 -(5 rows) - -select jsonb_path_query('[0, 1, -2, -3.4, 5.6]', '$[*].ceiling().abs()'); - jsonb_path_query ------------------- - 0 - 1 - 2 - 3 - 6 -(5 rows) - -select jsonb_path_query('[0, 1, -2, -3.4, 5.6]', '$[*].ceiling().abs().type()'); - jsonb_path_query ------------------- - "number" - "number" - "number" - "number" - "number" -(5 rows) - -select jsonb_path_query('[{},1]', '$[*].keyvalue()'); -ERROR: jsonpath item method .keyvalue() can only be applied to an object -select jsonb_path_query('[{},1]', '$[*].keyvalue()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.keyvalue()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{"a": 1, "b": [1, 2], "c": {"a": "bbb"}}', '$.keyvalue()'); - jsonb_path_query ----------------------------------------------- - {"id": 0, "key": "a", "value": 1} - {"id": 0, "key": "b", "value": [1, 2]} - {"id": 0, "key": "c", "value": {"a": "bbb"}} -(3 rows) - -select jsonb_path_query('[{"a": 1, "b": [1, 2]}, {"c": {"a": "bbb"}}]', '$[*].keyvalue()'); - jsonb_path_query ------------------------------------------------ - {"id": 12, "key": "a", "value": 1} - {"id": 12, "key": "b", "value": [1, 2]} - {"id": 72, "key": "c", "value": {"a": "bbb"}} -(3 rows) - -select jsonb_path_query('[{"a": 1, "b": [1, 2]}, {"c": {"a": "bbb"}}]', 'strict $.keyvalue()'); -ERROR: jsonpath item method .keyvalue() can only be applied to an object -select jsonb_path_query('[{"a": 1, "b": [1, 2]}, {"c": {"a": "bbb"}}]', 'lax $.keyvalue()'); - jsonb_path_query ------------------------------------------------ - {"id": 12, "key": "a", "value": 1} - {"id": 12, "key": "b", "value": [1, 2]} - {"id": 72, "key": "c", "value": {"a": "bbb"}} -(3 rows) - -select jsonb_path_query('[{"a": 1, "b": [1, 2]}, {"c": {"a": "bbb"}}]', 'strict $.keyvalue().a'); -ERROR: jsonpath item method .keyvalue() can only be applied to an object -select jsonb '{"a": 1, "b": [1, 2]}' @? 'lax $.keyvalue()'; - ?column? ----------- - t -(1 row) - -select jsonb '{"a": 1, "b": [1, 2]}' @? 'lax $.keyvalue().key'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('null', '$.double()'); -ERROR: jsonpath item method .double() can only be applied to a string or numeric value -select jsonb_path_query('true', '$.double()'); -ERROR: jsonpath item method .double() can only be applied to a string or numeric value -select jsonb_path_query('null', '$.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.double()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.double()'); -ERROR: jsonpath item method .double() can only be applied to a string or numeric value -select jsonb_path_query('{}', '$.double()'); -ERROR: jsonpath item method .double() can only be applied to a string or numeric value -select jsonb_path_query('[]', 'strict $.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.double()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23"', '$.double()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.double()'); -ERROR: argument "1.23aaa" of jsonpath item method .double() is invalid for type double precision -select jsonb_path_query('1e1000', '$.double()'); -ERROR: argument "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" of jsonpath item method .double() is invalid for type double precision -select jsonb_path_query('"nan"', '$.double()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .double() -select jsonb_path_query('"NaN"', '$.double()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .double() -select jsonb_path_query('"inf"', '$.double()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .double() -select jsonb_path_query('"-inf"', '$.double()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .double() -select jsonb_path_query('"inf"', '$.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.double()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.abs()'); -ERROR: jsonpath item method .abs() can only be applied to a numeric value -select jsonb_path_query('true', '$.floor()'); -ERROR: jsonpath item method .floor() can only be applied to a numeric value -select jsonb_path_query('"1.2"', '$.ceiling()'); -ERROR: jsonpath item method .ceiling() can only be applied to a numeric value -select jsonb_path_query('{}', '$.abs()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.floor()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"1.2"', '$.ceiling()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('["", "a", "abc", "abcabc"]', '$[*] ? (@ starts with "abc")'); - jsonb_path_query ------------------- - "abc" - "abcabc" -(2 rows) - -select jsonb_path_query('["", "a", "abc", "abcabc"]', 'strict $ ? (@[*] starts with "abc")'); - jsonb_path_query ----------------------------- - ["", "a", "abc", "abcabc"] -(1 row) - -select jsonb_path_query('["", "a", "abd", "abdabc"]', 'strict $ ? (@[*] starts with "abc")'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('["abc", "abcabc", null, 1]', 'strict $ ? (@[*] starts with "abc")'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('["abc", "abcabc", null, 1]', 'strict $ ? ((@[*] starts with "abc") is unknown)'); - jsonb_path_query ----------------------------- - ["abc", "abcabc", null, 1] -(1 row) - -select jsonb_path_query('[[null, 1, "abc", "abcabc"]]', 'lax $ ? (@[*] starts with "abc")'); - jsonb_path_query ----------------------------- - [null, 1, "abc", "abcabc"] -(1 row) - -select jsonb_path_query('[[null, 1, "abd", "abdabc"]]', 'lax $ ? ((@[*] starts with "abc") is unknown)'); - jsonb_path_query ----------------------------- - [null, 1, "abd", "abdabc"] -(1 row) - -select jsonb_path_query('[null, 1, "abd", "abdabc"]', 'lax $[*] ? ((@ starts with "abc") is unknown)'); - jsonb_path_query ------------------- - null - 1 -(2 rows) - -select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "babc", "adc\nabc", "ab\nadc"]', 'lax $[*] ? (@ like_regex "^ab.*c")'); - jsonb_path_query ------------------- - "abc" - "abdacb" -(2 rows) - -select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "babc", "adc\nabc", "ab\nadc"]', 'lax $[*] ? (@ like_regex "^ab.*c" flag "i")'); - jsonb_path_query ------------------- - "abc" - "aBdC" - "abdacb" -(3 rows) - -select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "babc", "adc\nabc", "ab\nadc"]', 'lax $[*] ? (@ like_regex "^ab.*c" flag "m")'); - jsonb_path_query ------------------- - "abc" - "abdacb" - "adc\nabc" -(3 rows) - -select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "babc", "adc\nabc", "ab\nadc"]', 'lax $[*] ? (@ like_regex "^ab.*c" flag "s")'); - jsonb_path_query ------------------- - "abc" - "abdacb" - "ab\nadc" -(3 rows) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "q")'); - jsonb_path_query ------------------- - "a\\b" - "^a\\b$" -(2 rows) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "")'); - jsonb_path_query ------------------- - "a\b" -(1 row) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "q")'); - jsonb_path_query ------------------- - "^a\\b$" -(1 row) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "q")'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "iq")'); - jsonb_path_query ------------------- - "^a\\b$" -(1 row) - -select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "")'); - jsonb_path_query ------------------- - "a\b" -(1 row) - -select jsonb_path_query('null', '$.datetime()'); -ERROR: jsonpath item method .datetime() can only be applied to a string -select jsonb_path_query('true', '$.datetime()'); -ERROR: jsonpath item method .datetime() can only be applied to a string -select jsonb_path_query('1', '$.datetime()'); -ERROR: jsonpath item method .datetime() can only be applied to a string -select jsonb_path_query('[]', '$.datetime()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.datetime()'); -ERROR: jsonpath item method .datetime() can only be applied to a string -select jsonb_path_query('{}', '$.datetime()'); -ERROR: jsonpath item method .datetime() can only be applied to a string -select jsonb_path_query('"bogus"', '$.datetime()'); -ERROR: datetime format is not recognized: "bogus" -HINT: Use a datetime template argument to specify the input data format. -select jsonb_path_query('"12:34"', '$.datetime("aaa")'); -ERROR: invalid datetime format separator: "a" -select jsonb_path_query('"aaaa"', '$.datetime("HH24")'); -ERROR: invalid value "aa" for "HH24" -DETAIL: Value must be an integer. -select jsonb '"10-03-2017"' @? '$.datetime("dd-mm-yyyy")'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"10-03-2017"', '$.datetime("dd-mm-yyyy")'); - jsonb_path_query ------------------- - "2017-03-10" -(1 row) - -select jsonb_path_query('"10-03-2017"', '$.datetime("dd-mm-yyyy").type()'); - jsonb_path_query ------------------- - "date" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy")'); -ERROR: trailing characters remain in input string after datetime format -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy").type()'); -ERROR: trailing characters remain in input string after datetime format -select jsonb_path_query('"10-03-2017 12:34"', ' $.datetime("dd-mm-yyyy HH24:MI").type()'); - jsonb_path_query -------------------------------- - "timestamp without time zone" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 +05:20"', '$.datetime("dd-mm-yyyy HH24:MI TZH:TZM").type()'); - jsonb_path_query ----------------------------- - "timestamp with time zone" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.datetime("HH24:MI:SS").type()'); - jsonb_path_query --------------------------- - "time without time zone" -(1 row) - -select jsonb_path_query('"12:34:56 +05:20"', '$.datetime("HH24:MI:SS TZH:TZM").type()'); - jsonb_path_query ------------------------ - "time with time zone" -(1 row) - -select jsonb_path_query('"10-03-2017T12:34:56"', '$.datetime("dd-mm-yyyy\"T\"HH24:MI:SS")'); - jsonb_path_query ------------------------ - "2017-03-10T12:34:56" -(1 row) - -select jsonb_path_query('"10-03-2017t12:34:56"', '$.datetime("dd-mm-yyyy\"T\"HH24:MI:SS")'); -ERROR: unmatched format character "T" -select jsonb_path_query('"10-03-2017 12:34:56"', '$.datetime("dd-mm-yyyy\"T\"HH24:MI:SS")'); -ERROR: unmatched format character "T" --- Test .bigint() -select jsonb_path_query('null', '$.bigint()'); -ERROR: jsonpath item method .bigint() can only be applied to a string or numeric value -select jsonb_path_query('true', '$.bigint()'); -ERROR: jsonpath item method .bigint() can only be applied to a string or numeric value -select jsonb_path_query('null', '$.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.bigint()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.bigint()'); -ERROR: jsonpath item method .bigint() can only be applied to a string or numeric value -select jsonb_path_query('{}', '$.bigint()'); -ERROR: jsonpath item method .bigint() can only be applied to a string or numeric value -select jsonb_path_query('[]', 'strict $.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"1.23"', '$.bigint()'); -ERROR: argument "1.23" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"1.23aaa"', '$.bigint()'); -ERROR: argument "1.23aaa" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('1e1000', '$.bigint()'); -ERROR: argument "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"nan"', '$.bigint()'); -ERROR: argument "nan" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"NaN"', '$.bigint()'); -ERROR: argument "NaN" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"inf"', '$.bigint()'); -ERROR: argument "inf" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"-inf"', '$.bigint()'); -ERROR: argument "-inf" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"inf"', '$.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.bigint()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('123', '$.bigint()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('"123"', '$.bigint()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('1.23', '$.bigint()'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('1.83', '$.bigint()'); - jsonb_path_query ------------------- - 2 -(1 row) - -select jsonb_path_query('1234567890123', '$.bigint()'); - jsonb_path_query ------------------- - 1234567890123 -(1 row) - -select jsonb_path_query('"1234567890123"', '$.bigint()'); - jsonb_path_query ------------------- - 1234567890123 -(1 row) - -select jsonb_path_query('12345678901234567890', '$.bigint()'); -ERROR: argument "12345678901234567890" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"12345678901234567890"', '$.bigint()'); -ERROR: argument "12345678901234567890" of jsonpath item method .bigint() is invalid for type bigint -select jsonb_path_query('"+123"', '$.bigint()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('-123', '$.bigint()'); - jsonb_path_query ------------------- - -123 -(1 row) - -select jsonb_path_query('"-123"', '$.bigint()'); - jsonb_path_query ------------------- - -123 -(1 row) - -select jsonb_path_query('123', '$.bigint() * 2'); - jsonb_path_query ------------------- - 246 -(1 row) - --- Test .boolean() -select jsonb_path_query('null', '$.boolean()'); -ERROR: jsonpath item method .boolean() can only be applied to a boolean, string, or numeric value -select jsonb_path_query('null', '$.boolean()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.boolean()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.boolean()'); -ERROR: jsonpath item method .boolean() can only be applied to a boolean, string, or numeric value -select jsonb_path_query('{}', '$.boolean()'); -ERROR: jsonpath item method .boolean() can only be applied to a boolean, string, or numeric value -select jsonb_path_query('[]', 'strict $.boolean()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.boolean()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.boolean()'); -ERROR: argument "1.23" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"1.23"', '$.boolean()'); -ERROR: argument "1.23" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"1.23aaa"', '$.boolean()'); -ERROR: argument "1.23aaa" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('1e1000', '$.boolean()'); -ERROR: argument "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"nan"', '$.boolean()'); -ERROR: argument "nan" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"NaN"', '$.boolean()'); -ERROR: argument "NaN" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"inf"', '$.boolean()'); -ERROR: argument "inf" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"-inf"', '$.boolean()'); -ERROR: argument "-inf" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('"inf"', '$.boolean()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.boolean()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"100"', '$.boolean()'); -ERROR: argument "100" of jsonpath item method .boolean() is invalid for type boolean -select jsonb_path_query('true', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('false', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('1', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('0', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('-1', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('100', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"1"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"0"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('"true"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"false"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('"TRUE"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"FALSE"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('"yes"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"NO"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('"T"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"f"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('"y"', '$.boolean()'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('"N"', '$.boolean()'); - jsonb_path_query ------------------- - false -(1 row) - -select jsonb_path_query('true', '$.boolean().type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query('123', '$.boolean().type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query('"Yes"', '$.boolean().type()'); - jsonb_path_query ------------------- - "boolean" -(1 row) - -select jsonb_path_query_array('[1, "yes", false]', '$[*].boolean()'); - jsonb_path_query_array ------------------------- - [true, true, false] -(1 row) - --- Test .date() -select jsonb_path_query('null', '$.date()'); -ERROR: jsonpath item method .date() can only be applied to a string -select jsonb_path_query('true', '$.date()'); -ERROR: jsonpath item method .date() can only be applied to a string -select jsonb_path_query('1', '$.date()'); -ERROR: jsonpath item method .date() can only be applied to a string -select jsonb_path_query('[]', '$.date()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.date()'); -ERROR: jsonpath item method .date() can only be applied to a string -select jsonb_path_query('{}', '$.date()'); -ERROR: jsonpath item method .date() can only be applied to a string -select jsonb_path_query('"bogus"', '$.date()'); -ERROR: date format is not recognized: "bogus" -select jsonb '"2023-08-15"' @? '$.date()'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.date()'); - jsonb_path_query ------------------- - "2023-08-15" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.date().type()'); - jsonb_path_query ------------------- - "date" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.date()'); -ERROR: date format is not recognized: "12:34:56" -select jsonb_path_query('"12:34:56 +05:30"', '$.date()'); -ERROR: date format is not recognized: "12:34:56 +05:30" -select jsonb_path_query('"2023-08-15 12:34:56"', '$.date()'); - jsonb_path_query ------------------- - "2023-08-15" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.date()'); -ERROR: cannot convert value from timestamptz to date without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.date()'); -- should work - jsonb_path_query_tz ---------------------- - "2023-08-15" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.date(2)'); -ERROR: syntax error at or near "2" of jsonpath input -LINE 1: select jsonb_path_query('"2023-08-15"', '$.date(2)'); - ^ --- Test .decimal() -select jsonb_path_query('null', '$.decimal()'); -ERROR: jsonpath item method .decimal() can only be applied to a string or numeric value -select jsonb_path_query('true', '$.decimal()'); -ERROR: jsonpath item method .decimal() can only be applied to a string or numeric value -select jsonb_path_query('null', '$.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.decimal()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.decimal()'); -ERROR: jsonpath item method .decimal() can only be applied to a string or numeric value -select jsonb_path_query('{}', '$.decimal()'); -ERROR: jsonpath item method .decimal() can only be applied to a string or numeric value -select jsonb_path_query('[]', 'strict $.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.decimal()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23"', '$.decimal()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.decimal()'); -ERROR: argument "1.23aaa" of jsonpath item method .decimal() is invalid for type numeric -select jsonb_path_query('1e1000', '$.decimal()'); - jsonb_path_query -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -(1 row) - -select jsonb_path_query('"nan"', '$.decimal()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .decimal() -select jsonb_path_query('"NaN"', '$.decimal()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .decimal() -select jsonb_path_query('"inf"', '$.decimal()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .decimal() -select jsonb_path_query('"-inf"', '$.decimal()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .decimal() -select jsonb_path_query('"inf"', '$.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.decimal()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('123', '$.decimal()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('"123"', '$.decimal()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('12345678901234567890', '$.decimal()'); - jsonb_path_query ----------------------- - 12345678901234567890 -(1 row) - -select jsonb_path_query('"12345678901234567890"', '$.decimal()'); - jsonb_path_query ----------------------- - 12345678901234567890 -(1 row) - -select jsonb_path_query('"+12.3"', '$.decimal()'); - jsonb_path_query ------------------- - 12.3 -(1 row) - -select jsonb_path_query('-12.3', '$.decimal()'); - jsonb_path_query ------------------- - -12.3 -(1 row) - -select jsonb_path_query('"-12.3"', '$.decimal()'); - jsonb_path_query ------------------- - -12.3 -(1 row) - -select jsonb_path_query('12.3', '$.decimal() * 2'); - jsonb_path_query ------------------- - 24.6 -(1 row) - -select jsonb_path_query('12345.678', '$.decimal(6, 1)'); - jsonb_path_query ------------------- - 12345.7 -(1 row) - -select jsonb_path_query('12345.678', '$.decimal(6, 2)'); -ERROR: argument "12345.678" of jsonpath item method .decimal() is invalid for type numeric -select jsonb_path_query('1234.5678', '$.decimal(6, 2)'); - jsonb_path_query ------------------- - 1234.57 -(1 row) - -select jsonb_path_query('12345.678', '$.decimal(4, 6)'); -ERROR: argument "12345.678" of jsonpath item method .decimal() is invalid for type numeric -select jsonb_path_query('12345.678', '$.decimal(0, 6)'); -ERROR: NUMERIC precision 0 must be between 1 and 1000 -select jsonb_path_query('12345.678', '$.decimal(1001, 6)'); -ERROR: NUMERIC precision 1001 must be between 1 and 1000 -select jsonb_path_query('1234.5678', '$.decimal(+6, +2)'); - jsonb_path_query ------------------- - 1234.57 -(1 row) - -select jsonb_path_query('1234.5678', '$.decimal(+6, -2)'); - jsonb_path_query ------------------- - 1200 -(1 row) - -select jsonb_path_query('1234.5678', '$.decimal(-6, +2)'); -ERROR: NUMERIC precision -6 must be between 1 and 1000 -select jsonb_path_query('1234.5678', '$.decimal(6, -1001)'); -ERROR: NUMERIC scale -1001 must be between -1000 and 1000 -select jsonb_path_query('1234.5678', '$.decimal(6, 1001)'); -ERROR: NUMERIC scale 1001 must be between -1000 and 1000 -select jsonb_path_query('-1234.5678', '$.decimal(+6, -2)'); - jsonb_path_query ------------------- - -1200 -(1 row) - -select jsonb_path_query('0.0123456', '$.decimal(1,2)'); - jsonb_path_query ------------------- - 0.01 -(1 row) - -select jsonb_path_query('0.0012345', '$.decimal(2,4)'); - jsonb_path_query ------------------- - 0.0012 -(1 row) - -select jsonb_path_query('-0.00123456', '$.decimal(2,-4)'); - jsonb_path_query ------------------- - 0 -(1 row) - -select jsonb_path_query('12.3', '$.decimal(12345678901,1)'); -ERROR: precision of jsonpath item method .decimal() is out of range for type integer -select jsonb_path_query('12.3', '$.decimal(1,12345678901)'); -ERROR: scale of jsonpath item method .decimal() is out of range for type integer --- Test .integer() -select jsonb_path_query('null', '$.integer()'); -ERROR: jsonpath item method .integer() can only be applied to a string or numeric value -select jsonb_path_query('true', '$.integer()'); -ERROR: jsonpath item method .integer() can only be applied to a string or numeric value -select jsonb_path_query('null', '$.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.integer()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.integer()'); -ERROR: jsonpath item method .integer() can only be applied to a string or numeric value -select jsonb_path_query('{}', '$.integer()'); -ERROR: jsonpath item method .integer() can only be applied to a string or numeric value -select jsonb_path_query('[]', 'strict $.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"1.23"', '$.integer()'); -ERROR: argument "1.23" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"1.23aaa"', '$.integer()'); -ERROR: argument "1.23aaa" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('1e1000', '$.integer()'); -ERROR: argument "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"nan"', '$.integer()'); -ERROR: argument "nan" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"NaN"', '$.integer()'); -ERROR: argument "NaN" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"inf"', '$.integer()'); -ERROR: argument "inf" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"-inf"', '$.integer()'); -ERROR: argument "-inf" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"inf"', '$.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.integer()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('123', '$.integer()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('"123"', '$.integer()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('1.23', '$.integer()'); - jsonb_path_query ------------------- - 1 -(1 row) - -select jsonb_path_query('1.83', '$.integer()'); - jsonb_path_query ------------------- - 2 -(1 row) - -select jsonb_path_query('12345678901', '$.integer()'); -ERROR: argument "12345678901" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"12345678901"', '$.integer()'); -ERROR: argument "12345678901" of jsonpath item method .integer() is invalid for type integer -select jsonb_path_query('"+123"', '$.integer()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('-123', '$.integer()'); - jsonb_path_query ------------------- - -123 -(1 row) - -select jsonb_path_query('"-123"', '$.integer()'); - jsonb_path_query ------------------- - -123 -(1 row) - -select jsonb_path_query('123', '$.integer() * 2'); - jsonb_path_query ------------------- - 246 -(1 row) - --- Test .number() -select jsonb_path_query('null', '$.number()'); -ERROR: jsonpath item method .number() can only be applied to a string or numeric value -select jsonb_path_query('true', '$.number()'); -ERROR: jsonpath item method .number() can only be applied to a string or numeric value -select jsonb_path_query('null', '$.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('true', '$.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.number()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.number()'); -ERROR: jsonpath item method .number() can only be applied to a string or numeric value -select jsonb_path_query('{}', '$.number()'); -ERROR: jsonpath item method .number() can only be applied to a string or numeric value -select jsonb_path_query('[]', 'strict $.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.number()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23"', '$.number()'); - jsonb_path_query ------------------- - 1.23 -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.number()'); -ERROR: argument "1.23aaa" of jsonpath item method .number() is invalid for type numeric -select jsonb_path_query('1e1000', '$.number()'); - jsonb_path_query -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -(1 row) - -select jsonb_path_query('"nan"', '$.number()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .number() -select jsonb_path_query('"NaN"', '$.number()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .number() -select jsonb_path_query('"inf"', '$.number()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .number() -select jsonb_path_query('"-inf"', '$.number()'); -ERROR: NaN or Infinity is not allowed for jsonpath item method .number() -select jsonb_path_query('"inf"', '$.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('"-inf"', '$.number()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('123', '$.number()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('"123"', '$.number()'); - jsonb_path_query ------------------- - 123 -(1 row) - -select jsonb_path_query('12345678901234567890', '$.number()'); - jsonb_path_query ----------------------- - 12345678901234567890 -(1 row) - -select jsonb_path_query('"12345678901234567890"', '$.number()'); - jsonb_path_query ----------------------- - 12345678901234567890 -(1 row) - -select jsonb_path_query('"+12.3"', '$.number()'); - jsonb_path_query ------------------- - 12.3 -(1 row) - -select jsonb_path_query('-12.3', '$.number()'); - jsonb_path_query ------------------- - -12.3 -(1 row) - -select jsonb_path_query('"-12.3"', '$.number()'); - jsonb_path_query ------------------- - -12.3 -(1 row) - -select jsonb_path_query('12.3', '$.number() * 2'); - jsonb_path_query ------------------- - 24.6 -(1 row) - --- Test .string() -select jsonb_path_query('null', '$.string()'); -ERROR: jsonpath item method .string() can only be applied to a boolean, string, numeric, or datetime value -select jsonb_path_query('null', '$.string()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.string()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.string()'); -ERROR: jsonpath item method .string() can only be applied to a boolean, string, numeric, or datetime value -select jsonb_path_query('{}', '$.string()'); -ERROR: jsonpath item method .string() can only be applied to a boolean, string, numeric, or datetime value -select jsonb_path_query('[]', 'strict $.string()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.string()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.string()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23"', '$.string()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.string()'); - jsonb_path_query ------------------- - "1.23aaa" -(1 row) - -select jsonb_path_query('1234', '$.string()'); - jsonb_path_query ------------------- - "1234" -(1 row) - -select jsonb_path_query('true', '$.string()'); - jsonb_path_query ------------------- - "true" -(1 row) - -select jsonb_path_query('1234', '$.string().type()'); - jsonb_path_query ------------------- - "string" -(1 row) - -select jsonb_path_query('[2, true]', '$.string()'); - jsonb_path_query ------------------- - "2" - "true" -(2 rows) - -select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string()'); - jsonb_path_query_array --------------------------- - ["1.23", "yes", "false"] -(1 row) - -select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string().type()'); - jsonb_path_query_array --------------------------------- - ["string", "string", "string"] -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -- should work - jsonb_path_query_tz ------------------------ - "2023-08-15T00:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp_tz().string()'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz().string()'); -- should work - jsonb_path_query_tz ------------------------------ - "2023-08-15T12:34:56-07:00" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:56+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()'); - jsonb_path_query ------------------------ - "2023-08-15T12:34:56" -(1 row) - -select jsonb_path_query('"12:34:56 +5:30"', '$.time_tz().string()'); - jsonb_path_query ------------------- - "12:34:56+05:30" -(1 row) - --- this timetz usage will absorb the UTC offset of the current timezone setting -begin; -set local timezone = 'UTC-10'; -select jsonb_path_query_tz('"12:34:56"', '$.time_tz().string()'); - jsonb_path_query_tz ---------------------- - "12:34:56+10:00" -(1 row) - -rollback; -select jsonb_path_query('"12:34:56"', '$.time().string()'); - jsonb_path_query ------------------- - "12:34:56" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.date().string()'); - jsonb_path_query ------------------- - "2023-08-15" -(1 row) - --- .string() does not react to timezone or datestyle -begin; -set local timezone = 'UTC'; -set local datestyle = 'German'; -select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:56+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()'); - jsonb_path_query ------------------------ - "2023-08-15T12:34:56" -(1 row) - -rollback; --- test .ltrim() -select jsonb_path_query('" hello "', '$.ltrim(" ")'); - jsonb_path_query ------------------- - "hello " -(1 row) - -select jsonb_path_query('" hello "', '$.ltrim(" ")'); - jsonb_path_query ------------------- - "hello " -(1 row) - -select jsonb_path_query('" hello "', '$.ltrim()'); - jsonb_path_query ------------------- - "hello " -(1 row) - -select jsonb_path_query('"zzzytest"', '$.ltrim("xyz")'); - jsonb_path_query ------------------- - "test" -(1 row) - -select jsonb_path_query('null', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('null', '$.ltrim()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.ltrim()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('{}', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('[]', 'strict $.ltrim()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.ltrim()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('"1.23"', '$.ltrim()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.ltrim()'); - jsonb_path_query ------------------- - "1.23aaa" -(1 row) - -select jsonb_path_query('1234', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('true', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('1234', '$.ltrim().type()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query('[2, true]', '$.ltrim()'); -ERROR: jsonpath item method .ltrim() can only be applied to a string -select jsonb_path_query_array('[" maybe ", " yes", " no"]', '$[*].ltrim()'); - jsonb_path_query_array --------------------------- - ["maybe ", "yes", "no"] -(1 row) - -select jsonb_path_query_array('[" maybe ", " yes", " no"]', '$[*].ltrim().type()'); - jsonb_path_query_array --------------------------------- - ["string", "string", "string"] -(1 row) - --- test .rtrim() -select jsonb_path_query('" hello "', '$.rtrim(" ")'); - jsonb_path_query ------------------- - " hello" -(1 row) - -select jsonb_path_query('"testxxzx"', '$.rtrim("xyz")'); - jsonb_path_query ------------------- - "test" -(1 row) - -select jsonb_path_query('" hello "', '$.rtrim()'); - jsonb_path_query ------------------- - " hello" -(1 row) - -select jsonb_path_query('" hello "', '$.rtrim()'); - jsonb_path_query ------------------- - " hello" -(1 row) - --- test .btrim() -select jsonb_path_query('" hello "', '$.btrim(" ")'); - jsonb_path_query ------------------- - "hello" -(1 row) - -select jsonb_path_query('"xyxtrimyyx"', '$.btrim("xyz")'); - jsonb_path_query ------------------- - "trim" -(1 row) - -select jsonb_path_query('" hello "', '$.btrim()'); - jsonb_path_query ------------------- - "hello" -(1 row) - -select jsonb_path_query('" hello "', '$.btrim()'); - jsonb_path_query ------------------- - "hello" -(1 row) - --- test .lower() -select jsonb_path_query('null', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('null', '$.lower()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.lower()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('{}', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('[]', 'strict $.lower()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.lower()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('"1.23"', '$.lower()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.lower()'); - jsonb_path_query ------------------- - "1.23aaa" -(1 row) - -select jsonb_path_query('1234', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('true', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('1234', '$.lower().type()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query('[2, true]', '$.lower()'); -ERROR: jsonpath item method .lower() can only be applied to a string -select jsonb_path_query_array('["maybe", "yes", "no"]', '$[*].lower()'); - jsonb_path_query_array ------------------------- - ["maybe", "yes", "no"] -(1 row) - -select jsonb_path_query_array('["maybe", "yes", "no"]', '$[*].lower().type()'); - jsonb_path_query_array --------------------------------- - ["string", "string", "string"] -(1 row) - --- test .upper() -select jsonb_path_query('null', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('null', '$.upper()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.upper()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('{}', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('[]', 'strict $.upper()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.upper()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('"1.23"', '$.upper()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.upper()'); - jsonb_path_query ------------------- - "1.23AAA" -(1 row) - -select jsonb_path_query('1234', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('true', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('1234', '$.upper().type()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query('[2, true]', '$.upper()'); -ERROR: jsonpath item method .upper() can only be applied to a string -select jsonb_path_query_array('["maybe", "yes", "no"]', '$[*].upper()'); - jsonb_path_query_array ------------------------- - ["MAYBE", "YES", "NO"] -(1 row) - -select jsonb_path_query_array('["maybe", "yes", "no"]', '$[*].upper().type()'); - jsonb_path_query_array --------------------------------- - ["string", "string", "string"] -(1 row) - --- test .initcap() -select jsonb_path_query('null', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('null', '$.initcap()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', '$.initcap()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('{}', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('[]', 'strict $.initcap()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.initcap()', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('"1.23"', '$.initcap()'); - jsonb_path_query ------------------- - "1.23" -(1 row) - -select jsonb_path_query('"1.23aaa"', '$.initcap()'); - jsonb_path_query ------------------- - "1.23aaa" -(1 row) - -select jsonb_path_query('1234', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('true', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('1234', '$.initcap().type()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('[2, true]', '$.initcap()'); -ERROR: jsonpath item method .initcap() can only be applied to a string -select jsonb_path_query('["maybe yes", "probably no"]', '$.initcap()'); - jsonb_path_query ------------------- - "Maybe Yes" - "Probably No" -(2 rows) - --- Test .replace() -select jsonb_path_query('null', '$.replace("x", "bye")'); -ERROR: jsonpath item method .replace() can only be applied to a string -select jsonb_path_query('null', '$.replace("x", "bye")', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('["x", "y", "z"]', '$.replace("x", "bye")'); - jsonb_path_query ------------------- - "bye" - "y" - "z" -(3 rows) - -select jsonb_path_query('{}', '$.replace("x", "bye")'); -ERROR: jsonpath item method .replace() can only be applied to a string -select jsonb_path_query('[]', 'strict $.replace("x", "bye")', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('{}', '$.replace("x", "bye")', silent => true); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('1.23', '$.replace("x", "bye")'); -ERROR: jsonpath item method .replace() can only be applied to a string -select jsonb_path_query('"hello world"', '$.replace("hello","bye")'); - jsonb_path_query ------------------- - "bye world" -(1 row) - -select jsonb_path_query('"hello world"', '$.replace("hello","bye") starts with "bye"'); - jsonb_path_query ------------------- - true -(1 row) - --- Test .split_part() -select jsonb_path_query('"abc~@~def~@~ghi"', '$.split_part("~@~", 2)'); - jsonb_path_query ------------------- - "def" -(1 row) - -select jsonb_path_query('"abc,def,ghi,jkl"', '$.split_part(",", -2)'); - jsonb_path_query ------------------- - "ghi" -(1 row) - --- Test string methods play nicely together -select jsonb_path_query('"hello world"', '$.replace("hello","bye").upper()'); - jsonb_path_query ------------------- - "BYE WORLD" -(1 row) - -select jsonb_path_query('"hElLo WorlD"', '$.lower().upper().lower().replace("hello","bye")'); - jsonb_path_query ------------------- - "bye world" -(1 row) - -select jsonb_path_query('"hElLo WorlD"', '$.upper().lower().upper().replace("HELLO", "BYE")'); - jsonb_path_query ------------------- - "BYE WORLD" -(1 row) - -select jsonb_path_query('"hElLo WorlD"', '$.lower().upper().lower().replace("hello","bye") starts with "bye"'); - jsonb_path_query ------------------- - true -(1 row) - -select jsonb_path_query('" hElLo WorlD "', '$.btrim().lower().upper().lower().replace("hello","bye") starts with "bye"'); - jsonb_path_query ------------------- - true -(1 row) - --- Test .time() -select jsonb_path_query('null', '$.time()'); -ERROR: jsonpath item method .time() can only be applied to a string -select jsonb_path_query('true', '$.time()'); -ERROR: jsonpath item method .time() can only be applied to a string -select jsonb_path_query('1', '$.time()'); -ERROR: jsonpath item method .time() can only be applied to a string -select jsonb_path_query('[]', '$.time()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.time()'); -ERROR: jsonpath item method .time() can only be applied to a string -select jsonb_path_query('{}', '$.time()'); -ERROR: jsonpath item method .time() can only be applied to a string -select jsonb_path_query('"bogus"', '$.time()'); -ERROR: time format is not recognized: "bogus" -select jsonb '"12:34:56"' @? '$.time()'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"12:34:56"', '$.time()'); - jsonb_path_query ------------------- - "12:34:56" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.time().type()'); - jsonb_path_query --------------------------- - "time without time zone" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.time()'); -ERROR: time format is not recognized: "2023-08-15" -select jsonb_path_query('"12:34:56 +05:30"', '$.time()'); -ERROR: cannot convert value from timetz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"12:34:56 +05:30"', '$.time()'); -- should work - jsonb_path_query_tz ---------------------- - "12:34:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.time()'); - jsonb_path_query ------------------- - "12:34:56" -(1 row) - -select jsonb_path_query('"12:34:56.789"', '$.time(-1)'); -ERROR: syntax error at or near "-" of jsonpath input -LINE 1: select jsonb_path_query('"12:34:56.789"', '$.time(-1)'); - ^ -select jsonb_path_query('"12:34:56.789"', '$.time(2.0)'); -ERROR: syntax error at or near "2.0" of jsonpath input -LINE 1: select jsonb_path_query('"12:34:56.789"', '$.time(2.0)'); - ^ -select jsonb_path_query('"12:34:56.789"', '$.time(12345678901)'); -ERROR: time precision of jsonpath item method .time() is out of range for type integer -select jsonb_path_query('"12:34:56.789"', '$.time(0)'); - jsonb_path_query ------------------- - "12:34:57" -(1 row) - -select jsonb_path_query('"12:34:56.789"', '$.time(2)'); - jsonb_path_query ------------------- - "12:34:56.79" -(1 row) - -select jsonb_path_query('"12:34:56.789"', '$.time(5)'); - jsonb_path_query ------------------- - "12:34:56.789" -(1 row) - -select jsonb_path_query('"12:34:56.789"', '$.time(10)'); -WARNING: TIME(10) precision reduced to maximum allowed, 6 - jsonb_path_query ------------------- - "12:34:56.789" -(1 row) - -select jsonb_path_query('"12:34:56.789012"', '$.time(8)'); -WARNING: TIME(8) precision reduced to maximum allowed, 6 - jsonb_path_query -------------------- - "12:34:56.789012" -(1 row) - --- Test .time_tz() -select jsonb_path_query('null', '$.time_tz()'); -ERROR: jsonpath item method .time_tz() can only be applied to a string -select jsonb_path_query('true', '$.time_tz()'); -ERROR: jsonpath item method .time_tz() can only be applied to a string -select jsonb_path_query('1', '$.time_tz()'); -ERROR: jsonpath item method .time_tz() can only be applied to a string -select jsonb_path_query('[]', '$.time_tz()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.time_tz()'); -ERROR: jsonpath item method .time_tz() can only be applied to a string -select jsonb_path_query('{}', '$.time_tz()'); -ERROR: jsonpath item method .time_tz() can only be applied to a string -select jsonb_path_query('"bogus"', '$.time_tz()'); -ERROR: time_tz format is not recognized: "bogus" -select jsonb '"12:34:56 +05:30"' @? '$.time_tz()'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"12:34:56 +05:30"', '$.time_tz()'); - jsonb_path_query ------------------- - "12:34:56+05:30" -(1 row) - -select jsonb_path_query('"12:34:56 +05:30"', '$.time_tz().type()'); - jsonb_path_query ------------------------ - "time with time zone" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.time_tz()'); -ERROR: time_tz format is not recognized: "2023-08-15" -select jsonb_path_query('"2023-08-15 12:34:56"', '$.time_tz()'); -ERROR: time_tz format is not recognized: "2023-08-15 12:34:56" -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(-1)'); -ERROR: syntax error at or near "-" of jsonpath input -LINE 1: select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(... - ^ -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(2.0)'); -ERROR: syntax error at or near "2.0" of jsonpath input -LINE 1: select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(... - ^ -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(12345678901)'); -ERROR: time precision of jsonpath item method .time_tz() is out of range for type integer -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(0)'); - jsonb_path_query ------------------- - "12:34:57+05:30" -(1 row) - -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(2)'); - jsonb_path_query ---------------------- - "12:34:56.79+05:30" -(1 row) - -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(5)'); - jsonb_path_query ----------------------- - "12:34:56.789+05:30" -(1 row) - -select jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(10)'); -WARNING: TIME(10) WITH TIME ZONE precision reduced to maximum allowed, 6 - jsonb_path_query ----------------------- - "12:34:56.789+05:30" -(1 row) - -select jsonb_path_query('"12:34:56.789012 +05:30"', '$.time_tz(8)'); -WARNING: TIME(8) WITH TIME ZONE precision reduced to maximum allowed, 6 - jsonb_path_query -------------------------- - "12:34:56.789012+05:30" -(1 row) - --- Test .timestamp() -select jsonb_path_query('null', '$.timestamp()'); -ERROR: jsonpath item method .timestamp() can only be applied to a string -select jsonb_path_query('true', '$.timestamp()'); -ERROR: jsonpath item method .timestamp() can only be applied to a string -select jsonb_path_query('1', '$.timestamp()'); -ERROR: jsonpath item method .timestamp() can only be applied to a string -select jsonb_path_query('[]', '$.timestamp()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.timestamp()'); -ERROR: jsonpath item method .timestamp() can only be applied to a string -select jsonb_path_query('{}', '$.timestamp()'); -ERROR: jsonpath item method .timestamp() can only be applied to a string -select jsonb_path_query('"bogus"', '$.timestamp()'); -ERROR: timestamp format is not recognized: "bogus" -select jsonb '"2023-08-15 12:34:56"' @? '$.timestamp()'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp()'); - jsonb_path_query ------------------------ - "2023-08-15T12:34:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().type()'); - jsonb_path_query -------------------------------- - "timestamp without time zone" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.timestamp()'); - jsonb_path_query ------------------------ - "2023-08-15T00:00:00" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.timestamp()'); -ERROR: timestamp format is not recognized: "12:34:56" -select jsonb_path_query('"12:34:56 +05:30"', '$.timestamp()'); -ERROR: timestamp format is not recognized: "12:34:56 +05:30" -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(-1)'); -ERROR: syntax error at or near "-" of jsonpath input -LINE 1: ...ect jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timesta... - ^ -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(2.0)'); -ERROR: syntax error at or near "2.0" of jsonpath input -LINE 1: ...ect jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timesta... - ^ -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(12345678901)'); -ERROR: time precision of jsonpath item method .timestamp() is out of range for type integer -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(0)'); - jsonb_path_query ------------------------ - "2023-08-15T12:34:57" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(2)'); - jsonb_path_query --------------------------- - "2023-08-15T12:34:56.79" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(5)'); - jsonb_path_query ---------------------------- - "2023-08-15T12:34:56.789" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(10)'); -WARNING: TIMESTAMP(10) precision reduced to maximum allowed, 6 - jsonb_path_query ---------------------------- - "2023-08-15T12:34:56.789" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789012"', '$.timestamp(8)'); -WARNING: TIMESTAMP(8) precision reduced to maximum allowed, 6 - jsonb_path_query ------------------------------- - "2023-08-15T12:34:56.789012" -(1 row) - --- Test .timestamp_tz() -select jsonb_path_query('null', '$.timestamp_tz()'); -ERROR: jsonpath item method .timestamp_tz() can only be applied to a string -select jsonb_path_query('true', '$.timestamp_tz()'); -ERROR: jsonpath item method .timestamp_tz() can only be applied to a string -select jsonb_path_query('1', '$.timestamp_tz()'); -ERROR: jsonpath item method .timestamp_tz() can only be applied to a string -select jsonb_path_query('[]', '$.timestamp_tz()'); - jsonb_path_query ------------------- -(0 rows) - -select jsonb_path_query('[]', 'strict $.timestamp_tz()'); -ERROR: jsonpath item method .timestamp_tz() can only be applied to a string -select jsonb_path_query('{}', '$.timestamp_tz()'); -ERROR: jsonpath item method .timestamp_tz() can only be applied to a string -select jsonb_path_query('"bogus"', '$.timestamp_tz()'); -ERROR: timestamp_tz format is not recognized: "bogus" -select jsonb '"2023-08-15 12:34:56 +05:30"' @? '$.timestamp_tz()'; - ?column? ----------- - t -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp_tz()'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:56+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp_tz().type()'); - jsonb_path_query ----------------------------- - "timestamp with time zone" -(1 row) - -select jsonb_path_query('"2023-08-15"', '$.timestamp_tz()'); -ERROR: cannot convert value from date to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15"', '$.timestamp_tz()'); -- should work - jsonb_path_query_tz ------------------------------ - "2023-08-15T00:00:00-07:00" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.timestamp_tz()'); -ERROR: timestamp_tz format is not recognized: "12:34:56" -select jsonb_path_query('"12:34:56 +05:30"', '$.timestamp_tz()'); -ERROR: timestamp_tz format is not recognized: "12:34:56 +05:30" -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(-1)'); -ERROR: syntax error at or near "-" of jsonpath input -LINE 1: ...nb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timesta... - ^ -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(2.0)'); -ERROR: syntax error at or near "2.0" of jsonpath input -LINE 1: ...nb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timesta... - ^ -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(12345678901)'); -ERROR: time precision of jsonpath item method .timestamp_tz() is out of range for type integer -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(0)'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:57+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(2)'); - jsonb_path_query --------------------------------- - "2023-08-15T12:34:56.79+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(5)'); - jsonb_path_query ---------------------------------- - "2023-08-15T12:34:56.789+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(10)'); -WARNING: TIMESTAMP(10) WITH TIME ZONE precision reduced to maximum allowed, 6 - jsonb_path_query ---------------------------------- - "2023-08-15T12:34:56.789+05:30" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56.789012 +05:30"', '$.timestamp_tz(8)'); -WARNING: TIMESTAMP(8) WITH TIME ZONE precision reduced to maximum allowed, 6 - jsonb_path_query ------------------------------------- - "2023-08-15T12:34:56.789012+05:30" -(1 row) - -set time zone '+00'; -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time()'); -ERROR: cannot convert value from timestamptz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.time()'); -- should work - jsonb_path_query_tz ---------------------- - "07:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time_tz()'); - jsonb_path_query ------------------- - "07:04:56+00:00" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.time_tz()'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"12:34:56"', '$.time_tz()'); -- should work - jsonb_path_query_tz ---------------------- - "12:34:56+00:00" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -- should work - jsonb_path_query_tz ------------------------ - "2023-08-15T07:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp_tz()'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz()'); -- should work - jsonb_path_query_tz ------------------------------ - "2023-08-15T12:34:56+00:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy HH24:MI")'); - jsonb_path_query ------------------------ - "2017-03-10T12:34:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); -ERROR: input string is too short for datetime format -select jsonb_path_query('"10-03-2017 12:34 +05"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00+05:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 -05"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00-05:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 +05:20"', '$.datetime("dd-mm-yyyy HH24:MI TZH:TZM")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00+05:20" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 -05:20"', '$.datetime("dd-mm-yyyy HH24:MI TZH:TZM")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00-05:20" -(1 row) - -select jsonb_path_query('"12:34"', '$.datetime("HH24:MI")'); - jsonb_path_query ------------------- - "12:34:00" -(1 row) - -select jsonb_path_query('"12:34"', '$.datetime("HH24:MI TZH")'); -ERROR: input string is too short for datetime format -select jsonb_path_query('"12:34 +05"', '$.datetime("HH24:MI TZH")'); - jsonb_path_query ------------------- - "12:34:00+05:00" -(1 row) - -select jsonb_path_query('"12:34 -05"', '$.datetime("HH24:MI TZH")'); - jsonb_path_query ------------------- - "12:34:00-05:00" -(1 row) - -select jsonb_path_query('"12:34 +05:20"', '$.datetime("HH24:MI TZH:TZM")'); - jsonb_path_query ------------------- - "12:34:00+05:20" -(1 row) - -select jsonb_path_query('"12:34 -05:20"', '$.datetime("HH24:MI TZH:TZM")'); - jsonb_path_query ------------------- - "12:34:00-05:20" -(1 row) - -set time zone '+10'; -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time()'); -ERROR: cannot convert value from timestamptz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.time()'); -- should work - jsonb_path_query_tz ---------------------- - "17:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time_tz()'); - jsonb_path_query ------------------- - "17:04:56+10:00" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -- should work - jsonb_path_query_tz ------------------------ - "2023-08-15T17:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp_tz()'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz()'); -- should work - jsonb_path_query_tz ------------------------------ - "2023-08-15T12:34:56+10:00" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp_tz()'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:56+05:30" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy HH24:MI")'); - jsonb_path_query ------------------------ - "2017-03-10T12:34:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); -ERROR: input string is too short for datetime format -select jsonb_path_query('"10-03-2017 12:34 +05"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00+05:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 -05"', '$.datetime("dd-mm-yyyy HH24:MI TZH")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00-05:00" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 +05:20"', '$.datetime("dd-mm-yyyy HH24:MI TZH:TZM")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00+05:20" -(1 row) - -select jsonb_path_query('"10-03-2017 12:34 -05:20"', '$.datetime("dd-mm-yyyy HH24:MI TZH:TZM")'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:00-05:20" -(1 row) - -select jsonb_path_query('"12:34"', '$.datetime("HH24:MI")'); - jsonb_path_query ------------------- - "12:34:00" -(1 row) - -select jsonb_path_query('"12:34"', '$.datetime("HH24:MI TZH")'); -ERROR: input string is too short for datetime format -select jsonb_path_query('"12:34 +05"', '$.datetime("HH24:MI TZH")'); - jsonb_path_query ------------------- - "12:34:00+05:00" -(1 row) - -select jsonb_path_query('"12:34 -05"', '$.datetime("HH24:MI TZH")'); - jsonb_path_query ------------------- - "12:34:00-05:00" -(1 row) - -select jsonb_path_query('"12:34 +05:20"', '$.datetime("HH24:MI TZH:TZM")'); - jsonb_path_query ------------------- - "12:34:00+05:20" -(1 row) - -select jsonb_path_query('"12:34 -05:20"', '$.datetime("HH24:MI TZH:TZM")'); - jsonb_path_query ------------------- - "12:34:00-05:20" -(1 row) - -set time zone default; -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time()'); -ERROR: cannot convert value from timestamptz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.time()'); -- should work - jsonb_path_query_tz ---------------------- - "00:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.time_tz()'); - jsonb_path_query ------------------- - "00:04:56-07:00" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz('"2023-08-15 12:34:56 +05:30"', '$.timestamp()'); -- should work - jsonb_path_query_tz ------------------------ - "2023-08-15T00:04:56" -(1 row) - -select jsonb_path_query('"2023-08-15 12:34:56 +05:30"', '$.timestamp_tz()'); - jsonb_path_query ------------------------------ - "2023-08-15T12:34:56+05:30" -(1 row) - -select jsonb_path_query('"2017-03-10"', '$.datetime().type()'); - jsonb_path_query ------------------- - "date" -(1 row) - -select jsonb_path_query('"2017-03-10"', '$.datetime()'); - jsonb_path_query ------------------- - "2017-03-10" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56"', '$.datetime().type()'); - jsonb_path_query -------------------------------- - "timestamp without time zone" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56"', '$.datetime()'); - jsonb_path_query ------------------------ - "2017-03-10T12:34:56" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56+3"', '$.datetime().type()'); - jsonb_path_query ----------------------------- - "timestamp with time zone" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56+3"', '$.datetime()'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:56+03:00" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56+3:10"', '$.datetime().type()'); - jsonb_path_query ----------------------------- - "timestamp with time zone" -(1 row) - -select jsonb_path_query('"2017-03-10 12:34:56+3:10"', '$.datetime()'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:56+03:10" -(1 row) - -select jsonb_path_query('"2017-03-10T12:34:56+3:10"', '$.datetime()'); - jsonb_path_query ------------------------------ - "2017-03-10T12:34:56+03:10" -(1 row) - -select jsonb_path_query('"2017-03-10t12:34:56+3:10"', '$.datetime()'); -ERROR: datetime format is not recognized: "2017-03-10t12:34:56+3:10" -HINT: Use a datetime template argument to specify the input data format. -select jsonb_path_query('"2017-03-10 12:34:56.789+3:10"', '$.datetime()'); - jsonb_path_query ---------------------------------- - "2017-03-10T12:34:56.789+03:10" -(1 row) - -select jsonb_path_query('"2017-03-10T12:34:56.789+3:10"', '$.datetime()'); - jsonb_path_query ---------------------------------- - "2017-03-10T12:34:56.789+03:10" -(1 row) - -select jsonb_path_query('"2017-03-10t12:34:56.789+3:10"', '$.datetime()'); -ERROR: datetime format is not recognized: "2017-03-10t12:34:56.789+3:10" -HINT: Use a datetime template argument to specify the input data format. -select jsonb_path_query('"2017-03-10T12:34:56.789EST"', '$.datetime()'); - jsonb_path_query ---------------------------------- - "2017-03-10T12:34:56.789-05:00" -(1 row) - -select jsonb_path_query('"2017-03-10T12:34:56.789Z"', '$.datetime()'); - jsonb_path_query ---------------------------------- - "2017-03-10T12:34:56.789+00:00" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.datetime().type()'); - jsonb_path_query --------------------------- - "time without time zone" -(1 row) - -select jsonb_path_query('"12:34:56"', '$.datetime()'); - jsonb_path_query ------------------- - "12:34:56" -(1 row) - -select jsonb_path_query('"12:34:56+3"', '$.datetime().type()'); - jsonb_path_query ------------------------ - "time with time zone" -(1 row) - -select jsonb_path_query('"12:34:56+3"', '$.datetime()'); - jsonb_path_query ------------------- - "12:34:56+03:00" -(1 row) - -select jsonb_path_query('"12:34:56+3:10"', '$.datetime().type()'); - jsonb_path_query ------------------------ - "time with time zone" -(1 row) - -select jsonb_path_query('"12:34:56+3:10"', '$.datetime()'); - jsonb_path_query ------------------- - "12:34:56+03:10" -(1 row) - -set time zone '+00'; --- date comparison -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ == "10.03.2017".datetime("dd.mm.yyyy"))'); -ERROR: cannot convert value from date to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ >= "10.03.2017".datetime("dd.mm.yyyy"))'); -ERROR: cannot convert value from date to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ < "10.03.2017".datetime("dd.mm.yyyy"))'); -ERROR: cannot convert value from date to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ == "10.03.2017".datetime("dd.mm.yyyy"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10" - "2017-03-10T00:00:00" - "2017-03-10T03:00:00+03:00" -(3 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ >= "10.03.2017".datetime("dd.mm.yyyy"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10" - "2017-03-11" - "2017-03-10T00:00:00" - "2017-03-10T12:34:56" - "2017-03-10T03:00:00+03:00" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "12:34:56", "01:02:03+04", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ < "10.03.2017".datetime("dd.mm.yyyy"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-09" - "2017-03-10T01:02:03+04:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ == "2017-03-10".date())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10" - "2017-03-10T00:00:00" - "2017-03-10T03:00:00+03:00" -(3 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ >= "2017-03-10".date())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10" - "2017-03-11" - "2017-03-10T00:00:00" - "2017-03-10T12:34:56" - "2017-03-10T03:00:00+03:00" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].datetime() ? (@ < "2017-03-10".date())'); - jsonb_path_query_tz ------------------------------ - "2017-03-09" - "2017-03-10T01:02:03+04:00" -(2 rows) - -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ == "2017-03-10".date())'); -ERROR: cannot convert value from timestamptz to date without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ >= "2017-03-10".date())'); -ERROR: cannot convert value from timestamptz to date without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ < "2017-03-10".date())'); -ERROR: cannot convert value from timestamptz to date without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ == "2017-03-10".date())'); - jsonb_path_query_tz ---------------------- - "2017-03-10" - "2017-03-10" - "2017-03-10" - "2017-03-10" -(4 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ >= "2017-03-10".date())'); - jsonb_path_query_tz ---------------------- - "2017-03-10" - "2017-03-11" - "2017-03-10" - "2017-03-10" - "2017-03-10" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10", "2017-03-11", "2017-03-09", "2017-03-10 00:00:00", "2017-03-10 12:34:56", "2017-03-10 01:02:03+04", "2017-03-10 03:00:00+03"]', - '$[*].date() ? (@ < "2017-03-10".date())'); - jsonb_path_query_tz ---------------------- - "2017-03-09" - "2017-03-09" -(2 rows) - --- time comparison -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ == "12:35".datetime("HH24:MI"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ >= "12:35".datetime("HH24:MI"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ < "12:35".datetime("HH24:MI"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ == "12:35".datetime("HH24:MI"))'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:35:00+00:00" -(2 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ >= "12:35".datetime("HH24:MI"))'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:36:00" - "12:35:00+00:00" -(3 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ < "12:35".datetime("HH24:MI"))'); - jsonb_path_query_tz ---------------------- - "12:34:00" - "12:35:00+01:00" - "13:35:00+01:00" -(3 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ == "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:35:00+00:00" -(2 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ >= "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:36:00" - "12:35:00+00:00" -(3 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].datetime() ? (@ < "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:34:00" - "12:35:00+01:00" - "13:35:00+01:00" -(3 rows) - -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ == "12:35:00".time())'); -ERROR: cannot convert value from timetz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ >= "12:35:00".time())'); -ERROR: cannot convert value from timetz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ < "12:35:00".time())'); -ERROR: cannot convert value from timetz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00.123", "12:35:00.123", "12:36:00.1123", "12:35:00.1123+00", "12:35:00.123+01", "13:35:00.123+01", "2017-03-10 12:35:00.1", "2017-03-10 12:35:00.123+01"]', - '$[*].time(2) ? (@ >= "12:35:00.123".time(2))'); -ERROR: cannot convert value from timetz to time without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ == "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:35:00" - "12:35:00" - "12:35:00" -(4 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ >= "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:35:00" - "12:36:00" - "12:35:00" - "12:35:00" - "13:35:00" - "12:35:00" -(6 rows) - -select jsonb_path_query_tz( - '["12:34:00", "12:35:00", "12:36:00", "12:35:00+00", "12:35:00+01", "13:35:00+01", "2017-03-10 12:35:00", "2017-03-10 12:35:00+01"]', - '$[*].time() ? (@ < "12:35:00".time())'); - jsonb_path_query_tz ---------------------- - "12:34:00" - "11:35:00" -(2 rows) - -select jsonb_path_query_tz( - '["12:34:00.123", "12:35:00.123", "12:36:00.1123", "12:35:00.1123+00", "12:35:00.123+01", "13:35:00.123+01", "2017-03-10 12:35:00.1", "2017-03-10 12:35:00.123+01"]', - '$[*].time(2) ? (@ >= "12:35:00.123".time(2))'); - jsonb_path_query_tz ---------------------- - "12:35:00.12" - "12:36:00.11" - "12:35:00.12" - "13:35:00.12" -(4 rows) - --- timetz comparison -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ == "12:35 +1".datetime("HH24:MI TZH"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ >= "12:35 +1".datetime("HH24:MI TZH"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ < "12:35 +1".datetime("HH24:MI TZH"))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ == "12:35 +1".datetime("HH24:MI TZH"))'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" -(1 row) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ >= "12:35 +1".datetime("HH24:MI TZH"))'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" - "12:36:00+01:00" - "12:35:00-02:00" - "11:35:00" - "12:35:00" -(5 rows) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10", "2017-03-10 12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ < "12:35 +1".datetime("HH24:MI TZH"))'); - jsonb_path_query_tz ---------------------- - "12:34:00+01:00" - "12:35:00+02:00" - "10:35:00" -(3 rows) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ == "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" -(1 row) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ >= "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" - "12:36:00+01:00" - "12:35:00-02:00" - "11:35:00" - "12:35:00" -(5 rows) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].datetime() ? (@ < "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:34:00+01:00" - "12:35:00+02:00" - "10:35:00" -(3 rows) - -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ == "12:35:00 +1".time_tz())'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ >= "12:35:00 +1".time_tz())'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ < "12:35:00 +1".time_tz())'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["12:34:00.123+01", "12:35:00.123+01", "12:36:00.1123+01", "12:35:00.1123+02", "12:35:00.123-02", "10:35:00.123", "11:35:00.1", "12:35:00.123", "2017-03-10 12:35:00.123 +1"]', - '$[*].time_tz(2) ? (@ >= "12:35:00.123 +1".time_tz(2))'); -ERROR: cannot convert value from time to timetz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ == "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" -(1 row) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ >= "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:35:00+01:00" - "12:36:00+01:00" - "12:35:00-02:00" - "11:35:00+00:00" - "12:35:00+00:00" - "11:35:00+00:00" -(6 rows) - -select jsonb_path_query_tz( - '["12:34:00+01", "12:35:00+01", "12:36:00+01", "12:35:00+02", "12:35:00-02", "10:35:00", "11:35:00", "12:35:00", "2017-03-10 12:35:00 +1"]', - '$[*].time_tz() ? (@ < "12:35:00 +1".time_tz())'); - jsonb_path_query_tz ---------------------- - "12:34:00+01:00" - "12:35:00+02:00" - "10:35:00+00:00" -(3 rows) - -select jsonb_path_query_tz( - '["12:34:00.123+01", "12:35:00.123+01", "12:36:00.1123+01", "12:35:00.1123+02", "12:35:00.123-02", "10:35:00.123", "11:35:00.1", "12:35:00.123", "2017-03-10 12:35:00.123 +1"]', - '$[*].time_tz(2) ? (@ >= "12:35:00.123 +1".time_tz(2))'); - jsonb_path_query_tz ---------------------- - "12:35:00.12+01:00" - "12:36:00.11+01:00" - "12:35:00.12-02:00" - "12:35:00.12+00:00" - "11:35:00.12+00:00" -(5 rows) - --- timestamp comparison -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ == "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ >= "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ < "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ == "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00" - "2017-03-10T13:35:00+01:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ >= "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00" - "2017-03-10T12:36:00" - "2017-03-10T13:35:00+01:00" - "2017-03-10T12:35:00-01:00" - "2017-03-11" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ < "10.03.2017 12:35".datetime("dd.mm.yyyy HH24:MI"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:34:00" - "2017-03-10T12:35:00+01:00" - "2017-03-10" -(3 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ == "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00" - "2017-03-10T13:35:00+01:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ >= "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00" - "2017-03-10T12:36:00" - "2017-03-10T13:35:00+01:00" - "2017-03-10T12:35:00-01:00" - "2017-03-11" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ < "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:34:00" - "2017-03-10T12:35:00+01:00" - "2017-03-10" -(3 rows) - -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ == "2017-03-10 12:35:00".timestamp())'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ >= "2017-03-10 12:35:00".timestamp())'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ < "2017-03-10 12:35:00".timestamp())'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00.123", "2017-03-10 12:35:00.123", "2017-03-10 12:36:00.1123", "2017-03-10 12:35:00.1123+01", "2017-03-10 13:35:00.123+01", "2017-03-10 12:35:00.1-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp(2) ? (@ >= "2017-03-10 12:35:00.123".timestamp(2))'); -ERROR: cannot convert value from timestamptz to timestamp without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ == "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------ - "2017-03-10T12:35:00" - "2017-03-10T12:35:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ >= "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------ - "2017-03-10T12:35:00" - "2017-03-10T12:36:00" - "2017-03-10T12:35:00" - "2017-03-10T13:35:00" - "2017-03-11T00:00:00" -(5 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00", "2017-03-10 12:35:00", "2017-03-10 12:36:00", "2017-03-10 12:35:00+01", "2017-03-10 13:35:00+01", "2017-03-10 12:35:00-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp() ? (@ < "2017-03-10 12:35:00".timestamp())'); - jsonb_path_query_tz ------------------------ - "2017-03-10T12:34:00" - "2017-03-10T11:35:00" - "2017-03-10T00:00:00" -(3 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00.123", "2017-03-10 12:35:00.123", "2017-03-10 12:36:00.1123", "2017-03-10 12:35:00.1123+01", "2017-03-10 13:35:00.123+01", "2017-03-10 12:35:00.1-01", "2017-03-10", "2017-03-11"]', - '$[*].timestamp(2) ? (@ >= "2017-03-10 12:35:00.123".timestamp(2))'); - jsonb_path_query_tz --------------------------- - "2017-03-10T12:35:00.12" - "2017-03-10T12:36:00.11" - "2017-03-10T12:35:00.12" - "2017-03-10T13:35:00.1" - "2017-03-11T00:00:00" -(5 rows) - --- timestamptz comparison -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ == "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ >= "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ < "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ == "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T11:35:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ >= "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T12:36:00+01:00" - "2017-03-10T12:35:00-02:00" - "2017-03-10T11:35:00" - "2017-03-10T12:35:00" - "2017-03-11" -(6 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11", "12:34:56", "12:34:56+01"]', - '$[*].datetime() ? (@ < "10.03.2017 12:35 +1".datetime("dd.mm.yyyy HH24:MI TZH"))'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:34:00+01:00" - "2017-03-10T12:35:00+02:00" - "2017-03-10T10:35:00" - "2017-03-10" -(4 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ == "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T11:35:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ >= "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T12:36:00+01:00" - "2017-03-10T12:35:00-02:00" - "2017-03-10T11:35:00" - "2017-03-10T12:35:00" - "2017-03-11" -(6 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].datetime() ? (@ < "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:34:00+01:00" - "2017-03-10T12:35:00+02:00" - "2017-03-10T10:35:00" - "2017-03-10" -(4 rows) - -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ == "2017-03-10 12:35:00 +1".timestamp_tz())'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ >= "2017-03-10 12:35:00 +1".timestamp_tz())'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ < "2017-03-10 12:35:00 +1".timestamp_tz())'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query( - '["2017-03-10 12:34:00.123+01", "2017-03-10 12:35:00.123+01", "2017-03-10 12:36:00.1123+01", "2017-03-10 12:35:00.1123+02", "2017-03-10 12:35:00.123-02", "2017-03-10 10:35:00.123", "2017-03-10 11:35:00.1", "2017-03-10 12:35:00.123", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz(2) ? (@ >= "2017-03-10 12:35:00.123 +1".timestamp_tz(2))'); -ERROR: cannot convert value from timestamp to timestamptz without time zone usage -HINT: Use *_tz() function for time zone support. -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ == "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T11:35:00+00:00" -(2 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ >= "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:35:00+01:00" - "2017-03-10T12:36:00+01:00" - "2017-03-10T12:35:00-02:00" - "2017-03-10T11:35:00+00:00" - "2017-03-10T12:35:00+00:00" - "2017-03-11T00:00:00+00:00" -(6 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00+01", "2017-03-10 12:35:00+01", "2017-03-10 12:36:00+01", "2017-03-10 12:35:00+02", "2017-03-10 12:35:00-02", "2017-03-10 10:35:00", "2017-03-10 11:35:00", "2017-03-10 12:35:00", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz() ? (@ < "2017-03-10 12:35:00 +1".timestamp_tz())'); - jsonb_path_query_tz ------------------------------ - "2017-03-10T12:34:00+01:00" - "2017-03-10T12:35:00+02:00" - "2017-03-10T10:35:00+00:00" - "2017-03-10T00:00:00+00:00" -(4 rows) - -select jsonb_path_query_tz( - '["2017-03-10 12:34:00.123+01", "2017-03-10 12:35:00.123+01", "2017-03-10 12:36:00.1123+01", "2017-03-10 12:35:00.1123+02", "2017-03-10 12:35:00.123-02", "2017-03-10 10:35:00.123", "2017-03-10 11:35:00.1", "2017-03-10 12:35:00.123", "2017-03-10", "2017-03-11"]', - '$[*].timestamp_tz(2) ? (@ >= "2017-03-10 12:35:00.123 +1".timestamp_tz(2))'); - jsonb_path_query_tz --------------------------------- - "2017-03-10T12:35:00.12+01:00" - "2017-03-10T12:36:00.11+01:00" - "2017-03-10T12:35:00.12-02:00" - "2017-03-10T12:35:00.12+00:00" - "2017-03-11T00:00:00+00:00" -(5 rows) - --- overflow during comparison -select jsonb_path_query('"1000000-01-01"', '$.datetime() > "2020-01-01 12:00:00".datetime()'::jsonpath); - jsonb_path_query ------------------- - true -(1 row) - -set time zone default; --- jsonpath operators -SELECT jsonb_path_query('[{"a": 1}, {"a": 2}]', '$[*]'); - jsonb_path_query ------------------- - {"a": 1} - {"a": 2} -(2 rows) - -SELECT jsonb_path_query('[{"a": 1}, {"a": 2}]', '$[*] ? (@.a > 10)'); - jsonb_path_query ------------------- -(0 rows) - -SELECT jsonb_path_query('[{"a": 1}]', '$undefined_var'); -ERROR: could not find jsonpath variable "undefined_var" -SELECT jsonb_path_query('[{"a": 1}]', 'false'); - jsonb_path_query ------------------- - false -(1 row) - -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}, {}]', 'strict $[*].a'); -ERROR: JSON object does not contain key "a" -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}]', '$[*].a'); - jsonb_path_query_array ------------------------- - [1, 2] -(1 row) - -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}]', '$[*].a ? (@ == 1)'); - jsonb_path_query_array ------------------------- - [1] -(1 row) - -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}]', '$[*].a ? (@ > 10)'); - jsonb_path_query_array ------------------------- - [] -(1 row) - -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*].a ? (@ > $min && @ < $max)', vars => '{"min": 1, "max": 4}'); - jsonb_path_query_array ------------------------- - [2, 3] -(1 row) - -SELECT jsonb_path_query_array('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*].a ? (@ > $min && @ < $max)', vars => '{"min": 3, "max": 4}'); - jsonb_path_query_array ------------------------- - [] -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}, {}]', 'strict $[*].a'); -ERROR: JSON object does not contain key "a" -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}, {}]', 'strict $[*].a', silent => true); - jsonb_path_query_first ------------------------- - 1 -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}]', '$[*].a'); - jsonb_path_query_first ------------------------- - 1 -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}]', '$[*].a ? (@ == 1)'); - jsonb_path_query_first ------------------------- - 1 -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}]', '$[*].a ? (@ > 10)'); - jsonb_path_query_first ------------------------- - -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*].a ? (@ > $min && @ < $max)', vars => '{"min": 1, "max": 4}'); - jsonb_path_query_first ------------------------- - 2 -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*].a ? (@ > $min && @ < $max)', vars => '{"min": 3, "max": 4}'); - jsonb_path_query_first ------------------------- - -(1 row) - -SELECT jsonb_path_query_first('[{"a": 1}]', '$undefined_var'); -ERROR: could not find jsonpath variable "undefined_var" -SELECT jsonb_path_query_first('[{"a": 1}]', 'false'); - jsonb_path_query_first ------------------------- - false -(1 row) - -SELECT jsonb '[{"a": 1}, {"a": 2}]' @? '$[*].a ? (@ > 1)'; - ?column? ----------- - t -(1 row) - -SELECT jsonb '[{"a": 1}, {"a": 2}]' @? '$[*] ? (@.a > 2)'; - ?column? ----------- - f -(1 row) - -SELECT jsonb_path_exists('[{"a": 1}, {"a": 2}]', '$[*].a ? (@ > 1)'); - jsonb_path_exists -------------------- - t -(1 row) - -SELECT jsonb_path_exists('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*] ? (@.a > $min && @.a < $max)', vars => '{"min": 1, "max": 4}'); - jsonb_path_exists -------------------- - t -(1 row) - -SELECT jsonb_path_exists('[{"a": 1}, {"a": 2}, {"a": 3}, {"a": 5}]', '$[*] ? (@.a > $min && @.a < $max)', vars => '{"min": 3, "max": 4}'); - jsonb_path_exists -------------------- - f -(1 row) - -SELECT jsonb_path_exists('[{"a": 1}]', '$undefined_var'); -ERROR: could not find jsonpath variable "undefined_var" -SELECT jsonb_path_exists('[{"a": 1}]', 'false'); - jsonb_path_exists -------------------- - t -(1 row) - -SELECT jsonb_path_match('true', '$', silent => false); - jsonb_path_match ------------------- - t -(1 row) - -SELECT jsonb_path_match('false', '$', silent => false); - jsonb_path_match ------------------- - f -(1 row) - -SELECT jsonb_path_match('null', '$', silent => false); - jsonb_path_match ------------------- - -(1 row) - -SELECT jsonb_path_match('1', '$', silent => true); - jsonb_path_match ------------------- - -(1 row) - -SELECT jsonb_path_match('1', '$', silent => false); -ERROR: single boolean result is expected -SELECT jsonb_path_match('"a"', '$', silent => false); -ERROR: single boolean result is expected -SELECT jsonb_path_match('{}', '$', silent => false); -ERROR: single boolean result is expected -SELECT jsonb_path_match('[true]', '$', silent => false); -ERROR: single boolean result is expected -SELECT jsonb_path_match('{}', 'lax $.a', silent => false); -ERROR: single boolean result is expected -SELECT jsonb_path_match('{}', 'strict $.a', silent => false); -ERROR: JSON object does not contain key "a" -SELECT jsonb_path_match('{}', 'strict $.a', silent => true); - jsonb_path_match ------------------- - -(1 row) - -SELECT jsonb_path_match('[true, true]', '$[*]', silent => false); -ERROR: single boolean result is expected -SELECT jsonb '[{"a": 1}, {"a": 2}]' @@ '$[*].a > 1'; - ?column? ----------- - t -(1 row) - -SELECT jsonb '[{"a": 1}, {"a": 2}]' @@ '$[*].a > 2'; - ?column? ----------- - f -(1 row) - -SELECT jsonb_path_match('[{"a": 1}, {"a": 2}]', '$[*].a > 1'); - jsonb_path_match ------------------- - t -(1 row) - -SELECT jsonb_path_match('[{"a": 1}]', '$undefined_var'); -ERROR: could not find jsonpath variable "undefined_var" -SELECT jsonb_path_match('[{"a": 1}]', 'false'); - jsonb_path_match ------------------- - f -(1 row) - --- test string comparison (Unicode codepoint collation) -WITH str(j, num) AS -( - SELECT jsonb_build_object('s', s), num - FROM unnest('{"", "a", "ab", "abc", "abcd", "b", "A", "AB", "ABC", "ABc", "ABcD", "B"}'::text[]) WITH ORDINALITY AS a(s, num) -) -SELECT - s1.j, s2.j, - jsonb_path_query_first(s1.j, '$.s < $s', vars => s2.j) lt, - jsonb_path_query_first(s1.j, '$.s <= $s', vars => s2.j) le, - jsonb_path_query_first(s1.j, '$.s == $s', vars => s2.j) eq, - jsonb_path_query_first(s1.j, '$.s >= $s', vars => s2.j) ge, - jsonb_path_query_first(s1.j, '$.s > $s', vars => s2.j) gt -FROM str s1, str s2 -ORDER BY s1.num, s2.num; - j | j | lt | le | eq | ge | gt ----------------+---------------+-------+-------+-------+-------+------- - {"s": ""} | {"s": ""} | false | true | true | true | false - {"s": ""} | {"s": "a"} | true | true | false | false | false - {"s": ""} | {"s": "ab"} | true | true | false | false | false - {"s": ""} | {"s": "abc"} | true | true | false | false | false - {"s": ""} | {"s": "abcd"} | true | true | false | false | false - {"s": ""} | {"s": "b"} | true | true | false | false | false - {"s": ""} | {"s": "A"} | true | true | false | false | false - {"s": ""} | {"s": "AB"} | true | true | false | false | false - {"s": ""} | {"s": "ABC"} | true | true | false | false | false - {"s": ""} | {"s": "ABc"} | true | true | false | false | false - {"s": ""} | {"s": "ABcD"} | true | true | false | false | false - {"s": ""} | {"s": "B"} | true | true | false | false | false - {"s": "a"} | {"s": ""} | false | false | false | true | true - {"s": "a"} | {"s": "a"} | false | true | true | true | false - {"s": "a"} | {"s": "ab"} | true | true | false | false | false - {"s": "a"} | {"s": "abc"} | true | true | false | false | false - {"s": "a"} | {"s": "abcd"} | true | true | false | false | false - {"s": "a"} | {"s": "b"} | true | true | false | false | false - {"s": "a"} | {"s": "A"} | false | false | false | true | true - {"s": "a"} | {"s": "AB"} | false | false | false | true | true - {"s": "a"} | {"s": "ABC"} | false | false | false | true | true - {"s": "a"} | {"s": "ABc"} | false | false | false | true | true - {"s": "a"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "a"} | {"s": "B"} | false | false | false | true | true - {"s": "ab"} | {"s": ""} | false | false | false | true | true - {"s": "ab"} | {"s": "a"} | false | false | false | true | true - {"s": "ab"} | {"s": "ab"} | false | true | true | true | false - {"s": "ab"} | {"s": "abc"} | true | true | false | false | false - {"s": "ab"} | {"s": "abcd"} | true | true | false | false | false - {"s": "ab"} | {"s": "b"} | true | true | false | false | false - {"s": "ab"} | {"s": "A"} | false | false | false | true | true - {"s": "ab"} | {"s": "AB"} | false | false | false | true | true - {"s": "ab"} | {"s": "ABC"} | false | false | false | true | true - {"s": "ab"} | {"s": "ABc"} | false | false | false | true | true - {"s": "ab"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "ab"} | {"s": "B"} | false | false | false | true | true - {"s": "abc"} | {"s": ""} | false | false | false | true | true - {"s": "abc"} | {"s": "a"} | false | false | false | true | true - {"s": "abc"} | {"s": "ab"} | false | false | false | true | true - {"s": "abc"} | {"s": "abc"} | false | true | true | true | false - {"s": "abc"} | {"s": "abcd"} | true | true | false | false | false - {"s": "abc"} | {"s": "b"} | true | true | false | false | false - {"s": "abc"} | {"s": "A"} | false | false | false | true | true - {"s": "abc"} | {"s": "AB"} | false | false | false | true | true - {"s": "abc"} | {"s": "ABC"} | false | false | false | true | true - {"s": "abc"} | {"s": "ABc"} | false | false | false | true | true - {"s": "abc"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "abc"} | {"s": "B"} | false | false | false | true | true - {"s": "abcd"} | {"s": ""} | false | false | false | true | true - {"s": "abcd"} | {"s": "a"} | false | false | false | true | true - {"s": "abcd"} | {"s": "ab"} | false | false | false | true | true - {"s": "abcd"} | {"s": "abc"} | false | false | false | true | true - {"s": "abcd"} | {"s": "abcd"} | false | true | true | true | false - {"s": "abcd"} | {"s": "b"} | true | true | false | false | false - {"s": "abcd"} | {"s": "A"} | false | false | false | true | true - {"s": "abcd"} | {"s": "AB"} | false | false | false | true | true - {"s": "abcd"} | {"s": "ABC"} | false | false | false | true | true - {"s": "abcd"} | {"s": "ABc"} | false | false | false | true | true - {"s": "abcd"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "abcd"} | {"s": "B"} | false | false | false | true | true - {"s": "b"} | {"s": ""} | false | false | false | true | true - {"s": "b"} | {"s": "a"} | false | false | false | true | true - {"s": "b"} | {"s": "ab"} | false | false | false | true | true - {"s": "b"} | {"s": "abc"} | false | false | false | true | true - {"s": "b"} | {"s": "abcd"} | false | false | false | true | true - {"s": "b"} | {"s": "b"} | false | true | true | true | false - {"s": "b"} | {"s": "A"} | false | false | false | true | true - {"s": "b"} | {"s": "AB"} | false | false | false | true | true - {"s": "b"} | {"s": "ABC"} | false | false | false | true | true - {"s": "b"} | {"s": "ABc"} | false | false | false | true | true - {"s": "b"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "b"} | {"s": "B"} | false | false | false | true | true - {"s": "A"} | {"s": ""} | false | false | false | true | true - {"s": "A"} | {"s": "a"} | true | true | false | false | false - {"s": "A"} | {"s": "ab"} | true | true | false | false | false - {"s": "A"} | {"s": "abc"} | true | true | false | false | false - {"s": "A"} | {"s": "abcd"} | true | true | false | false | false - {"s": "A"} | {"s": "b"} | true | true | false | false | false - {"s": "A"} | {"s": "A"} | false | true | true | true | false - {"s": "A"} | {"s": "AB"} | true | true | false | false | false - {"s": "A"} | {"s": "ABC"} | true | true | false | false | false - {"s": "A"} | {"s": "ABc"} | true | true | false | false | false - {"s": "A"} | {"s": "ABcD"} | true | true | false | false | false - {"s": "A"} | {"s": "B"} | true | true | false | false | false - {"s": "AB"} | {"s": ""} | false | false | false | true | true - {"s": "AB"} | {"s": "a"} | true | true | false | false | false - {"s": "AB"} | {"s": "ab"} | true | true | false | false | false - {"s": "AB"} | {"s": "abc"} | true | true | false | false | false - {"s": "AB"} | {"s": "abcd"} | true | true | false | false | false - {"s": "AB"} | {"s": "b"} | true | true | false | false | false - {"s": "AB"} | {"s": "A"} | false | false | false | true | true - {"s": "AB"} | {"s": "AB"} | false | true | true | true | false - {"s": "AB"} | {"s": "ABC"} | true | true | false | false | false - {"s": "AB"} | {"s": "ABc"} | true | true | false | false | false - {"s": "AB"} | {"s": "ABcD"} | true | true | false | false | false - {"s": "AB"} | {"s": "B"} | true | true | false | false | false - {"s": "ABC"} | {"s": ""} | false | false | false | true | true - {"s": "ABC"} | {"s": "a"} | true | true | false | false | false - {"s": "ABC"} | {"s": "ab"} | true | true | false | false | false - {"s": "ABC"} | {"s": "abc"} | true | true | false | false | false - {"s": "ABC"} | {"s": "abcd"} | true | true | false | false | false - {"s": "ABC"} | {"s": "b"} | true | true | false | false | false - {"s": "ABC"} | {"s": "A"} | false | false | false | true | true - {"s": "ABC"} | {"s": "AB"} | false | false | false | true | true - {"s": "ABC"} | {"s": "ABC"} | false | true | true | true | false - {"s": "ABC"} | {"s": "ABc"} | true | true | false | false | false - {"s": "ABC"} | {"s": "ABcD"} | true | true | false | false | false - {"s": "ABC"} | {"s": "B"} | true | true | false | false | false - {"s": "ABc"} | {"s": ""} | false | false | false | true | true - {"s": "ABc"} | {"s": "a"} | true | true | false | false | false - {"s": "ABc"} | {"s": "ab"} | true | true | false | false | false - {"s": "ABc"} | {"s": "abc"} | true | true | false | false | false - {"s": "ABc"} | {"s": "abcd"} | true | true | false | false | false - {"s": "ABc"} | {"s": "b"} | true | true | false | false | false - {"s": "ABc"} | {"s": "A"} | false | false | false | true | true - {"s": "ABc"} | {"s": "AB"} | false | false | false | true | true - {"s": "ABc"} | {"s": "ABC"} | false | false | false | true | true - {"s": "ABc"} | {"s": "ABc"} | false | true | true | true | false - {"s": "ABc"} | {"s": "ABcD"} | true | true | false | false | false - {"s": "ABc"} | {"s": "B"} | true | true | false | false | false - {"s": "ABcD"} | {"s": ""} | false | false | false | true | true - {"s": "ABcD"} | {"s": "a"} | true | true | false | false | false - {"s": "ABcD"} | {"s": "ab"} | true | true | false | false | false - {"s": "ABcD"} | {"s": "abc"} | true | true | false | false | false - {"s": "ABcD"} | {"s": "abcd"} | true | true | false | false | false - {"s": "ABcD"} | {"s": "b"} | true | true | false | false | false - {"s": "ABcD"} | {"s": "A"} | false | false | false | true | true - {"s": "ABcD"} | {"s": "AB"} | false | false | false | true | true - {"s": "ABcD"} | {"s": "ABC"} | false | false | false | true | true - {"s": "ABcD"} | {"s": "ABc"} | false | false | false | true | true - {"s": "ABcD"} | {"s": "ABcD"} | false | true | true | true | false - {"s": "ABcD"} | {"s": "B"} | true | true | false | false | false - {"s": "B"} | {"s": ""} | false | false | false | true | true - {"s": "B"} | {"s": "a"} | true | true | false | false | false - {"s": "B"} | {"s": "ab"} | true | true | false | false | false - {"s": "B"} | {"s": "abc"} | true | true | false | false | false - {"s": "B"} | {"s": "abcd"} | true | true | false | false | false - {"s": "B"} | {"s": "b"} | true | true | false | false | false - {"s": "B"} | {"s": "A"} | false | false | false | true | true - {"s": "B"} | {"s": "AB"} | false | false | false | true | true - {"s": "B"} | {"s": "ABC"} | false | false | false | true | true - {"s": "B"} | {"s": "ABc"} | false | false | false | true | true - {"s": "B"} | {"s": "ABcD"} | false | false | false | true | true - {"s": "B"} | {"s": "B"} | false | true | true | true | false -(144 rows) - +WARNING: terminating connection because of crash of another server process +DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. +HINT: In a moment you should be able to reconnect to the database and repeat your command. +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/sqljson.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sqljson.out --- /tmp/cirrus-ci-build/src/test/regress/expected/sqljson.out 2025-06-04 16:00:28.789733000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sqljson.out 2025-06-04 16:05:10.718483000 +0000 @@ -665,711 +665,10 @@ ^ HINT: Only UTF8 JSON encoding is supported. SELECT JSON_ARRAY('aaa', 111, true, array[1,2,3], NULL, json '{"a": [1]}', jsonb '["a",3]'); - json_array ------------------------------------------------------ - ["aaa", 111, true, [1, 2, 3], {"a": [1]}, ["a", 3]] -(1 row) - -SELECT JSON_ARRAY('a', NULL, 'b' NULL ON NULL); - json_array ------------------- - ["a", null, "b"] -(1 row) - -SELECT JSON_ARRAY('a', NULL, 'b' ABSENT ON NULL); - json_array ------------- - ["a", "b"] -(1 row) - -SELECT JSON_ARRAY(NULL, NULL, 'b' ABSENT ON NULL); - json_array ------------- - ["b"] -(1 row) - -SELECT JSON_ARRAY('a', NULL, 'b' NULL ON NULL RETURNING jsonb); - json_array ------------------- - ["a", null, "b"] -(1 row) - -SELECT JSON_ARRAY('a', NULL, 'b' ABSENT ON NULL RETURNING jsonb); - json_array ------------- - ["a", "b"] -(1 row) - -SELECT JSON_ARRAY(NULL, NULL, 'b' ABSENT ON NULL RETURNING jsonb); - json_array ------------- - ["b"] -(1 row) - -SELECT JSON_ARRAY(JSON_ARRAY('{ "a" : 123 }' RETURNING text)); - json_array -------------------------------- - ["[\"{ \\\"a\\\" : 123 }\"]"] -(1 row) - -SELECT JSON_ARRAY(JSON_ARRAY('{ "a" : 123 }' FORMAT JSON RETURNING text)); - json_array ------------------------ - ["[{ \"a\" : 123 }]"] -(1 row) - -SELECT JSON_ARRAY(JSON_ARRAY('{ "a" : 123 }' FORMAT JSON RETURNING text) FORMAT JSON); - json_array -------------------- - [[{ "a" : 123 }]] -(1 row) - -SELECT JSON_ARRAY(SELECT i FROM (VALUES (1), (2), (NULL), (4)) foo(i)); - json_array ------------- - [1, 2, 4] -(1 row) - -SELECT JSON_ARRAY(SELECT i FROM (VALUES (NULL::int[]), ('{1,2}'), (NULL), (NULL), ('{3,4}'), (NULL)) foo(i)); - json_array ------------- - [[1,2], + - [3,4]] -(1 row) - -SELECT JSON_ARRAY(SELECT i FROM (VALUES (NULL::int[]), ('{1,2}'), (NULL), (NULL), ('{3,4}'), (NULL)) foo(i) RETURNING jsonb); - json_array ------------------- - [[1, 2], [3, 4]] -(1 row) - ---SELECT JSON_ARRAY(SELECT i FROM (VALUES (NULL::int[]), ('{1,2}'), (NULL), (NULL), ('{3,4}'), (NULL)) foo(i) NULL ON NULL); ---SELECT JSON_ARRAY(SELECT i FROM (VALUES (NULL::int[]), ('{1,2}'), (NULL), (NULL), ('{3,4}'), (NULL)) foo(i) NULL ON NULL RETURNING jsonb); -SELECT JSON_ARRAY(SELECT i FROM (VALUES (3), (1), (NULL), (2)) foo(i) ORDER BY i); - json_array ------------- - [1, 2, 3] -(1 row) - -SELECT JSON_ARRAY(WITH x AS (SELECT 1) VALUES (TRUE)); - json_array ------------- - [true] -(1 row) - --- Should fail -SELECT JSON_ARRAY(SELECT FROM (VALUES (1)) foo(i)); -ERROR: subquery must return only one column -LINE 1: SELECT JSON_ARRAY(SELECT FROM (VALUES (1)) foo(i)); - ^ -SELECT JSON_ARRAY(SELECT i, i FROM (VALUES (1)) foo(i)); -ERROR: subquery must return only one column -LINE 1: SELECT JSON_ARRAY(SELECT i, i FROM (VALUES (1)) foo(i)); - ^ -SELECT JSON_ARRAY(SELECT * FROM (VALUES (1, 2)) foo(i, j)); -ERROR: subquery must return only one column -LINE 1: SELECT JSON_ARRAY(SELECT * FROM (VALUES (1, 2)) foo(i, j)); - ^ --- JSON_ARRAYAGG() -SELECT JSON_ARRAYAGG(i) IS NULL, - JSON_ARRAYAGG(i RETURNING jsonb) IS NULL -FROM generate_series(1, 0) i; - ?column? | ?column? -----------+---------- - t | t -(1 row) - -SELECT JSON_ARRAYAGG(i), - JSON_ARRAYAGG(i RETURNING jsonb) -FROM generate_series(1, 5) i; - json_arrayagg | json_arrayagg ------------------+----------------- - [1, 2, 3, 4, 5] | [1, 2, 3, 4, 5] -(1 row) - -SELECT JSON_ARRAYAGG(i ORDER BY i DESC) -FROM generate_series(1, 5) i; - json_arrayagg ------------------ - [5, 4, 3, 2, 1] -(1 row) - -SELECT JSON_ARRAYAGG(i::text::json) -FROM generate_series(1, 5) i; - json_arrayagg ------------------ - [1, 2, 3, 4, 5] -(1 row) - -SELECT JSON_ARRAYAGG(JSON_ARRAY(i, i + 1 RETURNING text) FORMAT JSON) -FROM generate_series(1, 5) i; - json_arrayagg ------------------------------------------- - [[1, 2], [2, 3], [3, 4], [4, 5], [5, 6]] -(1 row) - -SELECT JSON_ARRAYAGG(NULL), - JSON_ARRAYAGG(NULL RETURNING jsonb) -FROM generate_series(1, 5); - json_arrayagg | json_arrayagg ----------------+--------------- - [] | [] -(1 row) - -SELECT JSON_ARRAYAGG(NULL NULL ON NULL), - JSON_ARRAYAGG(NULL NULL ON NULL RETURNING jsonb) -FROM generate_series(1, 5); - json_arrayagg | json_arrayagg ---------------------------------+-------------------------------- - [null, null, null, null, null] | [null, null, null, null, null] -(1 row) - -\x -SELECT - JSON_ARRAYAGG(bar) as no_options, - JSON_ARRAYAGG(bar RETURNING jsonb) as returning_jsonb, - JSON_ARRAYAGG(bar ABSENT ON NULL) as absent_on_null, - JSON_ARRAYAGG(bar ABSENT ON NULL RETURNING jsonb) as absentonnull_returning_jsonb, - JSON_ARRAYAGG(bar NULL ON NULL) as null_on_null, - JSON_ARRAYAGG(bar NULL ON NULL RETURNING jsonb) as nullonnull_returning_jsonb, - JSON_ARRAYAGG(foo) as row_no_options, - JSON_ARRAYAGG(foo RETURNING jsonb) as row_returning_jsonb, - JSON_ARRAYAGG(foo ORDER BY bar) FILTER (WHERE bar > 2) as row_filtered_agg, - JSON_ARRAYAGG(foo ORDER BY bar RETURNING jsonb) FILTER (WHERE bar > 2) as row_filtered_agg_returning_jsonb -FROM - (VALUES (NULL), (3), (1), (NULL), (NULL), (5), (2), (4), (NULL)) foo(bar); --[ RECORD 1 ]--------------------+------------------------------------------------------------------------------------------------------------------------- -no_options | [3, 1, 5, 2, 4] -returning_jsonb | [3, 1, 5, 2, 4] -absent_on_null | [3, 1, 5, 2, 4] -absentonnull_returning_jsonb | [3, 1, 5, 2, 4] -null_on_null | [null, 3, 1, null, null, 5, 2, 4, null] -nullonnull_returning_jsonb | [null, 3, 1, null, null, 5, 2, 4, null] -row_no_options | [{"bar":null}, + - | {"bar":3}, + - | {"bar":1}, + - | {"bar":null}, + - | {"bar":null}, + - | {"bar":5}, + - | {"bar":2}, + - | {"bar":4}, + - | {"bar":null}] -row_returning_jsonb | [{"bar": null}, {"bar": 3}, {"bar": 1}, {"bar": null}, {"bar": null}, {"bar": 5}, {"bar": 2}, {"bar": 4}, {"bar": null}] -row_filtered_agg | [{"bar":3}, + - | {"bar":4}, + - | {"bar":5}] -row_filtered_agg_returning_jsonb | [{"bar": 3}, {"bar": 4}, {"bar": 5}] - -\x -SELECT - bar, JSON_ARRAYAGG(bar) FILTER (WHERE bar > 2) OVER (PARTITION BY foo.bar % 2) -FROM - (VALUES (NULL), (3), (1), (NULL), (NULL), (5), (2), (4), (NULL), (5), (4)) foo(bar); - bar | json_arrayagg ------+--------------- - 4 | [4, 4] - 4 | [4, 4] - 2 | [4, 4] - 5 | [5, 3, 5] - 3 | [5, 3, 5] - 1 | [5, 3, 5] - 5 | [5, 3, 5] - | - | - | - | -(11 rows) - --- JSON_OBJECTAGG() -SELECT JSON_OBJECTAGG('key': 1) IS NULL, - JSON_OBJECTAGG('key': 1 RETURNING jsonb) IS NULL -WHERE FALSE; - ?column? | ?column? -----------+---------- - t | t -(1 row) - -SELECT JSON_OBJECTAGG(NULL: 1); -ERROR: null value not allowed for object key -SELECT JSON_OBJECTAGG(NULL: 1 RETURNING jsonb); -ERROR: field name must not be null -SELECT - JSON_OBJECTAGG(i: i), --- JSON_OBJECTAGG(i VALUE i), --- JSON_OBJECTAGG(KEY i VALUE i), - JSON_OBJECTAGG(i: i RETURNING jsonb) -FROM - generate_series(1, 5) i; - json_objectagg | json_objectagg --------------------------------------------------+------------------------------------------ - { "1" : 1, "2" : 2, "3" : 3, "4" : 4, "5" : 5 } | {"1": 1, "2": 2, "3": 3, "4": 4, "5": 5} -(1 row) - -SELECT - JSON_OBJECTAGG(k: v), - JSON_OBJECTAGG(k: v NULL ON NULL), - JSON_OBJECTAGG(k: v ABSENT ON NULL), - JSON_OBJECTAGG(k: v RETURNING jsonb), - JSON_OBJECTAGG(k: v NULL ON NULL RETURNING jsonb), - JSON_OBJECTAGG(k: v ABSENT ON NULL RETURNING jsonb) -FROM - (VALUES (1, 1), (1, NULL), (2, NULL), (3, 3)) foo(k, v); - json_objectagg | json_objectagg | json_objectagg | json_objectagg | json_objectagg | json_objectagg -----------------------------------------------+----------------------------------------------+----------------------+--------------------------------+--------------------------------+------------------ - { "1" : 1, "1" : null, "2" : null, "3" : 3 } | { "1" : 1, "1" : null, "2" : null, "3" : 3 } | { "1" : 1, "3" : 3 } | {"1": null, "2": null, "3": 3} | {"1": null, "2": null, "3": 3} | {"1": 1, "3": 3} -(1 row) - -SELECT JSON_OBJECTAGG(k: v WITH UNIQUE KEYS) -FROM (VALUES (1, 1), (1, NULL), (2, 2)) foo(k, v); -ERROR: duplicate JSON object key value: "1" -SELECT JSON_OBJECTAGG(k: v ABSENT ON NULL WITH UNIQUE KEYS) -FROM (VALUES (1, 1), (1, NULL), (2, 2)) foo(k, v); -ERROR: duplicate JSON object key value: "1" -SELECT JSON_OBJECTAGG(k: v ABSENT ON NULL WITH UNIQUE KEYS) -FROM (VALUES (1, 1), (0, NULL), (3, NULL), (2, 2), (4, NULL)) foo(k, v); - json_objectagg ----------------------- - { "1" : 1, "2" : 2 } -(1 row) - -SELECT JSON_OBJECTAGG(k: v WITH UNIQUE KEYS RETURNING jsonb) -FROM (VALUES (1, 1), (1, NULL), (2, 2)) foo(k, v); -ERROR: duplicate JSON object key value -SELECT JSON_OBJECTAGG(k: v ABSENT ON NULL WITH UNIQUE KEYS RETURNING jsonb) -FROM (VALUES (1, 1), (1, NULL), (2, 2)) foo(k, v); -ERROR: duplicate JSON object key value -SELECT JSON_OBJECTAGG(k: v ABSENT ON NULL WITH UNIQUE KEYS RETURNING jsonb) -FROM (VALUES (1, 1), (0, NULL),(4, null), (5, null),(6, null),(2, 2)) foo(k, v); - json_objectagg ------------------- - {"1": 1, "2": 2} -(1 row) - -SELECT JSON_OBJECTAGG(mod(i,100): (i)::text FORMAT JSON WITH UNIQUE) -FROM generate_series(0, 199) i; -ERROR: duplicate JSON object key value: "0" --- Test JSON_OBJECT deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_OBJECT('foo' : '1' FORMAT JSON, 'bar' : 'baz' RETURNING json); - QUERY PLAN ------------------------------------------------------------------------------- - Result - Output: JSON_OBJECT('foo' : '1'::json, 'bar' : 'baz'::text RETURNING json) -(2 rows) - -CREATE VIEW json_object_view AS -SELECT JSON_OBJECT('foo' : '1' FORMAT JSON, 'bar' : 'baz' RETURNING json); -\sv json_object_view -CREATE OR REPLACE VIEW public.json_object_view AS - SELECT JSON_OBJECT('foo' : '1'::text FORMAT JSON, 'bar' : 'baz'::text RETURNING json) AS "json_object" -DROP VIEW json_object_view; -SELECT to_json(a) AS a, JSON_OBJECTAGG(k : v WITH UNIQUE KEYS) OVER (ORDER BY k) -FROM (VALUES (1,1), (2,2)) a(k,v); - a | json_objectagg ----------------+---------------------- - {"k":1,"v":1} | { "1" : 1 } - {"k":2,"v":2} | { "1" : 1, "2" : 2 } -(2 rows) - -SELECT to_json(a) AS a, JSON_OBJECTAGG(k : v WITH UNIQUE KEYS) OVER (ORDER BY k) -FROM (VALUES (1,1), (1,2), (2,2)) a(k,v); -ERROR: duplicate JSON object key value: "1" -SELECT to_json(a) AS a, JSON_OBJECTAGG(k : v ABSENT ON NULL WITH UNIQUE KEYS) - OVER (ORDER BY k) -FROM (VALUES (1,1), (1,null), (2,2)) a(k,v); -ERROR: duplicate JSON object key value: "1" -SELECT to_json(a) AS a, JSON_OBJECTAGG(k : v ABSENT ON NULL) -OVER (ORDER BY k) -FROM (VALUES (1,1), (1,null), (2,2)) a(k,v); - a | json_objectagg -------------------+---------------------- - {"k":1,"v":1} | { "1" : 1 } - {"k":1,"v":null} | { "1" : 1 } - {"k":2,"v":2} | { "1" : 1, "2" : 2 } -(3 rows) - -SELECT to_json(a) AS a, JSON_OBJECTAGG(k : v ABSENT ON NULL) -OVER (ORDER BY k RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) -FROM (VALUES (1,1), (1,null), (2,2)) a(k,v); - a | json_objectagg -------------------+---------------------- - {"k":1,"v":1} | { "1" : 1, "2" : 2 } - {"k":1,"v":null} | { "1" : 1, "2" : 2 } - {"k":2,"v":2} | { "1" : 1, "2" : 2 } -(3 rows) - --- Test JSON_ARRAY deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_ARRAY('1' FORMAT JSON, 2 RETURNING json); - QUERY PLAN ---------------------------------------------------- - Result - Output: JSON_ARRAY('1'::json, 2 RETURNING json) -(2 rows) - -CREATE VIEW json_array_view AS -SELECT JSON_ARRAY('1' FORMAT JSON, 2 RETURNING json); -\sv json_array_view -CREATE OR REPLACE VIEW public.json_array_view AS - SELECT JSON_ARRAY('1'::text FORMAT JSON, 2 RETURNING json) AS "json_array" -DROP VIEW json_array_view; --- Test JSON_OBJECTAGG deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_OBJECTAGG(i: ('111' || i)::bytea FORMAT JSON WITH UNIQUE RETURNING text) FILTER (WHERE i > 3) -FROM generate_series(1,5) i; - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------- - Aggregate - Output: JSON_OBJECTAGG(i : (('111'::text || (i)::text))::bytea FORMAT JSON WITH UNIQUE KEYS RETURNING text) FILTER (WHERE (i > 3)) - -> Function Scan on pg_catalog.generate_series i - Output: i - Function Call: generate_series(1, 5) -(5 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_OBJECTAGG(i: ('111' || i)::bytea FORMAT JSON WITH UNIQUE RETURNING text) OVER (PARTITION BY i % 2) -FROM generate_series(1,5) i; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------- - WindowAgg - Output: JSON_OBJECTAGG(i : (('111'::text || (i)::text))::bytea FORMAT JSON WITH UNIQUE KEYS RETURNING text) OVER w1, ((i % 2)) - Window: w1 AS (PARTITION BY ((i.i % 2))) - -> Sort - Output: ((i % 2)), i - Sort Key: ((i.i % 2)) - -> Function Scan on pg_catalog.generate_series i - Output: (i % 2), i - Function Call: generate_series(1, 5) -(9 rows) - -CREATE VIEW json_objectagg_view AS -SELECT JSON_OBJECTAGG(i: ('111' || i)::bytea FORMAT JSON WITH UNIQUE RETURNING text) FILTER (WHERE i > 3) -FROM generate_series(1,5) i; -\sv json_objectagg_view -CREATE OR REPLACE VIEW public.json_objectagg_view AS - SELECT JSON_OBJECTAGG(i : ('111'::text || i)::bytea FORMAT JSON WITH UNIQUE KEYS RETURNING text) FILTER (WHERE i > 3) AS "json_objectagg" - FROM generate_series(1, 5) i(i) -DROP VIEW json_objectagg_view; --- Test JSON_ARRAYAGG deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_ARRAYAGG(('111' || i)::bytea FORMAT JSON NULL ON NULL RETURNING text) FILTER (WHERE i > 3) -FROM generate_series(1,5) i; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------ - Aggregate - Output: JSON_ARRAYAGG((('111'::text || (i)::text))::bytea FORMAT JSON NULL ON NULL RETURNING text) FILTER (WHERE (i > 3)) - -> Function Scan on pg_catalog.generate_series i - Output: i - Function Call: generate_series(1, 5) -(5 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_ARRAYAGG(('111' || i)::bytea FORMAT JSON NULL ON NULL RETURNING text) OVER (PARTITION BY i % 2) -FROM generate_series(1,5) i; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------- - WindowAgg - Output: JSON_ARRAYAGG((('111'::text || (i)::text))::bytea FORMAT JSON NULL ON NULL RETURNING text) OVER w1, ((i % 2)) - Window: w1 AS (PARTITION BY ((i.i % 2))) - -> Sort - Output: ((i % 2)), i - Sort Key: ((i.i % 2)) - -> Function Scan on pg_catalog.generate_series i - Output: (i % 2), i - Function Call: generate_series(1, 5) -(9 rows) - -CREATE VIEW json_arrayagg_view AS -SELECT JSON_ARRAYAGG(('111' || i)::bytea FORMAT JSON NULL ON NULL RETURNING text) FILTER (WHERE i > 3) -FROM generate_series(1,5) i; -\sv json_arrayagg_view -CREATE OR REPLACE VIEW public.json_arrayagg_view AS - SELECT JSON_ARRAYAGG(('111'::text || i)::bytea FORMAT JSON NULL ON NULL RETURNING text) FILTER (WHERE i > 3) AS "json_arrayagg" - FROM generate_series(1, 5) i(i) -DROP VIEW json_arrayagg_view; --- Test JSON_ARRAY(subquery) deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT JSON_ARRAY(SELECT i FROM (VALUES (1), (2), (NULL), (4)) foo(i) RETURNING jsonb); - QUERY PLAN ---------------------------------------------------------------------- - Result - Output: (InitPlan 1).col1 - InitPlan 1 - -> Aggregate - Output: JSON_ARRAYAGG("*VALUES*".column1 RETURNING jsonb) - -> Values Scan on "*VALUES*" - Output: "*VALUES*".column1 -(7 rows) - -CREATE VIEW json_array_subquery_view AS -SELECT JSON_ARRAY(SELECT i FROM (VALUES (1), (2), (NULL), (4)) foo(i) RETURNING jsonb); -\sv json_array_subquery_view -CREATE OR REPLACE VIEW public.json_array_subquery_view AS - SELECT ( SELECT JSON_ARRAYAGG(q.a RETURNING jsonb) AS "json_arrayagg" - FROM ( SELECT foo.i - FROM ( VALUES (1), (2), (NULL::integer), (4)) foo(i)) q(a)) AS "json_array" -DROP VIEW json_array_subquery_view; --- IS JSON predicate -SELECT NULL IS JSON; - ?column? ----------- - -(1 row) - -SELECT NULL IS NOT JSON; - ?column? ----------- - -(1 row) - -SELECT NULL::json IS JSON; - ?column? ----------- - -(1 row) - -SELECT NULL::jsonb IS JSON; - ?column? ----------- - -(1 row) - -SELECT NULL::text IS JSON; - ?column? ----------- - -(1 row) - -SELECT NULL::bytea IS JSON; - ?column? ----------- - -(1 row) - -SELECT NULL::int IS JSON; -ERROR: cannot use type integer in IS JSON predicate -SELECT '' IS JSON; - ?column? ----------- - f -(1 row) - -SELECT bytea '\x00' IS JSON; -ERROR: invalid byte sequence for encoding "UTF8": 0x00 -CREATE TABLE test_is_json (js text); -INSERT INTO test_is_json VALUES - (NULL), - (''), - ('123'), - ('"aaa "'), - ('true'), - ('null'), - ('[]'), - ('[1, "2", {}]'), - ('{}'), - ('{ "a": 1, "b": null }'), - ('{ "a": 1, "a": null }'), - ('{ "a": 1, "b": [{ "a": 1 }, { "a": 2 }] }'), - ('{ "a": 1, "b": [{ "a": 1, "b": 0, "a": 2 }] }'), - ('aaa'), - ('{a:1}'), - ('["a",]'); -SELECT - js, - js IS JSON "IS JSON", - js IS NOT JSON "IS NOT JSON", - js IS JSON VALUE "IS VALUE", - js IS JSON OBJECT "IS OBJECT", - js IS JSON ARRAY "IS ARRAY", - js IS JSON SCALAR "IS SCALAR", - js IS JSON WITHOUT UNIQUE KEYS "WITHOUT UNIQUE", - js IS JSON WITH UNIQUE KEYS "WITH UNIQUE" -FROM - test_is_json; - js | IS JSON | IS NOT JSON | IS VALUE | IS OBJECT | IS ARRAY | IS SCALAR | WITHOUT UNIQUE | WITH UNIQUE ------------------------------------------------+---------+-------------+----------+-----------+----------+-----------+----------------+------------- - | | | | | | | | - | f | t | f | f | f | f | f | f - 123 | t | f | t | f | f | t | t | t - "aaa " | t | f | t | f | f | t | t | t - true | t | f | t | f | f | t | t | t - null | t | f | t | f | f | t | t | t - [] | t | f | t | f | t | f | t | t - [1, "2", {}] | t | f | t | f | t | f | t | t - {} | t | f | t | t | f | f | t | t - { "a": 1, "b": null } | t | f | t | t | f | f | t | t - { "a": 1, "a": null } | t | f | t | t | f | f | t | f - { "a": 1, "b": [{ "a": 1 }, { "a": 2 }] } | t | f | t | t | f | f | t | t - { "a": 1, "b": [{ "a": 1, "b": 0, "a": 2 }] } | t | f | t | t | f | f | t | f - aaa | f | t | f | f | f | f | f | f - {a:1} | f | t | f | f | f | f | f | f - ["a",] | f | t | f | f | f | f | f | f -(16 rows) - -SELECT - js, - js IS JSON "IS JSON", - js IS NOT JSON "IS NOT JSON", - js IS JSON VALUE "IS VALUE", - js IS JSON OBJECT "IS OBJECT", - js IS JSON ARRAY "IS ARRAY", - js IS JSON SCALAR "IS SCALAR", - js IS JSON WITHOUT UNIQUE KEYS "WITHOUT UNIQUE", - js IS JSON WITH UNIQUE KEYS "WITH UNIQUE" -FROM - (SELECT js::json FROM test_is_json WHERE js IS JSON) foo(js); - js | IS JSON | IS NOT JSON | IS VALUE | IS OBJECT | IS ARRAY | IS SCALAR | WITHOUT UNIQUE | WITH UNIQUE ------------------------------------------------+---------+-------------+----------+-----------+----------+-----------+----------------+------------- - 123 | t | f | t | f | f | t | t | t - "aaa " | t | f | t | f | f | t | t | t - true | t | f | t | f | f | t | t | t - null | t | f | t | f | f | t | t | t - [] | t | f | t | f | t | f | t | t - [1, "2", {}] | t | f | t | f | t | f | t | t - {} | t | f | t | t | f | f | t | t - { "a": 1, "b": null } | t | f | t | t | f | f | t | t - { "a": 1, "a": null } | t | f | t | t | f | f | t | f - { "a": 1, "b": [{ "a": 1 }, { "a": 2 }] } | t | f | t | t | f | f | t | t - { "a": 1, "b": [{ "a": 1, "b": 0, "a": 2 }] } | t | f | t | t | f | f | t | f -(11 rows) - -SELECT - js0, - js IS JSON "IS JSON", - js IS NOT JSON "IS NOT JSON", - js IS JSON VALUE "IS VALUE", - js IS JSON OBJECT "IS OBJECT", - js IS JSON ARRAY "IS ARRAY", - js IS JSON SCALAR "IS SCALAR", - js IS JSON WITHOUT UNIQUE KEYS "WITHOUT UNIQUE", - js IS JSON WITH UNIQUE KEYS "WITH UNIQUE" -FROM - (SELECT js, js::bytea FROM test_is_json WHERE js IS JSON) foo(js0, js); - js0 | IS JSON | IS NOT JSON | IS VALUE | IS OBJECT | IS ARRAY | IS SCALAR | WITHOUT UNIQUE | WITH UNIQUE ------------------------------------------------+---------+-------------+----------+-----------+----------+-----------+----------------+------------- - 123 | t | f | t | f | f | t | t | t - "aaa " | t | f | t | f | f | t | t | t - true | t | f | t | f | f | t | t | t - null | t | f | t | f | f | t | t | t - [] | t | f | t | f | t | f | t | t - [1, "2", {}] | t | f | t | f | t | f | t | t - {} | t | f | t | t | f | f | t | t - { "a": 1, "b": null } | t | f | t | t | f | f | t | t - { "a": 1, "a": null } | t | f | t | t | f | f | t | f - { "a": 1, "b": [{ "a": 1 }, { "a": 2 }] } | t | f | t | t | f | f | t | t - { "a": 1, "b": [{ "a": 1, "b": 0, "a": 2 }] } | t | f | t | t | f | f | t | f -(11 rows) - -SELECT - js, - js IS JSON "IS JSON", - js IS NOT JSON "IS NOT JSON", - js IS JSON VALUE "IS VALUE", - js IS JSON OBJECT "IS OBJECT", - js IS JSON ARRAY "IS ARRAY", - js IS JSON SCALAR "IS SCALAR", - js IS JSON WITHOUT UNIQUE KEYS "WITHOUT UNIQUE", - js IS JSON WITH UNIQUE KEYS "WITH UNIQUE" -FROM - (SELECT js::jsonb FROM test_is_json WHERE js IS JSON) foo(js); - js | IS JSON | IS NOT JSON | IS VALUE | IS OBJECT | IS ARRAY | IS SCALAR | WITHOUT UNIQUE | WITH UNIQUE --------------------------------------+---------+-------------+----------+-----------+----------+-----------+----------------+------------- - 123 | t | f | t | f | f | t | t | t - "aaa " | t | f | t | f | f | t | t | t - true | t | f | t | f | f | t | t | t - null | t | f | t | f | f | t | t | t - [] | t | f | t | f | t | f | t | t - [1, "2", {}] | t | f | t | f | t | f | t | t - {} | t | f | t | t | f | f | t | t - {"a": 1, "b": null} | t | f | t | t | f | f | t | t - {"a": null} | t | f | t | t | f | f | t | t - {"a": 1, "b": [{"a": 1}, {"a": 2}]} | t | f | t | t | f | f | t | t - {"a": 1, "b": [{"a": 2, "b": 0}]} | t | f | t | t | f | f | t | t -(11 rows) - --- Test IS JSON deparsing -EXPLAIN (VERBOSE, COSTS OFF) -SELECT '1' IS JSON AS "any", ('1' || i) IS JSON SCALAR AS "scalar", '[]' IS NOT JSON ARRAY AS "array", '{}' IS JSON OBJECT WITH UNIQUE AS "object" FROM generate_series(1, 3) i; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------- - Function Scan on pg_catalog.generate_series i - Output: ('1'::text IS JSON), (('1'::text || (i)::text) IS JSON SCALAR), (NOT ('[]'::text IS JSON ARRAY)), ('{}'::text IS JSON OBJECT WITH UNIQUE KEYS) - Function Call: generate_series(1, 3) -(3 rows) - -CREATE VIEW is_json_view AS -SELECT '1' IS JSON AS "any", ('1' || i) IS JSON SCALAR AS "scalar", '[]' IS NOT JSON ARRAY AS "array", '{}' IS JSON OBJECT WITH UNIQUE AS "object" FROM generate_series(1, 3) i; -\sv is_json_view -CREATE OR REPLACE VIEW public.is_json_view AS - SELECT '1'::text IS JSON AS "any", - ('1'::text || i) IS JSON SCALAR AS scalar, - NOT '[]'::text IS JSON ARRAY AS "array", - '{}'::text IS JSON OBJECT WITH UNIQUE KEYS AS object - FROM generate_series(1, 3) i(i) -DROP VIEW is_json_view; --- Test implicit coercion to a fixed-length type specified in RETURNING -SELECT JSON_SERIALIZE('{ "a" : 1 } ' RETURNING varchar(2)); -ERROR: value too long for type character varying(2) -SELECT JSON_OBJECT('a': JSON_OBJECT('b': 1 RETURNING varchar(2))); -ERROR: value too long for type character varying(2) -SELECT JSON_ARRAY(JSON_ARRAY('{ "a" : 123 }' RETURNING varchar(2))); -ERROR: value too long for type character varying(2) -SELECT JSON_ARRAYAGG(('111' || i)::bytea FORMAT JSON NULL ON NULL RETURNING varchar(2)) FROM generate_series(1,1) i; -ERROR: value too long for type character varying(2) -SELECT JSON_OBJECTAGG(i: ('111' || i)::bytea FORMAT JSON WITH UNIQUE RETURNING varchar(2)) FROM generate_series(1, 1) i; -ERROR: value too long for type character varying(2) --- Now try domain over fixed-length type -CREATE DOMAIN sqljson_char2 AS char(2) CHECK (VALUE NOT IN ('12')); -SELECT JSON_SERIALIZE('123' RETURNING sqljson_char2); -ERROR: value too long for type character(2) -SELECT JSON_SERIALIZE('12' RETURNING sqljson_char2); -ERROR: value for domain sqljson_char2 violates check constraint "sqljson_char2_check" --- Bug #18657: JsonValueExpr.raw_expr was not initialized in ExecInitExprRec() --- causing the Aggrefs contained in it to also not be initialized, which led --- to a crash in ExecBuildAggTrans() as mentioned in the bug report: --- https://postgr.es/m/18657-1b90ccce2b16bdb8@postgresql.org -CREATE FUNCTION volatile_one() RETURNS int AS $$ BEGIN RETURN 1; END; $$ LANGUAGE plpgsql VOLATILE; -CREATE FUNCTION stable_one() RETURNS int AS $$ BEGIN RETURN 1; END; $$ LANGUAGE plpgsql STABLE; -EXPLAIN (VERBOSE, COSTS OFF) SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': volatile_one() RETURNING text) FORMAT JSON); - QUERY PLAN -------------------------------------------------------------------------------------------------------------- - Aggregate - Output: JSON_OBJECT('a' : JSON_OBJECTAGG('b' : volatile_one() RETURNING text) FORMAT JSON RETURNING json) - -> Result -(3 rows) - -SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': volatile_one() RETURNING text) FORMAT JSON); - json_object ---------------------- - {"a" : { "b" : 1 }} -(1 row) - -EXPLAIN (VERBOSE, COSTS OFF) SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': stable_one() RETURNING text) FORMAT JSON); - QUERY PLAN ------------------------------------------------------------------------------------------------------------ - Aggregate - Output: JSON_OBJECT('a' : JSON_OBJECTAGG('b' : stable_one() RETURNING text) FORMAT JSON RETURNING json) - -> Result -(3 rows) - -SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': stable_one() RETURNING text) FORMAT JSON); - json_object ---------------------- - {"a" : { "b" : 1 }} -(1 row) - -EXPLAIN (VERBOSE, COSTS OFF) SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': 1 RETURNING text) FORMAT JSON); - QUERY PLAN ------------------------------------------------------------------------------------------------- - Aggregate - Output: JSON_OBJECT('a' : JSON_OBJECTAGG('b' : 1 RETURNING text) FORMAT JSON RETURNING json) - -> Result -(3 rows) - -SELECT JSON_OBJECT('a': JSON_OBJECTAGG('b': 1 RETURNING text) FORMAT JSON); - json_object ---------------------- - {"a" : { "b" : 1 }} -(1 row) - -DROP FUNCTION volatile_one, stable_one; +WARNING: terminating connection because of crash of another server process +DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. +HINT: In a moment you should be able to reconnect to the database and repeat your command. +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/sqljson_queryfuncs.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sqljson_queryfuncs.out --- /tmp/cirrus-ci-build/src/test/regress/expected/sqljson_queryfuncs.out 2025-06-04 16:00:28.790585000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sqljson_queryfuncs.out 2025-06-04 16:05:10.694054000 +0000 @@ -388,1079 +388,10 @@ (1 row) SELECT JSON_VALUE(jsonb '1', 'lax $.a' DEFAULT '2' ON EMPTY); - json_value ------------- - 2 -(1 row) - -SELECT JSON_VALUE(jsonb '1', 'lax $.a' NULL ON EMPTY DEFAULT '2' ON ERROR); - json_value ------------- - -(1 row) - -SELECT JSON_VALUE(jsonb '1', 'lax $.a' DEFAULT '2' ON EMPTY DEFAULT '3' ON ERROR); - json_value ------------- - 2 -(1 row) - -SELECT JSON_VALUE(jsonb '1', 'lax $.a' ERROR ON EMPTY DEFAULT '3' ON ERROR); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_VALUE(jsonb '[1,2]', '$[*]' ERROR ON ERROR); -ERROR: JSON path expression in JSON_VALUE must return single scalar item -SELECT JSON_VALUE(jsonb '[1,2]', '$[*]' DEFAULT '0' ON ERROR); - json_value ------------- - 0 -(1 row) - -SELECT JSON_VALUE(jsonb '[" "]', '$[*]' RETURNING int ERROR ON ERROR); -ERROR: invalid input syntax for type integer: " " -SELECT JSON_VALUE(jsonb '[" "]', '$[*]' RETURNING int DEFAULT 2 + 3 ON ERROR); - json_value ------------- - 5 -(1 row) - -SELECT JSON_VALUE(jsonb '["1"]', '$[*]' RETURNING int DEFAULT 2 + 3 ON ERROR); - json_value ------------- - 1 -(1 row) - -SELECT JSON_VALUE(jsonb '["1"]', '$[*]' RETURNING int FORMAT JSON); -- RETURNING FORMAT not allowed -ERROR: cannot specify FORMAT JSON in RETURNING clause of JSON_VALUE() -LINE 1: ...CT JSON_VALUE(jsonb '["1"]', '$[*]' RETURNING int FORMAT JSO... - ^ --- RETUGNING pseudo-types not allowed -SELECT JSON_VALUE(jsonb '["1"]', '$[*]' RETURNING record); -ERROR: returning pseudo-types is not supported in SQL/JSON functions -SELECT - x, - JSON_VALUE( - jsonb '{"a": 1, "b": 2}', - '$.* ? (@ > $x)' PASSING x AS x - RETURNING int - DEFAULT -1 ON EMPTY - DEFAULT -2 ON ERROR - ) y -FROM - generate_series(0, 2) x; - x | y ----+---- - 0 | -2 - 1 | 2 - 2 | -1 -(3 rows) - -SELECT JSON_VALUE(jsonb 'null', '$a' PASSING point ' (1, 2 )' AS a); - json_value ------------- - (1,2) -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$a' PASSING point ' (1, 2 )' AS a RETURNING point); - json_value ------------- - (1,2) -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$a' PASSING point ' (1, 2 )' AS a RETURNING point ERROR ON ERROR); - json_value ------------- - (1,2) -(1 row) - --- Test PASSING and RETURNING date/time types -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts); - json_value ------------------------------- - Tue Feb 20 18:34:56 2018 PST -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING timestamptz); - json_value ------------------------------- - Tue Feb 20 18:34:56 2018 PST -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING timestamp); - json_value --------------------------- - Tue Feb 20 18:34:56 2018 -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING date '2018-02-21 12:34:56 +10' AS ts RETURNING date); - json_value ------------- - 02-21-2018 -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING time '2018-02-21 12:34:56 +10' AS ts RETURNING time); - json_value ------------- - 12:34:56 -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timetz '2018-02-21 12:34:56 +10' AS ts RETURNING timetz); - json_value -------------- - 12:34:56+10 -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamp '2018-02-21 12:34:56 +10' AS ts RETURNING timestamp); - json_value --------------------------- - Wed Feb 21 12:34:56 2018 -(1 row) - --- Also test RETURNING json[b] -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING json); - json_value ------------------------------ - "2018-02-21T02:34:56+00:00" -(1 row) - -SELECT JSON_VALUE(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING jsonb); - json_value ------------------------------ - "2018-02-21T02:34:56+00:00" -(1 row) - --- Test that numeric JSON values are coerced uniformly -select json_value('{"a": 1.234}', '$.a' returning int error on error); -ERROR: invalid input syntax for type integer: "1.234" -select json_value('{"a": "1.234"}', '$.a' returning int error on error); -ERROR: invalid input syntax for type integer: "1.234" --- JSON_QUERY -SELECT JSON_VALUE(NULL::jsonb, '$'); - json_value ------------- - -(1 row) - -SELECT - JSON_QUERY(js, '$') AS "unspec", - JSON_QUERY(js, '$' WITHOUT WRAPPER) AS "without", - JSON_QUERY(js, '$' WITH CONDITIONAL WRAPPER) AS "with cond", - JSON_QUERY(js, '$' WITH UNCONDITIONAL ARRAY WRAPPER) AS "with uncond", - JSON_QUERY(js, '$' WITH ARRAY WRAPPER) AS "with" -FROM - (VALUES - (jsonb 'null'), - ('12.3'), - ('true'), - ('"aaa"'), - ('[1, null, "2"]'), - ('{"a": 1, "b": [2]}') - ) foo(js); - unspec | without | with cond | with uncond | with ---------------------+--------------------+--------------------+----------------------+---------------------- - null | null | null | [null] | [null] - 12.3 | 12.3 | 12.3 | [12.3] | [12.3] - true | true | true | [true] | [true] - "aaa" | "aaa" | "aaa" | ["aaa"] | ["aaa"] - [1, null, "2"] | [1, null, "2"] | [1, null, "2"] | [[1, null, "2"]] | [[1, null, "2"]] - {"a": 1, "b": [2]} | {"a": 1, "b": [2]} | {"a": 1, "b": [2]} | [{"a": 1, "b": [2]}] | [{"a": 1, "b": [2]}] -(6 rows) - -SELECT - JSON_QUERY(js, 'strict $[*]') AS "unspec", - JSON_QUERY(js, 'strict $[*]' WITHOUT WRAPPER) AS "without", - JSON_QUERY(js, 'strict $[*]' WITH CONDITIONAL WRAPPER) AS "with cond", - JSON_QUERY(js, 'strict $[*]' WITH UNCONDITIONAL ARRAY WRAPPER) AS "with uncond", - JSON_QUERY(js, 'strict $[*]' WITH ARRAY WRAPPER) AS "with" -FROM - (VALUES - (jsonb '1'), - ('[]'), - ('[null]'), - ('[12.3]'), - ('[true]'), - ('["aaa"]'), - ('[[1, 2, 3]]'), - ('[{"a": 1, "b": [2]}]'), - ('[1, "2", null, [3]]') - ) foo(js); - unspec | without | with cond | with uncond | with ---------------------+--------------------+---------------------+----------------------+---------------------- - | | | | - | | | | - null | null | null | [null] | [null] - 12.3 | 12.3 | 12.3 | [12.3] | [12.3] - true | true | true | [true] | [true] - "aaa" | "aaa" | "aaa" | ["aaa"] | ["aaa"] - [1, 2, 3] | [1, 2, 3] | [1, 2, 3] | [[1, 2, 3]] | [[1, 2, 3]] - {"a": 1, "b": [2]} | {"a": 1, "b": [2]} | {"a": 1, "b": [2]} | [{"a": 1, "b": [2]}] | [{"a": 1, "b": [2]}] - | | [1, "2", null, [3]] | [1, "2", null, [3]] | [1, "2", null, [3]] -(9 rows) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING text); - json_query ------------- - "aaa" -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING text KEEP QUOTES); - json_query ------------- - "aaa" -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING text KEEP QUOTES ON SCALAR STRING); - json_query ------------- - "aaa" -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING text OMIT QUOTES); - json_query ------------- - aaa -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING text OMIT QUOTES ON SCALAR STRING); - json_query ------------- - aaa -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' OMIT QUOTES ERROR ON ERROR); -ERROR: invalid input syntax for type json -DETAIL: Token "aaa" is invalid. -CONTEXT: JSON data, line 1: aaa -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING json OMIT QUOTES ERROR ON ERROR); -ERROR: invalid input syntax for type json -DETAIL: Token "aaa" is invalid. -CONTEXT: JSON data, line 1: aaa -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING bytea FORMAT JSON OMIT QUOTES ERROR ON ERROR); - json_query ------------- - \x616161 -(1 row) - --- Behavior when a RETURNING type has typmod != -1 -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) ERROR ON ERROR); -ERROR: value too long for type character(3) -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3)); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) OMIT QUOTES ERROR ON ERROR); - json_query ------------- - aaa -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT 'bb' ON EMPTY); - json_query ------------- - bb -(1 row) - -SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT '"bb"'::jsonb ON EMPTY); - json_query ------------- - bb -(1 row) - --- OMIT QUOTES behavior should not be specified when WITH WRAPPER used: --- Should fail -SELECT JSON_QUERY(jsonb '[1]', '$' WITH WRAPPER OMIT QUOTES); -ERROR: SQL/JSON QUOTES behavior must not be specified when WITH WRAPPER is used -LINE 1: SELECT JSON_QUERY(jsonb '[1]', '$' WITH WRAPPER OMIT QUOTES)... - ^ -SELECT JSON_QUERY(jsonb '[1]', '$' WITH CONDITIONAL WRAPPER OMIT QUOTES); -ERROR: SQL/JSON QUOTES behavior must not be specified when WITH WRAPPER is used -LINE 1: SELECT JSON_QUERY(jsonb '[1]', '$' WITH CONDITIONAL WRAPPER ... - ^ --- Should succeed -SELECT JSON_QUERY(jsonb '["1"]', '$[*]' WITH CONDITIONAL WRAPPER KEEP QUOTES); - json_query ------------- - "1" -(1 row) - -SELECT JSON_QUERY(jsonb '["1"]', '$[*]' WITH UNCONDITIONAL WRAPPER KEEP QUOTES); - json_query ------------- - ["1"] -(1 row) - -SELECT JSON_QUERY(jsonb '["1"]', '$[*]' WITH WRAPPER KEEP QUOTES); - json_query ------------- - ["1"] -(1 row) - -SELECT JSON_QUERY(jsonb '["1"]', '$[*]' WITHOUT WRAPPER OMIT QUOTES); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb '["1"]', '$[*]' WITHOUT WRAPPER KEEP QUOTES); - json_query ------------- - "1" -(1 row) - --- test QUOTES behavior. -SELECT JSON_QUERY(jsonb'{"rec": "{1,2,3}"}', '$.rec' returning int[] omit quotes); - json_query ------------- - {1,2,3} -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "{1,2,3}"}', '$.rec' returning int[] keep quotes); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "{1,2,3}"}', '$.rec' returning int[] keep quotes error on error); -ERROR: expected JSON array -SELECT JSON_QUERY(jsonb'{"rec": "[1,2]"}', '$.rec' returning int4range omit quotes); - json_query ------------- - [1,3) -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "[1,2]"}', '$.rec' returning int4range keep quotes); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "[1,2]"}', '$.rec' returning int4range keep quotes error on error); -ERROR: malformed range literal: ""[1,2]"" -DETAIL: Missing left parenthesis or bracket. -CREATE DOMAIN qf_char_domain AS char(1); -CREATE DOMAIN qf_jsonb_domain AS jsonb; -SELECT JSON_QUERY(jsonb '"1"', '$' RETURNING qf_char_domain OMIT QUOTES ERROR ON ERROR); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb '"1"', '$' RETURNING qf_jsonb_domain OMIT QUOTES ERROR ON ERROR); - json_query ------------- - 1 -(1 row) - -DROP DOMAIN qf_char_domain, qf_jsonb_domain; -SELECT JSON_QUERY(jsonb '[]', '$[*]'); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' NULL ON EMPTY); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' EMPTY ON EMPTY); - json_query ------------- - [] -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' EMPTY ARRAY ON EMPTY); - json_query ------------- - [] -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' EMPTY OBJECT ON EMPTY); - json_query ------------- - {} -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON EMPTY); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_QUERY(jsonb '[]', '$[*]' DEFAULT '"empty"' ON EMPTY); - json_query ------------- - "empty" -(1 row) - -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON EMPTY NULL ON ERROR); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON EMPTY EMPTY ARRAY ON ERROR); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON EMPTY EMPTY OBJECT ON ERROR); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON EMPTY ERROR ON ERROR); -ERROR: no SQL/JSON item found for specified path -SELECT JSON_QUERY(jsonb '[]', '$[*]' ERROR ON ERROR); -- NULL ON EMPTY - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' ERROR ON ERROR); -ERROR: JSON path expression in JSON_QUERY must return single item when no wrapper is requested -HINT: Use the WITH WRAPPER clause to wrap SQL/JSON items into an array. -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' DEFAULT '"empty"' ON ERROR); - json_query ------------- - "empty" -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING json); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING json FORMAT JSON); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING jsonb); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING jsonb FORMAT JSON); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING text); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING char(10)); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING text FORMAT JSON); - json_query ------------- - [1, 2] -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING bytea); - json_query ----------------- - \x5b312c20325d -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING bytea FORMAT JSON); - json_query ----------------- - \x5b312c20325d -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' RETURNING bytea EMPTY OBJECT ON ERROR); - json_query ------------- - \x7b7d -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' RETURNING bytea FORMAT JSON EMPTY OBJECT ON ERROR); - json_query ------------- - \x7b7d -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' RETURNING json EMPTY OBJECT ON ERROR); - json_query ------------- - {} -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2]', '$[*]' RETURNING jsonb EMPTY OBJECT ON ERROR); - json_query ------------- - {} -(1 row) - -SELECT JSON_QUERY(jsonb '[3,4]', '$[*]' RETURNING bigint[] EMPTY OBJECT ON ERROR); -ERROR: could not coerce ON ERROR expression (EMPTY OBJECT) to the RETURNING type -DETAIL: expected JSON array -SELECT JSON_QUERY(jsonb '"[3,4]"', '$[*]' RETURNING bigint[] EMPTY OBJECT ON ERROR); -ERROR: could not coerce ON ERROR expression (EMPTY OBJECT) to the RETURNING type -DETAIL: expected JSON array --- Coercion fails with quotes on -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING int2 error on error); -ERROR: invalid input syntax for type smallint: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING int4 error on error); -ERROR: invalid input syntax for type integer: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING int8 error on error); -ERROR: invalid input syntax for type bigint: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING bool error on error); -ERROR: invalid input syntax for type boolean: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING numeric error on error); -ERROR: invalid input syntax for type numeric: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING real error on error); -ERROR: invalid input syntax for type real: ""123.1"" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING float8 error on error); -ERROR: invalid input syntax for type double precision: ""123.1"" --- Fine with OMIT QUOTES -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING int2 omit quotes error on error); -ERROR: invalid input syntax for type smallint: "123.1" -SELECT JSON_QUERY(jsonb '"123.1"', '$' RETURNING float8 omit quotes error on error); - json_query ------------- - 123.1 -(1 row) - --- RETUGNING pseudo-types not allowed -SELECT JSON_QUERY(jsonb '[3,4]', '$[*]' RETURNING anyarray EMPTY OBJECT ON ERROR); -ERROR: returning pseudo-types is not supported in SQL/JSON functions -SELECT - x, y, - JSON_QUERY( - jsonb '[1,2,3,4,5,null]', - '$[*] ? (@ >= $x && @ <= $y)' - PASSING x AS x, y AS y - WITH CONDITIONAL WRAPPER - EMPTY ARRAY ON EMPTY - ) list -FROM - generate_series(0, 4) x, - generate_series(0, 4) y; - x | y | list ----+---+-------------- - 0 | 0 | [] - 0 | 1 | 1 - 0 | 2 | [1, 2] - 0 | 3 | [1, 2, 3] - 0 | 4 | [1, 2, 3, 4] - 1 | 0 | [] - 1 | 1 | 1 - 1 | 2 | [1, 2] - 1 | 3 | [1, 2, 3] - 1 | 4 | [1, 2, 3, 4] - 2 | 0 | [] - 2 | 1 | [] - 2 | 2 | 2 - 2 | 3 | [2, 3] - 2 | 4 | [2, 3, 4] - 3 | 0 | [] - 3 | 1 | [] - 3 | 2 | [] - 3 | 3 | 3 - 3 | 4 | [3, 4] - 4 | 0 | [] - 4 | 1 | [] - 4 | 2 | [] - 4 | 3 | [] - 4 | 4 | 4 -(25 rows) - --- record type returning with quotes behavior. -CREATE TYPE comp_abc AS (a text, b int, c timestamp); -SELECT JSON_QUERY(jsonb'{"rec": "(abc,42,01.02.2003)"}', '$.rec' returning comp_abc omit quotes); - json_query -------------------------------------- - (abc,42,"Thu Jan 02 00:00:00 2003") -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "(abc,42,01.02.2003)"}', '$.rec' returning comp_abc keep quotes); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb'{"rec": "(abc,42,01.02.2003)"}', '$.rec' returning comp_abc keep quotes error on error); -ERROR: cannot call populate_composite on a scalar -DROP TYPE comp_abc; --- Extension: record types returning -CREATE TYPE sqljsonb_rec AS (a int, t text, js json, jb jsonb, jsa json[]); -CREATE TYPE sqljsonb_reca AS (reca sqljsonb_rec[]); -SELECT JSON_QUERY(jsonb '[{"a": 1, "b": "foo", "t": "aaa", "js": [1, "2", {}], "jb": {"x": [1, "2", {}]}}, {"a": 2}]', '$[0]' RETURNING sqljsonb_rec); - json_query ------------------------------------------------------ - (1,aaa,"[1, ""2"", {}]","{""x"": [1, ""2"", {}]}",) -(1 row) - -SELECT JSON_QUERY(jsonb '[{"a": "a", "b": "foo", "t": "aaa", "js": [1, "2", {}], "jb": {"x": [1, "2", {}]}}, {"a": 2}]', '$[0]' RETURNING sqljsonb_rec ERROR ON ERROR); -ERROR: invalid input syntax for type integer: "a" -SELECT JSON_QUERY(jsonb '[{"a": "a", "b": "foo", "t": "aaa", "js": [1, "2", {}], "jb": {"x": [1, "2", {}]}}, {"a": 2}]', '$[0]' RETURNING sqljsonb_rec); - json_query ------------- - -(1 row) - -SELECT * FROM unnest((JSON_QUERY(jsonb '{"jsa": [{"a": 1, "b": ["foo"]}, {"a": 2, "c": {}}, 123]}', '$' RETURNING sqljsonb_rec)).jsa); - unnest ------------------------- - {"a": 1, "b": ["foo"]} - {"a": 2, "c": {}} - 123 -(3 rows) - -SELECT * FROM unnest((JSON_QUERY(jsonb '{"reca": [{"a": 1, "t": ["foo", []]}, {"a": 2, "jb": [{}, true]}]}', '$' RETURNING sqljsonb_reca)).reca); - a | t | js | jb | jsa ----+-------------+----+------------+----- - 1 | ["foo", []] | | | - 2 | | | [{}, true] | -(2 rows) - -SELECT JSON_QUERY(jsonb '[{"a": 1, "b": "foo", "t": "aaa", "js": [1, "2", {}], "jb": {"x": [1, "2", {}]}}, {"a": 2}]', '$[0]' RETURNING jsonpath); - json_query ------------- - -(1 row) - -SELECT JSON_QUERY(jsonb '[{"a": 1, "b": "foo", "t": "aaa", "js": [1, "2", {}], "jb": {"x": [1, "2", {}]}}, {"a": 2}]', '$[0]' RETURNING jsonpath ERROR ON ERROR); -ERROR: syntax error at or near "{" of jsonpath input --- Extension: array types returning -SELECT JSON_QUERY(jsonb '[1,2,null,"3"]', '$[*]' RETURNING int[] WITH WRAPPER); - json_query --------------- - {1,2,NULL,3} -(1 row) - -SELECT JSON_QUERY(jsonb '[1,2,null,"a"]', '$[*]' RETURNING int[] WITH WRAPPER ERROR ON ERROR); -ERROR: invalid input syntax for type integer: "a" -SELECT JSON_QUERY(jsonb '[1,2,null,"a"]', '$[*]' RETURNING int[] WITH WRAPPER); - json_query ------------- - -(1 row) - -SELECT * FROM unnest(JSON_QUERY(jsonb '[{"a": 1, "t": ["foo", []]}, {"a": 2, "jb": [{}, true]}]', '$' RETURNING sqljsonb_rec[])); - a | t | js | jb | jsa ----+-------------+----+------------+----- - 1 | ["foo", []] | | | - 2 | | | [{}, true] | -(2 rows) - --- Extension: domain types returning -SELECT JSON_QUERY(jsonb '{"a": 1}', '$.a' RETURNING sqljsonb_int_not_null); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb '{"a": 1}', '$.b' RETURNING sqljsonb_int_not_null); -ERROR: could not coerce ON EMPTY expression (NULL) to the RETURNING type -DETAIL: domain sqljsonb_int_not_null does not allow null values -SELECT JSON_QUERY(jsonb '{"a": 1}', '$.b' RETURNING sqljsonb_int_not_null ERROR ON EMPTY ERROR ON ERROR); -ERROR: no SQL/JSON item found for specified path --- Test timestamptz passing and output -SELECT JSON_QUERY(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts); - json_query ------------------------------ - "2018-02-21T02:34:56+00:00" -(1 row) - -SELECT JSON_QUERY(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING json); - json_query ------------------------------ - "2018-02-21T02:34:56+00:00" -(1 row) - -SELECT JSON_QUERY(jsonb 'null', '$ts' PASSING timestamptz '2018-02-21 12:34:56 +10' AS ts RETURNING jsonb); - json_query ------------------------------ - "2018-02-21T02:34:56+00:00" -(1 row) - --- Test constraints -CREATE TABLE test_jsonb_constraints ( - js text, - i int, - x jsonb DEFAULT JSON_QUERY(jsonb '[1,2]', '$[*]' WITH WRAPPER) - CONSTRAINT test_jsonb_constraint1 - CHECK (js IS JSON) - CONSTRAINT test_jsonb_constraint2 - CHECK (JSON_EXISTS(js::jsonb, '$.a' PASSING i + 5 AS int, i::text AS "TXT", array[1,2,3] as arr)) - CONSTRAINT test_jsonb_constraint3 - CHECK (JSON_VALUE(js::jsonb, '$.a' RETURNING int DEFAULT '12' ON EMPTY ERROR ON ERROR) > i) - CONSTRAINT test_jsonb_constraint4 - CHECK (JSON_QUERY(js::jsonb, '$.a' WITH CONDITIONAL WRAPPER EMPTY OBJECT ON ERROR) = jsonb '[10]') - CONSTRAINT test_jsonb_constraint5 - CHECK (JSON_QUERY(js::jsonb, '$.a' RETURNING char(5) OMIT QUOTES EMPTY ARRAY ON EMPTY) > 'a' COLLATE "C") -); -\d test_jsonb_constraints - Table "public.test_jsonb_constraints" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+-------------------------------------------------------------------------------------------- - js | text | | | - i | integer | | | - x | jsonb | | | JSON_QUERY('[1, 2]'::jsonb, '$[*]' RETURNING jsonb WITH UNCONDITIONAL WRAPPER KEEP QUOTES) -Check constraints: - "test_jsonb_constraint1" CHECK (js IS JSON) - "test_jsonb_constraint2" CHECK (JSON_EXISTS(js::jsonb, '$."a"' PASSING i + 5 AS "int", i::text AS "TXT", ARRAY[1, 2, 3] AS arr)) - "test_jsonb_constraint3" CHECK (JSON_VALUE(js::jsonb, '$."a"' RETURNING integer DEFAULT 12 ON EMPTY ERROR ON ERROR) > i) - "test_jsonb_constraint4" CHECK (JSON_QUERY(js::jsonb, '$."a"' RETURNING jsonb WITH CONDITIONAL WRAPPER KEEP QUOTES EMPTY OBJECT ON ERROR) = '[10]'::jsonb) - "test_jsonb_constraint5" CHECK (JSON_QUERY(js::jsonb, '$."a"' RETURNING character(5) WITHOUT WRAPPER OMIT QUOTES EMPTY ARRAY ON EMPTY) > ('a'::bpchar COLLATE "C")) - -SELECT check_clause -FROM information_schema.check_constraints -WHERE constraint_name LIKE 'test_jsonb_constraint%' -ORDER BY 1; - check_clause ----------------------------------------------------------------------------------------------------------------------------------------- - (JSON_QUERY((js)::jsonb, '$."a"' RETURNING character(5) WITHOUT WRAPPER OMIT QUOTES EMPTY ARRAY ON EMPTY) > ('a'::bpchar COLLATE "C")) - (JSON_QUERY((js)::jsonb, '$."a"' RETURNING jsonb WITH CONDITIONAL WRAPPER KEEP QUOTES EMPTY OBJECT ON ERROR) = '[10]'::jsonb) - (JSON_VALUE((js)::jsonb, '$."a"' RETURNING integer DEFAULT 12 ON EMPTY ERROR ON ERROR) > i) - (js IS JSON) - JSON_EXISTS((js)::jsonb, '$."a"' PASSING (i + 5) AS "int", (i)::text AS "TXT", ARRAY[1, 2, 3] AS arr) -(5 rows) - -SELECT pg_get_expr(adbin, adrelid) -FROM pg_attrdef -WHERE adrelid = 'test_jsonb_constraints'::regclass -ORDER BY 1; - pg_get_expr --------------------------------------------------------------------------------------------- - JSON_QUERY('[1, 2]'::jsonb, '$[*]' RETURNING jsonb WITH UNCONDITIONAL WRAPPER KEEP QUOTES) -(1 row) - -INSERT INTO test_jsonb_constraints VALUES ('', 1); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint1" -DETAIL: Failing row contains (, 1, [1, 2]). -INSERT INTO test_jsonb_constraints VALUES ('1', 1); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint2" -DETAIL: Failing row contains (1, 1, [1, 2]). -INSERT INTO test_jsonb_constraints VALUES ('[]'); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint2" -DETAIL: Failing row contains ([], null, [1, 2]). -INSERT INTO test_jsonb_constraints VALUES ('{"b": 1}', 1); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint2" -DETAIL: Failing row contains ({"b": 1}, 1, [1, 2]). -INSERT INTO test_jsonb_constraints VALUES ('{"a": 1}', 1); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint3" -DETAIL: Failing row contains ({"a": 1}, 1, [1, 2]). -INSERT INTO test_jsonb_constraints VALUES ('{"a": 10}', 1); -ERROR: new row for relation "test_jsonb_constraints" violates check constraint "test_jsonb_constraint4" -DETAIL: Failing row contains ({"a": 10}, 1, [1, 2]). -DROP TABLE test_jsonb_constraints; --- Test mutabilily of query functions -CREATE TABLE test_jsonb_mutability(js jsonb, b int); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a[0]')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.time()')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.date()')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.time_tz()')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.timestamp()')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.timestamp_tz()')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.date() < $.time_tz())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.date() < $.time())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.time() < $.time())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.time() < $.time_tz())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp() < $.timestamp_tz())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp_tz() < $.timestamp_tz())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.time() < $.datetime("HH:MI TZH"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.date() < $.datetime("HH:MI TZH"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp() < $.datetime("HH:MI TZH"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp() < $.datetime("HH:MI"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp_tz() < $.datetime("HH:MI TZH"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp_tz() < $.datetime("HH:MI"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.date() < $x' PASSING '12:34'::timetz AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.date() < $x' PASSING '1234'::int AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.timestamp(2) < $.timestamp(3))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime()')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@ < $.datetime())')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.datetime() < $.datetime())')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.datetime() < $.datetime("HH:MI TZH"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.datetime("HH:MI TZH") < $.datetime("HH:MI TZH"))')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.datetime("HH:MI") < $.datetime("YY-MM-DD HH:MI"))')); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.a ? (@.datetime("HH:MI TZH") < $.datetime("YY-MM-DD HH:MI"))')); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime("HH:MI TZH") < $x' PASSING '12:34'::timetz AS x)); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime("HH:MI TZH") < $y' PASSING '12:34'::timetz AS x)); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime() < $x' PASSING '12:34'::timetz AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime() < $x' PASSING '1234'::int AS x)); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime() ? (@ == $x)' PASSING '12:34'::time AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$.datetime("YY-MM-DD") ? (@ == $x)' PASSING '2020-07-14'::date AS x)); -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$[1, $.a ? (@.datetime() == $x)]' PASSING '12:34'::time AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$[1, 0 to $.a ? (@.datetime() == $x)]' PASSING '12:34'::time AS x)); -ERROR: functions in index expression must be marked IMMUTABLE -CREATE INDEX ON test_jsonb_mutability (JSON_QUERY(js, '$[1, $.a ? (@.datetime("HH:MI") == $x)]' PASSING '12:34'::time AS x)); -CREATE INDEX ON test_jsonb_mutability (JSON_VALUE(js, '$' DEFAULT random()::int ON ERROR)); -ERROR: functions in index expression must be marked IMMUTABLE --- DEFAULT expression -CREATE OR REPLACE FUNCTION ret_setint() RETURNS SETOF integer AS -$$ -BEGIN - RETURN QUERY EXECUTE 'select 1 union all select 1'; -END; -$$ -LANGUAGE plpgsql IMMUTABLE; -SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT ret_setint() ON ERROR) FROM test_jsonb_mutability; -ERROR: DEFAULT expression must not return a set -LINE 1: SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT ret_setint(... - ^ -SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT b + 1 ON ERROR) FROM test_jsonb_mutability; -ERROR: DEFAULT expression must not contain column references -LINE 1: SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT b + 1 ON ER... - ^ -SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT sum(1) over() ON ERROR) FROM test_jsonb_mutability; -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT sum(1) over... - ^ -SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT (SELECT 1) ON ERROR) FROM test_jsonb_mutability; -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: SELECT JSON_QUERY(js, '$' RETURNING int DEFAULT (SELECT 1) ... - ^ -DROP TABLE test_jsonb_mutability; -DROP FUNCTION ret_setint; -CREATE DOMAIN queryfuncs_test_domain AS text CHECK (value <> 'foo'); -SELECT JSON_VALUE(jsonb '{"d1": "H"}', '$.a2' RETURNING queryfuncs_test_domain DEFAULT 'foo'::queryfuncs_test_domain ON EMPTY); -ERROR: could not coerce ON EMPTY expression (DEFAULT) to the RETURNING type -DETAIL: value for domain queryfuncs_test_domain violates check constraint "queryfuncs_test_domain_check" -SELECT JSON_VALUE(jsonb '{"d1": "H"}', '$.a2' RETURNING queryfuncs_test_domain DEFAULT 'foo1'::queryfuncs_test_domain ON EMPTY); - json_value ------------- - foo1 -(1 row) - -SELECT JSON_VALUE(jsonb '{"d1": "H"}', '$.a2' RETURNING queryfuncs_test_domain DEFAULT '"foo1"'::jsonb::text ON EMPTY); - json_value ------------- - "foo1" -(1 row) - -SELECT JSON_VALUE(jsonb '{"d1": "foo"}', '$.a2' RETURNING queryfuncs_test_domain DEFAULT 'foo1'::queryfuncs_test_domain ON EMPTY); - json_value ------------- - foo1 -(1 row) - --- Check the cases where a coercion-related expression is masking an --- unsupported expressions --- CoerceViaIO -SELECT JSON_QUERY('"a"', '$.a' RETURNING int DEFAULT (SELECT '"1"')::jsonb ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ...CT JSON_QUERY('"a"', '$.a' RETURNING int DEFAULT (SELECT '"... - ^ --- CoerceToDomain -SELECT JSON_QUERY('"a"', '$.a' RETURNING queryfuncs_test_domain DEFAULT (select '"1"')::queryfuncs_test_domain ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ...', '$.a' RETURNING queryfuncs_test_domain DEFAULT (select '"... - ^ --- RelabelType -SELECT JSON_QUERY('"a"', '$.a' RETURNING int DEFAULT (SELECT 1)::oid::int ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ...CT JSON_QUERY('"a"', '$.a' RETURNING int DEFAULT (SELECT 1)... - ^ --- ArrayCoerceExpr -SELECT JSON_QUERY('"a"', '$.a' RETURNING int[] DEFAULT (SELECT '{1}')::oid[]::int[] ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ... JSON_QUERY('"a"', '$.a' RETURNING int[] DEFAULT (SELECT '{... - ^ --- CollateExpr -SELECT JSON_QUERY('"a"', '$.a' RETURNING int[] DEFAULT (SELECT '{1}')::text COLLATE "C" ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ... JSON_QUERY('"a"', '$.a' RETURNING int[] DEFAULT (SELECT '{... - ^ --- ConvertRowtypeExpr -CREATE TABLE someparent (a int); -CREATE TABLE somechild () INHERITS (someparent); -SELECT JSON_QUERY('"a"', '$.a' RETURNING someparent DEFAULT (SELECT '(1)')::somechild::someparent ON ERROR); -ERROR: can only specify a constant, non-aggregate function, or operator expression for DEFAULT -LINE 1: ..._QUERY('"a"', '$.a' RETURNING someparent DEFAULT (SELECT '(... - ^ -DROP DOMAIN queryfuncs_test_domain; -DROP TABLE someparent, somechild; --- Extension: non-constant JSON path -SELECT JSON_EXISTS(jsonb '{"a": 123}', '$' || '.' || 'a'); - json_exists -------------- - t -(1 row) - -SELECT JSON_VALUE(jsonb '{"a": 123}', '$' || '.' || 'a'); - json_value ------------- - 123 -(1 row) - -SELECT JSON_VALUE(jsonb '{"a": 123}', '$' || '.' || 'b' DEFAULT 'foo' ON EMPTY); - json_value ------------- - foo -(1 row) - -SELECT JSON_QUERY(jsonb '{"a": 123}', '$' || '.' || 'a'); - json_query ------------- - 123 -(1 row) - -SELECT JSON_QUERY(jsonb '{"a": 123}', '$' || '.' || 'a' WITH WRAPPER); - json_query ------------- - [123] -(1 row) - --- Should fail (invalid path) -SELECT JSON_QUERY(jsonb '{"a": 123}', 'error' || ' ' || 'error'); -ERROR: syntax error at or near " " of jsonpath input --- Non-jsonb inputs automatically coerced to jsonb -SELECT JSON_EXISTS(json '{"a": 123}', '$' || '.' || 'a'); - json_exists -------------- - t -(1 row) - -SELECT JSON_QUERY(NULL FORMAT JSON, '$'); - json_query ------------- - -(1 row) - --- Test non-const jsonpath -CREATE TEMP TABLE jsonpaths (path) AS SELECT '$'; -SELECT json_value('"aaa"', path RETURNING json) FROM jsonpaths; - json_value ------------- - "aaa" -(1 row) - --- Test PASSING argument parsing -SELECT JSON_QUERY(jsonb 'null', '$xyz' PASSING 1 AS xy); -ERROR: could not find jsonpath variable "xyz" -SELECT JSON_QUERY(jsonb 'null', '$xy' PASSING 1 AS xyz); -ERROR: could not find jsonpath variable "xy" -SELECT JSON_QUERY(jsonb 'null', '$xyz' PASSING 1 AS xyz); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb 'null', '$Xyz' PASSING 1 AS Xyz); -ERROR: could not find jsonpath variable "Xyz" -SELECT JSON_QUERY(jsonb 'null', '$Xyz' PASSING 1 AS "Xyz"); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb 'null', '$"Xyz"' PASSING 1 AS "Xyz"); - json_query ------------- - 1 -(1 row) - --- Test ON ERROR / EMPTY value validity for the function; all fail. -SELECT JSON_EXISTS(jsonb '1', '$' DEFAULT 1 ON ERROR); -ERROR: invalid ON ERROR behavior -LINE 1: SELECT JSON_EXISTS(jsonb '1', '$' DEFAULT 1 ON ERROR); - ^ -DETAIL: Only ERROR, TRUE, FALSE, or UNKNOWN is allowed in ON ERROR for JSON_EXISTS(). -SELECT JSON_VALUE(jsonb '1', '$' EMPTY ON ERROR); -ERROR: invalid ON ERROR behavior -LINE 1: SELECT JSON_VALUE(jsonb '1', '$' EMPTY ON ERROR); - ^ -DETAIL: Only ERROR, NULL, or DEFAULT expression is allowed in ON ERROR for JSON_VALUE(). -SELECT JSON_QUERY(jsonb '1', '$' TRUE ON ERROR); -ERROR: invalid ON ERROR behavior -LINE 1: SELECT JSON_QUERY(jsonb '1', '$' TRUE ON ERROR); - ^ -DETAIL: Only ERROR, NULL, EMPTY ARRAY, EMPTY OBJECT, or DEFAULT expression is allowed in ON ERROR for JSON_QUERY(). --- Test implicit coercion to a domain over fixed-length type specified in --- RETURNING -CREATE DOMAIN queryfuncs_char2 AS char(2); -CREATE DOMAIN queryfuncs_char2_chk AS char(2) CHECK (VALUE NOT IN ('12')); -SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR); -ERROR: value too long for type character(2) -SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT '1' ON ERROR); - json_query ------------- - 1 -(1 row) - -SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR); -ERROR: value too long for type character(2) -SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT '1' ON ERROR); - json_query ------------- - 1 -(1 row) - -SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR); -ERROR: value too long for type character(2) -SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT 1 ON ERROR); - json_value ------------- - 1 -(1 row) - -SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR); -ERROR: value too long for type character(2) -SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT 1 ON ERROR); - json_value ------------- - 1 -(1 row) - -DROP DOMAIN queryfuncs_char2, queryfuncs_char2_chk; --- Test coercion to domain over another fixed-length type of the ON ERROR / --- EMPTY expressions. Ask user to cast the DEFAULT expression explicitly if --- automatic casting cannot be done, for example, from int to bit(2). -CREATE DOMAIN queryfuncs_d_varbit3 AS varbit(3) CHECK (VALUE <> '01'); -SELECT JSON_VALUE(jsonb '1234', '$' RETURNING queryfuncs_d_varbit3 DEFAULT '111111' ON ERROR); -ERROR: bit string too long for type bit varying(3) -SELECT JSON_VALUE(jsonb '1234', '$' RETURNING queryfuncs_d_varbit3 DEFAULT '010' ON ERROR); - json_value ------------- - 010 -(1 row) - -SELECT JSON_VALUE(jsonb '1234', '$' RETURNING queryfuncs_d_varbit3 DEFAULT '01' ON ERROR); -ERROR: could not coerce ON ERROR expression (DEFAULT) to the RETURNING type -DETAIL: value for domain queryfuncs_d_varbit3 violates check constraint "queryfuncs_d_varbit3_check" -SELECT JSON_VALUE(jsonb '"111"', '$' RETURNING bit(2) ERROR ON ERROR); -ERROR: bit string length 3 does not match type bit(2) -SELECT JSON_VALUE(jsonb '1234', '$' RETURNING bit(3) DEFAULT 1 ON ERROR); -ERROR: cannot cast behavior expression of type integer to bit -LINE 1: ...VALUE(jsonb '1234', '$' RETURNING bit(3) DEFAULT 1 ON ERROR... - ^ -HINT: You will need to explicitly cast the expression to type bit. -SELECT JSON_VALUE(jsonb '1234', '$' RETURNING bit(3) DEFAULT 1::bit(3) ON ERROR); - json_value ------------- - 001 -(1 row) - -SELECT JSON_VALUE(jsonb '"111"', '$.a' RETURNING bit(3) DEFAULT '1111' ON EMPTY); -ERROR: bit string length 4 does not match type bit(3) -DROP DOMAIN queryfuncs_d_varbit3; +WARNING: terminating connection because of crash of another server process +DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. +HINT: In a moment you should be able to reconnect to the database and repeat your command. +server closed the connection unexpectedly + This probably means the server terminated abnormally + before or while processing the request. +connection to server was lost diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/plancache.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/plancache.out --- /tmp/cirrus-ci-build/src/test/regress/expected/plancache.out 2025-06-04 16:00:28.772961000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/plancache.out 2025-06-04 16:05:10.985426000 +0000 @@ -1,400 +1,2 @@ --- --- Tests to exercise the plan caching/invalidation mechanism --- -CREATE TEMP TABLE pcachetest AS SELECT * FROM int8_tbl; --- create and use a cached plan -PREPARE prepstmt AS SELECT * FROM pcachetest; -EXECUTE prepstmt; - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - --- and one with parameters -PREPARE prepstmt2(bigint) AS SELECT * FROM pcachetest WHERE q1 = $1; -EXECUTE prepstmt2(123); - q1 | q2 ------+------------------ - 123 | 456 - 123 | 4567890123456789 -(2 rows) - --- invalidate the plans and see what happens -DROP TABLE pcachetest; -EXECUTE prepstmt; -ERROR: relation "pcachetest" does not exist -EXECUTE prepstmt2(123); -ERROR: relation "pcachetest" does not exist --- recreate the temp table (this demonstrates that the raw plan is --- purely textual and doesn't depend on OIDs, for instance) -CREATE TEMP TABLE pcachetest AS SELECT * FROM int8_tbl ORDER BY 2; -EXECUTE prepstmt; - q1 | q2 -------------------+------------------- - 4567890123456789 | -4567890123456789 - 4567890123456789 | 123 - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 4567890123456789 -(5 rows) - -EXECUTE prepstmt2(123); - q1 | q2 ------+------------------ - 123 | 456 - 123 | 4567890123456789 -(2 rows) - --- prepared statements should prevent change in output tupdesc, --- since clients probably aren't expecting that to change on the fly -ALTER TABLE pcachetest ADD COLUMN q3 bigint; -EXECUTE prepstmt; -ERROR: cached plan must not change result type -EXECUTE prepstmt2(123); -ERROR: cached plan must not change result type --- but we're nice guys and will let you undo your mistake -ALTER TABLE pcachetest DROP COLUMN q3; -EXECUTE prepstmt; - q1 | q2 -------------------+------------------- - 4567890123456789 | -4567890123456789 - 4567890123456789 | 123 - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 4567890123456789 -(5 rows) - -EXECUTE prepstmt2(123); - q1 | q2 ------+------------------ - 123 | 456 - 123 | 4567890123456789 -(2 rows) - --- Try it with a view, which isn't directly used in the resulting plan --- but should trigger invalidation anyway -CREATE TEMP VIEW pcacheview AS - SELECT * FROM pcachetest; -PREPARE vprep AS SELECT * FROM pcacheview; -EXECUTE vprep; - q1 | q2 -------------------+------------------- - 4567890123456789 | -4567890123456789 - 4567890123456789 | 123 - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 4567890123456789 -(5 rows) - -CREATE OR REPLACE TEMP VIEW pcacheview AS - SELECT q1, q2/2 AS q2 FROM pcachetest; -EXECUTE vprep; - q1 | q2 -------------------+------------------- - 4567890123456789 | -2283945061728394 - 4567890123456789 | 61 - 123 | 228 - 123 | 2283945061728394 - 4567890123456789 | 2283945061728394 -(5 rows) - --- Check basic SPI plan invalidation -create function cache_test(int) returns int as $$ -declare total int; -begin - create temp table t1(f1 int); - insert into t1 values($1); - insert into t1 values(11); - insert into t1 values(12); - insert into t1 values(13); - select sum(f1) into total from t1; - drop table t1; - return total; -end -$$ language plpgsql; -select cache_test(1); - cache_test ------------- - 37 -(1 row) - -select cache_test(2); - cache_test ------------- - 38 -(1 row) - -select cache_test(3); - cache_test ------------- - 39 -(1 row) - --- Check invalidation of plpgsql "simple expression" -create temp view v1 as - select 2+2 as f1; -create function cache_test_2() returns int as $$ -begin - return f1 from v1; -end$$ language plpgsql; -select cache_test_2(); - cache_test_2 --------------- - 4 -(1 row) - -create or replace temp view v1 as - select 2+2+4 as f1; -select cache_test_2(); - cache_test_2 --------------- - 8 -(1 row) - -create or replace temp view v1 as - select 2+2+4+(select max(unique1) from tenk1) as f1; -select cache_test_2(); - cache_test_2 --------------- - 10007 -(1 row) - ---- Check that change of search_path is honored when re-using cached plan -create schema s1 - create table abc (f1 int); -create schema s2 - create table abc (f1 int); -insert into s1.abc values(123); -insert into s2.abc values(456); -set search_path = s1; -prepare p1 as select f1 from abc; -execute p1; - f1 ------ - 123 -(1 row) - -set search_path = s2; -select f1 from abc; - f1 ------ - 456 -(1 row) - -execute p1; - f1 ------ - 456 -(1 row) - -alter table s1.abc add column f2 float8; -- force replan -execute p1; - f1 ------ - 456 -(1 row) - -drop schema s1 cascade; -NOTICE: drop cascades to table s1.abc -drop schema s2 cascade; -NOTICE: drop cascades to table abc -reset search_path; --- Check that invalidation deals with regclass constants -create temp sequence seq; -prepare p2 as select nextval('seq'); -execute p2; - nextval ---------- - 1 -(1 row) - -drop sequence seq; -create temp sequence seq; -execute p2; - nextval ---------- - 1 -(1 row) - --- Check DDL via SPI, immediately followed by SPI plan re-use --- (bug in original coding) -create function cachebug() returns void as $$ -declare r int; -begin - drop table if exists temptable cascade; - create temp table temptable as select * from generate_series(1,3) as f1; - create temp view vv as select * from temptable; - for r in select * from vv loop - raise notice '%', r; - end loop; -end$$ language plpgsql; -select cachebug(); -NOTICE: table "temptable" does not exist, skipping -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 - cachebug ----------- - -(1 row) - -select cachebug(); -NOTICE: drop cascades to view vv -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 - cachebug ----------- - -(1 row) - --- Check that addition or removal of any partition is correctly dealt with by --- default partition table when it is being used in prepared statement. -create table pc_list_parted (a int) partition by list(a); -create table pc_list_part_null partition of pc_list_parted for values in (null); -create table pc_list_part_1 partition of pc_list_parted for values in (1); -create table pc_list_part_def partition of pc_list_parted default; -prepare pstmt_def_insert (int) as insert into pc_list_part_def values($1); --- should fail -execute pstmt_def_insert(null); -ERROR: new row for relation "pc_list_part_def" violates partition constraint -DETAIL: Failing row contains (null). -execute pstmt_def_insert(1); -ERROR: new row for relation "pc_list_part_def" violates partition constraint -DETAIL: Failing row contains (1). -create table pc_list_part_2 partition of pc_list_parted for values in (2); -execute pstmt_def_insert(2); -ERROR: new row for relation "pc_list_part_def" violates partition constraint -DETAIL: Failing row contains (2). -alter table pc_list_parted detach partition pc_list_part_null; --- should be ok -execute pstmt_def_insert(null); -drop table pc_list_part_1; --- should be ok -execute pstmt_def_insert(1); -drop table pc_list_parted, pc_list_part_null; -deallocate pstmt_def_insert; --- Test plan_cache_mode -create table test_mode (a int); -insert into test_mode select 1 from generate_series(1,1000) union all select 2; -create index on test_mode (a); -analyze test_mode; -prepare test_mode_pp (int) as select count(*) from test_mode where a = $1; -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 0 | 0 -(1 row) - --- up to 5 executions, custom plan is used -set plan_cache_mode to auto; -explain (costs off) execute test_mode_pp(2); - QUERY PLAN ----------------------------------------------------------- - Aggregate - -> Index Only Scan using test_mode_a_idx on test_mode - Index Cond: (a = 2) -(3 rows) - -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 0 | 1 -(1 row) - --- force generic plan -set plan_cache_mode to force_generic_plan; -explain (costs off) execute test_mode_pp(2); - QUERY PLAN ------------------------------ - Aggregate - -> Seq Scan on test_mode - Filter: (a = $1) -(3 rows) - -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 1 | 1 -(1 row) - --- get to generic plan by 5 executions -set plan_cache_mode to auto; -execute test_mode_pp(1); -- 1x - count -------- - 1000 -(1 row) - -execute test_mode_pp(1); -- 2x - count -------- - 1000 -(1 row) - -execute test_mode_pp(1); -- 3x - count -------- - 1000 -(1 row) - -execute test_mode_pp(1); -- 4x - count -------- - 1000 -(1 row) - -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 1 | 5 -(1 row) - -execute test_mode_pp(1); -- 5x - count -------- - 1000 -(1 row) - -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 2 | 5 -(1 row) - --- we should now get a really bad plan -explain (costs off) execute test_mode_pp(2); - QUERY PLAN ------------------------------ - Aggregate - -> Seq Scan on test_mode - Filter: (a = $1) -(3 rows) - --- but we can force a custom plan -set plan_cache_mode to force_custom_plan; -explain (costs off) execute test_mode_pp(2); - QUERY PLAN ----------------------------------------------------------- - Aggregate - -> Index Only Scan using test_mode_a_idx on test_mode - Index Cond: (a = 2) -(3 rows) - -select name, generic_plans, custom_plans from pg_prepared_statements - where name = 'test_mode_pp'; - name | generic_plans | custom_plans ---------------+---------------+-------------- - test_mode_pp | 3 | 6 -(1 row) - -drop table test_mode; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/limit.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/limit.out --- /tmp/cirrus-ci-build/src/test/regress/expected/limit.out 2025-06-04 16:00:28.757948000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/limit.out 2025-06-04 16:05:10.991164000 +0000 @@ -1,712 +1,2 @@ --- --- LIMIT --- Check the LIMIT/OFFSET feature of SELECT --- -SELECT ''::text AS two, unique1, unique2, stringu1 - FROM onek WHERE unique1 > 50 - ORDER BY unique1 LIMIT 2; - two | unique1 | unique2 | stringu1 ------+---------+---------+---------- - | 51 | 76 | ZBAAAA - | 52 | 985 | ACAAAA -(2 rows) - -SELECT ''::text AS five, unique1, unique2, stringu1 - FROM onek WHERE unique1 > 60 - ORDER BY unique1 LIMIT 5; - five | unique1 | unique2 | stringu1 -------+---------+---------+---------- - | 61 | 560 | JCAAAA - | 62 | 633 | KCAAAA - | 63 | 296 | LCAAAA - | 64 | 479 | MCAAAA - | 65 | 64 | NCAAAA -(5 rows) - -SELECT ''::text AS two, unique1, unique2, stringu1 - FROM onek WHERE unique1 > 60 AND unique1 < 63 - ORDER BY unique1 LIMIT 5; - two | unique1 | unique2 | stringu1 ------+---------+---------+---------- - | 61 | 560 | JCAAAA - | 62 | 633 | KCAAAA -(2 rows) - -SELECT ''::text AS three, unique1, unique2, stringu1 - FROM onek WHERE unique1 > 100 - ORDER BY unique1 LIMIT 3 OFFSET 20; - three | unique1 | unique2 | stringu1 --------+---------+---------+---------- - | 121 | 700 | REAAAA - | 122 | 519 | SEAAAA - | 123 | 777 | TEAAAA -(3 rows) - -SELECT ''::text AS zero, unique1, unique2, stringu1 - FROM onek WHERE unique1 < 50 - ORDER BY unique1 DESC LIMIT 8 OFFSET 99; - zero | unique1 | unique2 | stringu1 -------+---------+---------+---------- -(0 rows) - -SELECT ''::text AS eleven, unique1, unique2, stringu1 - FROM onek WHERE unique1 < 50 - ORDER BY unique1 DESC LIMIT 20 OFFSET 39; - eleven | unique1 | unique2 | stringu1 ---------+---------+---------+---------- - | 10 | 520 | KAAAAA - | 9 | 49 | JAAAAA - | 8 | 653 | IAAAAA - | 7 | 647 | HAAAAA - | 6 | 978 | GAAAAA - | 5 | 541 | FAAAAA - | 4 | 833 | EAAAAA - | 3 | 431 | DAAAAA - | 2 | 326 | CAAAAA - | 1 | 214 | BAAAAA - | 0 | 998 | AAAAAA -(11 rows) - -SELECT ''::text AS ten, unique1, unique2, stringu1 - FROM onek - ORDER BY unique1 OFFSET 990; - ten | unique1 | unique2 | stringu1 ------+---------+---------+---------- - | 990 | 369 | CMAAAA - | 991 | 426 | DMAAAA - | 992 | 363 | EMAAAA - | 993 | 661 | FMAAAA - | 994 | 695 | GMAAAA - | 995 | 144 | HMAAAA - | 996 | 258 | IMAAAA - | 997 | 21 | JMAAAA - | 998 | 549 | KMAAAA - | 999 | 152 | LMAAAA -(10 rows) - -SELECT ''::text AS five, unique1, unique2, stringu1 - FROM onek - ORDER BY unique1 OFFSET 990 LIMIT 5; - five | unique1 | unique2 | stringu1 -------+---------+---------+---------- - | 990 | 369 | CMAAAA - | 991 | 426 | DMAAAA - | 992 | 363 | EMAAAA - | 993 | 661 | FMAAAA - | 994 | 695 | GMAAAA -(5 rows) - -SELECT ''::text AS five, unique1, unique2, stringu1 - FROM onek - ORDER BY unique1 LIMIT 5 OFFSET 900; - five | unique1 | unique2 | stringu1 -------+---------+---------+---------- - | 900 | 913 | QIAAAA - | 901 | 931 | RIAAAA - | 902 | 702 | SIAAAA - | 903 | 641 | TIAAAA - | 904 | 793 | UIAAAA -(5 rows) - --- Test null limit and offset. The planner would discard a simple null --- constant, so to ensure executor is exercised, do this: -select * from int8_tbl limit (case when random() < 0.5 then null::bigint end); - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - -select * from int8_tbl offset (case when random() < 0.5 then null::bigint end); - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - --- Test assorted cases involving backwards fetch from a LIMIT plan node -begin; -declare c1 cursor for select * from int8_tbl limit 10; -fetch all in c1; - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - -fetch 1 in c1; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c1; - q1 | q2 -------------------+------------------- - 4567890123456789 | -4567890123456789 -(1 row) - -fetch backward all in c1; - q1 | q2 -------------------+------------------ - 4567890123456789 | 4567890123456789 - 4567890123456789 | 123 - 123 | 4567890123456789 - 123 | 456 -(4 rows) - -fetch backward 1 in c1; - q1 | q2 -----+---- -(0 rows) - -fetch all in c1; - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - -declare c2 cursor for select * from int8_tbl limit 3; -fetch all in c2; - q1 | q2 -------------------+------------------ - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 -(3 rows) - -fetch 1 in c2; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c2; - q1 | q2 -------------------+----- - 4567890123456789 | 123 -(1 row) - -fetch backward all in c2; - q1 | q2 ------+------------------ - 123 | 4567890123456789 - 123 | 456 -(2 rows) - -fetch backward 1 in c2; - q1 | q2 -----+---- -(0 rows) - -fetch all in c2; - q1 | q2 -------------------+------------------ - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 -(3 rows) - -declare c3 cursor for select * from int8_tbl offset 3; -fetch all in c3; - q1 | q2 -------------------+------------------- - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(2 rows) - -fetch 1 in c3; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c3; - q1 | q2 -------------------+------------------- - 4567890123456789 | -4567890123456789 -(1 row) - -fetch backward all in c3; - q1 | q2 -------------------+------------------ - 4567890123456789 | 4567890123456789 -(1 row) - -fetch backward 1 in c3; - q1 | q2 -----+---- -(0 rows) - -fetch all in c3; - q1 | q2 -------------------+------------------- - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(2 rows) - -declare c4 cursor for select * from int8_tbl offset 10; -fetch all in c4; - q1 | q2 -----+---- -(0 rows) - -fetch 1 in c4; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c4; - q1 | q2 -----+---- -(0 rows) - -fetch backward all in c4; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c4; - q1 | q2 -----+---- -(0 rows) - -fetch all in c4; - q1 | q2 -----+---- -(0 rows) - -declare c5 cursor for select * from int8_tbl order by q1 fetch first 2 rows with ties; -fetch all in c5; - q1 | q2 ------+------------------ - 123 | 456 - 123 | 4567890123456789 -(2 rows) - -fetch 1 in c5; - q1 | q2 -----+---- -(0 rows) - -fetch backward 1 in c5; - q1 | q2 ------+------------------ - 123 | 4567890123456789 -(1 row) - -fetch backward 1 in c5; - q1 | q2 ------+----- - 123 | 456 -(1 row) - -fetch all in c5; - q1 | q2 ------+------------------ - 123 | 4567890123456789 -(1 row) - -fetch backward all in c5; - q1 | q2 ------+------------------ - 123 | 4567890123456789 - 123 | 456 -(2 rows) - -fetch all in c5; - q1 | q2 ------+------------------ - 123 | 456 - 123 | 4567890123456789 -(2 rows) - -fetch backward all in c5; - q1 | q2 ------+------------------ - 123 | 4567890123456789 - 123 | 456 -(2 rows) - -rollback; --- Stress test for variable LIMIT in conjunction with bounded-heap sorting -SELECT - (SELECT n - FROM (VALUES (1)) AS x, - (SELECT n FROM generate_series(1,10) AS n - ORDER BY n LIMIT 1 OFFSET s-1) AS y) AS z - FROM generate_series(1,10) AS s; - z ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(10 rows) - --- --- Test behavior of volatile and set-returning functions in conjunction --- with ORDER BY and LIMIT. --- -create temp sequence testseq; -explain (verbose, costs off) -select unique1, unique2, nextval('testseq') - from tenk1 order by unique2 limit 10; - QUERY PLAN ----------------------------------------------------------------- - Limit - Output: unique1, unique2, (nextval('testseq'::regclass)) - -> Index Scan using tenk1_unique2 on public.tenk1 - Output: unique1, unique2, nextval('testseq'::regclass) -(4 rows) - -select unique1, unique2, nextval('testseq') - from tenk1 order by unique2 limit 10; - unique1 | unique2 | nextval ----------+---------+--------- - 8800 | 0 | 1 - 1891 | 1 | 2 - 3420 | 2 | 3 - 9850 | 3 | 4 - 7164 | 4 | 5 - 8009 | 5 | 6 - 5057 | 6 | 7 - 6701 | 7 | 8 - 4321 | 8 | 9 - 3043 | 9 | 10 -(10 rows) - -select currval('testseq'); - currval ---------- - 10 -(1 row) - -explain (verbose, costs off) -select unique1, unique2, nextval('testseq') - from tenk1 order by tenthous limit 10; - QUERY PLAN --------------------------------------------------------------------------- - Limit - Output: unique1, unique2, (nextval('testseq'::regclass)), tenthous - -> Result - Output: unique1, unique2, nextval('testseq'::regclass), tenthous - -> Sort - Output: unique1, unique2, tenthous - Sort Key: tenk1.tenthous - -> Seq Scan on public.tenk1 - Output: unique1, unique2, tenthous -(9 rows) - -select unique1, unique2, nextval('testseq') - from tenk1 order by tenthous limit 10; - unique1 | unique2 | nextval ----------+---------+--------- - 0 | 9998 | 11 - 1 | 2838 | 12 - 2 | 2716 | 13 - 3 | 5679 | 14 - 4 | 1621 | 15 - 5 | 5557 | 16 - 6 | 2855 | 17 - 7 | 8518 | 18 - 8 | 5435 | 19 - 9 | 4463 | 20 -(10 rows) - -select currval('testseq'); - currval ---------- - 20 -(1 row) - -explain (verbose, costs off) -select unique1, unique2, generate_series(1,10) - from tenk1 order by unique2 limit 7; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------------- - Limit - Output: unique1, unique2, (generate_series(1, 10)) - -> ProjectSet - Output: unique1, unique2, generate_series(1, 10) - -> Index Scan using tenk1_unique2 on public.tenk1 - Output: unique1, unique2, two, four, ten, twenty, hundred, thousand, twothousand, fivethous, tenthous, odd, even, stringu1, stringu2, string4 -(6 rows) - -select unique1, unique2, generate_series(1,10) - from tenk1 order by unique2 limit 7; - unique1 | unique2 | generate_series ----------+---------+----------------- - 8800 | 0 | 1 - 8800 | 0 | 2 - 8800 | 0 | 3 - 8800 | 0 | 4 - 8800 | 0 | 5 - 8800 | 0 | 6 - 8800 | 0 | 7 -(7 rows) - -explain (verbose, costs off) -select unique1, unique2, generate_series(1,10) - from tenk1 order by tenthous limit 7; - QUERY PLAN --------------------------------------------------------------------- - Limit - Output: unique1, unique2, (generate_series(1, 10)), tenthous - -> ProjectSet - Output: unique1, unique2, generate_series(1, 10), tenthous - -> Sort - Output: unique1, unique2, tenthous - Sort Key: tenk1.tenthous - -> Seq Scan on public.tenk1 - Output: unique1, unique2, tenthous -(9 rows) - -select unique1, unique2, generate_series(1,10) - from tenk1 order by tenthous limit 7; - unique1 | unique2 | generate_series ----------+---------+----------------- - 0 | 9998 | 1 - 0 | 9998 | 2 - 0 | 9998 | 3 - 0 | 9998 | 4 - 0 | 9998 | 5 - 0 | 9998 | 6 - 0 | 9998 | 7 -(7 rows) - --- use of random() is to keep planner from folding the expressions together -explain (verbose, costs off) -select generate_series(0,2) as s1, generate_series((random()*.1)::int,2) as s2; - QUERY PLAN ------------------------------------------------------------------------------------------------------- - ProjectSet - Output: generate_series(0, 2), generate_series(((random() * '0.1'::double precision))::integer, 2) - -> Result -(3 rows) - -select generate_series(0,2) as s1, generate_series((random()*.1)::int,2) as s2; - s1 | s2 -----+---- - 0 | 0 - 1 | 1 - 2 | 2 -(3 rows) - -explain (verbose, costs off) -select generate_series(0,2) as s1, generate_series((random()*.1)::int,2) as s2 -order by s2 desc; - QUERY PLAN ------------------------------------------------------------------------------------------------------------- - Sort - Output: (generate_series(0, 2)), (generate_series(((random() * '0.1'::double precision))::integer, 2)) - Sort Key: (generate_series(((random() * '0.1'::double precision))::integer, 2)) DESC - -> ProjectSet - Output: generate_series(0, 2), generate_series(((random() * '0.1'::double precision))::integer, 2) - -> Result -(6 rows) - -select generate_series(0,2) as s1, generate_series((random()*.1)::int,2) as s2 -order by s2 desc; - s1 | s2 -----+---- - 2 | 2 - 1 | 1 - 0 | 0 -(3 rows) - --- test for failure to set all aggregates' aggtranstype -explain (verbose, costs off) -select sum(tenthous) as s1, sum(tenthous) + random()*0 as s2 - from tenk1 group by thousand order by thousand limit 3; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------- - Limit - Output: (sum(tenthous)), (((sum(tenthous))::double precision + (random() * '0'::double precision))), thousand - -> GroupAggregate - Output: sum(tenthous), ((sum(tenthous))::double precision + (random() * '0'::double precision)), thousand - Group Key: tenk1.thousand - -> Index Only Scan using tenk1_thous_tenthous on public.tenk1 - Output: thousand, tenthous -(7 rows) - -select sum(tenthous) as s1, sum(tenthous) + random()*0 as s2 - from tenk1 group by thousand order by thousand limit 3; - s1 | s2 --------+------- - 45000 | 45000 - 45010 | 45010 - 45020 | 45020 -(3 rows) - --- --- FETCH FIRST --- Check the WITH TIES clause --- -SELECT thousand - FROM onek WHERE thousand < 5 - ORDER BY thousand FETCH FIRST 2 ROW WITH TIES; - thousand ----------- - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 -(10 rows) - -SELECT thousand - FROM onek WHERE thousand < 5 - ORDER BY thousand FETCH FIRST ROWS WITH TIES; - thousand ----------- - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 -(10 rows) - -SELECT thousand - FROM onek WHERE thousand < 5 - ORDER BY thousand FETCH FIRST 1 ROW WITH TIES; - thousand ----------- - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 -(10 rows) - -SELECT thousand - FROM onek WHERE thousand < 5 - ORDER BY thousand FETCH FIRST 2 ROW ONLY; - thousand ----------- - 0 - 0 -(2 rows) - --- SKIP LOCKED and WITH TIES are incompatible -SELECT thousand - FROM onek WHERE thousand < 5 - ORDER BY thousand FETCH FIRST 1 ROW WITH TIES FOR UPDATE SKIP LOCKED; -ERROR: SKIP LOCKED and WITH TIES options cannot be used together -LINE 3: ORDER BY thousand FETCH FIRST 1 ROW WITH TIES FOR UPDATE S... - ^ --- should fail -SELECT ''::text AS two, unique1, unique2, stringu1 - FROM onek WHERE unique1 > 50 - FETCH FIRST 2 ROW WITH TIES; -ERROR: WITH TIES cannot be specified without ORDER BY clause -LINE 3: FETCH FIRST 2 ROW WITH TIES; - ^ --- test ruleutils -CREATE VIEW limit_thousand_v_1 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand FETCH FIRST 5 ROWS WITH TIES OFFSET 10; -\d+ limit_thousand_v_1 - View "public.limit_thousand_v_1" - Column | Type | Collation | Nullable | Default | Storage | Description -----------+---------+-----------+----------+---------+---------+------------- - thousand | integer | | | | plain | -View definition: - SELECT thousand - FROM onek - WHERE thousand < 995 - ORDER BY thousand - OFFSET 10 - FETCH FIRST (5) ROWS WITH TIES; - -CREATE VIEW limit_thousand_v_2 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand OFFSET 10 FETCH FIRST 5 ROWS ONLY; -\d+ limit_thousand_v_2 - View "public.limit_thousand_v_2" - Column | Type | Collation | Nullable | Default | Storage | Description -----------+---------+-----------+----------+---------+---------+------------- - thousand | integer | | | | plain | -View definition: - SELECT thousand - FROM onek - WHERE thousand < 995 - ORDER BY thousand - OFFSET 10 - LIMIT 5; - -CREATE VIEW limit_thousand_v_3 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand FETCH FIRST NULL ROWS WITH TIES; -- fails -ERROR: row count cannot be null in FETCH FIRST ... WITH TIES clause -CREATE VIEW limit_thousand_v_3 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand FETCH FIRST (NULL+1) ROWS WITH TIES; -\d+ limit_thousand_v_3 - View "public.limit_thousand_v_3" - Column | Type | Collation | Nullable | Default | Storage | Description -----------+---------+-----------+----------+---------+---------+------------- - thousand | integer | | | | plain | -View definition: - SELECT thousand - FROM onek - WHERE thousand < 995 - ORDER BY thousand - FETCH FIRST ((NULL::integer + 1)) ROWS WITH TIES; - -CREATE VIEW limit_thousand_v_4 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand FETCH FIRST (5::bigint) ROWS WITH TIES; -\d+ limit_thousand_v_4 - View "public.limit_thousand_v_4" - Column | Type | Collation | Nullable | Default | Storage | Description -----------+---------+-----------+----------+---------+---------+------------- - thousand | integer | | | | plain | -View definition: - SELECT thousand - FROM onek - WHERE thousand < 995 - ORDER BY thousand - FETCH FIRST (5::bigint) ROWS WITH TIES; - -CREATE VIEW limit_thousand_v_5 AS SELECT thousand FROM onek WHERE thousand < 995 - ORDER BY thousand FETCH FIRST NULL ROWS ONLY; -\d+ limit_thousand_v_5 - View "public.limit_thousand_v_5" - Column | Type | Collation | Nullable | Default | Storage | Description -----------+---------+-----------+----------+---------+---------+------------- - thousand | integer | | | | plain | -View definition: - SELECT thousand - FROM onek - WHERE thousand < 995 - ORDER BY thousand - LIMIT ALL; - --- leave these views +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/plpgsql.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/plpgsql.out --- /tmp/cirrus-ci-build/src/test/regress/expected/plpgsql.out 2025-06-04 16:00:28.774413000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/plpgsql.out 2025-06-04 16:05:10.998110000 +0000 @@ -1,5856 +1,2 @@ --- --- PLPGSQL --- --- Scenario: --- --- A building with a modern TP cable installation where any --- of the wall connectors can be used to plug in phones, --- ethernet interfaces or local office hubs. The backside --- of the wall connectors is wired to one of several patch- --- fields in the building. --- --- In the patchfields, there are hubs and all the slots --- representing the wall connectors. In addition there are --- slots that can represent a phone line from the central --- phone system. --- --- Triggers ensure consistency of the patching information. --- --- Functions are used to build up powerful views that let --- you look behind the wall when looking at a patchfield --- or into a room. --- -create table Room ( - roomno char(8), - comment text -); -create unique index Room_rno on Room using btree (roomno bpchar_ops); -create table WSlot ( - slotname char(20), - roomno char(8), - slotlink char(20), - backlink char(20) -); -create unique index WSlot_name on WSlot using btree (slotname bpchar_ops); -create table PField ( - name text, - comment text -); -create unique index PField_name on PField using btree (name text_ops); -create table PSlot ( - slotname char(20), - pfname text, - slotlink char(20), - backlink char(20) -); -create unique index PSlot_name on PSlot using btree (slotname bpchar_ops); -create table PLine ( - slotname char(20), - phonenumber char(20), - comment text, - backlink char(20) -); -create unique index PLine_name on PLine using btree (slotname bpchar_ops); -create table Hub ( - name char(14), - comment text, - nslots integer -); -create unique index Hub_name on Hub using btree (name bpchar_ops); -create table HSlot ( - slotname char(20), - hubname char(14), - slotno integer, - slotlink char(20) -); -create unique index HSlot_name on HSlot using btree (slotname bpchar_ops); -create index HSlot_hubname on HSlot using btree (hubname bpchar_ops); -create table System ( - name text, - comment text -); -create unique index System_name on System using btree (name text_ops); -create table IFace ( - slotname char(20), - sysname text, - ifname text, - slotlink char(20) -); -create unique index IFace_name on IFace using btree (slotname bpchar_ops); -create table PHone ( - slotname char(20), - comment text, - slotlink char(20) -); -create unique index PHone_name on PHone using btree (slotname bpchar_ops); --- ************************************************************ --- * --- * Trigger procedures and functions for the patchfield --- * test of PL/pgSQL --- * --- ************************************************************ --- ************************************************************ --- * AFTER UPDATE on Room --- * - If room no changes let wall slots follow --- ************************************************************ -create function tg_room_au() returns trigger as ' -begin - if new.roomno != old.roomno then - update WSlot set roomno = new.roomno where roomno = old.roomno; - end if; - return new; -end; -' language plpgsql; -create trigger tg_room_au after update - on Room for each row execute procedure tg_room_au(); --- ************************************************************ --- * AFTER DELETE on Room --- * - delete wall slots in this room --- ************************************************************ -create function tg_room_ad() returns trigger as ' -begin - delete from WSlot where roomno = old.roomno; - return old; -end; -' language plpgsql; -create trigger tg_room_ad after delete - on Room for each row execute procedure tg_room_ad(); --- ************************************************************ --- * BEFORE INSERT or UPDATE on WSlot --- * - Check that room exists --- ************************************************************ -create function tg_wslot_biu() returns trigger as $$ -begin - if count(*) = 0 from Room where roomno = new.roomno then - raise exception 'Room % does not exist', new.roomno; - end if; - return new; -end; -$$ language plpgsql; -create trigger tg_wslot_biu before insert or update - on WSlot for each row execute procedure tg_wslot_biu(); --- ************************************************************ --- * AFTER UPDATE on PField --- * - Let PSlots of this field follow --- ************************************************************ -create function tg_pfield_au() returns trigger as ' -begin - if new.name != old.name then - update PSlot set pfname = new.name where pfname = old.name; - end if; - return new; -end; -' language plpgsql; -create trigger tg_pfield_au after update - on PField for each row execute procedure tg_pfield_au(); --- ************************************************************ --- * AFTER DELETE on PField --- * - Remove all slots of this patchfield --- ************************************************************ -create function tg_pfield_ad() returns trigger as ' -begin - delete from PSlot where pfname = old.name; - return old; -end; -' language plpgsql; -create trigger tg_pfield_ad after delete - on PField for each row execute procedure tg_pfield_ad(); --- ************************************************************ --- * BEFORE INSERT or UPDATE on PSlot --- * - Ensure that our patchfield does exist --- ************************************************************ -create function tg_pslot_biu() returns trigger as $proc$ -declare - pfrec record; - ps alias for new; -begin - select into pfrec * from PField where name = ps.pfname; - if not found then - raise exception $$Patchfield "%" does not exist$$, ps.pfname; - end if; - return ps; -end; -$proc$ language plpgsql; -create trigger tg_pslot_biu before insert or update - on PSlot for each row execute procedure tg_pslot_biu(); --- ************************************************************ --- * AFTER UPDATE on System --- * - If system name changes let interfaces follow --- ************************************************************ -create function tg_system_au() returns trigger as ' -begin - if new.name != old.name then - update IFace set sysname = new.name where sysname = old.name; - end if; - return new; -end; -' language plpgsql; -create trigger tg_system_au after update - on System for each row execute procedure tg_system_au(); --- ************************************************************ --- * BEFORE INSERT or UPDATE on IFace --- * - set the slotname to IF.sysname.ifname --- ************************************************************ -create function tg_iface_biu() returns trigger as $$ -declare - sname text; - sysrec record; -begin - select into sysrec * from system where name = new.sysname; - if not found then - raise exception $q$system "%" does not exist$q$, new.sysname; - end if; - sname := 'IF.' || new.sysname; - sname := sname || '.'; - sname := sname || new.ifname; - if length(sname) > 20 then - raise exception 'IFace slotname "%" too long (20 char max)', sname; - end if; - new.slotname := sname; - return new; -end; -$$ language plpgsql; -create trigger tg_iface_biu before insert or update - on IFace for each row execute procedure tg_iface_biu(); --- ************************************************************ --- * AFTER INSERT or UPDATE or DELETE on Hub --- * - insert/delete/rename slots as required --- ************************************************************ -create function tg_hub_a() returns trigger as ' -declare - hname text; - dummy integer; -begin - if tg_op = ''INSERT'' then - dummy := tg_hub_adjustslots(new.name, 0, new.nslots); - return new; - end if; - if tg_op = ''UPDATE'' then - if new.name != old.name then - update HSlot set hubname = new.name where hubname = old.name; - end if; - dummy := tg_hub_adjustslots(new.name, old.nslots, new.nslots); - return new; - end if; - if tg_op = ''DELETE'' then - dummy := tg_hub_adjustslots(old.name, old.nslots, 0); - return old; - end if; -end; -' language plpgsql; -create trigger tg_hub_a after insert or update or delete - on Hub for each row execute procedure tg_hub_a(); --- ************************************************************ --- * Support function to add/remove slots of Hub --- ************************************************************ -create function tg_hub_adjustslots(hname bpchar, - oldnslots integer, - newnslots integer) -returns integer as ' -begin - if newnslots = oldnslots then - return 0; - end if; - if newnslots < oldnslots then - delete from HSlot where hubname = hname and slotno > newnslots; - return 0; - end if; - for i in oldnslots + 1 .. newnslots loop - insert into HSlot (slotname, hubname, slotno, slotlink) - values (''HS.dummy'', hname, i, ''''); - end loop; - return 0; -end -' language plpgsql; --- Test comments -COMMENT ON FUNCTION tg_hub_adjustslots_wrong(bpchar, integer, integer) IS 'function with args'; -ERROR: function tg_hub_adjustslots_wrong(character, integer, integer) does not exist -COMMENT ON FUNCTION tg_hub_adjustslots(bpchar, integer, integer) IS 'function with args'; -COMMENT ON FUNCTION tg_hub_adjustslots(bpchar, integer, integer) IS NULL; --- ************************************************************ --- * BEFORE INSERT or UPDATE on HSlot --- * - prevent from manual manipulation --- * - set the slotname to HS.hubname.slotno --- ************************************************************ -create function tg_hslot_biu() returns trigger as ' -declare - sname text; - xname HSlot.slotname%TYPE; - hubrec record; -begin - select into hubrec * from Hub where name = new.hubname; - if not found then - raise exception ''no manual manipulation of HSlot''; - end if; - if new.slotno < 1 or new.slotno > hubrec.nslots then - raise exception ''no manual manipulation of HSlot''; - end if; - if tg_op = ''UPDATE'' and new.hubname != old.hubname then - if count(*) > 0 from Hub where name = old.hubname then - raise exception ''no manual manipulation of HSlot''; - end if; - end if; - sname := ''HS.'' || trim(new.hubname); - sname := sname || ''.''; - sname := sname || new.slotno::text; - if length(sname) > 20 then - raise exception ''HSlot slotname "%" too long (20 char max)'', sname; - end if; - new.slotname := sname; - return new; -end; -' language plpgsql; -create trigger tg_hslot_biu before insert or update - on HSlot for each row execute procedure tg_hslot_biu(); --- ************************************************************ --- * BEFORE DELETE on HSlot --- * - prevent from manual manipulation --- ************************************************************ -create function tg_hslot_bd() returns trigger as ' -declare - hubrec record; -begin - select into hubrec * from Hub where name = old.hubname; - if not found then - return old; - end if; - if old.slotno > hubrec.nslots then - return old; - end if; - raise exception ''no manual manipulation of HSlot''; -end; -' language plpgsql; -create trigger tg_hslot_bd before delete - on HSlot for each row execute procedure tg_hslot_bd(); --- ************************************************************ --- * BEFORE INSERT on all slots --- * - Check name prefix --- ************************************************************ -create function tg_chkslotname() returns trigger as ' -begin - if substr(new.slotname, 1, 2) != tg_argv[0] then - raise exception ''slotname must begin with %'', tg_argv[0]; - end if; - return new; -end; -' language plpgsql; -create trigger tg_chkslotname before insert - on PSlot for each row execute procedure tg_chkslotname('PS'); -create trigger tg_chkslotname before insert - on WSlot for each row execute procedure tg_chkslotname('WS'); -create trigger tg_chkslotname before insert - on PLine for each row execute procedure tg_chkslotname('PL'); -create trigger tg_chkslotname before insert - on IFace for each row execute procedure tg_chkslotname('IF'); -create trigger tg_chkslotname before insert - on PHone for each row execute procedure tg_chkslotname('PH'); --- ************************************************************ --- * BEFORE INSERT or UPDATE on all slots with slotlink --- * - Set slotlink to empty string if NULL value given --- ************************************************************ -create function tg_chkslotlink() returns trigger as ' -begin - if new.slotlink isnull then - new.slotlink := ''''; - end if; - return new; -end; -' language plpgsql; -create trigger tg_chkslotlink before insert or update - on PSlot for each row execute procedure tg_chkslotlink(); -create trigger tg_chkslotlink before insert or update - on WSlot for each row execute procedure tg_chkslotlink(); -create trigger tg_chkslotlink before insert or update - on IFace for each row execute procedure tg_chkslotlink(); -create trigger tg_chkslotlink before insert or update - on HSlot for each row execute procedure tg_chkslotlink(); -create trigger tg_chkslotlink before insert or update - on PHone for each row execute procedure tg_chkslotlink(); --- ************************************************************ --- * BEFORE INSERT or UPDATE on all slots with backlink --- * - Set backlink to empty string if NULL value given --- ************************************************************ -create function tg_chkbacklink() returns trigger as ' -begin - if new.backlink isnull then - new.backlink := ''''; - end if; - return new; -end; -' language plpgsql; -create trigger tg_chkbacklink before insert or update - on PSlot for each row execute procedure tg_chkbacklink(); -create trigger tg_chkbacklink before insert or update - on WSlot for each row execute procedure tg_chkbacklink(); -create trigger tg_chkbacklink before insert or update - on PLine for each row execute procedure tg_chkbacklink(); --- ************************************************************ --- * BEFORE UPDATE on PSlot --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_pslot_bu() returns trigger as ' -begin - if new.slotname != old.slotname then - delete from PSlot where slotname = old.slotname; - insert into PSlot ( - slotname, - pfname, - slotlink, - backlink - ) values ( - new.slotname, - new.pfname, - new.slotlink, - new.backlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_pslot_bu before update - on PSlot for each row execute procedure tg_pslot_bu(); --- ************************************************************ --- * BEFORE UPDATE on WSlot --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_wslot_bu() returns trigger as ' -begin - if new.slotname != old.slotname then - delete from WSlot where slotname = old.slotname; - insert into WSlot ( - slotname, - roomno, - slotlink, - backlink - ) values ( - new.slotname, - new.roomno, - new.slotlink, - new.backlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_wslot_bu before update - on WSlot for each row execute procedure tg_Wslot_bu(); --- ************************************************************ --- * BEFORE UPDATE on PLine --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_pline_bu() returns trigger as ' -begin - if new.slotname != old.slotname then - delete from PLine where slotname = old.slotname; - insert into PLine ( - slotname, - phonenumber, - comment, - backlink - ) values ( - new.slotname, - new.phonenumber, - new.comment, - new.backlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_pline_bu before update - on PLine for each row execute procedure tg_pline_bu(); --- ************************************************************ --- * BEFORE UPDATE on IFace --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_iface_bu() returns trigger as ' -begin - if new.slotname != old.slotname then - delete from IFace where slotname = old.slotname; - insert into IFace ( - slotname, - sysname, - ifname, - slotlink - ) values ( - new.slotname, - new.sysname, - new.ifname, - new.slotlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_iface_bu before update - on IFace for each row execute procedure tg_iface_bu(); --- ************************************************************ --- * BEFORE UPDATE on HSlot --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_hslot_bu() returns trigger as ' -begin - if new.slotname != old.slotname or new.hubname != old.hubname then - delete from HSlot where slotname = old.slotname; - insert into HSlot ( - slotname, - hubname, - slotno, - slotlink - ) values ( - new.slotname, - new.hubname, - new.slotno, - new.slotlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_hslot_bu before update - on HSlot for each row execute procedure tg_hslot_bu(); --- ************************************************************ --- * BEFORE UPDATE on PHone --- * - do delete/insert instead of update if name changes --- ************************************************************ -create function tg_phone_bu() returns trigger as ' -begin - if new.slotname != old.slotname then - delete from PHone where slotname = old.slotname; - insert into PHone ( - slotname, - comment, - slotlink - ) values ( - new.slotname, - new.comment, - new.slotlink - ); - return null; - end if; - return new; -end; -' language plpgsql; -create trigger tg_phone_bu before update - on PHone for each row execute procedure tg_phone_bu(); --- ************************************************************ --- * AFTER INSERT or UPDATE or DELETE on slot with backlink --- * - Ensure that the opponent correctly points back to us --- ************************************************************ -create function tg_backlink_a() returns trigger as ' -declare - dummy integer; -begin - if tg_op = ''INSERT'' then - if new.backlink != '''' then - dummy := tg_backlink_set(new.backlink, new.slotname); - end if; - return new; - end if; - if tg_op = ''UPDATE'' then - if new.backlink != old.backlink then - if old.backlink != '''' then - dummy := tg_backlink_unset(old.backlink, old.slotname); - end if; - if new.backlink != '''' then - dummy := tg_backlink_set(new.backlink, new.slotname); - end if; - else - if new.slotname != old.slotname and new.backlink != '''' then - dummy := tg_slotlink_set(new.backlink, new.slotname); - end if; - end if; - return new; - end if; - if tg_op = ''DELETE'' then - if old.backlink != '''' then - dummy := tg_backlink_unset(old.backlink, old.slotname); - end if; - return old; - end if; -end; -' language plpgsql; -create trigger tg_backlink_a after insert or update or delete - on PSlot for each row execute procedure tg_backlink_a('PS'); -create trigger tg_backlink_a after insert or update or delete - on WSlot for each row execute procedure tg_backlink_a('WS'); -create trigger tg_backlink_a after insert or update or delete - on PLine for each row execute procedure tg_backlink_a('PL'); --- ************************************************************ --- * Support function to set the opponents backlink field --- * if it does not already point to the requested slot --- ************************************************************ -create function tg_backlink_set(myname bpchar, blname bpchar) -returns integer as ' -declare - mytype char(2); - link char(4); - rec record; -begin - mytype := substr(myname, 1, 2); - link := mytype || substr(blname, 1, 2); - if link = ''PLPL'' then - raise exception - ''backlink between two phone lines does not make sense''; - end if; - if link in (''PLWS'', ''WSPL'') then - raise exception - ''direct link of phone line to wall slot not permitted''; - end if; - if mytype = ''PS'' then - select into rec * from PSlot where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.backlink != blname then - update PSlot set backlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''WS'' then - select into rec * from WSlot where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.backlink != blname then - update WSlot set backlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''PL'' then - select into rec * from PLine where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.backlink != blname then - update PLine set backlink = blname where slotname = myname; - end if; - return 0; - end if; - raise exception ''illegal backlink beginning with %'', mytype; -end; -' language plpgsql; --- ************************************************************ --- * Support function to clear out the backlink field if --- * it still points to specific slot --- ************************************************************ -create function tg_backlink_unset(bpchar, bpchar) -returns integer as ' -declare - myname alias for $1; - blname alias for $2; - mytype char(2); - rec record; -begin - mytype := substr(myname, 1, 2); - if mytype = ''PS'' then - select into rec * from PSlot where slotname = myname; - if not found then - return 0; - end if; - if rec.backlink = blname then - update PSlot set backlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''WS'' then - select into rec * from WSlot where slotname = myname; - if not found then - return 0; - end if; - if rec.backlink = blname then - update WSlot set backlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''PL'' then - select into rec * from PLine where slotname = myname; - if not found then - return 0; - end if; - if rec.backlink = blname then - update PLine set backlink = '''' where slotname = myname; - end if; - return 0; - end if; -end -' language plpgsql; --- ************************************************************ --- * AFTER INSERT or UPDATE or DELETE on slot with slotlink --- * - Ensure that the opponent correctly points back to us --- ************************************************************ -create function tg_slotlink_a() returns trigger as ' -declare - dummy integer; -begin - if tg_op = ''INSERT'' then - if new.slotlink != '''' then - dummy := tg_slotlink_set(new.slotlink, new.slotname); - end if; - return new; - end if; - if tg_op = ''UPDATE'' then - if new.slotlink != old.slotlink then - if old.slotlink != '''' then - dummy := tg_slotlink_unset(old.slotlink, old.slotname); - end if; - if new.slotlink != '''' then - dummy := tg_slotlink_set(new.slotlink, new.slotname); - end if; - else - if new.slotname != old.slotname and new.slotlink != '''' then - dummy := tg_slotlink_set(new.slotlink, new.slotname); - end if; - end if; - return new; - end if; - if tg_op = ''DELETE'' then - if old.slotlink != '''' then - dummy := tg_slotlink_unset(old.slotlink, old.slotname); - end if; - return old; - end if; -end; -' language plpgsql; -create trigger tg_slotlink_a after insert or update or delete - on PSlot for each row execute procedure tg_slotlink_a('PS'); -create trigger tg_slotlink_a after insert or update or delete - on WSlot for each row execute procedure tg_slotlink_a('WS'); -create trigger tg_slotlink_a after insert or update or delete - on IFace for each row execute procedure tg_slotlink_a('IF'); -create trigger tg_slotlink_a after insert or update or delete - on HSlot for each row execute procedure tg_slotlink_a('HS'); -create trigger tg_slotlink_a after insert or update or delete - on PHone for each row execute procedure tg_slotlink_a('PH'); --- ************************************************************ --- * Support function to set the opponents slotlink field --- * if it does not already point to the requested slot --- ************************************************************ -create function tg_slotlink_set(bpchar, bpchar) -returns integer as ' -declare - myname alias for $1; - blname alias for $2; - mytype char(2); - link char(4); - rec record; -begin - mytype := substr(myname, 1, 2); - link := mytype || substr(blname, 1, 2); - if link = ''PHPH'' then - raise exception - ''slotlink between two phones does not make sense''; - end if; - if link in (''PHHS'', ''HSPH'') then - raise exception - ''link of phone to hub does not make sense''; - end if; - if link in (''PHIF'', ''IFPH'') then - raise exception - ''link of phone to hub does not make sense''; - end if; - if link in (''PSWS'', ''WSPS'') then - raise exception - ''slotlink from patchslot to wallslot not permitted''; - end if; - if mytype = ''PS'' then - select into rec * from PSlot where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.slotlink != blname then - update PSlot set slotlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''WS'' then - select into rec * from WSlot where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.slotlink != blname then - update WSlot set slotlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''IF'' then - select into rec * from IFace where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.slotlink != blname then - update IFace set slotlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''HS'' then - select into rec * from HSlot where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.slotlink != blname then - update HSlot set slotlink = blname where slotname = myname; - end if; - return 0; - end if; - if mytype = ''PH'' then - select into rec * from PHone where slotname = myname; - if not found then - raise exception ''% does not exist'', myname; - end if; - if rec.slotlink != blname then - update PHone set slotlink = blname where slotname = myname; - end if; - return 0; - end if; - raise exception ''illegal slotlink beginning with %'', mytype; -end; -' language plpgsql; --- ************************************************************ --- * Support function to clear out the slotlink field if --- * it still points to specific slot --- ************************************************************ -create function tg_slotlink_unset(bpchar, bpchar) -returns integer as ' -declare - myname alias for $1; - blname alias for $2; - mytype char(2); - rec record; -begin - mytype := substr(myname, 1, 2); - if mytype = ''PS'' then - select into rec * from PSlot where slotname = myname; - if not found then - return 0; - end if; - if rec.slotlink = blname then - update PSlot set slotlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''WS'' then - select into rec * from WSlot where slotname = myname; - if not found then - return 0; - end if; - if rec.slotlink = blname then - update WSlot set slotlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''IF'' then - select into rec * from IFace where slotname = myname; - if not found then - return 0; - end if; - if rec.slotlink = blname then - update IFace set slotlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''HS'' then - select into rec * from HSlot where slotname = myname; - if not found then - return 0; - end if; - if rec.slotlink = blname then - update HSlot set slotlink = '''' where slotname = myname; - end if; - return 0; - end if; - if mytype = ''PH'' then - select into rec * from PHone where slotname = myname; - if not found then - return 0; - end if; - if rec.slotlink = blname then - update PHone set slotlink = '''' where slotname = myname; - end if; - return 0; - end if; -end; -' language plpgsql; --- ************************************************************ --- * Describe the backside of a patchfield slot --- ************************************************************ -create function pslot_backlink_view(bpchar) -returns text as ' -<> -declare - rec record; - bltype char(2); - retval text; -begin - select into rec * from PSlot where slotname = $1; - if not found then - return ''''; - end if; - if rec.backlink = '''' then - return ''-''; - end if; - bltype := substr(rec.backlink, 1, 2); - if bltype = ''PL'' then - declare - rec record; - begin - select into rec * from PLine where slotname = "outer".rec.backlink; - retval := ''Phone line '' || trim(rec.phonenumber); - if rec.comment != '''' then - retval := retval || '' (''; - retval := retval || rec.comment; - retval := retval || '')''; - end if; - return retval; - end; - end if; - if bltype = ''WS'' then - select into rec * from WSlot where slotname = rec.backlink; - retval := trim(rec.slotname) || '' in room ''; - retval := retval || trim(rec.roomno); - retval := retval || '' -> ''; - return retval || wslot_slotlink_view(rec.slotname); - end if; - return rec.backlink; -end; -' language plpgsql; --- ************************************************************ --- * Describe the front of a patchfield slot --- ************************************************************ -create function pslot_slotlink_view(bpchar) -returns text as ' -declare - psrec record; - sltype char(2); - retval text; -begin - select into psrec * from PSlot where slotname = $1; - if not found then - return ''''; - end if; - if psrec.slotlink = '''' then - return ''-''; - end if; - sltype := substr(psrec.slotlink, 1, 2); - if sltype = ''PS'' then - retval := trim(psrec.slotlink) || '' -> ''; - return retval || pslot_backlink_view(psrec.slotlink); - end if; - if sltype = ''HS'' then - retval := comment from Hub H, HSlot HS - where HS.slotname = psrec.slotlink - and H.name = HS.hubname; - retval := retval || '' slot ''; - retval := retval || slotno::text from HSlot - where slotname = psrec.slotlink; - return retval; - end if; - return psrec.slotlink; -end; -' language plpgsql; --- ************************************************************ --- * Describe the front of a wall connector slot --- ************************************************************ -create function wslot_slotlink_view(bpchar) -returns text as ' -declare - rec record; - sltype char(2); - retval text; -begin - select into rec * from WSlot where slotname = $1; - if not found then - return ''''; - end if; - if rec.slotlink = '''' then - return ''-''; - end if; - sltype := substr(rec.slotlink, 1, 2); - if sltype = ''PH'' then - select into rec * from PHone where slotname = rec.slotlink; - retval := ''Phone '' || trim(rec.slotname); - if rec.comment != '''' then - retval := retval || '' (''; - retval := retval || rec.comment; - retval := retval || '')''; - end if; - return retval; - end if; - if sltype = ''IF'' then - declare - syrow System%RowType; - ifrow IFace%ROWTYPE; - begin - select into ifrow * from IFace where slotname = rec.slotlink; - select into syrow * from System where name = ifrow.sysname; - retval := syrow.name || '' IF ''; - retval := retval || ifrow.ifname; - if syrow.comment != '''' then - retval := retval || '' (''; - retval := retval || syrow.comment; - retval := retval || '')''; - end if; - return retval; - end; - end if; - return rec.slotlink; -end; -' language plpgsql; --- ************************************************************ --- * View of a patchfield describing backside and patches --- ************************************************************ -create view Pfield_v1 as select PF.pfname, PF.slotname, - pslot_backlink_view(PF.slotname) as backside, - pslot_slotlink_view(PF.slotname) as patch - from PSlot PF; --- --- First we build the house - so we create the rooms --- -insert into Room values ('001', 'Entrance'); -insert into Room values ('002', 'Office'); -insert into Room values ('003', 'Office'); -insert into Room values ('004', 'Technical'); -insert into Room values ('101', 'Office'); -insert into Room values ('102', 'Conference'); -insert into Room values ('103', 'Restroom'); -insert into Room values ('104', 'Technical'); -insert into Room values ('105', 'Office'); -insert into Room values ('106', 'Office'); --- --- Second we install the wall connectors --- -insert into WSlot values ('WS.001.1a', '001', '', ''); -insert into WSlot values ('WS.001.1b', '001', '', ''); -insert into WSlot values ('WS.001.2a', '001', '', ''); -insert into WSlot values ('WS.001.2b', '001', '', ''); -insert into WSlot values ('WS.001.3a', '001', '', ''); -insert into WSlot values ('WS.001.3b', '001', '', ''); -insert into WSlot values ('WS.002.1a', '002', '', ''); -insert into WSlot values ('WS.002.1b', '002', '', ''); -insert into WSlot values ('WS.002.2a', '002', '', ''); -insert into WSlot values ('WS.002.2b', '002', '', ''); -insert into WSlot values ('WS.002.3a', '002', '', ''); -insert into WSlot values ('WS.002.3b', '002', '', ''); -insert into WSlot values ('WS.003.1a', '003', '', ''); -insert into WSlot values ('WS.003.1b', '003', '', ''); -insert into WSlot values ('WS.003.2a', '003', '', ''); -insert into WSlot values ('WS.003.2b', '003', '', ''); -insert into WSlot values ('WS.003.3a', '003', '', ''); -insert into WSlot values ('WS.003.3b', '003', '', ''); -insert into WSlot values ('WS.101.1a', '101', '', ''); -insert into WSlot values ('WS.101.1b', '101', '', ''); -insert into WSlot values ('WS.101.2a', '101', '', ''); -insert into WSlot values ('WS.101.2b', '101', '', ''); -insert into WSlot values ('WS.101.3a', '101', '', ''); -insert into WSlot values ('WS.101.3b', '101', '', ''); -insert into WSlot values ('WS.102.1a', '102', '', ''); -insert into WSlot values ('WS.102.1b', '102', '', ''); -insert into WSlot values ('WS.102.2a', '102', '', ''); -insert into WSlot values ('WS.102.2b', '102', '', ''); -insert into WSlot values ('WS.102.3a', '102', '', ''); -insert into WSlot values ('WS.102.3b', '102', '', ''); -insert into WSlot values ('WS.105.1a', '105', '', ''); -insert into WSlot values ('WS.105.1b', '105', '', ''); -insert into WSlot values ('WS.105.2a', '105', '', ''); -insert into WSlot values ('WS.105.2b', '105', '', ''); -insert into WSlot values ('WS.105.3a', '105', '', ''); -insert into WSlot values ('WS.105.3b', '105', '', ''); -insert into WSlot values ('WS.106.1a', '106', '', ''); -insert into WSlot values ('WS.106.1b', '106', '', ''); -insert into WSlot values ('WS.106.2a', '106', '', ''); -insert into WSlot values ('WS.106.2b', '106', '', ''); -insert into WSlot values ('WS.106.3a', '106', '', ''); -insert into WSlot values ('WS.106.3b', '106', '', ''); --- --- Now create the patch fields and their slots --- -insert into PField values ('PF0_1', 'Wallslots basement'); --- --- The cables for these will be made later, so they are unconnected for now --- -insert into PSlot values ('PS.base.a1', 'PF0_1', '', ''); -insert into PSlot values ('PS.base.a2', 'PF0_1', '', ''); -insert into PSlot values ('PS.base.a3', 'PF0_1', '', ''); -insert into PSlot values ('PS.base.a4', 'PF0_1', '', ''); -insert into PSlot values ('PS.base.a5', 'PF0_1', '', ''); -insert into PSlot values ('PS.base.a6', 'PF0_1', '', ''); --- --- These are already wired to the wall connectors --- -insert into PSlot values ('PS.base.b1', 'PF0_1', '', 'WS.002.1a'); -insert into PSlot values ('PS.base.b2', 'PF0_1', '', 'WS.002.1b'); -insert into PSlot values ('PS.base.b3', 'PF0_1', '', 'WS.002.2a'); -insert into PSlot values ('PS.base.b4', 'PF0_1', '', 'WS.002.2b'); -insert into PSlot values ('PS.base.b5', 'PF0_1', '', 'WS.002.3a'); -insert into PSlot values ('PS.base.b6', 'PF0_1', '', 'WS.002.3b'); -insert into PSlot values ('PS.base.c1', 'PF0_1', '', 'WS.003.1a'); -insert into PSlot values ('PS.base.c2', 'PF0_1', '', 'WS.003.1b'); -insert into PSlot values ('PS.base.c3', 'PF0_1', '', 'WS.003.2a'); -insert into PSlot values ('PS.base.c4', 'PF0_1', '', 'WS.003.2b'); -insert into PSlot values ('PS.base.c5', 'PF0_1', '', 'WS.003.3a'); -insert into PSlot values ('PS.base.c6', 'PF0_1', '', 'WS.003.3b'); --- --- This patchfield will be renamed later into PF0_2 - so its --- slots references in pfname should follow --- -insert into PField values ('PF0_X', 'Phonelines basement'); -insert into PSlot values ('PS.base.ta1', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.ta2', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.ta3', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.ta4', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.ta5', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.ta6', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb1', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb2', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb3', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb4', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb5', 'PF0_X', '', ''); -insert into PSlot values ('PS.base.tb6', 'PF0_X', '', ''); -insert into PField values ('PF1_1', 'Wallslots first floor'); -insert into PSlot values ('PS.first.a1', 'PF1_1', '', 'WS.101.1a'); -insert into PSlot values ('PS.first.a2', 'PF1_1', '', 'WS.101.1b'); -insert into PSlot values ('PS.first.a3', 'PF1_1', '', 'WS.101.2a'); -insert into PSlot values ('PS.first.a4', 'PF1_1', '', 'WS.101.2b'); -insert into PSlot values ('PS.first.a5', 'PF1_1', '', 'WS.101.3a'); -insert into PSlot values ('PS.first.a6', 'PF1_1', '', 'WS.101.3b'); -insert into PSlot values ('PS.first.b1', 'PF1_1', '', 'WS.102.1a'); -insert into PSlot values ('PS.first.b2', 'PF1_1', '', 'WS.102.1b'); -insert into PSlot values ('PS.first.b3', 'PF1_1', '', 'WS.102.2a'); -insert into PSlot values ('PS.first.b4', 'PF1_1', '', 'WS.102.2b'); -insert into PSlot values ('PS.first.b5', 'PF1_1', '', 'WS.102.3a'); -insert into PSlot values ('PS.first.b6', 'PF1_1', '', 'WS.102.3b'); -insert into PSlot values ('PS.first.c1', 'PF1_1', '', 'WS.105.1a'); -insert into PSlot values ('PS.first.c2', 'PF1_1', '', 'WS.105.1b'); -insert into PSlot values ('PS.first.c3', 'PF1_1', '', 'WS.105.2a'); -insert into PSlot values ('PS.first.c4', 'PF1_1', '', 'WS.105.2b'); -insert into PSlot values ('PS.first.c5', 'PF1_1', '', 'WS.105.3a'); -insert into PSlot values ('PS.first.c6', 'PF1_1', '', 'WS.105.3b'); -insert into PSlot values ('PS.first.d1', 'PF1_1', '', 'WS.106.1a'); -insert into PSlot values ('PS.first.d2', 'PF1_1', '', 'WS.106.1b'); -insert into PSlot values ('PS.first.d3', 'PF1_1', '', 'WS.106.2a'); -insert into PSlot values ('PS.first.d4', 'PF1_1', '', 'WS.106.2b'); -insert into PSlot values ('PS.first.d5', 'PF1_1', '', 'WS.106.3a'); -insert into PSlot values ('PS.first.d6', 'PF1_1', '', 'WS.106.3b'); --- --- Now we wire the wall connectors 1a-2a in room 001 to the --- patchfield. In the second update we make an error, and --- correct it after --- -update PSlot set backlink = 'WS.001.1a' where slotname = 'PS.base.a1'; -update PSlot set backlink = 'WS.001.1b' where slotname = 'PS.base.a3'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a3 - WS.001.2a | 001 | | - WS.001.2b | 001 | | - WS.001.3a | 001 | | - WS.001.3b | 001 | | -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | - PS.base.a3 | PF0_1 | | WS.001.1b - PS.base.a4 | PF0_1 | | - PS.base.a5 | PF0_1 | | - PS.base.a6 | PF0_1 | | -(6 rows) - -update PSlot set backlink = 'WS.001.2a' where slotname = 'PS.base.a3'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | - WS.001.3a | 001 | | - WS.001.3b | 001 | | -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | - PS.base.a5 | PF0_1 | | - PS.base.a6 | PF0_1 | | -(6 rows) - -update PSlot set backlink = 'WS.001.1b' where slotname = 'PS.base.a2'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a2 - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | - WS.001.3a | 001 | | - WS.001.3b | 001 | | -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | WS.001.1b - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | - PS.base.a5 | PF0_1 | | - PS.base.a6 | PF0_1 | | -(6 rows) - --- --- Same procedure for 2b-3b but this time updating the WSlot instead --- of the PSlot. Due to the triggers the result is the same: --- WSlot and corresponding PSlot point to each other. --- -update WSlot set backlink = 'PS.base.a4' where slotname = 'WS.001.2b'; -update WSlot set backlink = 'PS.base.a6' where slotname = 'WS.001.3a'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a2 - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | PS.base.a4 - WS.001.3a | 001 | | PS.base.a6 - WS.001.3b | 001 | | -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | WS.001.1b - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | WS.001.2b - PS.base.a5 | PF0_1 | | - PS.base.a6 | PF0_1 | | WS.001.3a -(6 rows) - -update WSlot set backlink = 'PS.base.a6' where slotname = 'WS.001.3b'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a2 - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | PS.base.a4 - WS.001.3a | 001 | | - WS.001.3b | 001 | | PS.base.a6 -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | WS.001.1b - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | WS.001.2b - PS.base.a5 | PF0_1 | | - PS.base.a6 | PF0_1 | | WS.001.3b -(6 rows) - -update WSlot set backlink = 'PS.base.a5' where slotname = 'WS.001.3a'; -select * from WSlot where roomno = '001' order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a2 - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | PS.base.a4 - WS.001.3a | 001 | | PS.base.a5 - WS.001.3b | 001 | | PS.base.a6 -(6 rows) - -select * from PSlot where slotname ~ 'PS.base.a' order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | WS.001.1b - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | WS.001.2b - PS.base.a5 | PF0_1 | | WS.001.3a - PS.base.a6 | PF0_1 | | WS.001.3b -(6 rows) - -insert into PField values ('PF1_2', 'Phonelines first floor'); -insert into PSlot values ('PS.first.ta1', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.ta2', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.ta3', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.ta4', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.ta5', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.ta6', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb1', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb2', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb3', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb4', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb5', 'PF1_2', '', ''); -insert into PSlot values ('PS.first.tb6', 'PF1_2', '', ''); --- --- Fix the wrong name for patchfield PF0_2 --- -update PField set name = 'PF0_2' where name = 'PF0_X'; -select * from PSlot order by slotname; - slotname | pfname | slotlink | backlink -----------------------+--------+----------------------+---------------------- - PS.base.a1 | PF0_1 | | WS.001.1a - PS.base.a2 | PF0_1 | | WS.001.1b - PS.base.a3 | PF0_1 | | WS.001.2a - PS.base.a4 | PF0_1 | | WS.001.2b - PS.base.a5 | PF0_1 | | WS.001.3a - PS.base.a6 | PF0_1 | | WS.001.3b - PS.base.b1 | PF0_1 | | WS.002.1a - PS.base.b2 | PF0_1 | | WS.002.1b - PS.base.b3 | PF0_1 | | WS.002.2a - PS.base.b4 | PF0_1 | | WS.002.2b - PS.base.b5 | PF0_1 | | WS.002.3a - PS.base.b6 | PF0_1 | | WS.002.3b - PS.base.c1 | PF0_1 | | WS.003.1a - PS.base.c2 | PF0_1 | | WS.003.1b - PS.base.c3 | PF0_1 | | WS.003.2a - PS.base.c4 | PF0_1 | | WS.003.2b - PS.base.c5 | PF0_1 | | WS.003.3a - PS.base.c6 | PF0_1 | | WS.003.3b - PS.base.ta1 | PF0_2 | | - PS.base.ta2 | PF0_2 | | - PS.base.ta3 | PF0_2 | | - PS.base.ta4 | PF0_2 | | - PS.base.ta5 | PF0_2 | | - PS.base.ta6 | PF0_2 | | - PS.base.tb1 | PF0_2 | | - PS.base.tb2 | PF0_2 | | - PS.base.tb3 | PF0_2 | | - PS.base.tb4 | PF0_2 | | - PS.base.tb5 | PF0_2 | | - PS.base.tb6 | PF0_2 | | - PS.first.a1 | PF1_1 | | WS.101.1a - PS.first.a2 | PF1_1 | | WS.101.1b - PS.first.a3 | PF1_1 | | WS.101.2a - PS.first.a4 | PF1_1 | | WS.101.2b - PS.first.a5 | PF1_1 | | WS.101.3a - PS.first.a6 | PF1_1 | | WS.101.3b - PS.first.b1 | PF1_1 | | WS.102.1a - PS.first.b2 | PF1_1 | | WS.102.1b - PS.first.b3 | PF1_1 | | WS.102.2a - PS.first.b4 | PF1_1 | | WS.102.2b - PS.first.b5 | PF1_1 | | WS.102.3a - PS.first.b6 | PF1_1 | | WS.102.3b - PS.first.c1 | PF1_1 | | WS.105.1a - PS.first.c2 | PF1_1 | | WS.105.1b - PS.first.c3 | PF1_1 | | WS.105.2a - PS.first.c4 | PF1_1 | | WS.105.2b - PS.first.c5 | PF1_1 | | WS.105.3a - PS.first.c6 | PF1_1 | | WS.105.3b - PS.first.d1 | PF1_1 | | WS.106.1a - PS.first.d2 | PF1_1 | | WS.106.1b - PS.first.d3 | PF1_1 | | WS.106.2a - PS.first.d4 | PF1_1 | | WS.106.2b - PS.first.d5 | PF1_1 | | WS.106.3a - PS.first.d6 | PF1_1 | | WS.106.3b - PS.first.ta1 | PF1_2 | | - PS.first.ta2 | PF1_2 | | - PS.first.ta3 | PF1_2 | | - PS.first.ta4 | PF1_2 | | - PS.first.ta5 | PF1_2 | | - PS.first.ta6 | PF1_2 | | - PS.first.tb1 | PF1_2 | | - PS.first.tb2 | PF1_2 | | - PS.first.tb3 | PF1_2 | | - PS.first.tb4 | PF1_2 | | - PS.first.tb5 | PF1_2 | | - PS.first.tb6 | PF1_2 | | -(66 rows) - -select * from WSlot order by slotname; - slotname | roomno | slotlink | backlink -----------------------+----------+----------------------+---------------------- - WS.001.1a | 001 | | PS.base.a1 - WS.001.1b | 001 | | PS.base.a2 - WS.001.2a | 001 | | PS.base.a3 - WS.001.2b | 001 | | PS.base.a4 - WS.001.3a | 001 | | PS.base.a5 - WS.001.3b | 001 | | PS.base.a6 - WS.002.1a | 002 | | PS.base.b1 - WS.002.1b | 002 | | PS.base.b2 - WS.002.2a | 002 | | PS.base.b3 - WS.002.2b | 002 | | PS.base.b4 - WS.002.3a | 002 | | PS.base.b5 - WS.002.3b | 002 | | PS.base.b6 - WS.003.1a | 003 | | PS.base.c1 - WS.003.1b | 003 | | PS.base.c2 - WS.003.2a | 003 | | PS.base.c3 - WS.003.2b | 003 | | PS.base.c4 - WS.003.3a | 003 | | PS.base.c5 - WS.003.3b | 003 | | PS.base.c6 - WS.101.1a | 101 | | PS.first.a1 - WS.101.1b | 101 | | PS.first.a2 - WS.101.2a | 101 | | PS.first.a3 - WS.101.2b | 101 | | PS.first.a4 - WS.101.3a | 101 | | PS.first.a5 - WS.101.3b | 101 | | PS.first.a6 - WS.102.1a | 102 | | PS.first.b1 - WS.102.1b | 102 | | PS.first.b2 - WS.102.2a | 102 | | PS.first.b3 - WS.102.2b | 102 | | PS.first.b4 - WS.102.3a | 102 | | PS.first.b5 - WS.102.3b | 102 | | PS.first.b6 - WS.105.1a | 105 | | PS.first.c1 - WS.105.1b | 105 | | PS.first.c2 - WS.105.2a | 105 | | PS.first.c3 - WS.105.2b | 105 | | PS.first.c4 - WS.105.3a | 105 | | PS.first.c5 - WS.105.3b | 105 | | PS.first.c6 - WS.106.1a | 106 | | PS.first.d1 - WS.106.1b | 106 | | PS.first.d2 - WS.106.2a | 106 | | PS.first.d3 - WS.106.2b | 106 | | PS.first.d4 - WS.106.3a | 106 | | PS.first.d5 - WS.106.3b | 106 | | PS.first.d6 -(42 rows) - --- --- Install the central phone system and create the phone numbers. --- They are wired on insert to the patchfields. Again the --- triggers automatically tell the PSlots to update their --- backlink field. --- -insert into PLine values ('PL.001', '-0', 'Central call', 'PS.base.ta1'); -insert into PLine values ('PL.002', '-101', '', 'PS.base.ta2'); -insert into PLine values ('PL.003', '-102', '', 'PS.base.ta3'); -insert into PLine values ('PL.004', '-103', '', 'PS.base.ta5'); -insert into PLine values ('PL.005', '-104', '', 'PS.base.ta6'); -insert into PLine values ('PL.006', '-106', '', 'PS.base.tb2'); -insert into PLine values ('PL.007', '-108', '', 'PS.base.tb3'); -insert into PLine values ('PL.008', '-109', '', 'PS.base.tb4'); -insert into PLine values ('PL.009', '-121', '', 'PS.base.tb5'); -insert into PLine values ('PL.010', '-122', '', 'PS.base.tb6'); -insert into PLine values ('PL.015', '-134', '', 'PS.first.ta1'); -insert into PLine values ('PL.016', '-137', '', 'PS.first.ta3'); -insert into PLine values ('PL.017', '-139', '', 'PS.first.ta4'); -insert into PLine values ('PL.018', '-362', '', 'PS.first.tb1'); -insert into PLine values ('PL.019', '-363', '', 'PS.first.tb2'); -insert into PLine values ('PL.020', '-364', '', 'PS.first.tb3'); -insert into PLine values ('PL.021', '-365', '', 'PS.first.tb5'); -insert into PLine values ('PL.022', '-367', '', 'PS.first.tb6'); -insert into PLine values ('PL.028', '-501', 'Fax entrance', 'PS.base.ta2'); -insert into PLine values ('PL.029', '-502', 'Fax first floor', 'PS.first.ta1'); --- --- Buy some phones, plug them into the wall and patch the --- phone lines to the corresponding patchfield slots. --- -insert into PHone values ('PH.hc001', 'Hicom standard', 'WS.001.1a'); -update PSlot set slotlink = 'PS.base.ta1' where slotname = 'PS.base.a1'; -insert into PHone values ('PH.hc002', 'Hicom standard', 'WS.002.1a'); -update PSlot set slotlink = 'PS.base.ta5' where slotname = 'PS.base.b1'; -insert into PHone values ('PH.hc003', 'Hicom standard', 'WS.002.2a'); -update PSlot set slotlink = 'PS.base.tb2' where slotname = 'PS.base.b3'; -insert into PHone values ('PH.fax001', 'Canon fax', 'WS.001.2a'); -update PSlot set slotlink = 'PS.base.ta2' where slotname = 'PS.base.a3'; --- --- Install a hub at one of the patchfields, plug a computers --- ethernet interface into the wall and patch it to the hub. --- -insert into Hub values ('base.hub1', 'Patchfield PF0_1 hub', 16); -insert into System values ('orion', 'PC'); -insert into IFace values ('IF', 'orion', 'eth0', 'WS.002.1b'); -update PSlot set slotlink = 'HS.base.hub1.1' where slotname = 'PS.base.b2'; --- --- Now we take a look at the patchfield --- -select * from PField_v1 where pfname = 'PF0_1' order by slotname; - pfname | slotname | backside | patch ---------+----------------------+----------------------------------------------------------+----------------------------------------------- - PF0_1 | PS.base.a1 | WS.001.1a in room 001 -> Phone PH.hc001 (Hicom standard) | PS.base.ta1 -> Phone line -0 (Central call) - PF0_1 | PS.base.a2 | WS.001.1b in room 001 -> - | - - PF0_1 | PS.base.a3 | WS.001.2a in room 001 -> Phone PH.fax001 (Canon fax) | PS.base.ta2 -> Phone line -501 (Fax entrance) - PF0_1 | PS.base.a4 | WS.001.2b in room 001 -> - | - - PF0_1 | PS.base.a5 | WS.001.3a in room 001 -> - | - - PF0_1 | PS.base.a6 | WS.001.3b in room 001 -> - | - - PF0_1 | PS.base.b1 | WS.002.1a in room 002 -> Phone PH.hc002 (Hicom standard) | PS.base.ta5 -> Phone line -103 - PF0_1 | PS.base.b2 | WS.002.1b in room 002 -> orion IF eth0 (PC) | Patchfield PF0_1 hub slot 1 - PF0_1 | PS.base.b3 | WS.002.2a in room 002 -> Phone PH.hc003 (Hicom standard) | PS.base.tb2 -> Phone line -106 - PF0_1 | PS.base.b4 | WS.002.2b in room 002 -> - | - - PF0_1 | PS.base.b5 | WS.002.3a in room 002 -> - | - - PF0_1 | PS.base.b6 | WS.002.3b in room 002 -> - | - - PF0_1 | PS.base.c1 | WS.003.1a in room 003 -> - | - - PF0_1 | PS.base.c2 | WS.003.1b in room 003 -> - | - - PF0_1 | PS.base.c3 | WS.003.2a in room 003 -> - | - - PF0_1 | PS.base.c4 | WS.003.2b in room 003 -> - | - - PF0_1 | PS.base.c5 | WS.003.3a in room 003 -> - | - - PF0_1 | PS.base.c6 | WS.003.3b in room 003 -> - | - -(18 rows) - -select * from PField_v1 where pfname = 'PF0_2' order by slotname; - pfname | slotname | backside | patch ---------+----------------------+--------------------------------+------------------------------------------------------------------------ - PF0_2 | PS.base.ta1 | Phone line -0 (Central call) | PS.base.a1 -> WS.001.1a in room 001 -> Phone PH.hc001 (Hicom standard) - PF0_2 | PS.base.ta2 | Phone line -501 (Fax entrance) | PS.base.a3 -> WS.001.2a in room 001 -> Phone PH.fax001 (Canon fax) - PF0_2 | PS.base.ta3 | Phone line -102 | - - PF0_2 | PS.base.ta4 | - | - - PF0_2 | PS.base.ta5 | Phone line -103 | PS.base.b1 -> WS.002.1a in room 002 -> Phone PH.hc002 (Hicom standard) - PF0_2 | PS.base.ta6 | Phone line -104 | - - PF0_2 | PS.base.tb1 | - | - - PF0_2 | PS.base.tb2 | Phone line -106 | PS.base.b3 -> WS.002.2a in room 002 -> Phone PH.hc003 (Hicom standard) - PF0_2 | PS.base.tb3 | Phone line -108 | - - PF0_2 | PS.base.tb4 | Phone line -109 | - - PF0_2 | PS.base.tb5 | Phone line -121 | - - PF0_2 | PS.base.tb6 | Phone line -122 | - -(12 rows) - --- --- Finally we want errors --- -insert into PField values ('PF1_1', 'should fail due to unique index'); -ERROR: duplicate key value violates unique constraint "pfield_name" -DETAIL: Key (name)=(PF1_1) already exists. -update PSlot set backlink = 'WS.not.there' where slotname = 'PS.base.a1'; -ERROR: WS.not.there does not exist -CONTEXT: PL/pgSQL function tg_backlink_set(character,character) line 30 at RAISE -PL/pgSQL function tg_backlink_a() line 17 at assignment -update PSlot set backlink = 'XX.illegal' where slotname = 'PS.base.a1'; -ERROR: illegal backlink beginning with XX -CONTEXT: PL/pgSQL function tg_backlink_set(character,character) line 47 at RAISE -PL/pgSQL function tg_backlink_a() line 17 at assignment -update PSlot set slotlink = 'PS.not.there' where slotname = 'PS.base.a1'; -ERROR: PS.not.there does not exist -CONTEXT: PL/pgSQL function tg_slotlink_set(character,character) line 30 at RAISE -PL/pgSQL function tg_slotlink_a() line 17 at assignment -update PSlot set slotlink = 'XX.illegal' where slotname = 'PS.base.a1'; -ERROR: illegal slotlink beginning with XX -CONTEXT: PL/pgSQL function tg_slotlink_set(character,character) line 77 at RAISE -PL/pgSQL function tg_slotlink_a() line 17 at assignment -insert into HSlot values ('HS', 'base.hub1', 1, ''); -ERROR: duplicate key value violates unique constraint "hslot_name" -DETAIL: Key (slotname)=(HS.base.hub1.1 ) already exists. -insert into HSlot values ('HS', 'base.hub1', 20, ''); -ERROR: no manual manipulation of HSlot -CONTEXT: PL/pgSQL function tg_hslot_biu() line 12 at RAISE -delete from HSlot; -ERROR: no manual manipulation of HSlot -CONTEXT: PL/pgSQL function tg_hslot_bd() line 12 at RAISE -insert into IFace values ('IF', 'notthere', 'eth0', ''); -ERROR: system "notthere" does not exist -CONTEXT: PL/pgSQL function tg_iface_biu() line 8 at RAISE -insert into IFace values ('IF', 'orion', 'ethernet_interface_name_too_long', ''); -ERROR: IFace slotname "IF.orion.ethernet_interface_name_too_long" too long (20 char max) -CONTEXT: PL/pgSQL function tg_iface_biu() line 14 at RAISE --- --- The following tests are unrelated to the scenario outlined above; --- they merely exercise specific parts of PL/pgSQL --- --- --- Test recursion, per bug report 7-Sep-01 --- -CREATE FUNCTION recursion_test(int,int) RETURNS text AS ' -DECLARE rslt text; -BEGIN - IF $1 <= 0 THEN - rslt = CAST($2 AS TEXT); - ELSE - rslt = CAST($1 AS TEXT) || '','' || recursion_test($1 - 1, $2); - END IF; - RETURN rslt; -END;' LANGUAGE plpgsql; -SELECT recursion_test(4,3); - recursion_test ----------------- - 4,3,2,1,3 -(1 row) - --- --- Test the FOUND magic variable --- -CREATE TABLE found_test_tbl (a int); -create function test_found() - returns boolean as ' - declare - begin - insert into found_test_tbl values (1); - if FOUND then - insert into found_test_tbl values (2); - end if; - - update found_test_tbl set a = 100 where a = 1; - if FOUND then - insert into found_test_tbl values (3); - end if; - - delete from found_test_tbl where a = 9999; -- matches no rows - if not FOUND then - insert into found_test_tbl values (4); - end if; - - for i in 1 .. 10 loop - -- no need to do anything - end loop; - if FOUND then - insert into found_test_tbl values (5); - end if; - - -- never executes the loop - for i in 2 .. 1 loop - -- no need to do anything - end loop; - if not FOUND then - insert into found_test_tbl values (6); - end if; - return true; - end;' language plpgsql; -select test_found(); - test_found ------------- - t -(1 row) - -select * from found_test_tbl; - a ------ - 2 - 100 - 3 - 4 - 5 - 6 -(6 rows) - --- --- Test set-returning functions for PL/pgSQL --- -create function test_table_func_rec() returns setof found_test_tbl as ' -DECLARE - rec RECORD; -BEGIN - FOR rec IN select * from found_test_tbl LOOP - RETURN NEXT rec; - END LOOP; - RETURN; -END;' language plpgsql; -select * from test_table_func_rec(); - a ------ - 2 - 100 - 3 - 4 - 5 - 6 -(6 rows) - -create function test_table_func_row() returns setof found_test_tbl as ' -DECLARE - row found_test_tbl%ROWTYPE; -BEGIN - FOR row IN select * from found_test_tbl LOOP - RETURN NEXT row; - END LOOP; - RETURN; -END;' language plpgsql; -select * from test_table_func_row(); - a ------ - 2 - 100 - 3 - 4 - 5 - 6 -(6 rows) - -create function test_ret_set_scalar(int,int) returns setof int as ' -DECLARE - i int; -BEGIN - FOR i IN $1 .. $2 LOOP - RETURN NEXT i + 1; - END LOOP; - RETURN; -END;' language plpgsql; -select * from test_ret_set_scalar(1,10); - test_ret_set_scalar ---------------------- - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 -(10 rows) - -create function test_ret_set_rec_dyn(int) returns setof record as ' -DECLARE - retval RECORD; -BEGIN - IF $1 > 10 THEN - SELECT INTO retval 5, 10, 15; - RETURN NEXT retval; - RETURN NEXT retval; - ELSE - SELECT INTO retval 50, 5::numeric, ''xxx''::text; - RETURN NEXT retval; - RETURN NEXT retval; - END IF; - RETURN; -END;' language plpgsql; -SELECT * FROM test_ret_set_rec_dyn(1500) AS (a int, b int, c int); - a | b | c ----+----+---- - 5 | 10 | 15 - 5 | 10 | 15 -(2 rows) - -SELECT * FROM test_ret_set_rec_dyn(5) AS (a int, b numeric, c text); - a | b | c -----+---+----- - 50 | 5 | xxx - 50 | 5 | xxx -(2 rows) - -create function test_ret_rec_dyn(int) returns record as ' -DECLARE - retval RECORD; -BEGIN - IF $1 > 10 THEN - SELECT INTO retval 5, 10, 15; - RETURN retval; - ELSE - SELECT INTO retval 50, 5::numeric, ''xxx''::text; - RETURN retval; - END IF; -END;' language plpgsql; -SELECT * FROM test_ret_rec_dyn(1500) AS (a int, b int, c int); - a | b | c ----+----+---- - 5 | 10 | 15 -(1 row) - -SELECT * FROM test_ret_rec_dyn(5) AS (a int, b numeric, c text); - a | b | c -----+---+----- - 50 | 5 | xxx -(1 row) - --- --- Test some simple polymorphism cases. --- -create function f1(x anyelement) returns anyelement as $$ -begin - return x + 1; -end$$ language plpgsql; -select f1(42) as int, f1(4.5) as num; - int | num ------+----- - 43 | 5.5 -(1 row) - -select f1(point(3,4)); -- fail for lack of + operator -ERROR: operator does not exist: point + integer -LINE 1: x + 1 - ^ -HINT: No operator matches the given name and argument types. You might need to add explicit type casts. -QUERY: x + 1 -CONTEXT: PL/pgSQL function f1(anyelement) line 3 at RETURN -drop function f1(x anyelement); -create function f1(x anyelement) returns anyarray as $$ -begin - return array[x + 1, x + 2]; -end$$ language plpgsql; -select f1(42) as int, f1(4.5) as num; - int | num ----------+----------- - {43,44} | {5.5,6.5} -(1 row) - -drop function f1(x anyelement); -create function f1(x anyarray) returns anyelement as $$ -begin - return x[1]; -end$$ language plpgsql; -select f1(array[2,4]) as int, f1(array[4.5, 7.7]) as num; - int | num ------+----- - 2 | 4.5 -(1 row) - -select f1(stavalues1) from pg_statistic; -- fail, can't infer element type -ERROR: cannot determine element type of "anyarray" argument -drop function f1(x anyarray); -create function f1(x anyarray) returns anyarray as $$ -begin - return x; -end$$ language plpgsql; -select f1(array[2,4]) as int, f1(array[4.5, 7.7]) as num; - int | num --------+----------- - {2,4} | {4.5,7.7} -(1 row) - -select f1(stavalues1) from pg_statistic; -- fail, can't infer element type -ERROR: PL/pgSQL functions cannot accept type anyarray -CONTEXT: compilation of PL/pgSQL function "f1" near line 1 -drop function f1(x anyarray); --- fail, can't infer type: -create function f1(x anyelement) returns anyrange as $$ -begin - return array[x + 1, x + 2]; -end$$ language plpgsql; -ERROR: cannot determine result data type -DETAIL: A result of type anyrange requires at least one input of type anyrange or anymultirange. -create function f1(x anyrange) returns anyarray as $$ -begin - return array[lower(x), upper(x)]; -end$$ language plpgsql; -select f1(int4range(42, 49)) as int, f1(float8range(4.5, 7.8)) as num; - int | num ----------+----------- - {42,49} | {4.5,7.8} -(1 row) - -drop function f1(x anyrange); -create function f1(x anycompatible, y anycompatible) returns anycompatiblearray as $$ -begin - return array[x, y]; -end$$ language plpgsql; -select f1(2, 4) as int, f1(2, 4.5) as num; - int | num --------+--------- - {2,4} | {2,4.5} -(1 row) - -drop function f1(x anycompatible, y anycompatible); -create function f1(x anycompatiblerange, y anycompatible, z anycompatible) returns anycompatiblearray as $$ -begin - return array[lower(x), upper(x), y, z]; -end$$ language plpgsql; -select f1(int4range(42, 49), 11, 2::smallint) as int, f1(float8range(4.5, 7.8), 7.8, 11::real) as num; - int | num ---------------+------------------ - {42,49,11,2} | {4.5,7.8,7.8,11} -(1 row) - -select f1(int4range(42, 49), 11, 4.5) as fail; -- range type doesn't fit -ERROR: function f1(int4range, integer, numeric) does not exist -LINE 1: select f1(int4range(42, 49), 11, 4.5) as fail; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function f1(x anycompatiblerange, y anycompatible, z anycompatible); --- fail, can't infer type: -create function f1(x anycompatible) returns anycompatiblerange as $$ -begin - return array[x + 1, x + 2]; -end$$ language plpgsql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatiblerange requires at least one input of type anycompatiblerange or anycompatiblemultirange. -create function f1(x anycompatiblerange, y anycompatiblearray) returns anycompatiblerange as $$ -begin - return x; -end$$ language plpgsql; -select f1(int4range(42, 49), array[11]) as int, f1(float8range(4.5, 7.8), array[7]) as num; - int | num ----------+----------- - [42,49) | [4.5,7.8) -(1 row) - -drop function f1(x anycompatiblerange, y anycompatiblearray); -create function f1(a anyelement, b anyarray, - c anycompatible, d anycompatible, - OUT x anyarray, OUT y anycompatiblearray) -as $$ -begin - x := a || b; - y := array[c, d]; -end$$ language plpgsql; -select x, pg_typeof(x), y, pg_typeof(y) - from f1(11, array[1, 2], 42, 34.5); - x | pg_typeof | y | pg_typeof -----------+-----------+-----------+----------- - {11,1,2} | integer[] | {42,34.5} | numeric[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from f1(11, array[1, 2], point(1,2), point(3,4)); - x | pg_typeof | y | pg_typeof -----------+-----------+-------------------+----------- - {11,1,2} | integer[] | {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from f1(11, '{1,2}', point(1,2), '(3,4)'); - x | pg_typeof | y | pg_typeof -----------+-----------+-------------------+----------- - {11,1,2} | integer[] | {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from f1(11, array[1, 2.2], 42, 34.5); -- fail -ERROR: function f1(integer, numeric[], integer, numeric) does not exist -LINE 2: from f1(11, array[1, 2.2], 42, 34.5); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function f1(a anyelement, b anyarray, - c anycompatible, d anycompatible); --- --- Test handling of OUT parameters, including polymorphic cases. --- Note that RETURN is optional with OUT params; we try both ways. --- --- wrong way to do it: -create function f1(in i int, out j int) returns int as $$ -begin - return i+1; -end$$ language plpgsql; -ERROR: RETURN cannot have a parameter in function with OUT parameters -LINE 3: return i+1; - ^ -create function f1(in i int, out j int) as $$ -begin - j := i+1; - return; -end$$ language plpgsql; -select f1(42); - f1 ----- - 43 -(1 row) - -select * from f1(42); - j ----- - 43 -(1 row) - -create or replace function f1(inout i int) as $$ -begin - i := i+1; -end$$ language plpgsql; -select f1(42); - f1 ----- - 43 -(1 row) - -select * from f1(42); - i ----- - 43 -(1 row) - -drop function f1(int); -create function f1(in i int, out j int) returns setof int as $$ -begin - j := i+1; - return next; - j := i+2; - return next; - return; -end$$ language plpgsql; -select * from f1(42); - j ----- - 43 - 44 -(2 rows) - -drop function f1(int); -create function f1(in i int, out j int, out k text) as $$ -begin - j := i; - j := j+1; - k := 'foo'; -end$$ language plpgsql; -select f1(42); - f1 ----------- - (43,foo) -(1 row) - -select * from f1(42); - j | k -----+----- - 43 | foo -(1 row) - -drop function f1(int); -create function f1(in i int, out j int, out k text) returns setof record as $$ -begin - j := i+1; - k := 'foo'; - return next; - j := j+1; - k := 'foot'; - return next; -end$$ language plpgsql; -select * from f1(42); - j | k -----+------ - 43 | foo - 44 | foot -(2 rows) - -drop function f1(int); -create function duplic(in i anyelement, out j anyelement, out k anyarray) as $$ -begin - j := i; - k := array[j,j]; - return; -end$$ language plpgsql; -select * from duplic(42); - j | k -----+--------- - 42 | {42,42} -(1 row) - -select * from duplic('foo'::text); - j | k ------+----------- - foo | {foo,foo} -(1 row) - -drop function duplic(anyelement); -create function duplic(in i anycompatiblerange, out j anycompatible, out k anycompatiblearray) as $$ -begin - j := lower(i); - k := array[lower(i),upper(i)]; - return; -end$$ language plpgsql; -select * from duplic(int4range(42,49)); - j | k -----+--------- - 42 | {42,49} -(1 row) - -select * from duplic(textrange('aaa', 'bbb')); - j | k ------+----------- - aaa | {aaa,bbb} -(1 row) - -drop function duplic(anycompatiblerange); --- --- test PERFORM --- -create table perform_test ( - a INT, - b INT -); -create function perform_simple_func(int) returns boolean as ' -BEGIN - IF $1 < 20 THEN - INSERT INTO perform_test VALUES ($1, $1 + 10); - RETURN TRUE; - ELSE - RETURN FALSE; - END IF; -END;' language plpgsql; -create function perform_test_func() returns void as ' -BEGIN - IF FOUND then - INSERT INTO perform_test VALUES (100, 100); - END IF; - - PERFORM perform_simple_func(5); - - IF FOUND then - INSERT INTO perform_test VALUES (100, 100); - END IF; - - PERFORM perform_simple_func(50); - - IF FOUND then - INSERT INTO perform_test VALUES (100, 100); - END IF; - - RETURN; -END;' language plpgsql; -SELECT perform_test_func(); - perform_test_func -------------------- - -(1 row) - -SELECT * FROM perform_test; - a | b ------+----- - 5 | 15 - 100 | 100 - 100 | 100 -(3 rows) - -drop table perform_test; --- --- Test proper snapshot handling in simple expressions --- -create temp table users(login text, id serial); -create function sp_id_user(a_login text) returns int as $$ -declare x int; -begin - select into x id from users where login = a_login; - if found then return x; end if; - return 0; -end$$ language plpgsql stable; -insert into users values('user1'); -select sp_id_user('user1'); - sp_id_user ------------- - 1 -(1 row) - -select sp_id_user('userx'); - sp_id_user ------------- - 0 -(1 row) - -create function sp_add_user(a_login text) returns int as $$ -declare my_id_user int; -begin - my_id_user = sp_id_user( a_login ); - IF my_id_user > 0 THEN - RETURN -1; -- error code for existing user - END IF; - INSERT INTO users ( login ) VALUES ( a_login ); - my_id_user = sp_id_user( a_login ); - IF my_id_user = 0 THEN - RETURN -2; -- error code for insertion failure - END IF; - RETURN my_id_user; -end$$ language plpgsql; -select sp_add_user('user1'); - sp_add_user -------------- - -1 -(1 row) - -select sp_add_user('user2'); - sp_add_user -------------- - 2 -(1 row) - -select sp_add_user('user2'); - sp_add_user -------------- - -1 -(1 row) - -select sp_add_user('user3'); - sp_add_user -------------- - 3 -(1 row) - -select sp_add_user('user3'); - sp_add_user -------------- - -1 -(1 row) - -drop function sp_add_user(text); -drop function sp_id_user(text); --- --- tests for refcursors --- -create table rc_test (a int, b int); -copy rc_test from stdin; -create function return_unnamed_refcursor() returns refcursor as $$ -declare - rc refcursor; -begin - open rc for select a from rc_test; - return rc; -end -$$ language plpgsql; -create function use_refcursor(rc refcursor) returns int as $$ -declare - rc refcursor; - x record; -begin - rc := return_unnamed_refcursor(); - fetch next from rc into x; - return x.a; -end -$$ language plpgsql; -select use_refcursor(return_unnamed_refcursor()); - use_refcursor ---------------- - 5 -(1 row) - -create function return_refcursor(rc refcursor) returns refcursor as $$ -begin - open rc for select a from rc_test; - return rc; -end -$$ language plpgsql; -create function refcursor_test1(refcursor) returns refcursor as $$ -begin - perform return_refcursor($1); - return $1; -end -$$ language plpgsql; -begin; -select refcursor_test1('test1'); - refcursor_test1 ------------------ - test1 -(1 row) - -fetch next in test1; - a ---- - 5 -(1 row) - -select refcursor_test1('test2'); - refcursor_test1 ------------------ - test2 -(1 row) - -fetch all from test2; - a ------ - 5 - 50 - 500 -(3 rows) - -commit; --- should fail -fetch next from test1; -ERROR: cursor "test1" does not exist -create function refcursor_test2(int, int) returns boolean as $$ -declare - c1 cursor (param1 int, param2 int) for select * from rc_test where a > param1 and b > param2; - nonsense record; -begin - open c1($1, $2); - fetch c1 into nonsense; - close c1; - if found then - return true; - else - return false; - end if; -end -$$ language plpgsql; -select refcursor_test2(20000, 20000) as "Should be false", - refcursor_test2(20, 20) as "Should be true"; - Should be false | Should be true ------------------+---------------- - f | t -(1 row) - --- should fail -create function constant_refcursor() returns refcursor as $$ -declare - rc constant refcursor; -begin - open rc for select a from rc_test; - return rc; -end -$$ language plpgsql; -select constant_refcursor(); -ERROR: variable "rc" is declared CONSTANT -CONTEXT: PL/pgSQL function constant_refcursor() line 5 at OPEN --- but it's okay like this -create or replace function constant_refcursor() returns refcursor as $$ -declare - rc constant refcursor := 'my_cursor_name'; -begin - open rc for select a from rc_test; - return rc; -end -$$ language plpgsql; -select constant_refcursor(); - constant_refcursor --------------------- - my_cursor_name -(1 row) - --- --- tests for cursors with named parameter arguments --- -create function namedparmcursor_test1(int, int) returns boolean as $$ -declare - c1 cursor (param1 int, param12 int) for select * from rc_test where a > param1 and b > param12; - nonsense record; -begin - open c1(param12 := $2, param1 := $1); - fetch c1 into nonsense; - close c1; - if found then - return true; - else - return false; - end if; -end -$$ language plpgsql; -select namedparmcursor_test1(20000, 20000) as "Should be false", - namedparmcursor_test1(20, 20) as "Should be true"; - Should be false | Should be true ------------------+---------------- - f | t -(1 row) - --- mixing named and positional argument notations -create function namedparmcursor_test2(int, int) returns boolean as $$ -declare - c1 cursor (param1 int, param2 int) for select * from rc_test where a > param1 and b > param2; - nonsense record; -begin - open c1(param1 := $1, $2); - fetch c1 into nonsense; - close c1; - if found then - return true; - else - return false; - end if; -end -$$ language plpgsql; -select namedparmcursor_test2(20, 20); - namedparmcursor_test2 ------------------------ - t -(1 row) - --- mixing named and positional: param2 is given twice, once in named notation --- and second time in positional notation. Should throw an error at parse time -create function namedparmcursor_test3() returns void as $$ -declare - c1 cursor (param1 int, param2 int) for select * from rc_test where a > param1 and b > param2; -begin - open c1(param2 := 20, 21); -end -$$ language plpgsql; -ERROR: value for parameter "param2" of cursor "c1" specified more than once -LINE 5: open c1(param2 := 20, 21); - ^ --- mixing named and positional: same as previous test, but param1 is duplicated -create function namedparmcursor_test4() returns void as $$ -declare - c1 cursor (param1 int, param2 int) for select * from rc_test where a > param1 and b > param2; -begin - open c1(20, param1 := 21); -end -$$ language plpgsql; -ERROR: value for parameter "param1" of cursor "c1" specified more than once -LINE 5: open c1(20, param1 := 21); - ^ --- duplicate named parameter, should throw an error at parse time -create function namedparmcursor_test5() returns void as $$ -declare - c1 cursor (p1 int, p2 int) for - select * from tenk1 where thousand = p1 and tenthous = p2; -begin - open c1 (p2 := 77, p2 := 42); -end -$$ language plpgsql; -ERROR: value for parameter "p2" of cursor "c1" specified more than once -LINE 6: open c1 (p2 := 77, p2 := 42); - ^ --- not enough parameters, should throw an error at parse time -create function namedparmcursor_test6() returns void as $$ -declare - c1 cursor (p1 int, p2 int) for - select * from tenk1 where thousand = p1 and tenthous = p2; -begin - open c1 (p2 := 77); -end -$$ language plpgsql; -ERROR: not enough arguments for cursor "c1" -LINE 6: open c1 (p2 := 77); - ^ --- division by zero runtime error, the context given in the error message --- should be sensible -create function namedparmcursor_test7() returns void as $$ -declare - c1 cursor (p1 int, p2 int) for - select * from tenk1 where thousand = p1 and tenthous = p2; -begin - open c1 (p2 := 77, p1 := 42/0); -end $$ language plpgsql; -select namedparmcursor_test7(); -ERROR: division by zero -CONTEXT: PL/pgSQL expression "42/0 AS p1, 77 AS p2" -PL/pgSQL function namedparmcursor_test7() line 6 at OPEN --- check that line comments work correctly within the argument list --- (this used to require a special hack in the code; it no longer does, --- but let's keep the test anyway) -create function namedparmcursor_test8() returns int4 as $$ -declare - c1 cursor (p1 int, p2 int) for - select count(*) from tenk1 where thousand = p1 and tenthous = p2; - n int4; -begin - open c1 (77 -- test - , 42); - fetch c1 into n; - return n; -end $$ language plpgsql; -select namedparmcursor_test8(); - namedparmcursor_test8 ------------------------ - 0 -(1 row) - --- cursor parameter name can match plpgsql variable or unreserved keyword -create function namedparmcursor_test9(p1 int) returns int4 as $$ -declare - c1 cursor (p1 int, p2 int, debug int) for - select count(*) from tenk1 where thousand = p1 and tenthous = p2 - and four = debug; - p2 int4 := 1006; - n int4; -begin - -- use both supported syntaxes for named arguments - open c1 (p1 := p1, p2 => p2, debug => 2); - fetch c1 into n; - return n; -end $$ language plpgsql; -select namedparmcursor_test9(6); - namedparmcursor_test9 ------------------------ - 1 -(1 row) - --- --- tests for "raise" processing --- -create function raise_test1(int) returns int as $$ -begin - raise notice 'This message has too many parameters!', $1; - return $1; -end; -$$ language plpgsql; -ERROR: too many parameters specified for RAISE -CONTEXT: compilation of PL/pgSQL function "raise_test1" near line 3 -create function raise_test2(int) returns int as $$ -begin - raise notice 'This message has too few parameters: %, %, %', $1, $1; - return $1; -end; -$$ language plpgsql; -ERROR: too few parameters specified for RAISE -CONTEXT: compilation of PL/pgSQL function "raise_test2" near line 3 -create function raise_test3(int) returns int as $$ -begin - raise notice 'This message has no parameters (despite having %% signs in it)!'; - return $1; -end; -$$ language plpgsql; -select raise_test3(1); -NOTICE: This message has no parameters (despite having % signs in it)! - raise_test3 -------------- - 1 -(1 row) - --- Test re-RAISE inside a nested exception block. This case is allowed --- by Oracle's PL/SQL but was handled differently by PG before 9.1. -CREATE FUNCTION reraise_test() RETURNS void AS $$ -BEGIN - BEGIN - RAISE syntax_error; - EXCEPTION - WHEN syntax_error THEN - BEGIN - raise notice 'exception % thrown in inner block, reraising', sqlerrm; - RAISE; - EXCEPTION - WHEN OTHERS THEN - raise notice 'RIGHT - exception % caught in inner block', sqlerrm; - END; - END; -EXCEPTION - WHEN OTHERS THEN - raise notice 'WRONG - exception % caught in outer block', sqlerrm; -END; -$$ LANGUAGE plpgsql; -SELECT reraise_test(); -NOTICE: exception syntax_error thrown in inner block, reraising -NOTICE: RIGHT - exception syntax_error caught in inner block - reraise_test --------------- - -(1 row) - --- --- reject function definitions that contain malformed SQL queries at --- compile-time, where possible --- -create function bad_sql1() returns int as $$ -declare a int; -begin - a := 5; - Johnny Yuma; - a := 10; - return a; -end$$ language plpgsql; -ERROR: syntax error at or near "Johnny" -LINE 5: Johnny Yuma; - ^ -create function bad_sql2() returns int as $$ -declare r record; -begin - for r in select I fought the law, the law won LOOP - raise notice 'in loop'; - end loop; - return 5; -end;$$ language plpgsql; -ERROR: syntax error at or near "the" -LINE 4: for r in select I fought the law, the law won LOOP - ^ --- a RETURN expression is mandatory, except for void-returning --- functions, where it is not allowed -create function missing_return_expr() returns int as $$ -begin - return ; -end;$$ language plpgsql; -ERROR: missing expression at or near ";" -LINE 3: return ; - ^ -create function void_return_expr() returns void as $$ -begin - return 5; -end;$$ language plpgsql; -ERROR: RETURN cannot have a parameter in function returning void -LINE 3: return 5; - ^ --- VOID functions are allowed to omit RETURN -create function void_return_expr() returns void as $$ -begin - perform 2+2; -end;$$ language plpgsql; -select void_return_expr(); - void_return_expr ------------------- - -(1 row) - --- but ordinary functions are not -create function missing_return_expr() returns int as $$ -begin - perform 2+2; -end;$$ language plpgsql; -select missing_return_expr(); -ERROR: control reached end of function without RETURN -CONTEXT: PL/pgSQL function missing_return_expr() -drop function void_return_expr(); -drop function missing_return_expr(); --- --- EXECUTE ... INTO test --- -create table eifoo (i integer, y integer); -create type eitype as (i integer, y integer); -create or replace function execute_into_test(varchar) returns record as $$ -declare - _r record; - _rt eifoo%rowtype; - _v eitype; - i int; - j int; - k int; -begin - execute 'insert into '||$1||' values(10,15)'; - execute 'select (row).* from (select row(10,1)::eifoo) s' into _r; - raise notice '% %', _r.i, _r.y; - execute 'select * from '||$1||' limit 1' into _rt; - raise notice '% %', _rt.i, _rt.y; - execute 'select *, 20 from '||$1||' limit 1' into i, j, k; - raise notice '% % %', i, j, k; - execute 'select 1,2' into _v; - return _v; -end; $$ language plpgsql; -select execute_into_test('eifoo'); -NOTICE: 10 1 -NOTICE: 10 15 -NOTICE: 10 15 20 - execute_into_test -------------------- - (1,2) -(1 row) - -drop table eifoo cascade; -drop type eitype cascade; --- --- SQLSTATE and SQLERRM test --- -create function excpt_test1() returns void as $$ -begin - raise notice '% %', sqlstate, sqlerrm; -end; $$ language plpgsql; --- should fail: SQLSTATE and SQLERRM are only in defined EXCEPTION --- blocks -select excpt_test1(); -ERROR: column "sqlstate" does not exist -LINE 1: sqlstate - ^ -QUERY: sqlstate -CONTEXT: PL/pgSQL function excpt_test1() line 3 at RAISE -create function excpt_test2() returns void as $$ -begin - begin - begin - raise notice '% %', sqlstate, sqlerrm; - end; - end; -end; $$ language plpgsql; --- should fail -select excpt_test2(); -ERROR: column "sqlstate" does not exist -LINE 1: sqlstate - ^ -QUERY: sqlstate -CONTEXT: PL/pgSQL function excpt_test2() line 5 at RAISE -create function excpt_test3() returns void as $$ -begin - begin - raise exception 'user exception'; - exception when others then - raise notice 'caught exception % %', sqlstate, sqlerrm; - begin - raise notice '% %', sqlstate, sqlerrm; - perform 10/0; - exception - when substring_error then - -- this exception handler shouldn't be invoked - raise notice 'unexpected exception: % %', sqlstate, sqlerrm; - when division_by_zero then - raise notice 'caught exception % %', sqlstate, sqlerrm; - end; - raise notice '% %', sqlstate, sqlerrm; - end; -end; $$ language plpgsql; -select excpt_test3(); -NOTICE: caught exception P0001 user exception -NOTICE: P0001 user exception -NOTICE: caught exception 22012 division by zero -NOTICE: P0001 user exception - excpt_test3 -------------- - -(1 row) - -create function excpt_test4() returns text as $$ -begin - begin perform 1/0; - exception when others then return sqlerrm; end; -end; $$ language plpgsql; -select excpt_test4(); - excpt_test4 ------------------- - division by zero -(1 row) - -drop function excpt_test1(); -drop function excpt_test2(); -drop function excpt_test3(); -drop function excpt_test4(); --- parameters of raise stmt can be expressions -create function raise_exprs() returns void as $$ -declare - a integer[] = '{10,20,30}'; - c varchar = 'xyz'; - i integer; -begin - i := 2; - raise notice '%; %; %; %; %; %', a, a[i], c, (select c || 'abc'), row(10,'aaa',NULL,30), NULL; -end;$$ language plpgsql; -select raise_exprs(); -NOTICE: {10,20,30}; 20; xyz; xyzabc; (10,aaa,,30); - raise_exprs -------------- - -(1 row) - -drop function raise_exprs(); --- regression test: verify that multiple uses of same plpgsql datum within --- a SQL command all get mapped to the same $n parameter. The return value --- of the SELECT is not important, we only care that it doesn't fail with --- a complaint about an ungrouped column reference. -create function multi_datum_use(p1 int) returns bool as $$ -declare - x int; - y int; -begin - select into x,y unique1/p1, unique1/$1 from tenk1 group by unique1/p1; - return x = y; -end$$ language plpgsql; -select multi_datum_use(42); - multi_datum_use ------------------ - t -(1 row) - --- --- Test STRICT limiter in both planned and EXECUTE invocations. --- Note that a data-modifying query is quasi strict (disallow multi rows) --- by default in the planned case, but not in EXECUTE. --- -create temp table foo (f1 int, f2 int); -insert into foo values (1,2), (3,4); -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should work - insert into foo values(5,6) returning * into x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -NOTICE: x.f1 = 5, x.f2 = 6 - stricttest ------------- - -(1 row) - -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should fail due to implicit strict - insert into foo values(7,8),(9,10) returning * into x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 5 at SQL statement -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should work - execute 'insert into foo values(5,6) returning *' into x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -NOTICE: x.f1 = 5, x.f2 = 6 - stricttest ------------- - -(1 row) - -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- this should work since EXECUTE isn't as picky - execute 'insert into foo values(7,8),(9,10) returning *' into x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -NOTICE: x.f1 = 7, x.f2 = 8 - stricttest ------------- - -(1 row) - -select * from foo; - f1 | f2 -----+---- - 1 | 2 - 3 | 4 - 5 | 6 - 5 | 6 - 7 | 8 - 9 | 10 -(6 rows) - -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should work - select * from foo where f1 = 3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -NOTICE: x.f1 = 3, x.f2 = 4 - stricttest ------------- - -(1 row) - -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should fail, no rows - select * from foo where f1 = 0 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned no rows -CONTEXT: PL/pgSQL function stricttest() line 5 at SQL statement -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should fail, too many rows - select * from foo where f1 > 3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 5 at SQL statement -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should work - execute 'select * from foo where f1 = 3' into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -NOTICE: x.f1 = 3, x.f2 = 4 - stricttest ------------- - -(1 row) - -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should fail, no rows - execute 'select * from foo where f1 = 0' into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned no rows -CONTEXT: PL/pgSQL function stricttest() line 5 at EXECUTE -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- should fail, too many rows - execute 'select * from foo where f1 > 3' into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -CONTEXT: PL/pgSQL function stricttest() line 5 at EXECUTE -drop function stricttest(); --- test printing parameters after failure due to STRICT -set plpgsql.print_strict_params to true; -create or replace function stricttest() returns void as $$ -declare -x record; -p1 int := 2; -p3 text := 'foo'; -begin - -- no rows - select * from foo where f1 = p1 and f1::text = p3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned no rows -DETAIL: parameters: p1 = '2', p3 = 'foo' -CONTEXT: PL/pgSQL function stricttest() line 8 at SQL statement -create or replace function stricttest() returns void as $$ -declare -x record; -p1 int := 2; -p3 text := $a$'Valame Dios!' dijo Sancho; 'no le dije yo a vuestra merced que mirase bien lo que hacia?'$a$; -begin - -- no rows - select * from foo where f1 = p1 and f1::text = p3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned no rows -DETAIL: parameters: p1 = '2', p3 = '''Valame Dios!'' dijo Sancho; ''no le dije yo a vuestra merced que mirase bien lo que hacia?''' -CONTEXT: PL/pgSQL function stricttest() line 8 at SQL statement -create or replace function stricttest() returns void as $$ -declare -x record; -p1 int := 2; -p3 text := 'foo'; -begin - -- too many rows - select * from foo where f1 > p1 or f1::text = p3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -DETAIL: parameters: p1 = '2', p3 = 'foo' -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 8 at SQL statement -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- too many rows, no params - select * from foo where f1 > 3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 5 at SQL statement -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- no rows - execute 'select * from foo where f1 = $1 or f1::text = $2' using 0, 'foo' into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned no rows -DETAIL: parameters: $1 = '0', $2 = 'foo' -CONTEXT: PL/pgSQL function stricttest() line 5 at EXECUTE -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- too many rows - execute 'select * from foo where f1 > $1' using 1 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -DETAIL: parameters: $1 = '1' -CONTEXT: PL/pgSQL function stricttest() line 5 at EXECUTE -create or replace function stricttest() returns void as $$ -declare x record; -begin - -- too many rows, no parameters - execute 'select * from foo where f1 > 3' into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -CONTEXT: PL/pgSQL function stricttest() line 5 at EXECUTE -create or replace function stricttest() returns void as $$ --- override the global -#print_strict_params off -declare -x record; -p1 int := 2; -p3 text := 'foo'; -begin - -- too many rows - select * from foo where f1 > p1 or f1::text = p3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 10 at SQL statement -reset plpgsql.print_strict_params; -create or replace function stricttest() returns void as $$ --- override the global -#print_strict_params on -declare -x record; -p1 int := 2; -p3 text := 'foo'; -begin - -- too many rows - select * from foo where f1 > p1 or f1::text = p3 into strict x; - raise notice 'x.f1 = %, x.f2 = %', x.f1, x.f2; -end$$ language plpgsql; -select stricttest(); -ERROR: query returned more than one row -DETAIL: parameters: p1 = '2', p3 = 'foo' -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function stricttest() line 10 at SQL statement --- test warnings and errors -set plpgsql.extra_warnings to 'all'; -set plpgsql.extra_warnings to 'none'; -set plpgsql.extra_errors to 'all'; -set plpgsql.extra_errors to 'none'; --- test warnings when shadowing a variable -set plpgsql.extra_warnings to 'shadowed_variables'; --- simple shadowing of input and output parameters -create or replace function shadowtest(in1 int) - returns table (out1 int) as $$ -declare -in1 int; -out1 int; -begin -end -$$ language plpgsql; -WARNING: variable "in1" shadows a previously defined variable -LINE 4: in1 int; - ^ -WARNING: variable "out1" shadows a previously defined variable -LINE 5: out1 int; - ^ -select shadowtest(1); - shadowtest ------------- -(0 rows) - -set plpgsql.extra_warnings to 'shadowed_variables'; -select shadowtest(1); - shadowtest ------------- -(0 rows) - -create or replace function shadowtest(in1 int) - returns table (out1 int) as $$ -declare -in1 int; -out1 int; -begin -end -$$ language plpgsql; -WARNING: variable "in1" shadows a previously defined variable -LINE 4: in1 int; - ^ -WARNING: variable "out1" shadows a previously defined variable -LINE 5: out1 int; - ^ -select shadowtest(1); - shadowtest ------------- -(0 rows) - -drop function shadowtest(int); --- shadowing in a second DECLARE block -create or replace function shadowtest() - returns void as $$ -declare -f1 int; -begin - declare - f1 int; - begin - end; -end$$ language plpgsql; -WARNING: variable "f1" shadows a previously defined variable -LINE 7: f1 int; - ^ -drop function shadowtest(); --- several levels of shadowing -create or replace function shadowtest(in1 int) - returns void as $$ -declare -in1 int; -begin - declare - in1 int; - begin - end; -end$$ language plpgsql; -WARNING: variable "in1" shadows a previously defined variable -LINE 4: in1 int; - ^ -WARNING: variable "in1" shadows a previously defined variable -LINE 7: in1 int; - ^ -drop function shadowtest(int); --- shadowing in cursor definitions -create or replace function shadowtest() - returns void as $$ -declare -f1 int; -c1 cursor (f1 int) for select 1; -begin -end$$ language plpgsql; -WARNING: variable "f1" shadows a previously defined variable -LINE 5: c1 cursor (f1 int) for select 1; - ^ -drop function shadowtest(); --- test errors when shadowing a variable -set plpgsql.extra_errors to 'shadowed_variables'; -create or replace function shadowtest(f1 int) - returns boolean as $$ -declare f1 int; begin return 1; end $$ language plpgsql; -ERROR: variable "f1" shadows a previously defined variable -LINE 3: declare f1 int; begin return 1; end $$ language plpgsql; - ^ -select shadowtest(1); -ERROR: function shadowtest(integer) does not exist -LINE 1: select shadowtest(1); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -reset plpgsql.extra_errors; -reset plpgsql.extra_warnings; -create or replace function shadowtest(f1 int) - returns boolean as $$ -declare f1 int; begin return 1; end $$ language plpgsql; -select shadowtest(1); - shadowtest ------------- - t -(1 row) - --- runtime extra checks -set plpgsql.extra_warnings to 'too_many_rows'; -do $$ -declare x int; -begin - select v from generate_series(1,2) g(v) into x; -end; -$$; -WARNING: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -set plpgsql.extra_errors to 'too_many_rows'; -do $$ -declare x int; -begin - select v from generate_series(1,2) g(v) into x; -end; -$$; -ERROR: query returned more than one row -HINT: Make sure the query returns a single row, or use LIMIT 1. -CONTEXT: PL/pgSQL function inline_code_block line 4 at SQL statement -reset plpgsql.extra_errors; -reset plpgsql.extra_warnings; -set plpgsql.extra_warnings to 'strict_multi_assignment'; -do $$ -declare - x int; - y int; -begin - select 1 into x, y; - select 1,2 into x, y; - select 1,2,3 into x, y; -end -$$; -WARNING: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_warnings is active. -HINT: Make sure the query returns the exact list of columns. -WARNING: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_warnings is active. -HINT: Make sure the query returns the exact list of columns. -set plpgsql.extra_errors to 'strict_multi_assignment'; -do $$ -declare - x int; - y int; -begin - select 1 into x, y; - select 1,2 into x, y; - select 1,2,3 into x, y; -end -$$; -ERROR: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_errors is active. -HINT: Make sure the query returns the exact list of columns. -CONTEXT: PL/pgSQL function inline_code_block line 6 at SQL statement -create table test_01(a int, b int, c int); -alter table test_01 drop column a; --- the check is active only when source table is not empty -insert into test_01 values(10,20); -do $$ -declare - x int; - y int; -begin - select * from test_01 into x, y; -- should be ok - raise notice 'ok'; - select * from test_01 into x; -- should to fail -end; -$$; -NOTICE: ok -ERROR: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_errors is active. -HINT: Make sure the query returns the exact list of columns. -CONTEXT: PL/pgSQL function inline_code_block line 8 at SQL statement -do $$ -declare - t test_01; -begin - select 1, 2 into t; -- should be ok - raise notice 'ok'; - select 1, 2, 3 into t; -- should fail; -end; -$$; -NOTICE: ok -ERROR: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_errors is active. -HINT: Make sure the query returns the exact list of columns. -CONTEXT: PL/pgSQL function inline_code_block line 7 at SQL statement -do $$ -declare - t test_01; -begin - select 1 into t; -- should fail; -end; -$$; -ERROR: number of source and target fields in assignment does not match -DETAIL: strict_multi_assignment check of extra_errors is active. -HINT: Make sure the query returns the exact list of columns. -CONTEXT: PL/pgSQL function inline_code_block line 5 at SQL statement -drop table test_01; -reset plpgsql.extra_errors; -reset plpgsql.extra_warnings; --- test scrollable cursor support -create function sc_test() returns setof integer as $$ -declare - c scroll cursor for select f1 from int4_tbl; - x integer; -begin - open c; - fetch last from c into x; - while found loop - return next x; - fetch prior from c into x; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test -------------- - -2147483647 - 2147483647 - -123456 - 123456 - 0 -(5 rows) - -create or replace function sc_test() returns setof integer as $$ -declare - c no scroll cursor for select f1 from int4_tbl; - x integer; -begin - open c; - fetch last from c into x; - while found loop - return next x; - fetch prior from c into x; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); -- fails because of NO SCROLL specification -ERROR: cursor can only scan forward -HINT: Declare it with SCROLL option to enable backward scan. -CONTEXT: PL/pgSQL function sc_test() line 7 at FETCH -create or replace function sc_test() returns setof integer as $$ -declare - c refcursor; - x integer; -begin - open c scroll for select f1 from int4_tbl; - fetch last from c into x; - while found loop - return next x; - fetch prior from c into x; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test -------------- - -2147483647 - 2147483647 - -123456 - 123456 - 0 -(5 rows) - -create or replace function sc_test() returns setof integer as $$ -declare - c refcursor; - x integer; -begin - open c scroll for execute 'select f1 from int4_tbl'; - fetch last from c into x; - while found loop - return next x; - fetch relative -2 from c into x; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test -------------- - -2147483647 - -123456 - 0 -(3 rows) - -create or replace function sc_test() returns setof integer as $$ -declare - c refcursor; - x integer; -begin - open c scroll for execute 'select f1 from int4_tbl'; - fetch last from c into x; - while found loop - return next x; - move backward 2 from c; - fetch relative -1 from c into x; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test -------------- - -2147483647 - 123456 -(2 rows) - -create or replace function sc_test() returns setof integer as $$ -declare - c cursor for select * from generate_series(1, 10); - x integer; -begin - open c; - loop - move relative 2 in c; - if not found then - exit; - end if; - fetch next from c into x; - if found then - return next x; - end if; - end loop; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test ---------- - 3 - 6 - 9 -(3 rows) - -create or replace function sc_test() returns setof integer as $$ -declare - c cursor for select * from generate_series(1, 10); - x integer; -begin - open c; - move forward all in c; - fetch backward from c into x; - if found then - return next x; - end if; - close c; -end; -$$ language plpgsql; -select * from sc_test(); - sc_test ---------- - 10 -(1 row) - -drop function sc_test(); --- test qualified variable names -create function pl_qual_names (param1 int) returns void as $$ -<> -declare - param1 int := 1; -begin - <> - declare - param1 int := 2; - begin - raise notice 'param1 = %', param1; - raise notice 'pl_qual_names.param1 = %', pl_qual_names.param1; - raise notice 'outerblock.param1 = %', outerblock.param1; - raise notice 'innerblock.param1 = %', innerblock.param1; - end; -end; -$$ language plpgsql; -select pl_qual_names(42); -NOTICE: param1 = 2 -NOTICE: pl_qual_names.param1 = 42 -NOTICE: outerblock.param1 = 1 -NOTICE: innerblock.param1 = 2 - pl_qual_names ---------------- - -(1 row) - -drop function pl_qual_names(int); --- tests for RETURN QUERY -create function ret_query1(out int, out int) returns setof record as $$ -begin - $1 := -1; - $2 := -2; - return next; - return query select x + 1, x * 10 from generate_series(0, 10) s (x); - return next; -end; -$$ language plpgsql; -select * from ret_query1(); - column1 | column2 ----------+--------- - -1 | -2 - 1 | 0 - 2 | 10 - 3 | 20 - 4 | 30 - 5 | 40 - 6 | 50 - 7 | 60 - 8 | 70 - 9 | 80 - 10 | 90 - 11 | 100 - -1 | -2 -(13 rows) - -create type record_type as (x text, y int, z boolean); -create or replace function ret_query2(lim int) returns setof record_type as $$ -begin - return query select fipshash(s.x::text), s.x, s.x > 0 - from generate_series(-8, lim) s (x) where s.x % 2 = 0; -end; -$$ language plpgsql; -select * from ret_query2(8); - x | y | z -----------------------------------+----+--- - e91592205d3881e3ea35d66973bb4898 | -8 | f - 03b26944890929ff751653acb2f2af79 | -6 | f - e5e0093f285a4fb94c3fcc2ad7fd04ed | -4 | f - cf3bae39dd692048a8bf961182e6a34d | -2 | f - 5feceb66ffc86f38d952786c6d696c79 | 0 | f - d4735e3a265e16eee03f59718b9b5d03 | 2 | t - 4b227777d4dd1fc61c6f884f48641d02 | 4 | t - e7f6c011776e8db7cd330b54174fd76f | 6 | t - 2c624232cdd221771294dfbb310aca00 | 8 | t -(9 rows) - --- test EXECUTE USING -create function exc_using(int, text) returns int as $$ -declare i int; -begin - for i in execute 'select * from generate_series(1,$1)' using $1+1 loop - raise notice '%', i; - end loop; - execute 'select $2 + $2*3 + length($1)' into i using $2,$1; - return i; -end -$$ language plpgsql; -select exc_using(5, 'foobar'); -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 -NOTICE: 4 -NOTICE: 5 -NOTICE: 6 - exc_using ------------ - 26 -(1 row) - -drop function exc_using(int, text); -create or replace function exc_using(int) returns void as $$ -declare - c refcursor; - i int; -begin - open c for execute 'select * from generate_series(1,$1)' using $1+1; - loop - fetch c into i; - exit when not found; - raise notice '%', i; - end loop; - close c; - return; -end; -$$ language plpgsql; -select exc_using(5); -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 -NOTICE: 4 -NOTICE: 5 -NOTICE: 6 - exc_using ------------ - -(1 row) - -drop function exc_using(int); --- test FOR-over-cursor -create or replace function forc01() returns void as $$ -declare - c cursor(r1 integer, r2 integer) - for select * from generate_series(r1,r2) i; - c2 cursor - for select * from generate_series(41,43) i; -begin - -- assign portal names to cursors to get stable output - c := 'c'; - c2 := 'c2'; - for r in c(5,7) loop - raise notice '% from %', r.i, c; - end loop; - -- again, to test if cursor was closed properly - -- (and while we're at it, test named-parameter notation) - for r in c(r2 := 10, r1 => 9) loop - raise notice '% from %', r.i, c; - end loop; - -- and test a parameterless cursor - for r in c2 loop - raise notice '% from %', r.i, c2; - end loop; - -- and try it with a hand-assigned name - raise notice 'after loop, c2 = %', c2; - c2 := 'special_name'; - for r in c2 loop - raise notice '% from %', r.i, c2; - end loop; - raise notice 'after loop, c2 = %', c2; - -- and try it with a generated name - -- (which we can't show in the output because it's variable) - c2 := null; - for r in c2 loop - raise notice '%', r.i; - end loop; - raise notice 'after loop, c2 = %', c2; - return; -end; -$$ language plpgsql; -select forc01(); -NOTICE: 5 from c -NOTICE: 6 from c -NOTICE: 7 from c -NOTICE: 9 from c -NOTICE: 10 from c -NOTICE: 41 from c2 -NOTICE: 42 from c2 -NOTICE: 43 from c2 -NOTICE: after loop, c2 = c2 -NOTICE: 41 from special_name -NOTICE: 42 from special_name -NOTICE: 43 from special_name -NOTICE: after loop, c2 = special_name -NOTICE: 41 -NOTICE: 42 -NOTICE: 43 -NOTICE: after loop, c2 = - forc01 --------- - -(1 row) - --- try updating the cursor's current row -create temp table forc_test as - select n as i, n as j from generate_series(1,10) n; -create or replace function forc01() returns void as $$ -declare - c cursor for select * from forc_test; -begin - for r in c loop - raise notice '%, %', r.i, r.j; - update forc_test set i = i * 100, j = r.j * 2 where current of c; - end loop; -end; -$$ language plpgsql; -select forc01(); -NOTICE: 1, 1 -NOTICE: 2, 2 -NOTICE: 3, 3 -NOTICE: 4, 4 -NOTICE: 5, 5 -NOTICE: 6, 6 -NOTICE: 7, 7 -NOTICE: 8, 8 -NOTICE: 9, 9 -NOTICE: 10, 10 - forc01 --------- - -(1 row) - -select * from forc_test; - i | j -------+---- - 100 | 2 - 200 | 4 - 300 | 6 - 400 | 8 - 500 | 10 - 600 | 12 - 700 | 14 - 800 | 16 - 900 | 18 - 1000 | 20 -(10 rows) - --- same, with a cursor whose portal name doesn't match variable name -create or replace function forc01() returns void as $$ -declare - c refcursor := 'fooled_ya'; - r record; -begin - open c for select * from forc_test; - loop - fetch c into r; - exit when not found; - raise notice '%, %', r.i, r.j; - update forc_test set i = i * 100, j = r.j * 2 where current of c; - end loop; -end; -$$ language plpgsql; -select forc01(); -NOTICE: 100, 2 -NOTICE: 200, 4 -NOTICE: 300, 6 -NOTICE: 400, 8 -NOTICE: 500, 10 -NOTICE: 600, 12 -NOTICE: 700, 14 -NOTICE: 800, 16 -NOTICE: 900, 18 -NOTICE: 1000, 20 - forc01 --------- - -(1 row) - -select * from forc_test; - i | j ---------+---- - 10000 | 4 - 20000 | 8 - 30000 | 12 - 40000 | 16 - 50000 | 20 - 60000 | 24 - 70000 | 28 - 80000 | 32 - 90000 | 36 - 100000 | 40 -(10 rows) - -drop function forc01(); --- it's okay to re-use a cursor variable name, even when bound -do $$ -declare cnt int := 0; - c1 cursor for select * from forc_test; -begin - for r1 in c1 loop - declare c1 cursor for select * from forc_test; - begin - for r2 in c1 loop - cnt := cnt + 1; - end loop; - end; - end loop; - raise notice 'cnt = %', cnt; -end $$; -NOTICE: cnt = 100 --- fail because cursor has no query bound to it -create or replace function forc_bad() returns void as $$ -declare - c refcursor; -begin - for r in c loop - raise notice '%', r.i; - end loop; -end; -$$ language plpgsql; -ERROR: cursor FOR loop must use a bound cursor variable -LINE 5: for r in c loop - ^ --- test RETURN QUERY EXECUTE -create or replace function return_dquery() -returns setof int as $$ -begin - return query execute 'select * from (values(10),(20)) f'; - return query execute 'select * from (values($1),($2)) f' using 40,50; -end; -$$ language plpgsql; -select * from return_dquery(); - return_dquery ---------------- - 10 - 20 - 40 - 50 -(4 rows) - -drop function return_dquery(); --- test RETURN QUERY with dropped columns -create table tabwithcols(a int, b int, c int, d int); -insert into tabwithcols values(10,20,30,40),(50,60,70,80); -create or replace function returnqueryf() -returns setof tabwithcols as $$ -begin - return query select * from tabwithcols; - return query execute 'select * from tabwithcols'; -end; -$$ language plpgsql; -select * from returnqueryf(); - a | b | c | d -----+----+----+---- - 10 | 20 | 30 | 40 - 50 | 60 | 70 | 80 - 10 | 20 | 30 | 40 - 50 | 60 | 70 | 80 -(4 rows) - -alter table tabwithcols drop column b; -select * from returnqueryf(); - a | c | d -----+----+---- - 10 | 30 | 40 - 50 | 70 | 80 - 10 | 30 | 40 - 50 | 70 | 80 -(4 rows) - -alter table tabwithcols drop column d; -select * from returnqueryf(); - a | c -----+---- - 10 | 30 - 50 | 70 - 10 | 30 - 50 | 70 -(4 rows) - -alter table tabwithcols add column d int; -select * from returnqueryf(); - a | c | d -----+----+--- - 10 | 30 | - 50 | 70 | - 10 | 30 | - 50 | 70 | -(4 rows) - -drop function returnqueryf(); -drop table tabwithcols; --- --- Tests for composite-type results --- -create type compostype as (x int, y varchar); --- test: use of variable of composite type in return statement -create or replace function compos() returns compostype as $$ -declare - v compostype; -begin - v := (1, 'hello'); - return v; -end; -$$ language plpgsql; -select compos(); - compos ------------ - (1,hello) -(1 row) - --- test: use of variable of record type in return statement -create or replace function compos() returns compostype as $$ -declare - v record; -begin - v := (1, 'hello'::varchar); - return v; -end; -$$ language plpgsql; -select compos(); - compos ------------ - (1,hello) -(1 row) - --- test: use of row expr in return statement -create or replace function compos() returns compostype as $$ -begin - return (1, 'hello'::varchar); -end; -$$ language plpgsql; -select compos(); - compos ------------ - (1,hello) -(1 row) - --- this does not work currently (no implicit casting) -create or replace function compos() returns compostype as $$ -begin - return (1, 'hello'); -end; -$$ language plpgsql; -select compos(); -ERROR: returned record type does not match expected record type -DETAIL: Returned type unknown does not match expected type character varying in column "y" (position 2). -CONTEXT: PL/pgSQL function compos() while casting return value to function's return type --- ... but this does -create or replace function compos() returns compostype as $$ -begin - return (1, 'hello')::compostype; -end; -$$ language plpgsql; -select compos(); - compos ------------ - (1,hello) -(1 row) - -drop function compos(); --- test: return a row expr as record. -create or replace function composrec() returns record as $$ -declare - v record; -begin - v := (1, 'hello'); - return v; -end; -$$ language plpgsql; -select composrec(); - composrec ------------ - (1,hello) -(1 row) - --- test: return row expr in return statement. -create or replace function composrec() returns record as $$ -begin - return (1, 'hello'); -end; -$$ language plpgsql; -select composrec(); - composrec ------------ - (1,hello) -(1 row) - -drop function composrec(); --- test: row expr in RETURN NEXT statement. -create or replace function compos() returns setof compostype as $$ -begin - for i in 1..3 - loop - return next (1, 'hello'::varchar); - end loop; - return next null::compostype; - return next (2, 'goodbye')::compostype; -end; -$$ language plpgsql; -select * from compos(); - x | y ----+--------- - 1 | hello - 1 | hello - 1 | hello - | - 2 | goodbye -(5 rows) - -drop function compos(); --- test: use invalid expr in return statement. -create or replace function compos() returns compostype as $$ -begin - return 1 + 1; -end; -$$ language plpgsql; -select compos(); -ERROR: cannot return non-composite value from function returning composite type -CONTEXT: PL/pgSQL function compos() line 3 at RETURN --- RETURN variable is a different code path ... -create or replace function compos() returns compostype as $$ -declare x int := 42; -begin - return x; -end; -$$ language plpgsql; -select * from compos(); -ERROR: cannot return non-composite value from function returning composite type -CONTEXT: PL/pgSQL function compos() line 4 at RETURN -drop function compos(); --- test: invalid use of composite variable in scalar-returning function -create or replace function compos() returns int as $$ -declare - v compostype; -begin - v := (1, 'hello'); - return v; -end; -$$ language plpgsql; -select compos(); -ERROR: invalid input syntax for type integer: "(1,hello)" -CONTEXT: PL/pgSQL function compos() while casting return value to function's return type --- test: invalid use of composite expression in scalar-returning function -create or replace function compos() returns int as $$ -begin - return (1, 'hello')::compostype; -end; -$$ language plpgsql; -select compos(); -ERROR: invalid input syntax for type integer: "(1,hello)" -CONTEXT: PL/pgSQL function compos() while casting return value to function's return type -drop function compos(); -drop type compostype; --- --- Tests for 8.4's new RAISE features --- -create or replace function raise_test() returns void as $$ -begin - raise notice '% % %', 1, 2, 3 - using errcode = '55001', detail = 'some detail info', hint = 'some hint'; - raise '% % %', 1, 2, 3 - using errcode = 'division_by_zero', detail = 'some detail info'; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: 1 2 3 -DETAIL: some detail info -HINT: some hint -ERROR: 1 2 3 -DETAIL: some detail info -CONTEXT: PL/pgSQL function raise_test() line 5 at RAISE --- Since we can't actually see the thrown SQLSTATE in default psql output, --- test it like this; this also tests re-RAISE -create or replace function raise_test() returns void as $$ -begin - raise 'check me' - using errcode = 'division_by_zero', detail = 'some detail info'; - exception - when others then - raise notice 'SQLSTATE: % SQLERRM: %', sqlstate, sqlerrm; - raise; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: SQLSTATE: 22012 SQLERRM: check me -ERROR: check me -DETAIL: some detail info -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise 'check me' - using errcode = '1234F', detail = 'some detail info'; - exception - when others then - raise notice 'SQLSTATE: % SQLERRM: %', sqlstate, sqlerrm; - raise; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: SQLSTATE: 1234F SQLERRM: check me -ERROR: check me -DETAIL: some detail info -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE --- SQLSTATE specification in WHEN -create or replace function raise_test() returns void as $$ -begin - raise 'check me' - using errcode = '1234F', detail = 'some detail info'; - exception - when sqlstate '1234F' then - raise notice 'SQLSTATE: % SQLERRM: %', sqlstate, sqlerrm; - raise; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: SQLSTATE: 1234F SQLERRM: check me -ERROR: check me -DETAIL: some detail info -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise division_by_zero using detail = 'some detail info'; - exception - when others then - raise notice 'SQLSTATE: % SQLERRM: %', sqlstate, sqlerrm; - raise; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: SQLSTATE: 22012 SQLERRM: division_by_zero -ERROR: division_by_zero -DETAIL: some detail info -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise division_by_zero; -end; -$$ language plpgsql; -select raise_test(); -ERROR: division_by_zero -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise sqlstate '1234F'; -end; -$$ language plpgsql; -select raise_test(); -ERROR: 1234F -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise division_by_zero using message = 'custom' || ' message'; -end; -$$ language plpgsql; -select raise_test(); -ERROR: custom message -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE -create or replace function raise_test() returns void as $$ -begin - raise using message = 'custom' || ' message', errcode = '22012'; -end; -$$ language plpgsql; -select raise_test(); -ERROR: custom message -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE --- conflict on message -create or replace function raise_test() returns void as $$ -begin - raise notice 'some message' using message = 'custom' || ' message', errcode = '22012'; -end; -$$ language plpgsql; -select raise_test(); -ERROR: RAISE option already specified: MESSAGE -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE --- conflict on errcode -create or replace function raise_test() returns void as $$ -begin - raise division_by_zero using message = 'custom' || ' message', errcode = '22012'; -end; -$$ language plpgsql; -select raise_test(); -ERROR: RAISE option already specified: ERRCODE -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE --- nothing to re-RAISE -create or replace function raise_test() returns void as $$ -begin - raise; -end; -$$ language plpgsql; -select raise_test(); -ERROR: RAISE without parameters cannot be used outside an exception handler -CONTEXT: PL/pgSQL function raise_test() line 3 at RAISE --- test access to exception data -create function zero_divide() returns int as $$ -declare v int := 0; -begin - return 10 / v; -end; -$$ language plpgsql parallel safe; -create or replace function raise_test() returns void as $$ -begin - raise exception 'custom exception' - using detail = 'some detail of custom exception', - hint = 'some hint related to custom exception'; -end; -$$ language plpgsql; -create function stacked_diagnostics_test() returns void as $$ -declare _sqlstate text; - _message text; - _context text; -begin - perform zero_divide(); -exception when others then - get stacked diagnostics - _sqlstate = returned_sqlstate, - _message = message_text, - _context = pg_exception_context; - raise notice 'sqlstate: %, message: %, context: [%]', - _sqlstate, _message, replace(_context, E'\n', ' <- '); -end; -$$ language plpgsql; -select stacked_diagnostics_test(); -NOTICE: sqlstate: 22012, message: division by zero, context: [PL/pgSQL function zero_divide() line 4 at RETURN <- SQL statement "SELECT zero_divide()" <- PL/pgSQL function stacked_diagnostics_test() line 6 at PERFORM] - stacked_diagnostics_test --------------------------- - -(1 row) - -create or replace function stacked_diagnostics_test() returns void as $$ -declare _detail text; - _hint text; - _message text; -begin - perform raise_test(); -exception when others then - get stacked diagnostics - _message = message_text, - _detail = pg_exception_detail, - _hint = pg_exception_hint; - raise notice 'message: %, detail: %, hint: %', _message, _detail, _hint; -end; -$$ language plpgsql; -select stacked_diagnostics_test(); -NOTICE: message: custom exception, detail: some detail of custom exception, hint: some hint related to custom exception - stacked_diagnostics_test --------------------------- - -(1 row) - --- fail, cannot use stacked diagnostics statement outside handler -create or replace function stacked_diagnostics_test() returns void as $$ -declare _detail text; - _hint text; - _message text; -begin - get stacked diagnostics - _message = message_text, - _detail = pg_exception_detail, - _hint = pg_exception_hint; - raise notice 'message: %, detail: %, hint: %', _message, _detail, _hint; -end; -$$ language plpgsql; -select stacked_diagnostics_test(); -ERROR: GET STACKED DIAGNOSTICS cannot be used outside an exception handler -CONTEXT: PL/pgSQL function stacked_diagnostics_test() line 6 at GET STACKED DIAGNOSTICS -drop function stacked_diagnostics_test(); --- Test that an error recovery subtransaction is parallel safe -create function error_trap_test() returns text as $$ -begin - perform zero_divide(); - return 'no error detected!'; -exception when division_by_zero then - return 'division_by_zero detected'; -end; -$$ language plpgsql parallel safe; -set debug_parallel_query to on; -explain (verbose, costs off) select error_trap_test(); - QUERY PLAN ------------------------------------ - Gather - Output: (error_trap_test()) - Workers Planned: 1 - Single Copy: true - -> Result - Output: error_trap_test() -(6 rows) - -select error_trap_test(); - error_trap_test ---------------------------- - division_by_zero detected -(1 row) - -reset debug_parallel_query; -drop function error_trap_test(); -drop function zero_divide(); --- check cases where implicit SQLSTATE variable could be confused with --- SQLSTATE as a keyword, cf bug #5524 -create or replace function raise_test() returns void as $$ -begin - perform 1/0; -exception - when sqlstate '22012' then - raise notice using message = sqlstate; - raise sqlstate '22012' using message = 'substitute message'; -end; -$$ language plpgsql; -select raise_test(); -NOTICE: 22012 -ERROR: substitute message -CONTEXT: PL/pgSQL function raise_test() line 7 at RAISE -drop function raise_test(); --- test passing column_name, constraint_name, datatype_name, table_name --- and schema_name error fields -create or replace function stacked_diagnostics_test() returns void as $$ -declare _column_name text; - _constraint_name text; - _datatype_name text; - _table_name text; - _schema_name text; -begin - raise exception using - column = '>>some column name<<', - constraint = '>>some constraint name<<', - datatype = '>>some datatype name<<', - table = '>>some table name<<', - schema = '>>some schema name<<'; -exception when others then - get stacked diagnostics - _column_name = column_name, - _constraint_name = constraint_name, - _datatype_name = pg_datatype_name, - _table_name = table_name, - _schema_name = schema_name; - raise notice 'column %, constraint %, type %, table %, schema %', - _column_name, _constraint_name, _datatype_name, _table_name, _schema_name; -end; -$$ language plpgsql; -select stacked_diagnostics_test(); -NOTICE: column >>some column name<<, constraint >>some constraint name<<, type >>some datatype name<<, table >>some table name<<, schema >>some schema name<< - stacked_diagnostics_test --------------------------- - -(1 row) - -drop function stacked_diagnostics_test(); --- test variadic functions -create or replace function vari(variadic int[]) -returns void as $$ -begin - for i in array_lower($1,1)..array_upper($1,1) loop - raise notice '%', $1[i]; - end loop; end; -$$ language plpgsql; -select vari(1,2,3,4,5); -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 -NOTICE: 4 -NOTICE: 5 - vari ------- - -(1 row) - -select vari(3,4,5); -NOTICE: 3 -NOTICE: 4 -NOTICE: 5 - vari ------- - -(1 row) - -select vari(variadic array[5,6,7]); -NOTICE: 5 -NOTICE: 6 -NOTICE: 7 - vari ------- - -(1 row) - -drop function vari(int[]); --- coercion test -create or replace function pleast(variadic numeric[]) -returns numeric as $$ -declare aux numeric = $1[array_lower($1,1)]; -begin - for i in array_lower($1,1)+1..array_upper($1,1) loop - if $1[i] < aux then aux := $1[i]; end if; - end loop; - return aux; -end; -$$ language plpgsql immutable strict; -select pleast(10,1,2,3,-16); - pleast --------- - -16 -(1 row) - -select pleast(10.2,2.2,-1.1); - pleast --------- - -1.1 -(1 row) - -select pleast(10.2,10, -20); - pleast --------- - -20 -(1 row) - -select pleast(10,20, -1.0); - pleast --------- - -1.0 -(1 row) - --- in case of conflict, non-variadic version is preferred -create or replace function pleast(numeric) -returns numeric as $$ -begin - raise notice 'non-variadic function called'; - return $1; -end; -$$ language plpgsql immutable strict; -select pleast(10); -NOTICE: non-variadic function called - pleast --------- - 10 -(1 row) - -drop function pleast(numeric[]); -drop function pleast(numeric); --- test table functions -create function tftest(int) returns table(a int, b int) as $$ -begin - return query select $1, $1+i from generate_series(1,5) g(i); -end; -$$ language plpgsql immutable strict; -select * from tftest(10); - a | b -----+---- - 10 | 11 - 10 | 12 - 10 | 13 - 10 | 14 - 10 | 15 -(5 rows) - -create or replace function tftest(a1 int) returns table(a int, b int) as $$ -begin - a := a1; b := a1 + 1; - return next; - a := a1 * 10; b := a1 * 10 + 1; - return next; -end; -$$ language plpgsql immutable strict; -select * from tftest(10); - a | b ------+----- - 10 | 11 - 100 | 101 -(2 rows) - -drop function tftest(int); -create function rttest() -returns setof int as $$ -declare rc int; -begin - return query values(10),(20); - get diagnostics rc = row_count; - raise notice '% %', found, rc; - return query select * from (values(10),(20)) f(a) where false; - get diagnostics rc = row_count; - raise notice '% %', found, rc; - return query execute 'values(10),(20)'; - get diagnostics rc = row_count; - raise notice '% %', found, rc; - return query execute 'select * from (values(10),(20)) f(a) where false'; - get diagnostics rc = row_count; - raise notice '% %', found, rc; -end; -$$ language plpgsql; -select * from rttest(); -NOTICE: t 2 -NOTICE: f 0 -NOTICE: t 2 -NOTICE: f 0 - rttest --------- - 10 - 20 - 10 - 20 -(4 rows) - --- check some error cases, too -create or replace function rttest() -returns setof int as $$ -begin - return query select 10 into no_such_table; -end; -$$ language plpgsql; -select * from rttest(); -ERROR: SELECT INTO query does not return tuples -CONTEXT: SQL statement "select 10 into no_such_table" -PL/pgSQL function rttest() line 3 at RETURN QUERY -create or replace function rttest() -returns setof int as $$ -begin - return query execute 'select 10 into no_such_table'; -end; -$$ language plpgsql; -select * from rttest(); -ERROR: SELECT INTO query does not return tuples -CONTEXT: SQL statement "select 10 into no_such_table" -PL/pgSQL function rttest() line 3 at RETURN QUERY -select * from no_such_table; -ERROR: relation "no_such_table" does not exist -LINE 1: select * from no_such_table; - ^ -drop function rttest(); --- Test for proper cleanup at subtransaction exit. This example --- exposed a bug in PG 8.2. -CREATE FUNCTION leaker_1(fail BOOL) RETURNS INTEGER AS $$ -DECLARE - v_var INTEGER; -BEGIN - BEGIN - v_var := (leaker_2(fail)).error_code; - EXCEPTION - WHEN others THEN RETURN 0; - END; - RETURN 1; -END; -$$ LANGUAGE plpgsql; -CREATE FUNCTION leaker_2(fail BOOL, OUT error_code INTEGER, OUT new_id INTEGER) - RETURNS RECORD AS $$ -BEGIN - IF fail THEN - RAISE EXCEPTION 'fail ...'; - END IF; - error_code := 1; - new_id := 1; - RETURN; -END; -$$ LANGUAGE plpgsql; -SELECT * FROM leaker_1(false); - leaker_1 ----------- - 1 -(1 row) - -SELECT * FROM leaker_1(true); - leaker_1 ----------- - 0 -(1 row) - -DROP FUNCTION leaker_1(bool); -DROP FUNCTION leaker_2(bool); --- Test for appropriate cleanup of non-simple expression evaluations --- (bug in all versions prior to August 2010) -CREATE FUNCTION nonsimple_expr_test() RETURNS text[] AS $$ -DECLARE - arr text[]; - lr text; - i integer; -BEGIN - arr := array[array['foo','bar'], array['baz', 'quux']]; - lr := 'fool'; - i := 1; - -- use sub-SELECTs to make expressions non-simple - arr[(SELECT i)][(SELECT i+1)] := (SELECT lr); - RETURN arr; -END; -$$ LANGUAGE plpgsql; -SELECT nonsimple_expr_test(); - nonsimple_expr_test -------------------------- - {{foo,fool},{baz,quux}} -(1 row) - -DROP FUNCTION nonsimple_expr_test(); -CREATE FUNCTION nonsimple_expr_test() RETURNS integer AS $$ -declare - i integer NOT NULL := 0; -begin - begin - i := (SELECT NULL::integer); -- should throw error - exception - WHEN OTHERS THEN - i := (SELECT 1::integer); - end; - return i; -end; -$$ LANGUAGE plpgsql; -SELECT nonsimple_expr_test(); - nonsimple_expr_test ---------------------- - 1 -(1 row) - -DROP FUNCTION nonsimple_expr_test(); --- --- Test cases involving recursion and error recovery in simple expressions --- (bugs in all versions before October 2010). The problems are most --- easily exposed by mutual recursion between plpgsql and sql functions. --- -create function recurse(float8) returns float8 as -$$ -begin - if ($1 > 0) then - return sql_recurse($1 - 1); - else - return $1; - end if; -end; -$$ language plpgsql; --- "limit" is to prevent this from being inlined -create function sql_recurse(float8) returns float8 as -$$ select recurse($1) limit 1; $$ language sql; -select recurse(10); - recurse ---------- - 0 -(1 row) - -create function error1(text) returns text language sql as -$$ SELECT relname::text FROM pg_class c WHERE c.oid = $1::regclass $$; -create function error2(p_name_table text) returns text language plpgsql as $$ -begin - return error1(p_name_table); -end$$; -BEGIN; -create table public.stuffs (stuff text); -SAVEPOINT a; -select error2('nonexistent.stuffs'); -ERROR: schema "nonexistent" does not exist -CONTEXT: SQL function "error1" statement 1 -PL/pgSQL function error2(text) line 3 at RETURN -ROLLBACK TO a; -select error2('public.stuffs'); - error2 --------- - stuffs -(1 row) - -rollback; -drop function error2(p_name_table text); -drop function error1(text); --- Test for proper handling of cast-expression caching -create function sql_to_date(integer) returns date as $$ -select $1::text::date -$$ language sql immutable strict; -create cast (integer as date) with function sql_to_date(integer) as assignment; -create function cast_invoker(integer) returns date as $$ -begin - return $1; -end$$ language plpgsql; -select cast_invoker(20150717); - cast_invoker --------------- - 07-17-2015 -(1 row) - -select cast_invoker(20150718); -- second call crashed in pre-release 9.5 - cast_invoker --------------- - 07-18-2015 -(1 row) - -begin; -select cast_invoker(20150717); - cast_invoker --------------- - 07-17-2015 -(1 row) - -select cast_invoker(20150718); - cast_invoker --------------- - 07-18-2015 -(1 row) - -savepoint s1; -select cast_invoker(20150718); - cast_invoker --------------- - 07-18-2015 -(1 row) - -select cast_invoker(-1); -- fails -ERROR: invalid input syntax for type date: "-1" -CONTEXT: SQL function "sql_to_date" statement 1 -PL/pgSQL function cast_invoker(integer) while casting return value to function's return type -rollback to savepoint s1; -select cast_invoker(20150719); - cast_invoker --------------- - 07-19-2015 -(1 row) - -select cast_invoker(20150720); - cast_invoker --------------- - 07-20-2015 -(1 row) - -commit; -drop function cast_invoker(integer); -drop function sql_to_date(integer) cascade; -NOTICE: drop cascades to cast from integer to date --- Test handling of cast cache inside DO blocks --- (to check the original crash case, this must be a cast not previously --- used in this session) -begin; -do $$ declare x text[]; begin x := '{1.23, 4.56}'::numeric[]; end $$; -do $$ declare x text[]; begin x := '{1.23, 4.56}'::numeric[]; end $$; -end; --- Test for consistent reporting of error context -create function fail() returns int language plpgsql as $$ -begin - return 1/0; -end -$$; -select fail(); -ERROR: division by zero -CONTEXT: PL/pgSQL expression "1/0" -PL/pgSQL function fail() line 3 at RETURN -select fail(); -ERROR: division by zero -CONTEXT: PL/pgSQL expression "1/0" -PL/pgSQL function fail() line 3 at RETURN -drop function fail(); --- Test handling of string literals. -set standard_conforming_strings = off; -create or replace function strtest() returns text as $$ -begin - raise notice 'foo\\bar\041baz'; - return 'foo\\bar\041baz'; -end -$$ language plpgsql; -WARNING: nonstandard use of \\ in a string literal -LINE 3: raise notice 'foo\\bar\041baz'; - ^ -HINT: Use the escape string syntax for backslashes, e.g., E'\\'. -WARNING: nonstandard use of \\ in a string literal -LINE 4: return 'foo\\bar\041baz'; - ^ -HINT: Use the escape string syntax for backslashes, e.g., E'\\'. -WARNING: nonstandard use of \\ in a string literal -LINE 4: return 'foo\\bar\041baz'; - ^ -HINT: Use the escape string syntax for backslashes, e.g., E'\\'. -select strtest(); -NOTICE: foo\bar!baz -WARNING: nonstandard use of \\ in a string literal -LINE 1: 'foo\\bar\041baz' - ^ -HINT: Use the escape string syntax for backslashes, e.g., E'\\'. -QUERY: 'foo\\bar\041baz' - strtest -------------- - foo\bar!baz -(1 row) - -create or replace function strtest() returns text as $$ -begin - raise notice E'foo\\bar\041baz'; - return E'foo\\bar\041baz'; -end -$$ language plpgsql; -select strtest(); -NOTICE: foo\bar!baz - strtest -------------- - foo\bar!baz -(1 row) - -set standard_conforming_strings = on; -create or replace function strtest() returns text as $$ -begin - raise notice 'foo\\bar\041baz\'; - return 'foo\\bar\041baz\'; -end -$$ language plpgsql; -select strtest(); -NOTICE: foo\\bar\041baz\ - strtest ------------------- - foo\\bar\041baz\ -(1 row) - -create or replace function strtest() returns text as $$ -begin - raise notice E'foo\\bar\041baz'; - return E'foo\\bar\041baz'; -end -$$ language plpgsql; -select strtest(); -NOTICE: foo\bar!baz - strtest -------------- - foo\bar!baz -(1 row) - -drop function strtest(); --- Test anonymous code blocks. -DO $$ -DECLARE r record; -BEGIN - FOR r IN SELECT rtrim(roomno) AS roomno, comment FROM Room ORDER BY roomno - LOOP - RAISE NOTICE '%, %', r.roomno, r.comment; - END LOOP; -END$$; -NOTICE: 001, Entrance -NOTICE: 002, Office -NOTICE: 003, Office -NOTICE: 004, Technical -NOTICE: 101, Office -NOTICE: 102, Conference -NOTICE: 103, Restroom -NOTICE: 104, Technical -NOTICE: 105, Office -NOTICE: 106, Office --- these are to check syntax error reporting -DO LANGUAGE plpgsql $$begin return 1; end$$; -ERROR: RETURN cannot have a parameter in function returning void -LINE 1: DO LANGUAGE plpgsql $$begin return 1; end$$; - ^ -DO $$ -DECLARE r record; -BEGIN - FOR r IN SELECT rtrim(roomno) AS roomno, foo FROM Room ORDER BY roomno - LOOP - RAISE NOTICE '%, %', r.roomno, r.comment; - END LOOP; -END$$; -ERROR: column "foo" does not exist -LINE 1: SELECT rtrim(roomno) AS roomno, foo FROM Room ORDER BY roomn... - ^ -QUERY: SELECT rtrim(roomno) AS roomno, foo FROM Room ORDER BY roomno -CONTEXT: PL/pgSQL function inline_code_block line 4 at FOR over SELECT rows --- Check handling of errors thrown from/into anonymous code blocks. -do $outer$ -begin - for i in 1..10 loop - begin - execute $ex$ - do $$ - declare x int = 0; - begin - x := 1 / x; - end; - $$; - $ex$; - exception when division_by_zero then - raise notice 'caught division by zero'; - end; - end loop; -end; -$outer$; -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero -NOTICE: caught division by zero --- Check variable scoping -- a var is not available in its own or prior --- default expressions, but it is available in later ones. -do $$ -declare x int := x + 1; -- error -begin - raise notice 'x = %', x; -end; -$$; -ERROR: column "x" does not exist -LINE 1: x + 1 - ^ -QUERY: x + 1 -CONTEXT: PL/pgSQL function inline_code_block line 2 during statement block local variable initialization -do $$ -declare y int := x + 1; -- error - x int := 42; -begin - raise notice 'x = %, y = %', x, y; -end; -$$; -ERROR: column "x" does not exist -LINE 1: x + 1 - ^ -QUERY: x + 1 -CONTEXT: PL/pgSQL function inline_code_block line 2 during statement block local variable initialization -do $$ -declare x int := 42; - y int := x + 1; -begin - raise notice 'x = %, y = %', x, y; -end; -$$; -NOTICE: x = 42, y = 43 -do $$ -declare x int := 42; -begin - declare y int := x + 1; - x int := x + 2; - z int := x * 10; - begin - raise notice 'x = %, y = %, z = %', x, y, z; - end; -end; -$$; -NOTICE: x = 44, y = 43, z = 440 --- Check handling of conflicts between plpgsql vars and table columns. -set plpgsql.variable_conflict = error; -create function conflict_test() returns setof int8_tbl as $$ -declare r record; - q1 bigint := 42; -begin - for r in select q1,q2 from int8_tbl loop - return next r; - end loop; -end; -$$ language plpgsql; -select * from conflict_test(); -ERROR: column reference "q1" is ambiguous -LINE 1: select q1,q2 from int8_tbl - ^ -DETAIL: It could refer to either a PL/pgSQL variable or a table column. -QUERY: select q1,q2 from int8_tbl -CONTEXT: PL/pgSQL function conflict_test() line 5 at FOR over SELECT rows -create or replace function conflict_test() returns setof int8_tbl as $$ -#variable_conflict use_variable -declare r record; - q1 bigint := 42; -begin - for r in select q1,q2 from int8_tbl loop - return next r; - end loop; -end; -$$ language plpgsql; -select * from conflict_test(); - q1 | q2 -----+------------------- - 42 | 456 - 42 | 4567890123456789 - 42 | 123 - 42 | 4567890123456789 - 42 | -4567890123456789 -(5 rows) - -create or replace function conflict_test() returns setof int8_tbl as $$ -#variable_conflict use_column -declare r record; - q1 bigint := 42; -begin - for r in select q1,q2 from int8_tbl loop - return next r; - end loop; -end; -$$ language plpgsql; -select * from conflict_test(); - q1 | q2 -------------------+------------------- - 123 | 456 - 123 | 4567890123456789 - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 -(5 rows) - -drop function conflict_test(); --- Check that an unreserved keyword can be used as a variable name -create function unreserved_test() returns int as $$ -declare - forward int := 21; -begin - forward := forward * 2; - return forward; -end -$$ language plpgsql; -select unreserved_test(); - unreserved_test ------------------ - 42 -(1 row) - -create or replace function unreserved_test() returns int as $$ -declare - return int := 42; -begin - return := return + 1; - return return; -end -$$ language plpgsql; -select unreserved_test(); - unreserved_test ------------------ - 43 -(1 row) - -create or replace function unreserved_test() returns int as $$ -declare - comment int := 21; -begin - comment := comment * 2; - comment on function unreserved_test() is 'this is a test'; - return comment; -end -$$ language plpgsql; -select unreserved_test(); - unreserved_test ------------------ - 42 -(1 row) - -select obj_description('unreserved_test()'::regprocedure, 'pg_proc'); - obj_description ------------------ - this is a test -(1 row) - -drop function unreserved_test(); --- --- Test FOREACH over arrays --- -create function foreach_test(anyarray) -returns void as $$ -declare x int; -begin - foreach x in array $1 - loop - raise notice '%', x; - end loop; - end; -$$ language plpgsql; -select foreach_test(ARRAY[1,2,3,4]); -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 -NOTICE: 4 - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[1,2],[3,4]]); -NOTICE: 1 -NOTICE: 2 -NOTICE: 3 -NOTICE: 4 - foreach_test --------------- - -(1 row) - -create or replace function foreach_test(anyarray) -returns void as $$ -declare x int; -begin - foreach x slice 1 in array $1 - loop - raise notice '%', x; - end loop; - end; -$$ language plpgsql; --- should fail -select foreach_test(ARRAY[1,2,3,4]); -ERROR: FOREACH ... SLICE loop variable must be of an array type -CONTEXT: PL/pgSQL function foreach_test(anyarray) line 4 at FOREACH over array -select foreach_test(ARRAY[[1,2],[3,4]]); -ERROR: FOREACH ... SLICE loop variable must be of an array type -CONTEXT: PL/pgSQL function foreach_test(anyarray) line 4 at FOREACH over array -create or replace function foreach_test(anyarray) -returns void as $$ -declare x int[]; -begin - foreach x slice 1 in array $1 - loop - raise notice '%', x; - end loop; - end; -$$ language plpgsql; -select foreach_test(ARRAY[1,2,3,4]); -NOTICE: {1,2,3,4} - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[1,2],[3,4]]); -NOTICE: {1,2} -NOTICE: {3,4} - foreach_test --------------- - -(1 row) - --- higher level of slicing -create or replace function foreach_test(anyarray) -returns void as $$ -declare x int[]; -begin - foreach x slice 2 in array $1 - loop - raise notice '%', x; - end loop; - end; -$$ language plpgsql; --- should fail -select foreach_test(ARRAY[1,2,3,4]); -ERROR: slice dimension (2) is out of the valid range 0..1 -CONTEXT: PL/pgSQL function foreach_test(anyarray) line 4 at FOREACH over array --- ok -select foreach_test(ARRAY[[1,2],[3,4]]); -NOTICE: {{1,2},{3,4}} - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[[1,2]],[[3,4]]]); -NOTICE: {{1,2}} -NOTICE: {{3,4}} - foreach_test --------------- - -(1 row) - -create type xy_tuple AS (x int, y int); --- iteration over array of records -create or replace function foreach_test(anyarray) -returns void as $$ -declare r record; -begin - foreach r in array $1 - loop - raise notice '%', r; - end loop; - end; -$$ language plpgsql; -select foreach_test(ARRAY[(10,20),(40,69),(35,78)]::xy_tuple[]); -NOTICE: (10,20) -NOTICE: (40,69) -NOTICE: (35,78) - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[(10,20),(40,69)],[(35,78),(88,76)]]::xy_tuple[]); -NOTICE: (10,20) -NOTICE: (40,69) -NOTICE: (35,78) -NOTICE: (88,76) - foreach_test --------------- - -(1 row) - -create or replace function foreach_test(anyarray) -returns void as $$ -declare x int; y int; -begin - foreach x, y in array $1 - loop - raise notice 'x = %, y = %', x, y; - end loop; - end; -$$ language plpgsql; -select foreach_test(ARRAY[(10,20),(40,69),(35,78)]::xy_tuple[]); -NOTICE: x = 10, y = 20 -NOTICE: x = 40, y = 69 -NOTICE: x = 35, y = 78 - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[(10,20),(40,69)],[(35,78),(88,76)]]::xy_tuple[]); -NOTICE: x = 10, y = 20 -NOTICE: x = 40, y = 69 -NOTICE: x = 35, y = 78 -NOTICE: x = 88, y = 76 - foreach_test --------------- - -(1 row) - --- slicing over array of composite types -create or replace function foreach_test(anyarray) -returns void as $$ -declare x xy_tuple[]; -begin - foreach x slice 1 in array $1 - loop - raise notice '%', x; - end loop; - end; -$$ language plpgsql; -select foreach_test(ARRAY[(10,20),(40,69),(35,78)]::xy_tuple[]); -NOTICE: {"(10,20)","(40,69)","(35,78)"} - foreach_test --------------- - -(1 row) - -select foreach_test(ARRAY[[(10,20),(40,69)],[(35,78),(88,76)]]::xy_tuple[]); -NOTICE: {"(10,20)","(40,69)"} -NOTICE: {"(35,78)","(88,76)"} - foreach_test --------------- - -(1 row) - -drop function foreach_test(anyarray); -drop type xy_tuple; --- --- Assorted tests for array subscript assignment --- -create temp table rtype (id int, ar text[]); -create function arrayassign1() returns text[] language plpgsql as $$ -declare - r record; -begin - r := row(12, '{foo,bar,baz}')::rtype; - r.ar[2] := 'replace'; - return r.ar; -end$$; -select arrayassign1(); - arrayassign1 -------------------- - {foo,replace,baz} -(1 row) - -select arrayassign1(); -- try again to exercise internal caching - arrayassign1 -------------------- - {foo,replace,baz} -(1 row) - -create domain orderedarray as int[2] - constraint sorted check (value[1] < value[2]); -select '{1,2}'::orderedarray; - orderedarray --------------- - {1,2} -(1 row) - -select '{2,1}'::orderedarray; -- fail -ERROR: value for domain orderedarray violates check constraint "sorted" -create function testoa(x1 int, x2 int, x3 int) returns orderedarray -language plpgsql as $$ -declare res orderedarray; -begin - res := array[x1, x2]; - res[2] := x3; - return res; -end$$; -select testoa(1,2,3); - testoa --------- - {1,3} -(1 row) - -select testoa(1,2,3); -- try again to exercise internal caching - testoa --------- - {1,3} -(1 row) - -select testoa(2,1,3); -- fail at initial assign -ERROR: value for domain orderedarray violates check constraint "sorted" -CONTEXT: PL/pgSQL function testoa(integer,integer,integer) line 4 at assignment -select testoa(1,2,1); -- fail at update -ERROR: value for domain orderedarray violates check constraint "sorted" -CONTEXT: PL/pgSQL function testoa(integer,integer,integer) line 5 at assignment -drop function arrayassign1(); -drop function testoa(x1 int, x2 int, x3 int); --- --- Test handling of expanded arrays --- -create function returns_rw_array(int) returns int[] -language plpgsql as $$ - declare r int[]; - begin r := array[$1, $1]; return r; end; -$$ stable; -create function consumes_rw_array(int[]) returns int -language plpgsql as $$ - begin return $1[1]; end; -$$ stable; -select consumes_rw_array(returns_rw_array(42)); - consumes_rw_array -------------------- - 42 -(1 row) - --- bug #14174 -explain (verbose, costs off) -select i, a from - (select returns_rw_array(1) as a offset 0) ss, - lateral consumes_rw_array(a) i; - QUERY PLAN ------------------------------------------------------------------ - Nested Loop - Output: i.i, (returns_rw_array(1)) - -> Result - Output: returns_rw_array(1) - -> Function Scan on public.consumes_rw_array i - Output: i.i - Function Call: consumes_rw_array((returns_rw_array(1))) -(7 rows) - -select i, a from - (select returns_rw_array(1) as a offset 0) ss, - lateral consumes_rw_array(a) i; - i | a ----+------- - 1 | {1,1} -(1 row) - -explain (verbose, costs off) -select consumes_rw_array(a), a from returns_rw_array(1) a; - QUERY PLAN --------------------------------------------- - Function Scan on public.returns_rw_array a - Output: consumes_rw_array(a), a - Function Call: returns_rw_array(1) -(3 rows) - -select consumes_rw_array(a), a from returns_rw_array(1) a; - consumes_rw_array | a --------------------+------- - 1 | {1,1} -(1 row) - -explain (verbose, costs off) -select consumes_rw_array(a), a from - (values (returns_rw_array(1)), (returns_rw_array(2))) v(a); - QUERY PLAN ---------------------------------------------------------------------- - Values Scan on "*VALUES*" - Output: consumes_rw_array("*VALUES*".column1), "*VALUES*".column1 -(2 rows) - -select consumes_rw_array(a), a from - (values (returns_rw_array(1)), (returns_rw_array(2))) v(a); - consumes_rw_array | a --------------------+------- - 1 | {1,1} - 2 | {2,2} -(2 rows) - -do $$ -declare a int[] := array[1,2]; -begin - a := a || 3; - raise notice 'a = %', a; -end$$; -NOTICE: a = {1,2,3} --- --- Test access to call stack --- -create function inner_func(int) -returns int as $$ -declare _context text; -begin - get diagnostics _context = pg_context; - raise notice '***%***', _context; - -- lets do it again, just for fun.. - get diagnostics _context = pg_context; - raise notice '***%***', _context; - raise notice 'lets make sure we didnt break anything'; - return 2 * $1; -end; -$$ language plpgsql; -create or replace function outer_func(int) -returns int as $$ -declare - myresult int; -begin - raise notice 'calling down into inner_func()'; - myresult := inner_func($1); - raise notice 'inner_func() done'; - return myresult; -end; -$$ language plpgsql; -create or replace function outer_outer_func(int) -returns int as $$ -declare - myresult int; -begin - raise notice 'calling down into outer_func()'; - myresult := outer_func($1); - raise notice 'outer_func() done'; - return myresult; -end; -$$ language plpgsql; -select outer_outer_func(10); -NOTICE: calling down into outer_func() -NOTICE: calling down into inner_func() -NOTICE: ***PL/pgSQL function inner_func(integer) line 4 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: ***PL/pgSQL function inner_func(integer) line 7 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: lets make sure we didnt break anything -NOTICE: inner_func() done -NOTICE: outer_func() done - outer_outer_func ------------------- - 20 -(1 row) - --- repeated call should work -select outer_outer_func(20); -NOTICE: calling down into outer_func() -NOTICE: calling down into inner_func() -NOTICE: ***PL/pgSQL function inner_func(integer) line 4 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: ***PL/pgSQL function inner_func(integer) line 7 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: lets make sure we didnt break anything -NOTICE: inner_func() done -NOTICE: outer_func() done - outer_outer_func ------------------- - 40 -(1 row) - -drop function outer_outer_func(int); -drop function outer_func(int); -drop function inner_func(int); --- access to call stack from exception -create function inner_func(int) -returns int as $$ -declare - _context text; - sx int := 5; -begin - begin - perform sx / 0; - exception - when division_by_zero then - get diagnostics _context = pg_context; - raise notice '***%***', _context; - end; - - -- lets do it again, just for fun.. - get diagnostics _context = pg_context; - raise notice '***%***', _context; - raise notice 'lets make sure we didnt break anything'; - return 2 * $1; -end; -$$ language plpgsql; -create or replace function outer_func(int) -returns int as $$ -declare - myresult int; -begin - raise notice 'calling down into inner_func()'; - myresult := inner_func($1); - raise notice 'inner_func() done'; - return myresult; -end; -$$ language plpgsql; -create or replace function outer_outer_func(int) -returns int as $$ -declare - myresult int; -begin - raise notice 'calling down into outer_func()'; - myresult := outer_func($1); - raise notice 'outer_func() done'; - return myresult; -end; -$$ language plpgsql; -select outer_outer_func(10); -NOTICE: calling down into outer_func() -NOTICE: calling down into inner_func() -NOTICE: ***PL/pgSQL function inner_func(integer) line 10 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: ***PL/pgSQL function inner_func(integer) line 15 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: lets make sure we didnt break anything -NOTICE: inner_func() done -NOTICE: outer_func() done - outer_outer_func ------------------- - 20 -(1 row) - --- repeated call should work -select outer_outer_func(20); -NOTICE: calling down into outer_func() -NOTICE: calling down into inner_func() -NOTICE: ***PL/pgSQL function inner_func(integer) line 10 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: ***PL/pgSQL function inner_func(integer) line 15 at GET DIAGNOSTICS -PL/pgSQL function outer_func(integer) line 6 at assignment -PL/pgSQL function outer_outer_func(integer) line 6 at assignment*** -NOTICE: lets make sure we didnt break anything -NOTICE: inner_func() done -NOTICE: outer_func() done - outer_outer_func ------------------- - 40 -(1 row) - -drop function outer_outer_func(int); -drop function outer_func(int); -drop function inner_func(int); --- Test pg_routine_oid -create function current_function(text) -returns regprocedure as $$ -declare - fn_oid regprocedure; -begin - get diagnostics fn_oid = pg_routine_oid; - return fn_oid; -end; -$$ language plpgsql; -select current_function('foo'); - current_function ------------------------- - current_function(text) -(1 row) - -drop function current_function(text); --- shouldn't fail in DO, even though there's no useful data -do $$ -declare - fn_oid oid; -begin - get diagnostics fn_oid = pg_routine_oid; - raise notice 'pg_routine_oid = %', fn_oid; -end; -$$; -NOTICE: pg_routine_oid = 0 --- --- Test ASSERT --- -do $$ -begin - assert 1=1; -- should succeed -end; -$$; -do $$ -begin - assert 1=0; -- should fail -end; -$$; -ERROR: assertion failed -CONTEXT: PL/pgSQL function inline_code_block line 3 at ASSERT -do $$ -begin - assert NULL; -- should fail -end; -$$; -ERROR: assertion failed -CONTEXT: PL/pgSQL function inline_code_block line 3 at ASSERT --- check controlling GUC -set plpgsql.check_asserts = off; -do $$ -begin - assert 1=0; -- won't be tested -end; -$$; -reset plpgsql.check_asserts; --- test custom message -do $$ -declare var text := 'some value'; -begin - assert 1=0, format('assertion failed, var = "%s"', var); -end; -$$; -ERROR: assertion failed, var = "some value" -CONTEXT: PL/pgSQL function inline_code_block line 4 at ASSERT --- ensure assertions are not trapped by 'others' -do $$ -begin - assert 1=0, 'unhandled assertion'; -exception when others then - null; -- do nothing -end; -$$; -ERROR: unhandled assertion -CONTEXT: PL/pgSQL function inline_code_block line 3 at ASSERT --- Test use of plpgsql in a domain check constraint (cf. bug #14414) -create function plpgsql_domain_check(val int) returns boolean as $$ -begin return val > 0; end -$$ language plpgsql immutable; -create domain plpgsql_domain as integer check(plpgsql_domain_check(value)); -do $$ -declare v_test plpgsql_domain; -begin - v_test := 1; -end; -$$; -do $$ -declare v_test plpgsql_domain := 1; -begin - v_test := 0; -- fail -end; -$$; -ERROR: value for domain plpgsql_domain violates check constraint "plpgsql_domain_check" -CONTEXT: PL/pgSQL function inline_code_block line 4 at assignment --- Test handling of expanded array passed to a domain constraint (bug #14472) -create function plpgsql_arr_domain_check(val int[]) returns boolean as $$ -begin return val[1] > 0; end -$$ language plpgsql immutable; -create domain plpgsql_arr_domain as int[] check(plpgsql_arr_domain_check(value)); -do $$ -declare v_test plpgsql_arr_domain; -begin - v_test := array[1]; - v_test := v_test || 2; -end; -$$; -do $$ -declare v_test plpgsql_arr_domain := array[1]; -begin - v_test := 0 || v_test; -- fail -end; -$$; -ERROR: value for domain plpgsql_arr_domain violates check constraint "plpgsql_arr_domain_check" -CONTEXT: PL/pgSQL function inline_code_block line 4 at assignment --- --- test usage of transition tables in AFTER triggers --- -CREATE TABLE transition_table_base (id int PRIMARY KEY, val text); -CREATE FUNCTION transition_table_base_ins_func() - RETURNS trigger - LANGUAGE plpgsql -AS $$ -DECLARE - t text; - l text; -BEGIN - t = ''; - FOR l IN EXECUTE - $q$ - EXPLAIN (TIMING off, COSTS off, VERBOSE on) - SELECT * FROM newtable - $q$ LOOP - t = t || l || E'\n'; - END LOOP; - - RAISE INFO '%', t; - RETURN new; -END; -$$; -CREATE TRIGGER transition_table_base_ins_trig - AFTER INSERT ON transition_table_base - REFERENCING OLD TABLE AS oldtable NEW TABLE AS newtable - FOR EACH STATEMENT - EXECUTE PROCEDURE transition_table_base_ins_func(); -ERROR: OLD TABLE can only be specified for a DELETE or UPDATE trigger -CREATE TRIGGER transition_table_base_ins_trig - AFTER INSERT ON transition_table_base - REFERENCING NEW TABLE AS newtable - FOR EACH STATEMENT - EXECUTE PROCEDURE transition_table_base_ins_func(); -INSERT INTO transition_table_base VALUES (1, 'One'), (2, 'Two'); -INFO: Named Tuplestore Scan - Output: id, val - -INSERT INTO transition_table_base VALUES (3, 'Three'), (4, 'Four'); -INFO: Named Tuplestore Scan - Output: id, val - -CREATE OR REPLACE FUNCTION transition_table_base_upd_func() - RETURNS trigger - LANGUAGE plpgsql -AS $$ -DECLARE - t text; - l text; -BEGIN - t = ''; - FOR l IN EXECUTE - $q$ - EXPLAIN (TIMING off, COSTS off, VERBOSE on) - SELECT * FROM oldtable ot FULL JOIN newtable nt USING (id) - $q$ LOOP - t = t || l || E'\n'; - END LOOP; - - RAISE INFO '%', t; - RETURN new; -END; -$$; -CREATE TRIGGER transition_table_base_upd_trig - AFTER UPDATE ON transition_table_base - REFERENCING OLD TABLE AS oldtable NEW TABLE AS newtable - FOR EACH STATEMENT - EXECUTE PROCEDURE transition_table_base_upd_func(); -UPDATE transition_table_base - SET val = '*' || val || '*' - WHERE id BETWEEN 2 AND 3; -INFO: Hash Full Join - Output: COALESCE(ot.id, nt.id), ot.val, nt.val - Hash Cond: (ot.id = nt.id) - -> Named Tuplestore Scan - Output: ot.id, ot.val - -> Hash - Output: nt.id, nt.val - -> Named Tuplestore Scan - Output: nt.id, nt.val - -CREATE TABLE transition_table_level1 -( - level1_no serial NOT NULL , - level1_node_name varchar(255), - PRIMARY KEY (level1_no) -) WITHOUT OIDS; -CREATE TABLE transition_table_level2 -( - level2_no serial NOT NULL , - parent_no int NOT NULL, - level1_node_name varchar(255), - PRIMARY KEY (level2_no) -) WITHOUT OIDS; -CREATE TABLE transition_table_status -( - level int NOT NULL, - node_no int NOT NULL, - status int, - PRIMARY KEY (level, node_no) -) WITHOUT OIDS; -CREATE FUNCTION transition_table_level1_ri_parent_del_func() - RETURNS TRIGGER - LANGUAGE plpgsql -AS $$ - DECLARE n bigint; - BEGIN - PERFORM FROM p JOIN transition_table_level2 c ON c.parent_no = p.level1_no; - IF FOUND THEN - RAISE EXCEPTION 'RI error'; - END IF; - RETURN NULL; - END; -$$; -CREATE TRIGGER transition_table_level1_ri_parent_del_trigger - AFTER DELETE ON transition_table_level1 - REFERENCING OLD TABLE AS p - FOR EACH STATEMENT EXECUTE PROCEDURE - transition_table_level1_ri_parent_del_func(); -CREATE FUNCTION transition_table_level1_ri_parent_upd_func() - RETURNS TRIGGER - LANGUAGE plpgsql -AS $$ - DECLARE - x int; - BEGIN - WITH p AS (SELECT level1_no, sum(delta) cnt - FROM (SELECT level1_no, 1 AS delta FROM i - UNION ALL - SELECT level1_no, -1 AS delta FROM d) w - GROUP BY level1_no - HAVING sum(delta) < 0) - SELECT level1_no - FROM p JOIN transition_table_level2 c ON c.parent_no = p.level1_no - INTO x; - IF FOUND THEN - RAISE EXCEPTION 'RI error'; - END IF; - RETURN NULL; - END; -$$; -CREATE TRIGGER transition_table_level1_ri_parent_upd_trigger - AFTER UPDATE ON transition_table_level1 - REFERENCING OLD TABLE AS d NEW TABLE AS i - FOR EACH STATEMENT EXECUTE PROCEDURE - transition_table_level1_ri_parent_upd_func(); -CREATE FUNCTION transition_table_level2_ri_child_insupd_func() - RETURNS TRIGGER - LANGUAGE plpgsql -AS $$ - BEGIN - PERFORM FROM i - LEFT JOIN transition_table_level1 p - ON p.level1_no IS NOT NULL AND p.level1_no = i.parent_no - WHERE p.level1_no IS NULL; - IF FOUND THEN - RAISE EXCEPTION 'RI error'; - END IF; - RETURN NULL; - END; -$$; -CREATE TRIGGER transition_table_level2_ri_child_ins_trigger - AFTER INSERT ON transition_table_level2 - REFERENCING NEW TABLE AS i - FOR EACH STATEMENT EXECUTE PROCEDURE - transition_table_level2_ri_child_insupd_func(); -CREATE TRIGGER transition_table_level2_ri_child_upd_trigger - AFTER UPDATE ON transition_table_level2 - REFERENCING NEW TABLE AS i - FOR EACH STATEMENT EXECUTE PROCEDURE - transition_table_level2_ri_child_insupd_func(); --- create initial test data -INSERT INTO transition_table_level1 (level1_no) - SELECT generate_series(1,200); -ANALYZE transition_table_level1; -INSERT INTO transition_table_level2 (level2_no, parent_no) - SELECT level2_no, level2_no / 50 + 1 AS parent_no - FROM generate_series(1,9999) level2_no; -ANALYZE transition_table_level2; -INSERT INTO transition_table_status (level, node_no, status) - SELECT 1, level1_no, 0 FROM transition_table_level1; -INSERT INTO transition_table_status (level, node_no, status) - SELECT 2, level2_no, 0 FROM transition_table_level2; -ANALYZE transition_table_status; -INSERT INTO transition_table_level1(level1_no) - SELECT generate_series(201,1000); -ANALYZE transition_table_level1; --- behave reasonably if someone tries to modify a transition table -CREATE FUNCTION transition_table_level2_bad_usage_func() - RETURNS TRIGGER - LANGUAGE plpgsql -AS $$ - BEGIN - INSERT INTO dx VALUES (1000000, 1000000, 'x'); - RETURN NULL; - END; -$$; -CREATE TRIGGER transition_table_level2_bad_usage_trigger - AFTER DELETE ON transition_table_level2 - REFERENCING OLD TABLE AS dx - FOR EACH STATEMENT EXECUTE PROCEDURE - transition_table_level2_bad_usage_func(); -DELETE FROM transition_table_level2 - WHERE level2_no BETWEEN 301 AND 305; -ERROR: relation "dx" cannot be the target of a modifying statement -CONTEXT: SQL statement "INSERT INTO dx VALUES (1000000, 1000000, 'x')" -PL/pgSQL function transition_table_level2_bad_usage_func() line 3 at SQL statement -DROP TRIGGER transition_table_level2_bad_usage_trigger - ON transition_table_level2; --- attempt modifications which would break RI (should all fail) -DELETE FROM transition_table_level1 - WHERE level1_no = 25; -ERROR: RI error -CONTEXT: PL/pgSQL function transition_table_level1_ri_parent_del_func() line 6 at RAISE -UPDATE transition_table_level1 SET level1_no = -1 - WHERE level1_no = 30; -ERROR: RI error -CONTEXT: PL/pgSQL function transition_table_level1_ri_parent_upd_func() line 15 at RAISE -INSERT INTO transition_table_level2 (level2_no, parent_no) - VALUES (10000, 10000); -ERROR: RI error -CONTEXT: PL/pgSQL function transition_table_level2_ri_child_insupd_func() line 8 at RAISE -UPDATE transition_table_level2 SET parent_no = 2000 - WHERE level2_no = 40; -ERROR: RI error -CONTEXT: PL/pgSQL function transition_table_level2_ri_child_insupd_func() line 8 at RAISE --- attempt modifications which would not break RI (should all succeed) -DELETE FROM transition_table_level1 - WHERE level1_no BETWEEN 201 AND 1000; -DELETE FROM transition_table_level1 - WHERE level1_no BETWEEN 100000000 AND 100000010; -SELECT count(*) FROM transition_table_level1; - count -------- - 200 -(1 row) - -DELETE FROM transition_table_level2 - WHERE level2_no BETWEEN 211 AND 220; -SELECT count(*) FROM transition_table_level2; - count -------- - 9989 -(1 row) - -CREATE TABLE alter_table_under_transition_tables -( - id int PRIMARY KEY, - name text -); -CREATE FUNCTION alter_table_under_transition_tables_upd_func() - RETURNS TRIGGER - LANGUAGE plpgsql -AS $$ -BEGIN - RAISE WARNING 'old table = %, new table = %', - (SELECT string_agg(id || '=' || name, ',') FROM d), - (SELECT string_agg(id || '=' || name, ',') FROM i); - RAISE NOTICE 'one = %', (SELECT 1 FROM alter_table_under_transition_tables LIMIT 1); - RETURN NULL; -END; -$$; --- should fail, TRUNCATE is not compatible with transition tables -CREATE TRIGGER alter_table_under_transition_tables_upd_trigger - AFTER TRUNCATE OR UPDATE ON alter_table_under_transition_tables - REFERENCING OLD TABLE AS d NEW TABLE AS i - FOR EACH STATEMENT EXECUTE PROCEDURE - alter_table_under_transition_tables_upd_func(); -ERROR: TRUNCATE triggers with transition tables are not supported --- should work -CREATE TRIGGER alter_table_under_transition_tables_upd_trigger - AFTER UPDATE ON alter_table_under_transition_tables - REFERENCING OLD TABLE AS d NEW TABLE AS i - FOR EACH STATEMENT EXECUTE PROCEDURE - alter_table_under_transition_tables_upd_func(); -INSERT INTO alter_table_under_transition_tables - VALUES (1, '1'), (2, '2'), (3, '3'); -UPDATE alter_table_under_transition_tables - SET name = name || name; -WARNING: old table = 1=1,2=2,3=3, new table = 1=11,2=22,3=33 -NOTICE: one = 1 --- now change 'name' to an integer to see what happens... -ALTER TABLE alter_table_under_transition_tables - ALTER COLUMN name TYPE int USING name::integer; -UPDATE alter_table_under_transition_tables - SET name = (name::text || name::text)::integer; -WARNING: old table = 1=11,2=22,3=33, new table = 1=1111,2=2222,3=3333 -NOTICE: one = 1 --- now drop column 'name' -ALTER TABLE alter_table_under_transition_tables - DROP column name; -UPDATE alter_table_under_transition_tables - SET id = id; -ERROR: column "name" does not exist -LINE 1: (SELECT string_agg(id || '=' || name, ',') FROM d) - ^ -QUERY: (SELECT string_agg(id || '=' || name, ',') FROM d) -CONTEXT: PL/pgSQL function alter_table_under_transition_tables_upd_func() line 3 at RAISE --- --- Test multiple reference to a transition table --- -CREATE TABLE multi_test (i int); -INSERT INTO multi_test VALUES (1); -CREATE OR REPLACE FUNCTION multi_test_trig() RETURNS trigger -LANGUAGE plpgsql AS $$ -BEGIN - RAISE NOTICE 'count = %', (SELECT COUNT(*) FROM new_test); - RAISE NOTICE 'count union = %', - (SELECT COUNT(*) - FROM (SELECT * FROM new_test UNION ALL SELECT * FROM new_test) ss); - RETURN NULL; -END$$; -CREATE TRIGGER my_trigger AFTER UPDATE ON multi_test - REFERENCING NEW TABLE AS new_test OLD TABLE as old_test - FOR EACH STATEMENT EXECUTE PROCEDURE multi_test_trig(); -UPDATE multi_test SET i = i; -NOTICE: count = 1 -NOTICE: count union = 2 -DROP TABLE multi_test; -DROP FUNCTION multi_test_trig(); --- --- Check type parsing and record fetching from partitioned tables --- -CREATE TABLE partitioned_table (a int, b text) PARTITION BY LIST (a); -CREATE TABLE pt_part1 PARTITION OF partitioned_table FOR VALUES IN (1); -CREATE TABLE pt_part2 PARTITION OF partitioned_table FOR VALUES IN (2); -INSERT INTO partitioned_table VALUES (1, 'Row 1'); -INSERT INTO partitioned_table VALUES (2, 'Row 2'); -CREATE OR REPLACE FUNCTION get_from_partitioned_table(partitioned_table.a%type) -RETURNS partitioned_table AS $$ -DECLARE - a_val partitioned_table.a%TYPE; - result partitioned_table%ROWTYPE; -BEGIN - a_val := $1; - SELECT * INTO result FROM partitioned_table WHERE a = a_val; - RETURN result; -END; $$ LANGUAGE plpgsql; -NOTICE: type reference partitioned_table.a%TYPE converted to integer -SELECT * FROM get_from_partitioned_table(1) AS t; - a | b ----+------- - 1 | Row 1 -(1 row) - -CREATE OR REPLACE FUNCTION list_partitioned_table() -RETURNS SETOF public.partitioned_table.a%TYPE AS $$ -DECLARE - row public.partitioned_table%ROWTYPE; - a_val public.partitioned_table.a%TYPE; -BEGIN - FOR row IN SELECT * FROM public.partitioned_table ORDER BY a LOOP - a_val := row.a; - RETURN NEXT a_val; - END LOOP; - RETURN; -END; $$ LANGUAGE plpgsql; -NOTICE: type reference public.partitioned_table.a%TYPE converted to integer -SELECT * FROM list_partitioned_table() AS t; - t ---- - 1 - 2 -(2 rows) - --- --- Check argument name is used instead of $n in error message --- -CREATE FUNCTION fx(x WSlot) RETURNS void AS $$ -BEGIN - GET DIAGNOSTICS x = ROW_COUNT; - RETURN; -END; $$ LANGUAGE plpgsql; -ERROR: "x" is not a scalar variable -LINE 3: GET DIAGNOSTICS x = ROW_COUNT; - ^ +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/copy2.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/copy2.out --- /tmp/cirrus-ci-build/src/test/regress/expected/copy2.out 2025-06-04 16:00:28.725545000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/copy2.out 2025-06-04 16:05:10.989203000 +0000 @@ -1,931 +1,2 @@ -CREATE TEMP TABLE x ( - a serial, - b int, - c text not null default 'stuff', - d text, - e text -) ; -CREATE FUNCTION fn_x_before () RETURNS TRIGGER AS ' - BEGIN - NEW.e := ''before trigger fired''::text; - return NEW; - END; -' LANGUAGE plpgsql; -CREATE FUNCTION fn_x_after () RETURNS TRIGGER AS ' - BEGIN - UPDATE x set e=''after trigger fired'' where c=''stuff''; - return NULL; - END; -' LANGUAGE plpgsql; -CREATE TRIGGER trg_x_after AFTER INSERT ON x -FOR EACH ROW EXECUTE PROCEDURE fn_x_after(); -CREATE TRIGGER trg_x_before BEFORE INSERT ON x -FOR EACH ROW EXECUTE PROCEDURE fn_x_before(); -COPY x (a, b, c, d, e) from stdin; -COPY x (b, d) from stdin; -COPY x (b, d) from stdin; -COPY x (a, b, c, d, e) from stdin; --- non-existent column in column list: should fail -COPY x (xyz) from stdin; -ERROR: column "xyz" of relation "x" does not exist --- redundant options -COPY x from stdin (format CSV, FORMAT CSV); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (format CSV, FORMAT CSV); - ^ -COPY x from stdin (freeze off, freeze on); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (freeze off, freeze on); - ^ -COPY x from stdin (delimiter ',', delimiter ','); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (delimiter ',', delimiter ','); - ^ -COPY x from stdin (null ' ', null ' '); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (null ' ', null ' '); - ^ -COPY x from stdin (header off, header on); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (header off, header on); - ^ -COPY x from stdin (quote ':', quote ':'); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (quote ':', quote ':'); - ^ -COPY x from stdin (escape ':', escape ':'); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (escape ':', escape ':'); - ^ -COPY x from stdin (force_quote (a), force_quote *); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (force_quote (a), force_quote *); - ^ -COPY x from stdin (force_not_null (a), force_not_null (b)); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (force_not_null (a), force_not_null (b)); - ^ -COPY x from stdin (force_null (a), force_null (b)); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (force_null (a), force_null (b)); - ^ -COPY x from stdin (convert_selectively (a), convert_selectively (b)); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (convert_selectively (a), convert_selectiv... - ^ -COPY x from stdin (encoding 'sql_ascii', encoding 'sql_ascii'); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (encoding 'sql_ascii', encoding 'sql_ascii... - ^ -COPY x from stdin (on_error ignore, on_error ignore); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (on_error ignore, on_error ignore); - ^ -COPY x from stdin (log_verbosity default, log_verbosity verbose); -ERROR: conflicting or redundant options -LINE 1: COPY x from stdin (log_verbosity default, log_verbosity verb... - ^ --- incorrect options -COPY x from stdin (format BINARY, delimiter ','); -ERROR: cannot specify DELIMITER in BINARY mode -COPY x from stdin (format BINARY, null 'x'); -ERROR: cannot specify NULL in BINARY mode -COPY x from stdin (format BINARY, on_error ignore); -ERROR: only ON_ERROR STOP is allowed in BINARY mode -COPY x from stdin (on_error unsupported); -ERROR: COPY ON_ERROR "unsupported" not recognized -LINE 1: COPY x from stdin (on_error unsupported); - ^ -COPY x from stdin (format TEXT, force_quote(a)); -ERROR: COPY FORCE_QUOTE requires CSV mode -COPY x from stdin (format TEXT, force_quote *); -ERROR: COPY FORCE_QUOTE requires CSV mode -COPY x from stdin (format CSV, force_quote(a)); -ERROR: COPY FORCE_QUOTE cannot be used with COPY FROM -COPY x from stdin (format CSV, force_quote *); -ERROR: COPY FORCE_QUOTE cannot be used with COPY FROM -COPY x from stdin (format TEXT, force_not_null(a)); -ERROR: COPY FORCE_NOT_NULL requires CSV mode -COPY x from stdin (format TEXT, force_not_null *); -ERROR: COPY FORCE_NOT_NULL requires CSV mode -COPY x to stdout (format CSV, force_not_null(a)); -ERROR: COPY FORCE_NOT_NULL cannot be used with COPY TO -COPY x to stdout (format CSV, force_not_null *); -ERROR: COPY FORCE_NOT_NULL cannot be used with COPY TO -COPY x from stdin (format TEXT, force_null(a)); -ERROR: COPY FORCE_NULL requires CSV mode -COPY x from stdin (format TEXT, force_null *); -ERROR: COPY FORCE_NULL requires CSV mode -COPY x to stdout (format CSV, force_null(a)); -ERROR: COPY FORCE_NULL cannot be used with COPY TO -COPY x to stdout (format CSV, force_null *); -ERROR: COPY FORCE_NULL cannot be used with COPY TO -COPY x to stdout (format BINARY, on_error unsupported); -ERROR: COPY ON_ERROR cannot be used with COPY TO -LINE 1: COPY x to stdout (format BINARY, on_error unsupported); - ^ -COPY x from stdin (log_verbosity unsupported); -ERROR: COPY LOG_VERBOSITY "unsupported" not recognized -LINE 1: COPY x from stdin (log_verbosity unsupported); - ^ -COPY x from stdin with (reject_limit 1); -ERROR: COPY REJECT_LIMIT requires ON_ERROR to be set to IGNORE -COPY x from stdin with (on_error ignore, reject_limit 0); -ERROR: REJECT_LIMIT (0) must be greater than zero --- too many columns in column list: should fail -COPY x (a, b, c, d, e, d, c) from stdin; -ERROR: column "d" specified more than once --- missing data: should fail -COPY x from stdin; -ERROR: invalid input syntax for type integer: "" -CONTEXT: COPY x, line 1, column a: "" -COPY x from stdin; -ERROR: missing data for column "e" -CONTEXT: COPY x, line 1: "2000 230 23 23" -COPY x from stdin; -ERROR: missing data for column "e" -CONTEXT: COPY x, line 1: "2001 231 \N \N" --- extra data: should fail -COPY x from stdin; -ERROR: extra data after last expected column -CONTEXT: COPY x, line 1: "2002 232 40 50 60 70 80" --- various COPY options: delimiters, oids, NULL string, encoding -COPY x (b, c, d, e) from stdin delimiter ',' null 'x'; -COPY x from stdin WITH DELIMITER AS ';' NULL AS ''; -COPY x from stdin WITH DELIMITER AS ':' NULL AS E'\\X' ENCODING 'sql_ascii'; -COPY x TO stdout WHERE a = 1; -ERROR: WHERE clause not allowed with COPY TO -LINE 1: COPY x TO stdout WHERE a = 1; - ^ -COPY x from stdin WHERE a = 50004; -COPY x from stdin WHERE a > 60003; -COPY x from stdin WHERE f > 60003; -ERROR: column "f" does not exist -LINE 1: COPY x from stdin WHERE f > 60003; - ^ -COPY x from stdin WHERE a = max(x.b); -ERROR: aggregate functions are not allowed in COPY FROM WHERE conditions -LINE 1: COPY x from stdin WHERE a = max(x.b); - ^ -COPY x from stdin WHERE a IN (SELECT 1 FROM x); -ERROR: cannot use subquery in COPY FROM WHERE condition -LINE 1: COPY x from stdin WHERE a IN (SELECT 1 FROM x); - ^ -COPY x from stdin WHERE a IN (generate_series(1,5)); -ERROR: set-returning functions are not allowed in COPY FROM WHERE conditions -LINE 1: COPY x from stdin WHERE a IN (generate_series(1,5)); - ^ -COPY x from stdin WHERE a = row_number() over(b); -ERROR: window functions are not allowed in COPY FROM WHERE conditions -LINE 1: COPY x from stdin WHERE a = row_number() over(b); - ^ --- check results of copy in -SELECT * FROM x; - a | b | c | d | e --------+----+------------+--------+---------------------- - 9999 | | \N | NN | before trigger fired - 10000 | 21 | 31 | 41 | before trigger fired - 10001 | 22 | 32 | 42 | before trigger fired - 10002 | 23 | 33 | 43 | before trigger fired - 10003 | 24 | 34 | 44 | before trigger fired - 10004 | 25 | 35 | 45 | before trigger fired - 10005 | 26 | 36 | 46 | before trigger fired - 6 | | 45 | 80 | before trigger fired - 7 | | x | \x | before trigger fired - 8 | | , | \, | before trigger fired - 3000 | | c | | before trigger fired - 4000 | | C | | before trigger fired - 4001 | 1 | empty | | before trigger fired - 4002 | 2 | null | | before trigger fired - 4003 | 3 | Backslash | \ | before trigger fired - 4004 | 4 | BackslashX | \X | before trigger fired - 4005 | 5 | N | N | before trigger fired - 4006 | 6 | BackslashN | \N | before trigger fired - 4007 | 7 | XX | XX | before trigger fired - 4008 | 8 | Delimiter | : | before trigger fired - 50004 | 25 | 35 | 45 | before trigger fired - 60004 | 25 | 35 | 45 | before trigger fired - 60005 | 26 | 36 | 46 | before trigger fired - 1 | 1 | stuff | test_1 | after trigger fired - 2 | 2 | stuff | test_2 | after trigger fired - 3 | 3 | stuff | test_3 | after trigger fired - 4 | 4 | stuff | test_4 | after trigger fired - 5 | 5 | stuff | test_5 | after trigger fired -(28 rows) - --- check copy out -COPY x TO stdout; -9999 \N \\N NN before trigger fired -10000 21 31 41 before trigger fired -10001 22 32 42 before trigger fired -10002 23 33 43 before trigger fired -10003 24 34 44 before trigger fired -10004 25 35 45 before trigger fired -10005 26 36 46 before trigger fired -6 \N 45 80 before trigger fired -7 \N x \\x before trigger fired -8 \N , \\, before trigger fired -3000 \N c \N before trigger fired -4000 \N C \N before trigger fired -4001 1 empty before trigger fired -4002 2 null \N before trigger fired -4003 3 Backslash \\ before trigger fired -4004 4 BackslashX \\X before trigger fired -4005 5 N N before trigger fired -4006 6 BackslashN \\N before trigger fired -4007 7 XX XX before trigger fired -4008 8 Delimiter : before trigger fired -50004 25 35 45 before trigger fired -60004 25 35 45 before trigger fired -60005 26 36 46 before trigger fired -1 1 stuff test_1 after trigger fired -2 2 stuff test_2 after trigger fired -3 3 stuff test_3 after trigger fired -4 4 stuff test_4 after trigger fired -5 5 stuff test_5 after trigger fired -COPY x (c, e) TO stdout; -\\N before trigger fired -31 before trigger fired -32 before trigger fired -33 before trigger fired -34 before trigger fired -35 before trigger fired -36 before trigger fired -45 before trigger fired -x before trigger fired -, before trigger fired -c before trigger fired -C before trigger fired -empty before trigger fired -null before trigger fired -Backslash before trigger fired -BackslashX before trigger fired -N before trigger fired -BackslashN before trigger fired -XX before trigger fired -Delimiter before trigger fired -35 before trigger fired -35 before trigger fired -36 before trigger fired -stuff after trigger fired -stuff after trigger fired -stuff after trigger fired -stuff after trigger fired -stuff after trigger fired -COPY x (b, e) TO stdout WITH NULL 'I''m null'; -I'm null before trigger fired -21 before trigger fired -22 before trigger fired -23 before trigger fired -24 before trigger fired -25 before trigger fired -26 before trigger fired -I'm null before trigger fired -I'm null before trigger fired -I'm null before trigger fired -I'm null before trigger fired -I'm null before trigger fired -1 before trigger fired -2 before trigger fired -3 before trigger fired -4 before trigger fired -5 before trigger fired -6 before trigger fired -7 before trigger fired -8 before trigger fired -25 before trigger fired -25 before trigger fired -26 before trigger fired -1 after trigger fired -2 after trigger fired -3 after trigger fired -4 after trigger fired -5 after trigger fired -CREATE TEMP TABLE y ( - col1 text, - col2 text -); -INSERT INTO y VALUES ('Jackson, Sam', E'\\h'); -INSERT INTO y VALUES ('It is "perfect".',E'\t'); -INSERT INTO y VALUES ('', NULL); -COPY y TO stdout WITH CSV; -"Jackson, Sam",\h -"It is ""perfect"".", -"", -COPY y TO stdout WITH CSV QUOTE '''' DELIMITER '|'; -Jackson, Sam|\h -It is "perfect".| -''| -COPY y TO stdout WITH CSV FORCE QUOTE col2 ESCAPE E'\\' ENCODING 'sql_ascii'; -"Jackson, Sam","\\h" -"It is \"perfect\"."," " -"", -COPY y TO stdout WITH CSV FORCE QUOTE *; -"Jackson, Sam","\h" -"It is ""perfect""."," " -"", --- Repeat above tests with new 9.0 option syntax -COPY y TO stdout (FORMAT CSV); -"Jackson, Sam",\h -"It is ""perfect"".", -"", -COPY y TO stdout (FORMAT CSV, QUOTE '''', DELIMITER '|'); -Jackson, Sam|\h -It is "perfect".| -''| -COPY y TO stdout (FORMAT CSV, FORCE_QUOTE (col2), ESCAPE E'\\'); -"Jackson, Sam","\\h" -"It is \"perfect\"."," " -"", -COPY y TO stdout (FORMAT CSV, FORCE_QUOTE *); -"Jackson, Sam","\h" -"It is ""perfect""."," " -"", -\copy y TO stdout (FORMAT CSV) -"Jackson, Sam",\h -"It is ""perfect"".", -"", -\copy y TO stdout (FORMAT CSV, QUOTE '''', DELIMITER '|') -Jackson, Sam|\h -It is "perfect".| -''| -\copy y TO stdout (FORMAT CSV, FORCE_QUOTE (col2), ESCAPE E'\\') -"Jackson, Sam","\\h" -"It is \"perfect\"."," " -"", -\copy y TO stdout (FORMAT CSV, FORCE_QUOTE *) -"Jackson, Sam","\h" -"It is ""perfect""."," " -"", ---test that we read consecutive LFs properly -CREATE TEMP TABLE testnl (a int, b text, c int); -COPY testnl FROM stdin CSV; --- test end of copy marker -CREATE TEMP TABLE testeoc (a text); -COPY testeoc FROM stdin CSV; -COPY testeoc TO stdout CSV; -a\. -\.b -c\.d -"\." --- test handling of nonstandard null marker that violates escaping rules -CREATE TEMP TABLE testnull(a int, b text); -INSERT INTO testnull VALUES (1, E'\\0'), (NULL, NULL); -COPY testnull TO stdout WITH NULL AS E'\\0'; -1 \\0 -\0 \0 -COPY testnull FROM stdin WITH NULL AS E'\\0'; -SELECT * FROM testnull; - a | b -----+---- - 1 | \0 - | - 42 | \0 - | -(4 rows) - -BEGIN; -CREATE TABLE vistest (LIKE testeoc); -COPY vistest FROM stdin CSV; -COMMIT; -SELECT * FROM vistest; - a ----- - a0 - b -(2 rows) - -BEGIN; -TRUNCATE vistest; -COPY vistest FROM stdin CSV; -SELECT * FROM vistest; - a ----- - a1 - b -(2 rows) - -SAVEPOINT s1; -TRUNCATE vistest; -COPY vistest FROM stdin CSV; -SELECT * FROM vistest; - a ----- - d1 - e -(2 rows) - -COMMIT; -SELECT * FROM vistest; - a ----- - d1 - e -(2 rows) - -BEGIN; -TRUNCATE vistest; -COPY vistest FROM stdin CSV FREEZE; -SELECT * FROM vistest; - a ----- - a2 - b -(2 rows) - -SAVEPOINT s1; -TRUNCATE vistest; -COPY vistest FROM stdin CSV FREEZE; -SELECT * FROM vistest; - a ----- - d2 - e -(2 rows) - -COMMIT; -SELECT * FROM vistest; - a ----- - d2 - e -(2 rows) - -BEGIN; -TRUNCATE vistest; -COPY vistest FROM stdin CSV FREEZE; -SELECT * FROM vistest; - a ---- - x - y -(2 rows) - -COMMIT; -TRUNCATE vistest; -COPY vistest FROM stdin CSV FREEZE; -ERROR: cannot perform COPY FREEZE because the table was not created or truncated in the current subtransaction -BEGIN; -TRUNCATE vistest; -SAVEPOINT s1; -COPY vistest FROM stdin CSV FREEZE; -ERROR: cannot perform COPY FREEZE because the table was not created or truncated in the current subtransaction -COMMIT; -BEGIN; -INSERT INTO vistest VALUES ('z'); -SAVEPOINT s1; -TRUNCATE vistest; -ROLLBACK TO SAVEPOINT s1; -COPY vistest FROM stdin CSV FREEZE; -ERROR: cannot perform COPY FREEZE because the table was not created or truncated in the current subtransaction -COMMIT; -CREATE FUNCTION truncate_in_subxact() RETURNS VOID AS -$$ -BEGIN - TRUNCATE vistest; -EXCEPTION - WHEN OTHERS THEN - INSERT INTO vistest VALUES ('subxact failure'); -END; -$$ language plpgsql; -BEGIN; -INSERT INTO vistest VALUES ('z'); -SELECT truncate_in_subxact(); - truncate_in_subxact ---------------------- - -(1 row) - -COPY vistest FROM stdin CSV FREEZE; -SELECT * FROM vistest; - a ----- - d4 - e -(2 rows) - -COMMIT; -SELECT * FROM vistest; - a ----- - d4 - e -(2 rows) - --- Test FORCE_NOT_NULL and FORCE_NULL options -CREATE TEMP TABLE forcetest ( - a INT NOT NULL, - b TEXT NOT NULL, - c TEXT, - d TEXT, - e TEXT -); -\pset null NULL --- should succeed with no effect ("b" remains an empty string, "c" remains NULL) -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL(b), FORCE_NULL(c)); -COMMIT; -SELECT b, c FROM forcetest WHERE a = 1; - b | c ----+------ - | NULL -(1 row) - --- should succeed, FORCE_NULL and FORCE_NOT_NULL can be both specified -BEGIN; -COPY forcetest (a, b, c, d) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL(c,d), FORCE_NULL(c,d)); -COMMIT; -SELECT c, d FROM forcetest WHERE a = 2; - c | d ----+------ - | NULL -(1 row) - --- should fail with not-null constraint violation -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NULL(b), FORCE_NOT_NULL(c)); -ERROR: null value in column "b" of relation "forcetest" violates not-null constraint -DETAIL: Failing row contains (3, null, , null, null). -CONTEXT: COPY forcetest, line 1: "3,,""" -ROLLBACK; --- should fail with "not referenced by COPY" error -BEGIN; -COPY forcetest (d, e) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL(b)); -ERROR: FORCE_NOT_NULL column "b" not referenced by COPY -ROLLBACK; --- should fail with "not referenced by COPY" error -BEGIN; -COPY forcetest (d, e) FROM STDIN WITH (FORMAT csv, FORCE_NULL(b)); -ERROR: FORCE_NULL column "b" not referenced by COPY -ROLLBACK; --- should succeed with no effect ("b" remains an empty string, "c" remains NULL) -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL *, FORCE_NULL *); -COMMIT; -SELECT b, c FROM forcetest WHERE a = 4; - b | c ----+------ - | NULL -(1 row) - --- should succeed with effect ("b" remains an empty string) -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL *); -COMMIT; -SELECT b, c FROM forcetest WHERE a = 5; - b | c ----+--- - | -(1 row) - --- should succeed with effect ("c" remains NULL) -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NULL *); -COMMIT; -SELECT b, c FROM forcetest WHERE a = 6; - b | c ----+------ - b | NULL -(1 row) - --- should fail with "conflicting or redundant options" error -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL *, FORCE_NOT_NULL(b)); -ERROR: conflicting or redundant options -LINE 1: ...c) FROM STDIN WITH (FORMAT csv, FORCE_NOT_NULL *, FORCE_NOT_... - ^ -ROLLBACK; --- should fail with "conflicting or redundant options" error -BEGIN; -COPY forcetest (a, b, c) FROM STDIN WITH (FORMAT csv, FORCE_NULL *, FORCE_NULL(b)); -ERROR: conflicting or redundant options -LINE 1: ... b, c) FROM STDIN WITH (FORMAT csv, FORCE_NULL *, FORCE_NULL... - ^ -ROLLBACK; -\pset null '' --- test case with whole-row Var in a check constraint -create table check_con_tbl (f1 int); -create function check_con_function(check_con_tbl) returns bool as $$ -begin - raise notice 'input = %', row_to_json($1); - return $1.f1 > 0; -end $$ language plpgsql immutable; -alter table check_con_tbl add check (check_con_function(check_con_tbl.*)); -\d+ check_con_tbl - Table "public.check_con_tbl" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - f1 | integer | | | | plain | | -Check constraints: - "check_con_tbl_check" CHECK (check_con_function(check_con_tbl.*)) - -copy check_con_tbl from stdin; -NOTICE: input = {"f1":1} -NOTICE: input = {"f1":null} -copy check_con_tbl from stdin; -NOTICE: input = {"f1":0} -ERROR: new row for relation "check_con_tbl" violates check constraint "check_con_tbl_check" -DETAIL: Failing row contains (0). -CONTEXT: COPY check_con_tbl, line 1: "0" -select * from check_con_tbl; - f1 ----- - 1 - -(2 rows) - --- test with RLS enabled. -CREATE ROLE regress_rls_copy_user; -CREATE ROLE regress_rls_copy_user_colperms; -CREATE TABLE rls_t1 (a int, b int, c int); -COPY rls_t1 (a, b, c) from stdin; -CREATE POLICY p1 ON rls_t1 FOR SELECT USING (a % 2 = 0); -ALTER TABLE rls_t1 ENABLE ROW LEVEL SECURITY; -ALTER TABLE rls_t1 FORCE ROW LEVEL SECURITY; -GRANT SELECT ON TABLE rls_t1 TO regress_rls_copy_user; -GRANT SELECT (a, b) ON TABLE rls_t1 TO regress_rls_copy_user_colperms; --- all columns -COPY rls_t1 TO stdout; -1 4 1 -2 3 2 -3 2 3 -4 1 4 -COPY rls_t1 (a, b, c) TO stdout; -1 4 1 -2 3 2 -3 2 3 -4 1 4 --- subset of columns -COPY rls_t1 (a) TO stdout; -1 -2 -3 -4 -COPY rls_t1 (a, b) TO stdout; -1 4 -2 3 -3 2 -4 1 --- column reordering -COPY rls_t1 (b, a) TO stdout; -4 1 -3 2 -2 3 -1 4 -SET SESSION AUTHORIZATION regress_rls_copy_user; --- all columns -COPY rls_t1 TO stdout; -2 3 2 -4 1 4 -COPY rls_t1 (a, b, c) TO stdout; -2 3 2 -4 1 4 --- subset of columns -COPY rls_t1 (a) TO stdout; -2 -4 -COPY rls_t1 (a, b) TO stdout; -2 3 -4 1 --- column reordering -COPY rls_t1 (b, a) TO stdout; -3 2 -1 4 -RESET SESSION AUTHORIZATION; -SET SESSION AUTHORIZATION regress_rls_copy_user_colperms; --- attempt all columns (should fail) -COPY rls_t1 TO stdout; -ERROR: permission denied for table rls_t1 -COPY rls_t1 (a, b, c) TO stdout; -ERROR: permission denied for table rls_t1 --- try to copy column with no privileges (should fail) -COPY rls_t1 (c) TO stdout; -ERROR: permission denied for table rls_t1 --- subset of columns (should succeed) -COPY rls_t1 (a) TO stdout; -2 -4 -COPY rls_t1 (a, b) TO stdout; -2 3 -4 1 -RESET SESSION AUTHORIZATION; --- test with INSTEAD OF INSERT trigger on a view -CREATE TABLE instead_of_insert_tbl(id serial, name text); -CREATE VIEW instead_of_insert_tbl_view AS SELECT ''::text AS str; -COPY instead_of_insert_tbl_view FROM stdin; -- fail -ERROR: cannot copy to view "instead_of_insert_tbl_view" -HINT: To enable copying to a view, provide an INSTEAD OF INSERT trigger. -CREATE FUNCTION fun_instead_of_insert_tbl() RETURNS trigger AS $$ -BEGIN - INSERT INTO instead_of_insert_tbl (name) VALUES (NEW.str); - RETURN NULL; -END; -$$ LANGUAGE plpgsql; -CREATE TRIGGER trig_instead_of_insert_tbl_view - INSTEAD OF INSERT ON instead_of_insert_tbl_view - FOR EACH ROW EXECUTE PROCEDURE fun_instead_of_insert_tbl(); -COPY instead_of_insert_tbl_view FROM stdin; -SELECT * FROM instead_of_insert_tbl; - id | name -----+------- - 1 | test1 -(1 row) - --- Test of COPY optimization with view using INSTEAD OF INSERT --- trigger when relation is created in the same transaction as --- when COPY is executed. -BEGIN; -CREATE VIEW instead_of_insert_tbl_view_2 as select ''::text as str; -CREATE TRIGGER trig_instead_of_insert_tbl_view_2 - INSTEAD OF INSERT ON instead_of_insert_tbl_view_2 - FOR EACH ROW EXECUTE PROCEDURE fun_instead_of_insert_tbl(); -COPY instead_of_insert_tbl_view_2 FROM stdin; -SELECT * FROM instead_of_insert_tbl; - id | name -----+------- - 1 | test1 - 2 | test1 -(2 rows) - -COMMIT; --- tests for on_error option -CREATE TABLE check_ign_err (n int, m int[], k int); -COPY check_ign_err FROM STDIN WITH (on_error stop); -ERROR: invalid input syntax for type integer: "a" -CONTEXT: COPY check_ign_err, line 2, column n: "a" --- want context for notices -\set SHOW_CONTEXT always -COPY check_ign_err FROM STDIN WITH (on_error ignore, log_verbosity verbose); -NOTICE: skipping row due to data type incompatibility at line 2 for column "n": "a" -CONTEXT: COPY check_ign_err -NOTICE: skipping row due to data type incompatibility at line 3 for column "k": "3333333333" -CONTEXT: COPY check_ign_err -NOTICE: skipping row due to data type incompatibility at line 4 for column "m": "{a, 4}" -CONTEXT: COPY check_ign_err -NOTICE: skipping row due to data type incompatibility at line 5 for column "n": "" -CONTEXT: COPY check_ign_err -NOTICE: skipping row due to data type incompatibility at line 7 for column "m": "a" -CONTEXT: COPY check_ign_err -NOTICE: skipping row due to data type incompatibility at line 8 for column "k": "a" -CONTEXT: COPY check_ign_err -NOTICE: 6 rows were skipped due to data type incompatibility --- tests for on_error option with log_verbosity and null constraint via domain -CREATE DOMAIN dcheck_ign_err2 varchar(15) NOT NULL; -CREATE TABLE check_ign_err2 (n int, m int[], k int, l dcheck_ign_err2); -COPY check_ign_err2 FROM STDIN WITH (on_error ignore, log_verbosity verbose); -NOTICE: skipping row due to data type incompatibility at line 2 for column "l": null input -CONTEXT: COPY check_ign_err2 -NOTICE: 1 row was skipped due to data type incompatibility -COPY check_ign_err2 FROM STDIN WITH (on_error ignore, log_verbosity silent); --- reset context choice -\set SHOW_CONTEXT errors -SELECT * FROM check_ign_err; - n | m | k ----+-----+--- - 1 | {1} | 1 - 5 | {5} | 5 - 8 | {8} | 8 -(3 rows) - -SELECT * FROM check_ign_err2; - n | m | k | l ----+-----+---+------- - 1 | {1} | 1 | 'foo' - 3 | {3} | 3 | 'bar' -(2 rows) - --- test datatype error that can't be handled as soft: should fail -CREATE TABLE hard_err(foo widget); -COPY hard_err FROM STDIN WITH (on_error ignore); -ERROR: invalid input syntax for type widget: "1" -CONTEXT: COPY hard_err, line 1, column foo: "1" --- test missing data: should fail -COPY check_ign_err FROM STDIN WITH (on_error ignore); -ERROR: missing data for column "k" -CONTEXT: COPY check_ign_err, line 1: "1 {1}" --- test extra data: should fail -COPY check_ign_err FROM STDIN WITH (on_error ignore); -ERROR: extra data after last expected column -CONTEXT: COPY check_ign_err, line 1: "1 {1} 3 abc" --- tests for reject_limit option -COPY check_ign_err FROM STDIN WITH (on_error ignore, reject_limit 3); -ERROR: skipped more than REJECT_LIMIT (3) rows due to data type incompatibility -CONTEXT: COPY check_ign_err, line 5, column n: "" -COPY check_ign_err FROM STDIN WITH (on_error ignore, reject_limit 4); -NOTICE: 4 rows were skipped due to data type incompatibility --- clean up -DROP TABLE forcetest; -DROP TABLE vistest; -DROP FUNCTION truncate_in_subxact(); -DROP TABLE x, y; -DROP TABLE rls_t1 CASCADE; -DROP ROLE regress_rls_copy_user; -DROP ROLE regress_rls_copy_user_colperms; -DROP FUNCTION fn_x_before(); -DROP FUNCTION fn_x_after(); -DROP TABLE instead_of_insert_tbl; -DROP VIEW instead_of_insert_tbl_view; -DROP VIEW instead_of_insert_tbl_view_2; -DROP FUNCTION fun_instead_of_insert_tbl(); -DROP TABLE check_ign_err; -DROP TABLE check_ign_err2; -DROP DOMAIN dcheck_ign_err2; -DROP TABLE hard_err; --- --- COPY FROM ... DEFAULT --- -create temp table copy_default ( - id integer primary key, - text_value text not null default 'test', - ts_value timestamp without time zone not null default '2022-07-05' -); --- if DEFAULT is not specified, then the marker will be regular data -copy copy_default from stdin; -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | value | Mon Jul 04 00:00:00 2022 - 2 | D | Tue Jul 05 00:00:00 2022 -(2 rows) - -truncate copy_default; -copy copy_default from stdin with (format csv); -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | value | Mon Jul 04 00:00:00 2022 - 2 | \D | Tue Jul 05 00:00:00 2022 -(2 rows) - -truncate copy_default; --- DEFAULT cannot be used in binary mode -copy copy_default from stdin with (format binary, default '\D'); -ERROR: cannot specify DEFAULT in BINARY mode --- DEFAULT cannot be new line nor carriage return -copy copy_default from stdin with (default E'\n'); -ERROR: COPY default representation cannot use newline or carriage return -copy copy_default from stdin with (default E'\r'); -ERROR: COPY default representation cannot use newline or carriage return --- DELIMITER cannot appear in DEFAULT spec -copy copy_default from stdin with (delimiter ';', default 'test;test'); -ERROR: COPY delimiter character must not appear in the DEFAULT specification --- CSV quote cannot appear in DEFAULT spec -copy copy_default from stdin with (format csv, quote '"', default 'test"test'); -ERROR: CSV quote character must not appear in the DEFAULT specification --- NULL and DEFAULT spec must be different -copy copy_default from stdin with (default '\N'); -ERROR: NULL specification and DEFAULT specification cannot be the same --- cannot use DEFAULT marker in column that has no DEFAULT value -copy copy_default from stdin with (default '\D'); -ERROR: unexpected default marker in COPY data -DETAIL: Column "id" has no default value. -CONTEXT: COPY copy_default, line 1: "\D value '2022-07-04'" -copy copy_default from stdin with (format csv, default '\D'); -ERROR: unexpected default marker in COPY data -DETAIL: Column "id" has no default value. -CONTEXT: COPY copy_default, line 1: "\D,value,2022-07-04" --- The DEFAULT marker must be unquoted and unescaped or it's not recognized -copy copy_default from stdin with (default '\D'); -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | test | Mon Jul 04 00:00:00 2022 - 2 | \D | Mon Jul 04 00:00:00 2022 - 3 | "D" | Mon Jul 04 00:00:00 2022 -(3 rows) - -truncate copy_default; -copy copy_default from stdin with (format csv, default '\D'); -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | test | Mon Jul 04 00:00:00 2022 - 2 | \\D | Mon Jul 04 00:00:00 2022 - 3 | \D | Mon Jul 04 00:00:00 2022 -(3 rows) - -truncate copy_default; --- successful usage of DEFAULT option in COPY -copy copy_default from stdin with (default '\D'); -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | value | Mon Jul 04 00:00:00 2022 - 2 | test | Sun Jul 03 00:00:00 2022 - 3 | test | Tue Jul 05 00:00:00 2022 -(3 rows) - -truncate copy_default; -copy copy_default from stdin with (format csv, default '\D'); -select id, text_value, ts_value from copy_default; - id | text_value | ts_value -----+------------+-------------------------- - 1 | value | Mon Jul 04 00:00:00 2022 - 2 | test | Sun Jul 03 00:00:00 2022 - 3 | test | Tue Jul 05 00:00:00 2022 -(3 rows) - -truncate copy_default; --- DEFAULT cannot be used in COPY TO -copy (select 1 as test) TO stdout with (default '\D'); -ERROR: COPY DEFAULT cannot be used with COPY TO +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/temp.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/temp.out --- /tmp/cirrus-ci-build/src/test/regress/expected/temp.out 2025-06-04 16:00:28.795257000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/temp.out 2025-06-04 16:05:11.021224000 +0000 @@ -1,568 +1,2 @@ --- --- TEMP --- Test temp relations and indexes --- --- test temp table/index masking -CREATE TABLE temptest(col int); -CREATE INDEX i_temptest ON temptest(col); -CREATE TEMP TABLE temptest(tcol int); -CREATE INDEX i_temptest ON temptest(tcol); -SELECT * FROM temptest; - tcol ------- -(0 rows) - -DROP INDEX i_temptest; -DROP TABLE temptest; -SELECT * FROM temptest; - col ------ -(0 rows) - -DROP INDEX i_temptest; -DROP TABLE temptest; --- test temp table selects -CREATE TABLE temptest(col int); -INSERT INTO temptest VALUES (1); -CREATE TEMP TABLE temptest(tcol float); -INSERT INTO temptest VALUES (2.1); -SELECT * FROM temptest; - tcol ------- - 2.1 -(1 row) - -DROP TABLE temptest; -SELECT * FROM temptest; - col ------ - 1 -(1 row) - -DROP TABLE temptest; --- test temp table deletion -CREATE TEMP TABLE temptest(col int); -\c -SELECT * FROM temptest; -ERROR: relation "temptest" does not exist -LINE 1: SELECT * FROM temptest; - ^ --- Test ON COMMIT DELETE ROWS -CREATE TEMP TABLE temptest(col int) ON COMMIT DELETE ROWS; --- while we're here, verify successful truncation of index with SQL function -CREATE INDEX ON temptest(bit_length('')); -BEGIN; -INSERT INTO temptest VALUES (1); -INSERT INTO temptest VALUES (2); -SELECT * FROM temptest; - col ------ - 1 - 2 -(2 rows) - -COMMIT; -SELECT * FROM temptest; - col ------ -(0 rows) - -DROP TABLE temptest; -BEGIN; -CREATE TEMP TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1; -SELECT * FROM temptest; - col ------ - 1 -(1 row) - -COMMIT; -SELECT * FROM temptest; - col ------ -(0 rows) - -DROP TABLE temptest; --- Test ON COMMIT DROP -BEGIN; -CREATE TEMP TABLE temptest(col int) ON COMMIT DROP; -INSERT INTO temptest VALUES (1); -INSERT INTO temptest VALUES (2); -SELECT * FROM temptest; - col ------ - 1 - 2 -(2 rows) - -COMMIT; -SELECT * FROM temptest; -ERROR: relation "temptest" does not exist -LINE 1: SELECT * FROM temptest; - ^ -BEGIN; -CREATE TEMP TABLE temptest(col) ON COMMIT DROP AS SELECT 1; -SELECT * FROM temptest; - col ------ - 1 -(1 row) - -COMMIT; -SELECT * FROM temptest; -ERROR: relation "temptest" does not exist -LINE 1: SELECT * FROM temptest; - ^ --- Test it with a CHECK condition that produces a toasted pg_constraint entry -BEGIN; -do $$ -begin - execute format($cmd$ - CREATE TEMP TABLE temptest (col text CHECK (col < %L)) ON COMMIT DROP - $cmd$, - (SELECT string_agg(g.i::text || ':' || random()::text, '|') - FROM generate_series(1, 100) g(i))); -end$$; -SELECT * FROM temptest; - col ------ -(0 rows) - -COMMIT; -SELECT * FROM temptest; -ERROR: relation "temptest" does not exist -LINE 1: SELECT * FROM temptest; - ^ --- ON COMMIT is only allowed for TEMP -CREATE TABLE temptest(col int) ON COMMIT DELETE ROWS; -ERROR: ON COMMIT can only be used on temporary tables -CREATE TABLE temptest(col) ON COMMIT DELETE ROWS AS SELECT 1; -ERROR: ON COMMIT can only be used on temporary tables --- Test foreign keys -BEGIN; -CREATE TEMP TABLE temptest1(col int PRIMARY KEY); -CREATE TEMP TABLE temptest2(col int REFERENCES temptest1) - ON COMMIT DELETE ROWS; -INSERT INTO temptest1 VALUES (1); -INSERT INTO temptest2 VALUES (1); -COMMIT; -SELECT * FROM temptest1; - col ------ - 1 -(1 row) - -SELECT * FROM temptest2; - col ------ -(0 rows) - -BEGIN; -CREATE TEMP TABLE temptest3(col int PRIMARY KEY) ON COMMIT DELETE ROWS; -CREATE TEMP TABLE temptest4(col int REFERENCES temptest3); -COMMIT; -ERROR: unsupported ON COMMIT and foreign key combination -DETAIL: Table "temptest4" references "temptest3", but they do not have the same ON COMMIT setting. --- Test manipulation of temp schema's placement in search path -create table public.whereami (f1 text); -insert into public.whereami values ('public'); -create temp table whereami (f1 text); -insert into whereami values ('temp'); -create function public.whoami() returns text - as $$select 'public'::text$$ language sql; -create function pg_temp.whoami() returns text - as $$select 'temp'::text$$ language sql; --- default should have pg_temp implicitly first, but only for tables -select * from whereami; - f1 ------- - temp -(1 row) - -select whoami(); - whoami --------- - public -(1 row) - --- can list temp first explicitly, but it still doesn't affect functions -set search_path = pg_temp, public; -select * from whereami; - f1 ------- - temp -(1 row) - -select whoami(); - whoami --------- - public -(1 row) - --- or put it last for security -set search_path = public, pg_temp; -select * from whereami; - f1 --------- - public -(1 row) - -select whoami(); - whoami --------- - public -(1 row) - --- you can invoke a temp function explicitly, though -select pg_temp.whoami(); - whoami --------- - temp -(1 row) - -drop table public.whereami; --- types in temp schema -set search_path = pg_temp, public; -create domain pg_temp.nonempty as text check (value <> ''); --- function-syntax invocation of types matches rules for functions -select nonempty(''); -ERROR: function nonempty(unknown) does not exist -LINE 1: select nonempty(''); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select pg_temp.nonempty(''); -ERROR: value for domain nonempty violates check constraint "nonempty_check" --- other syntax matches rules for tables -select ''::nonempty; -ERROR: value for domain nonempty violates check constraint "nonempty_check" -reset search_path; --- For partitioned temp tables, ON COMMIT actions ignore storage-less --- partitioned tables. -begin; -create temp table temp_parted_oncommit (a int) - partition by list (a) on commit delete rows; -create temp table temp_parted_oncommit_1 - partition of temp_parted_oncommit - for values in (1) on commit delete rows; -insert into temp_parted_oncommit values (1); -commit; --- partitions are emptied by the previous commit -select * from temp_parted_oncommit; - a ---- -(0 rows) - -drop table temp_parted_oncommit; --- Check dependencies between ON COMMIT actions with a partitioned --- table and its partitions. Using ON COMMIT DROP on a parent removes --- the whole set. -begin; -create temp table temp_parted_oncommit_test (a int) - partition by list (a) on commit drop; -create temp table temp_parted_oncommit_test1 - partition of temp_parted_oncommit_test - for values in (1) on commit delete rows; -create temp table temp_parted_oncommit_test2 - partition of temp_parted_oncommit_test - for values in (2) on commit drop; -insert into temp_parted_oncommit_test values (1), (2); -commit; --- no relations remain in this case. -select relname from pg_class where relname ~ '^temp_parted_oncommit_test'; - relname ---------- -(0 rows) - --- Using ON COMMIT DELETE on a partitioned table does not remove --- all rows if partitions preserve their data. -begin; -create temp table temp_parted_oncommit_test (a int) - partition by list (a) on commit delete rows; -create temp table temp_parted_oncommit_test1 - partition of temp_parted_oncommit_test - for values in (1) on commit preserve rows; -create temp table temp_parted_oncommit_test2 - partition of temp_parted_oncommit_test - for values in (2) on commit drop; -insert into temp_parted_oncommit_test values (1), (2); -commit; --- Data from the remaining partition is still here as its rows are --- preserved. -select * from temp_parted_oncommit_test; - a ---- - 1 -(1 row) - --- two relations remain in this case. -select relname from pg_class where relname ~ '^temp_parted_oncommit_test' - order by relname; - relname ----------------------------- - temp_parted_oncommit_test - temp_parted_oncommit_test1 -(2 rows) - -drop table temp_parted_oncommit_test; --- Check dependencies between ON COMMIT actions with inheritance trees. --- Using ON COMMIT DROP on a parent removes the whole set. -begin; -create temp table temp_inh_oncommit_test (a int) on commit drop; -create temp table temp_inh_oncommit_test1 () - inherits(temp_inh_oncommit_test) on commit delete rows; -insert into temp_inh_oncommit_test1 values (1); -commit; --- no relations remain in this case -select relname from pg_class where relname ~ '^temp_inh_oncommit_test'; - relname ---------- -(0 rows) - --- Data on the parent is removed, and the child goes away. -begin; -create temp table temp_inh_oncommit_test (a int) on commit delete rows; -create temp table temp_inh_oncommit_test1 () - inherits(temp_inh_oncommit_test) on commit drop; -insert into temp_inh_oncommit_test1 values (1); -insert into temp_inh_oncommit_test values (1); -commit; -select * from temp_inh_oncommit_test; - a ---- -(0 rows) - --- one relation remains -select relname from pg_class where relname ~ '^temp_inh_oncommit_test'; - relname ------------------------- - temp_inh_oncommit_test -(1 row) - -drop table temp_inh_oncommit_test; --- Tests with two-phase commit --- Transactions creating objects in a temporary namespace cannot be used --- with two-phase commit. --- These cases generate errors about temporary namespace. --- Function creation -begin; -create function pg_temp.twophase_func() returns void as - $$ select '2pc_func'::text $$ language sql; -prepare transaction 'twophase_func'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- Function drop -create function pg_temp.twophase_func() returns void as - $$ select '2pc_func'::text $$ language sql; -begin; -drop function pg_temp.twophase_func(); -prepare transaction 'twophase_func'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- Operator creation -begin; -create operator pg_temp.@@ (leftarg = int4, rightarg = int4, procedure = int4mi); -prepare transaction 'twophase_operator'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- These generate errors about temporary tables. -begin; -create type pg_temp.twophase_type as (a int); -prepare transaction 'twophase_type'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects -begin; -create view pg_temp.twophase_view as select 1; -prepare transaction 'twophase_view'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects -begin; -create sequence pg_temp.twophase_seq; -prepare transaction 'twophase_sequence'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- Temporary tables cannot be used with two-phase commit. -create temp table twophase_tab (a int); -begin; -select a from twophase_tab; - a ---- -(0 rows) - -prepare transaction 'twophase_tab'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects -begin; -insert into twophase_tab values (1); -prepare transaction 'twophase_tab'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects -begin; -lock twophase_tab in access exclusive mode; -prepare transaction 'twophase_tab'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects -begin; -drop table twophase_tab; -prepare transaction 'twophase_tab'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- Corner case: current_schema may create a temporary schema if namespace --- creation is pending, so check after that. First reset the connection --- to remove the temporary namespace. -\c - -SET search_path TO 'pg_temp'; -BEGIN; -SELECT current_schema() ~ 'pg_temp' AS is_temp_schema; - is_temp_schema ----------------- - t -(1 row) - -PREPARE TRANSACTION 'twophase_search'; -ERROR: cannot PREPARE a transaction that has operated on temporary objects --- Tests to verify we recover correctly from exhausting buffer pins and --- related matters. --- use lower possible buffer limit to make the test cheaper -\c -SET temp_buffers = 100; -CREATE TEMPORARY TABLE test_temp(a int not null unique, b TEXT not null, cnt int not null); -INSERT INTO test_temp SELECT generate_series(1, 10000) as id, repeat('a', 200), 0; --- should be at least 2x as large than temp_buffers -SELECT pg_relation_size('test_temp') / current_setting('block_size')::int8 > 200; - ?column? ----------- - t -(1 row) - --- Don't want cursor names and plpgsql function lines in the error messages -\set VERBOSITY terse -/* helper function to create cursors for each page in [p_start, p_end] */ -CREATE FUNCTION test_temp_pin(p_start int, p_end int) -RETURNS void -LANGUAGE plpgsql -AS $f$ - DECLARE - cursorname text; - query text; - BEGIN - FOR i IN p_start..p_end LOOP - cursorname = 'c_'||i; - query = format($q$DECLARE %I CURSOR FOR SELECT ctid FROM test_temp WHERE ctid >= '( %s, 1)'::tid $q$, cursorname, i); - EXECUTE query; - EXECUTE 'FETCH NEXT FROM '||cursorname; - -- for test development - -- RAISE NOTICE '%: %', cursorname, query; - END LOOP; - END; -$f$; --- Test overflow of temp table buffers is handled correctly -BEGIN; --- should work, below max -SELECT test_temp_pin(0, 9); - test_temp_pin ---------------- - -(1 row) - --- should fail, too many buffers pinned -SELECT test_temp_pin(10, 105); -ERROR: no empty local buffer available -ROLLBACK; -BEGIN; --- have some working cursors to test after errors -SELECT test_temp_pin(0, 9); - test_temp_pin ---------------- - -(1 row) - -FETCH NEXT FROM c_3; - ctid -------- - (3,2) -(1 row) - --- exhaust buffer pins in subtrans, check things work after -SAVEPOINT rescue_me; -SELECT test_temp_pin(10, 105); -ERROR: no empty local buffer available -ROLLBACK TO SAVEPOINT rescue_me; --- pre-subtrans cursors continue to work -FETCH NEXT FROM c_3; - ctid -------- - (3,3) -(1 row) - --- new cursors with pins can be created after subtrans rollback -SELECT test_temp_pin(10, 94); - test_temp_pin ---------------- - -(1 row) - --- Check that read streams deal with lower number of pins available -SELECT count(*), max(a) max_a, min(a) min_a, max(cnt) max_cnt FROM test_temp; - count | max_a | min_a | max_cnt --------+-------+-------+--------- - 10000 | 10000 | 1 | 0 -(1 row) - -ROLLBACK; --- Check that temp tables with existing cursors can't be dropped. -BEGIN; -SELECT test_temp_pin(0, 1); - test_temp_pin ---------------- - -(1 row) - -DROP TABLE test_temp; -ERROR: cannot DROP TABLE "test_temp" because it is being used by active queries in this session -COMMIT; --- Check that temp tables with existing cursors can't be dropped. -BEGIN; -SELECT test_temp_pin(0, 1); - test_temp_pin ---------------- - -(1 row) - -TRUNCATE test_temp; -ERROR: cannot TRUNCATE "test_temp" because it is being used by active queries in this session -COMMIT; --- Check that temp tables that are dropped in transaction that's rolled back --- preserve buffer contents -SELECT count(*), max(a) max_a, min(a) min_a, max(cnt) max_cnt FROM test_temp; - count | max_a | min_a | max_cnt --------+-------+-------+--------- - 10000 | 10000 | 1 | 0 -(1 row) - -INSERT INTO test_temp(a, b, cnt) VALUES (-1, '', 0); -BEGIN; -INSERT INTO test_temp(a, b, cnt) VALUES (-2, '', 0); -DROP TABLE test_temp; -ROLLBACK; -SELECT count(*), max(a) max_a, min(a) min_a, max(cnt) max_cnt FROM test_temp; - count | max_a | min_a | max_cnt --------+-------+-------+--------- - 10001 | 10000 | -1 | 0 -(1 row) - --- Check that temp table drop is transactional and preserves dirty --- buffer contents -UPDATE test_temp SET cnt = cnt + 1 WHERE a = -1; -BEGIN; -DROP TABLE test_temp; -ROLLBACK; -SELECT count(*), max(a) max_a, min(a) min_a, max(cnt) max_cnt FROM test_temp; - count | max_a | min_a | max_cnt --------+-------+-------+--------- - 10001 | 10000 | -1 | 1 -(1 row) - --- Check that temp table truncation is transactional and preserves dirty --- buffer contents -UPDATE test_temp SET cnt = cnt + 1 WHERE a = -1; -BEGIN; -TRUNCATE test_temp; -ROLLBACK; -SELECT count(*), max(a) max_a, min(a) min_a, max(cnt) max_cnt FROM test_temp; - count | max_a | min_a | max_cnt --------+-------+-------+--------- - 10001 | 10000 | -1 | 2 -(1 row) - --- cleanup -DROP FUNCTION test_temp_pin(int, int); +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/domain.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/domain.out --- /tmp/cirrus-ci-build/src/test/regress/expected/domain.out 2025-06-04 16:00:28.733232000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/domain.out 2025-06-04 16:05:10.988426000 +0000 @@ -1,1422 +1,2 @@ --- --- Test domains. --- --- Test Comment / Drop -create domain domaindroptest int4; -comment on domain domaindroptest is 'About to drop this..'; -create domain dependenttypetest domaindroptest; --- fail because of dependent type -drop domain domaindroptest; -ERROR: cannot drop type domaindroptest because other objects depend on it -DETAIL: type dependenttypetest depends on type domaindroptest -HINT: Use DROP ... CASCADE to drop the dependent objects too. -drop domain domaindroptest cascade; -NOTICE: drop cascades to type dependenttypetest --- this should fail because already gone -drop domain domaindroptest cascade; -ERROR: type "domaindroptest" does not exist --- some error cases -create domain d_fail as no_such_type; -ERROR: type "no_such_type" does not exist -LINE 1: create domain d_fail as no_such_type; - ^ -create domain d_fail as int constraint cc REFERENCES this_table_not_exists(i); -ERROR: foreign key constraints not possible for domains -LINE 1: create domain d_fail as int constraint cc REFERENCES this_ta... - ^ -create domain d_fail as int4 not null no inherit; -ERROR: not-null constraints for domains cannot be marked NO INHERIT -LINE 1: create domain d_fail as int4 not null no inherit; - ^ -create domain d_fail as int4 not null null; -ERROR: conflicting NULL/NOT NULL constraints -LINE 1: create domain d_fail as int4 not null null; - ^ -create domain d_fail as int4 not null default 3 default 3; -ERROR: multiple default expressions -LINE 1: create domain d_fail as int4 not null default 3 default 3; - ^ -create domain d_fail int4 DEFAULT 3 + 'h'; -ERROR: invalid input syntax for type integer: "h" -LINE 1: create domain d_fail int4 DEFAULT 3 + 'h'; - ^ -create domain d_fail int4 collate "C"; -ERROR: collations are not supported by type integer -LINE 1: create domain d_fail int4 collate "C"; - ^ -create domain d_fail as anyelement; -ERROR: "anyelement" is not a valid base type for a domain -LINE 1: create domain d_fail as anyelement; - ^ -create domain d_fail as int4 unique; -ERROR: unique constraints not possible for domains -LINE 1: create domain d_fail as int4 unique; - ^ -create domain d_fail as int4 PRIMARY key; -ERROR: primary key constraints not possible for domains -LINE 1: create domain d_fail as int4 PRIMARY key; - ^ -create domain d_fail as int4 constraint cc generated by default as identity; -ERROR: specifying GENERATED not supported for domains -LINE 1: create domain d_fail as int4 constraint cc generated by defa... - ^ -create domain d_fail as int4 constraint cc check (values > 1) no inherit; -ERROR: check constraints for domains cannot be marked NO INHERIT -LINE 1: create domain d_fail as int4 constraint cc check (values > 1... - ^ -create domain d_fail as int4 constraint cc check (values > 1) deferrable; -ERROR: specifying constraint deferrability not supported for domains -LINE 1: ...n d_fail as int4 constraint cc check (values > 1) deferrable... - ^ --- Test domain input. --- Note: the point of checking both INSERT and COPY FROM is that INSERT --- exercises CoerceToDomain while COPY exercises domain_in. -create domain domainvarchar varchar(5); -create domain domainnumeric numeric(8,2); -create domain domainint4 int4; -create domain domaintext text; --- Test explicit coercions --- these should succeed (and truncate) -SELECT cast('123456' as domainvarchar); - domainvarchar ---------------- - 12345 -(1 row) - -SELECT cast('12345' as domainvarchar); - domainvarchar ---------------- - 12345 -(1 row) - --- Test tables using domains -create table basictest - ( testint4 domainint4 - , testtext domaintext - , testvarchar domainvarchar - , testnumeric domainnumeric - ); -INSERT INTO basictest values ('88', 'haha', 'short', '123.12'); -- Good -INSERT INTO basictest values ('88', 'haha', 'short text', '123.12'); -- Bad varchar -ERROR: value too long for type character varying(5) -INSERT INTO basictest values ('88', 'haha', 'short', '123.1212'); -- Truncate numeric --- Test copy -COPY basictest (testvarchar) FROM stdin; -- fail -ERROR: value too long for type character varying(5) -CONTEXT: COPY basictest, line 1, column testvarchar: "notsoshorttext" -COPY basictest (testvarchar) FROM stdin; -select * from basictest; - testint4 | testtext | testvarchar | testnumeric -----------+----------+-------------+------------- - 88 | haha | short | 123.12 - 88 | haha | short | 123.12 - | | short | -(3 rows) - --- check that domains inherit operations from base types -select testtext || testvarchar as concat, testnumeric + 42 as sum -from basictest; - concat | sum ------------+-------- - hahashort | 165.12 - hahashort | 165.12 - | -(3 rows) - --- check that union/case/coalesce type resolution handles domains properly -select pg_typeof(coalesce(4::domainint4, 7)); - pg_typeof ------------ - integer -(1 row) - -select pg_typeof(coalesce(4::domainint4, 7::domainint4)); - pg_typeof ------------- - domainint4 -(1 row) - -drop table basictest; -drop domain domainvarchar restrict; -drop domain domainnumeric restrict; -drop domain domainint4 restrict; -drop domain domaintext; --- Test non-error-throwing input -create domain positiveint int4 check(value > 0); -create domain weirdfloat float8 check((1 / value) < 10); -select pg_input_is_valid('1', 'positiveint'); - pg_input_is_valid -------------------- - t -(1 row) - -select pg_input_is_valid('junk', 'positiveint'); - pg_input_is_valid -------------------- - f -(1 row) - -select pg_input_is_valid('-1', 'positiveint'); - pg_input_is_valid -------------------- - f -(1 row) - -select * from pg_input_error_info('junk', 'positiveint'); - message | detail | hint | sql_error_code ------------------------------------------------+--------+------+---------------- - invalid input syntax for type integer: "junk" | | | 22P02 -(1 row) - -select * from pg_input_error_info('-1', 'positiveint'); - message | detail | hint | sql_error_code -----------------------------------------------------------------------------+--------+------+---------------- - value for domain positiveint violates check constraint "positiveint_check" | | | 23514 -(1 row) - -select * from pg_input_error_info('junk', 'weirdfloat'); - message | detail | hint | sql_error_code ---------------------------------------------------------+--------+------+---------------- - invalid input syntax for type double precision: "junk" | | | 22P02 -(1 row) - -select * from pg_input_error_info('0.01', 'weirdfloat'); - message | detail | hint | sql_error_code ---------------------------------------------------------------------------+--------+------+---------------- - value for domain weirdfloat violates check constraint "weirdfloat_check" | | | 23514 -(1 row) - --- We currently can't trap errors raised in the CHECK expression itself -select * from pg_input_error_info('0', 'weirdfloat'); -ERROR: division by zero -drop domain positiveint; -drop domain weirdfloat; --- Test domains over array types -create domain domainint4arr int4[1]; -create domain domainchar4arr varchar(4)[2][3]; -create table domarrtest - ( testint4arr domainint4arr - , testchar4arr domainchar4arr - ); -INSERT INTO domarrtest values ('{2,2}', '{{"a","b"},{"c","d"}}'); -INSERT INTO domarrtest values ('{{2,2},{2,2}}', '{{"a","b"}}'); -INSERT INTO domarrtest values ('{2,2}', '{{"a","b"},{"c","d"},{"e","f"}}'); -INSERT INTO domarrtest values ('{2,2}', '{{"a"},{"c"}}'); -INSERT INTO domarrtest values (NULL, '{{"a","b","c"},{"d","e","f"}}'); -INSERT INTO domarrtest values (NULL, '{{"toolong","b","c"},{"d","e","f"}}'); -ERROR: value too long for type character varying(4) -INSERT INTO domarrtest (testint4arr[1], testint4arr[3]) values (11,22); -select * from domarrtest; - testint4arr | testchar4arr ----------------+--------------------- - {2,2} | {{a,b},{c,d}} - {{2,2},{2,2}} | {{a,b}} - {2,2} | {{a,b},{c,d},{e,f}} - {2,2} | {{a},{c}} - | {{a,b,c},{d,e,f}} - {11,NULL,22} | -(6 rows) - -select testint4arr[1], testchar4arr[2:2] from domarrtest; - testint4arr | testchar4arr --------------+-------------- - 2 | {{c,d}} - | {} - 2 | {{c,d}} - 2 | {{c}} - | {{d,e,f}} - 11 | -(6 rows) - -select array_dims(testint4arr), array_dims(testchar4arr) from domarrtest; - array_dims | array_dims -------------+------------ - [1:2] | [1:2][1:2] - [1:2][1:2] | [1:1][1:2] - [1:2] | [1:3][1:2] - [1:2] | [1:2][1:1] - | [1:2][1:3] - [1:3] | -(6 rows) - -COPY domarrtest FROM stdin; -COPY domarrtest FROM stdin; -- fail -ERROR: value too long for type character varying(4) -CONTEXT: COPY domarrtest, line 1, column testchar4arr: "{qwerty,w,e}" -select * from domarrtest; - testint4arr | testchar4arr ----------------+--------------------- - {2,2} | {{a,b},{c,d}} - {{2,2},{2,2}} | {{a,b}} - {2,2} | {{a,b},{c,d},{e,f}} - {2,2} | {{a},{c}} - | {{a,b,c},{d,e,f}} - {11,NULL,22} | - {3,4} | {q,w,e} - | -(8 rows) - -update domarrtest set - testint4arr[1] = testint4arr[1] + 1, - testint4arr[3] = testint4arr[3] - 1 -where testchar4arr is null; -select * from domarrtest where testchar4arr is null; - testint4arr | testchar4arr -------------------+-------------- - {12,NULL,21} | - {NULL,NULL,NULL} | -(2 rows) - -drop table domarrtest; -drop domain domainint4arr restrict; -drop domain domainchar4arr restrict; -create domain dia as int[]; -select '{1,2,3}'::dia; - dia ---------- - {1,2,3} -(1 row) - -select array_dims('{1,2,3}'::dia); - array_dims ------------- - [1:3] -(1 row) - -select pg_typeof('{1,2,3}'::dia); - pg_typeof ------------ - dia -(1 row) - -select pg_typeof('{1,2,3}'::dia || 42); -- should be int[] not dia - pg_typeof ------------ - integer[] -(1 row) - -drop domain dia; --- Test domains over composites -create type comptype as (r float8, i float8); -create domain dcomptype as comptype; -create table dcomptable (d1 dcomptype unique); -insert into dcomptable values (row(1,2)::dcomptype); -insert into dcomptable values (row(3,4)::comptype); -insert into dcomptable values (row(1,2)::dcomptype); -- fail on uniqueness -ERROR: duplicate key value violates unique constraint "dcomptable_d1_key" -DETAIL: Key (d1)=((1,2)) already exists. -insert into dcomptable (d1.r) values(11); -select * from dcomptable; - d1 -------- - (1,2) - (3,4) - (11,) -(3 rows) - -select (d1).r, (d1).i, (d1).* from dcomptable; - r | i | r | i -----+---+----+--- - 1 | 2 | 1 | 2 - 3 | 4 | 3 | 4 - 11 | | 11 | -(3 rows) - -update dcomptable set d1.r = (d1).r + 1 where (d1).i > 0; -select * from dcomptable; - d1 -------- - (11,) - (2,2) - (4,4) -(3 rows) - -alter domain dcomptype add constraint c1 check ((value).r <= (value).i); -alter domain dcomptype add constraint c2 check ((value).r > (value).i); -- fail -ERROR: column "d1" of table "dcomptable" contains values that violate the new constraint -select row(2,1)::dcomptype; -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -insert into dcomptable values (row(1,2)::comptype); -insert into dcomptable values (row(2,1)::comptype); -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -insert into dcomptable (d1.r) values(99); -insert into dcomptable (d1.r, d1.i) values(99, 100); -insert into dcomptable (d1.r, d1.i) values(100, 99); -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -update dcomptable set d1.r = (d1).r + 1 where (d1).i > 0; -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -update dcomptable set d1.r = (d1).r - 1, d1.i = (d1).i + 1 where (d1).i > 0; -select * from dcomptable; - d1 ----------- - (11,) - (99,) - (1,3) - (3,5) - (0,3) - (98,101) -(6 rows) - -explain (verbose, costs off) - update dcomptable set d1.r = (d1).r - 1, d1.i = (d1).i + 1 where (d1).i > 0; - QUERY PLAN ------------------------------------------------------------------------------------------------ - Update on public.dcomptable - -> Seq Scan on public.dcomptable - Output: ROW(((d1).r - '1'::double precision), ((d1).i + '1'::double precision)), ctid - Filter: ((dcomptable.d1).i > '0'::double precision) -(4 rows) - -create rule silly as on delete to dcomptable do instead - update dcomptable set d1.r = (d1).r - 1, d1.i = (d1).i + 1 where (d1).i > 0; -\d+ dcomptable - Table "public.dcomptable" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+-----------+-----------+----------+---------+----------+--------------+------------- - d1 | dcomptype | | | | extended | | -Indexes: - "dcomptable_d1_key" UNIQUE CONSTRAINT, btree (d1) -Rules: - silly AS - ON DELETE TO dcomptable DO INSTEAD UPDATE dcomptable SET d1.r = (dcomptable.d1).r - 1::double precision, d1.i = (dcomptable.d1).i + 1::double precision - WHERE (dcomptable.d1).i > 0::double precision - -create function makedcomp(r float8, i float8) returns dcomptype -as 'select row(r, i)' language sql; -select makedcomp(1,2); - makedcomp ------------ - (1,2) -(1 row) - -select makedcomp(2,1); -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -select * from makedcomp(1,2) m; - r | i ----+--- - 1 | 2 -(1 row) - -select m, m is not null from makedcomp(1,2) m; - m | ?column? --------+---------- - (1,2) | t -(1 row) - -drop function makedcomp(float8, float8); -drop table dcomptable; -drop type comptype cascade; -NOTICE: drop cascades to type dcomptype --- check altering and dropping columns used by domain constraints -create type comptype as (r float8, i float8); -create domain dcomptype as comptype; -alter domain dcomptype add constraint c1 check ((value).r > 0); -comment on constraint c1 on domain dcomptype is 'random commentary'; -select row(0,1)::dcomptype; -- fail -ERROR: value for domain dcomptype violates check constraint "c1" -alter type comptype alter attribute r type varchar; -- fail -ERROR: operator does not exist: character varying > double precision -HINT: No operator matches the given name and argument types. You might need to add explicit type casts. -alter type comptype alter attribute r type bigint; -alter type comptype drop attribute r; -- fail -ERROR: cannot drop column r of composite type comptype because other objects depend on it -DETAIL: constraint c1 depends on column r of composite type comptype -HINT: Use DROP ... CASCADE to drop the dependent objects too. -alter type comptype drop attribute i; -select conname, obj_description(oid, 'pg_constraint') from pg_constraint - where contypid = 'dcomptype'::regtype; -- check comment is still there - conname | obj_description ----------+------------------- - c1 | random commentary -(1 row) - -drop type comptype cascade; -NOTICE: drop cascades to type dcomptype --- Test domains over arrays of composite -create type comptype as (r float8, i float8); -create domain dcomptypea as comptype[]; -create table dcomptable (d1 dcomptypea unique); -insert into dcomptable values (array[row(1,2)]::dcomptypea); -insert into dcomptable values (array[row(3,4), row(5,6)]::comptype[]); -insert into dcomptable values (array[row(7,8)::comptype, row(9,10)::comptype]); -insert into dcomptable values (array[row(1,2)]::dcomptypea); -- fail on uniqueness -ERROR: duplicate key value violates unique constraint "dcomptable_d1_key" -DETAIL: Key (d1)=({"(1,2)"}) already exists. -insert into dcomptable (d1[1]) values(row(9,10)); -insert into dcomptable (d1[1].r) values(11); -select * from dcomptable; - d1 --------------------- - {"(1,2)"} - {"(3,4)","(5,6)"} - {"(7,8)","(9,10)"} - {"(9,10)"} - {"(11,)"} -(5 rows) - -select d1[2], d1[1].r, d1[1].i from dcomptable; - d1 | r | i ---------+----+---- - | 1 | 2 - (5,6) | 3 | 4 - (9,10) | 7 | 8 - | 9 | 10 - | 11 | -(5 rows) - -update dcomptable set d1[2] = row(d1[2].i, d1[2].r); -select * from dcomptable; - d1 --------------------- - {"(1,2)","(,)"} - {"(3,4)","(6,5)"} - {"(7,8)","(10,9)"} - {"(9,10)","(,)"} - {"(11,)","(,)"} -(5 rows) - -update dcomptable set d1[1].r = d1[1].r + 1 where d1[1].i > 0; -select * from dcomptable; - d1 --------------------- - {"(11,)","(,)"} - {"(2,2)","(,)"} - {"(4,4)","(6,5)"} - {"(8,8)","(10,9)"} - {"(10,10)","(,)"} -(5 rows) - -alter domain dcomptypea add constraint c1 check (value[1].r <= value[1].i); -alter domain dcomptypea add constraint c2 check (value[1].r > value[1].i); -- fail -ERROR: column "d1" of table "dcomptable" contains values that violate the new constraint -select array[row(2,1)]::dcomptypea; -- fail -ERROR: value for domain dcomptypea violates check constraint "c1" -insert into dcomptable values (array[row(1,2)]::comptype[]); -insert into dcomptable values (array[row(2,1)]::comptype[]); -- fail -ERROR: value for domain dcomptypea violates check constraint "c1" -insert into dcomptable (d1[1].r) values(99); -insert into dcomptable (d1[1].r, d1[1].i) values(99, 100); -insert into dcomptable (d1[1].r, d1[1].i) values(100, 99); -- fail -ERROR: value for domain dcomptypea violates check constraint "c1" -update dcomptable set d1[1].r = d1[1].r + 1 where d1[1].i > 0; -- fail -ERROR: value for domain dcomptypea violates check constraint "c1" -update dcomptable set d1[1].r = d1[1].r - 1, d1[1].i = d1[1].i + 1 - where d1[1].i > 0; -select * from dcomptable; - d1 --------------------- - {"(11,)","(,)"} - {"(99,)"} - {"(1,3)","(,)"} - {"(3,5)","(6,5)"} - {"(7,9)","(10,9)"} - {"(9,11)","(,)"} - {"(0,3)"} - {"(98,101)"} -(8 rows) - -explain (verbose, costs off) - update dcomptable set d1[1].r = d1[1].r - 1, d1[1].i = d1[1].i + 1 - where d1[1].i > 0; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------- - Update on public.dcomptable - -> Seq Scan on public.dcomptable - Output: (d1[1].r := (d1[1].r - '1'::double precision))[1].i := (d1[1].i + '1'::double precision), ctid - Filter: (dcomptable.d1[1].i > '0'::double precision) -(4 rows) - -create rule silly as on delete to dcomptable do instead - update dcomptable set d1[1].r = d1[1].r - 1, d1[1].i = d1[1].i + 1 - where d1[1].i > 0; -\d+ dcomptable - Table "public.dcomptable" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+------------+-----------+----------+---------+----------+--------------+------------- - d1 | dcomptypea | | | | extended | | -Indexes: - "dcomptable_d1_key" UNIQUE CONSTRAINT, btree (d1) -Rules: - silly AS - ON DELETE TO dcomptable DO INSTEAD UPDATE dcomptable SET d1[1].r = dcomptable.d1[1].r - 1::double precision, d1[1].i = dcomptable.d1[1].i + 1::double precision - WHERE dcomptable.d1[1].i > 0::double precision - -drop table dcomptable; -drop type comptype cascade; -NOTICE: drop cascades to type dcomptypea --- Test arrays over domains -create domain posint as int check (value > 0); -create table pitable (f1 posint[]); -insert into pitable values(array[42]); -insert into pitable values(array[-1]); -- fail -ERROR: value for domain posint violates check constraint "posint_check" -insert into pitable values('{0}'); -- fail -ERROR: value for domain posint violates check constraint "posint_check" -LINE 1: insert into pitable values('{0}'); - ^ -update pitable set f1[1] = f1[1] + 1; -update pitable set f1[1] = 0; -- fail -ERROR: value for domain posint violates check constraint "posint_check" -select * from pitable; - f1 ------- - {43} -(1 row) - -drop table pitable; -create domain vc4 as varchar(4); -create table vc4table (f1 vc4[]); -insert into vc4table values(array['too long']); -- fail -ERROR: value too long for type character varying(4) -insert into vc4table values(array['too long']::vc4[]); -- cast truncates -select * from vc4table; - f1 ----------- - {"too "} -(1 row) - -drop table vc4table; -drop type vc4; --- You can sort of fake arrays-of-arrays by putting a domain in between -create domain dposinta as posint[]; -create table dposintatable (f1 dposinta[]); -insert into dposintatable values(array[array[42]]); -- fail -ERROR: column "f1" is of type dposinta[] but expression is of type integer[] -LINE 1: insert into dposintatable values(array[array[42]]); - ^ -HINT: You will need to rewrite or cast the expression. -insert into dposintatable values(array[array[42]::posint[]]); -- still fail -ERROR: column "f1" is of type dposinta[] but expression is of type posint[] -LINE 1: insert into dposintatable values(array[array[42]::posint[]])... - ^ -HINT: You will need to rewrite or cast the expression. -insert into dposintatable values(array[array[42]::dposinta]); -- but this works -select f1, f1[1], (f1[1])[1] from dposintatable; - f1 | f1 | f1 -----------+------+---- - {"{42}"} | {42} | 42 -(1 row) - -select pg_typeof(f1) from dposintatable; - pg_typeof ------------- - dposinta[] -(1 row) - -select pg_typeof(f1[1]) from dposintatable; - pg_typeof ------------ - dposinta -(1 row) - -select pg_typeof(f1[1][1]) from dposintatable; - pg_typeof ------------ - dposinta -(1 row) - -select pg_typeof((f1[1])[1]) from dposintatable; - pg_typeof ------------ - posint -(1 row) - -update dposintatable set f1[2] = array[99]; -select f1, f1[1], (f1[2])[1] from dposintatable; - f1 | f1 | f1 ------------------+------+---- - {"{42}","{99}"} | {42} | 99 -(1 row) - --- it'd be nice if you could do something like this, but for now you can't: -update dposintatable set f1[2][1] = array[97]; -ERROR: wrong number of array subscripts --- maybe someday we can make this syntax work: -update dposintatable set (f1[2])[1] = array[98]; -ERROR: syntax error at or near "[" -LINE 1: update dposintatable set (f1[2])[1] = array[98]; - ^ -drop table dposintatable; -drop domain posint cascade; -NOTICE: drop cascades to type dposinta --- Test arrays over domains of composite -create type comptype as (cf1 int, cf2 int); -create domain dcomptype as comptype check ((value).cf1 > 0); -create table dcomptable (f1 dcomptype[]); -insert into dcomptable values (null); -update dcomptable set f1[1].cf2 = 5; -table dcomptable; - f1 ----------- - {"(,5)"} -(1 row) - -update dcomptable set f1[1].cf1 = -1; -- fail -ERROR: value for domain dcomptype violates check constraint "dcomptype_check" -update dcomptable set f1[1].cf1 = 1; -table dcomptable; - f1 ------------ - {"(1,5)"} -(1 row) - --- if there's no constraints, a different code path is taken: -alter domain dcomptype drop constraint dcomptype_check; -update dcomptable set f1[1].cf1 = -1; -- now ok -table dcomptable; - f1 ------------- - {"(-1,5)"} -(1 row) - -drop table dcomptable; -drop type comptype cascade; -NOTICE: drop cascades to type dcomptype --- Test not-null restrictions -create domain dnotnull varchar(15) NOT NULL; -create domain dnull varchar(15); -create domain dcheck varchar(15) NOT NULL CHECK (VALUE = 'a' OR VALUE = 'c' OR VALUE = 'd'); -create table nulltest - ( col1 dnotnull - , col2 dnotnull NULL -- NOT NULL in the domain cannot be overridden - , col3 dnull NOT NULL - , col4 dnull - , col5 dcheck CHECK (col5 IN ('c', 'd')) - ); -INSERT INTO nulltest DEFAULT VALUES; -ERROR: domain dnotnull does not allow null values -INSERT INTO nulltest values ('a', 'b', 'c', 'd', 'c'); -- Good -insert into nulltest values ('a', 'b', 'c', 'd', NULL); -ERROR: domain dcheck does not allow null values -insert into nulltest values ('a', 'b', 'c', 'd', 'a'); -ERROR: new row for relation "nulltest" violates check constraint "nulltest_col5_check" -DETAIL: Failing row contains (a, b, c, d, a). -INSERT INTO nulltest values (NULL, 'b', 'c', 'd', 'd'); -ERROR: domain dnotnull does not allow null values -INSERT INTO nulltest values ('a', NULL, 'c', 'd', 'c'); -ERROR: domain dnotnull does not allow null values -INSERT INTO nulltest values ('a', 'b', NULL, 'd', 'c'); -ERROR: null value in column "col3" of relation "nulltest" violates not-null constraint -DETAIL: Failing row contains (a, b, null, d, c). -INSERT INTO nulltest values ('a', 'b', 'c', NULL, 'd'); -- Good --- Test copy -COPY nulltest FROM stdin; --fail -ERROR: null value in column "col3" of relation "nulltest" violates not-null constraint -DETAIL: Failing row contains (a, b, null, d, d). -CONTEXT: COPY nulltest, line 1: "a b \N d d" -COPY nulltest FROM stdin; --fail -ERROR: domain dcheck does not allow null values -CONTEXT: COPY nulltest, line 1, column col5: null input --- Last row is bad -COPY nulltest FROM stdin; -ERROR: new row for relation "nulltest" violates check constraint "nulltest_col5_check" -DETAIL: Failing row contains (a, b, c, null, a). -CONTEXT: COPY nulltest, line 3: "a b c \N a" -select * from nulltest; - col1 | col2 | col3 | col4 | col5 -------+------+------+------+------ - a | b | c | d | c - a | b | c | | d -(2 rows) - --- Test out coerced (casted) constraints -SELECT cast('1' as dnotnull); - dnotnull ----------- - 1 -(1 row) - -SELECT cast(NULL as dnotnull); -- fail -ERROR: domain dnotnull does not allow null values -SELECT cast(cast(NULL as dnull) as dnotnull); -- fail -ERROR: domain dnotnull does not allow null values -SELECT cast(col4 as dnotnull) from nulltest; -- fail -ERROR: domain dnotnull does not allow null values --- cleanup -drop table nulltest; -drop domain dnotnull restrict; -drop domain dnull restrict; -drop domain dcheck restrict; -create domain ddef1 int4 DEFAULT 3; -create domain ddef2 oid DEFAULT '12'; --- Type mixing, function returns int8 -create domain ddef3 text DEFAULT 5; -create sequence ddef4_seq; -create domain ddef4 int4 DEFAULT nextval('ddef4_seq'); -create domain ddef5 numeric(8,2) NOT NULL DEFAULT '12.12'; -create table defaulttest - ( col1 ddef1 - , col2 ddef2 - , col3 ddef3 - , col4 ddef4 PRIMARY KEY - , col5 ddef1 NOT NULL DEFAULT NULL - , col6 ddef2 DEFAULT '88' - , col7 ddef4 DEFAULT 8000 - , col8 ddef5 - ); -insert into defaulttest(col4) values(0); -- fails, col5 defaults to null -ERROR: null value in column "col5" of relation "defaulttest" violates not-null constraint -DETAIL: Failing row contains (3, 12, 5, 0, null, 88, 8000, 12.12). -alter table defaulttest alter column col5 drop default; -insert into defaulttest default values; -- succeeds, inserts domain default --- We used to treat SET DEFAULT NULL as equivalent to DROP DEFAULT; wrong -alter table defaulttest alter column col5 set default null; -insert into defaulttest(col4) values(0); -- fails -ERROR: null value in column "col5" of relation "defaulttest" violates not-null constraint -DETAIL: Failing row contains (3, 12, 5, 0, null, 88, 8000, 12.12). -alter table defaulttest alter column col5 drop default; -insert into defaulttest default values; -insert into defaulttest default values; --- Test defaults with copy -COPY defaulttest(col5) FROM stdin; -select * from defaulttest; - col1 | col2 | col3 | col4 | col5 | col6 | col7 | col8 -------+------+------+------+------+------+------+------- - 3 | 12 | 5 | 1 | 3 | 88 | 8000 | 12.12 - 3 | 12 | 5 | 2 | 3 | 88 | 8000 | 12.12 - 3 | 12 | 5 | 3 | 3 | 88 | 8000 | 12.12 - 3 | 12 | 5 | 4 | 42 | 88 | 8000 | 12.12 -(4 rows) - -drop table defaulttest cascade; --- Test ALTER DOMAIN .. NOT NULL -create domain dnotnulltest integer; -create table domnotnull -( col1 dnotnulltest -, col2 dnotnulltest -); -insert into domnotnull default values; -alter domain dnotnulltest set not null; -- fails -ERROR: column "col1" of table "domnotnull" contains null values -update domnotnull set col1 = 5; -alter domain dnotnulltest set not null; -- fails -ERROR: column "col2" of table "domnotnull" contains null values -update domnotnull set col2 = 6; -alter domain dnotnulltest set not null; -update domnotnull set col1 = null; -- fails -ERROR: domain dnotnulltest does not allow null values -alter domain dnotnulltest drop not null; -update domnotnull set col1 = null; -update domnotnull set col1 = 5; --- these constraints can also be added and removed by name -alter domain dnotnulltest add constraint dnotnulltest_notnull not null; -update domnotnull set col1 = null; -- fails -ERROR: domain dnotnulltest does not allow null values -select conname, pg_get_constraintdef(oid) from pg_constraint - where contypid = 'dnotnulltest'::regtype; - conname | pg_get_constraintdef -----------------------+---------------------- - dnotnulltest_notnull | NOT NULL -(1 row) - -alter domain dnotnulltest drop constraint dnotnulltest_notnull; -update domnotnull set col1 = null; -drop domain dnotnulltest cascade; -NOTICE: drop cascades to 2 other objects -DETAIL: drop cascades to column col2 of table domnotnull -drop cascades to column col1 of table domnotnull --- Test ALTER DOMAIN .. DEFAULT .. -create table domdeftest (col1 ddef1); -insert into domdeftest default values; -select * from domdeftest; - col1 ------- - 3 -(1 row) - -alter domain ddef1 set default '42'; -insert into domdeftest default values; -select * from domdeftest; - col1 ------- - 3 - 42 -(2 rows) - -alter domain ddef1 drop default; -insert into domdeftest default values; -select * from domdeftest; - col1 ------- - 3 - 42 - -(3 rows) - -drop table domdeftest; --- Test ALTER DOMAIN .. CONSTRAINT .. -create domain con as integer; -create table domcontest (col1 con); -insert into domcontest values (1); -insert into domcontest values (2); -alter domain con add constraint t check (VALUE < 1); -- fails -ERROR: column "col1" of table "domcontest" contains values that violate the new constraint -alter domain con add constraint t check (VALUE < 34); -alter domain con add check (VALUE > 0); -\dD con - List of domains - Schema | Name | Type | Collation | Nullable | Default | Check ---------+------+---------+-----------+----------+---------+-------------------------------------- - public | con | integer | | | | CHECK (VALUE > 0) CHECK (VALUE < 34) -(1 row) - -insert into domcontest values (-5); -- fails -ERROR: value for domain con violates check constraint "con_check" -insert into domcontest values (42); -- fails -ERROR: value for domain con violates check constraint "t" -insert into domcontest values (5); -alter domain con drop constraint t; -insert into domcontest values (-5); --fails -ERROR: value for domain con violates check constraint "con_check" -insert into domcontest values (42); -alter domain con drop constraint nonexistent; -ERROR: constraint "nonexistent" of domain "con" does not exist -alter domain con drop constraint if exists nonexistent; -NOTICE: constraint "nonexistent" of domain "con" does not exist, skipping --- not-null constraints -create domain connotnull integer; -create table domconnotnulltest -( col1 connotnull -, col2 connotnull -); -insert into domconnotnulltest default values; -alter domain connotnull add not null; -- fails -ERROR: column "col1" of table "domconnotnulltest" contains null values -update domconnotnulltest set col1 = 5; -alter domain connotnull add not null; -- fails -ERROR: column "col2" of table "domconnotnulltest" contains null values -update domconnotnulltest set col2 = 6; -alter domain connotnull add constraint constr1 not null; -select count(*) from pg_constraint where contypid = 'connotnull'::regtype and contype = 'n'; - count -------- - 1 -(1 row) - -alter domain connotnull add constraint constr1bis not null; -- redundant -select count(*) from pg_constraint where contypid = 'connotnull'::regtype and contype = 'n'; - count -------- - 1 -(1 row) - -\dD connotnull - List of domains - Schema | Name | Type | Collation | Nullable | Default | Check ---------+------------+---------+-----------+----------+---------+------- - public | connotnull | integer | | not null | | -(1 row) - -update domconnotnulltest set col1 = null; -- fails -ERROR: domain connotnull does not allow null values -alter domain connotnull drop constraint constr1; -update domconnotnulltest set col1 = null; -drop domain connotnull cascade; -NOTICE: drop cascades to 2 other objects -DETAIL: drop cascades to column col2 of table domconnotnulltest -drop cascades to column col1 of table domconnotnulltest -drop table domconnotnulltest; --- Test ALTER DOMAIN .. CONSTRAINT .. NOT VALID -create domain things AS INT; -CREATE TABLE thethings (stuff things); -INSERT INTO thethings (stuff) VALUES (55); -ALTER DOMAIN things ADD CONSTRAINT meow CHECK (VALUE < 11); -ERROR: column "stuff" of table "thethings" contains values that violate the new constraint -ALTER DOMAIN things ADD CONSTRAINT meow CHECK (VALUE < 11) NOT VALID; -ALTER DOMAIN things VALIDATE CONSTRAINT meow; -ERROR: column "stuff" of table "thethings" contains values that violate the new constraint -UPDATE thethings SET stuff = 10; -ALTER DOMAIN things VALIDATE CONSTRAINT meow; --- Confirm ALTER DOMAIN with RULES. -create table domtab (col1 integer); -create domain dom as integer; -create view domview as select cast(col1 as dom) from domtab; -insert into domtab (col1) values (null); -insert into domtab (col1) values (5); -select * from domview; - col1 ------- - - 5 -(2 rows) - -alter domain dom set not null; -select * from domview; -- fail -ERROR: domain dom does not allow null values -alter domain dom drop not null; -select * from domview; - col1 ------- - - 5 -(2 rows) - -alter domain dom add constraint domchkgt6 check(value > 6); -select * from domview; --fail -ERROR: value for domain dom violates check constraint "domchkgt6" -alter domain dom drop constraint domchkgt6 restrict; -select * from domview; - col1 ------- - - 5 -(2 rows) - --- cleanup -drop domain ddef1 restrict; -drop domain ddef2 restrict; -drop domain ddef3 restrict; -drop domain ddef4 restrict; -drop domain ddef5 restrict; -drop sequence ddef4_seq; --- Test domains over domains -create domain vchar4 varchar(4); -create domain dinter vchar4 check (substring(VALUE, 1, 1) = 'x'); -create domain dtop dinter check (substring(VALUE, 2, 1) = '1'); -select 'x123'::dtop; - dtop ------- - x123 -(1 row) - -select 'x1234'::dtop; -- explicit coercion should truncate - dtop ------- - x123 -(1 row) - -select 'y1234'::dtop; -- fail -ERROR: value for domain dtop violates check constraint "dinter_check" -select 'y123'::dtop; -- fail -ERROR: value for domain dtop violates check constraint "dinter_check" -select 'yz23'::dtop; -- fail -ERROR: value for domain dtop violates check constraint "dinter_check" -select 'xz23'::dtop; -- fail -ERROR: value for domain dtop violates check constraint "dtop_check" -create temp table dtest(f1 dtop); -insert into dtest values('x123'); -insert into dtest values('x1234'); -- fail, implicit coercion -ERROR: value too long for type character varying(4) -insert into dtest values('y1234'); -- fail, implicit coercion -ERROR: value too long for type character varying(4) -insert into dtest values('y123'); -- fail -ERROR: value for domain dtop violates check constraint "dinter_check" -insert into dtest values('yz23'); -- fail -ERROR: value for domain dtop violates check constraint "dinter_check" -insert into dtest values('xz23'); -- fail -ERROR: value for domain dtop violates check constraint "dtop_check" -drop table dtest; -drop domain vchar4 cascade; -NOTICE: drop cascades to 2 other objects -DETAIL: drop cascades to type dinter -drop cascades to type dtop --- Make sure that constraints of newly-added domain columns are --- enforced correctly, even if there's no default value for the new --- column. Per bug #1433 -create domain str_domain as text not null; -create table domain_test (a int, b int); -insert into domain_test values (1, 2); -insert into domain_test values (1, 2); --- should fail -alter table domain_test add column c str_domain; -ERROR: domain str_domain does not allow null values -create domain str_domain2 as text check (value <> 'foo') default 'foo'; --- should fail -alter table domain_test add column d str_domain2; -ERROR: value for domain str_domain2 violates check constraint "str_domain2_check" --- Check that domain constraints on prepared statement parameters of --- unknown type are enforced correctly. -create domain pos_int as int4 check (value > 0) not null; -prepare s1 as select $1::pos_int = 10 as "is_ten"; -execute s1(10); - is_ten --------- - t -(1 row) - -execute s1(0); -- should fail -ERROR: value for domain pos_int violates check constraint "pos_int_check" -execute s1(NULL); -- should fail -ERROR: domain pos_int does not allow null values --- Check that domain constraints on plpgsql function parameters, results, --- and local variables are enforced correctly. -create function doubledecrement(p1 pos_int) returns pos_int as $$ -declare v pos_int; -begin - return p1; -end$$ language plpgsql; -select doubledecrement(3); -- fail because of implicit null assignment -ERROR: domain pos_int does not allow null values -CONTEXT: PL/pgSQL function doubledecrement(pos_int) line 2 during statement block local variable initialization -create or replace function doubledecrement(p1 pos_int) returns pos_int as $$ -declare v pos_int := 0; -begin - return p1; -end$$ language plpgsql; -select doubledecrement(3); -- fail at initialization assignment -ERROR: value for domain pos_int violates check constraint "pos_int_check" -CONTEXT: PL/pgSQL function doubledecrement(pos_int) line 2 during statement block local variable initialization -create or replace function doubledecrement(p1 pos_int) returns pos_int as $$ -declare v pos_int := 1; -begin - v := p1 - 1; - return v - 1; -end$$ language plpgsql; -select doubledecrement(null); -- fail before call -ERROR: domain pos_int does not allow null values -select doubledecrement(0); -- fail before call -ERROR: value for domain pos_int violates check constraint "pos_int_check" -select doubledecrement(1); -- fail at assignment to v -ERROR: value for domain pos_int violates check constraint "pos_int_check" -CONTEXT: PL/pgSQL function doubledecrement(pos_int) line 4 at assignment -select doubledecrement(2); -- fail at return -ERROR: value for domain pos_int violates check constraint "pos_int_check" -CONTEXT: PL/pgSQL function doubledecrement(pos_int) while casting return value to function's return type -select doubledecrement(3); -- good - doubledecrement ------------------ - 1 -(1 row) - --- Check that ALTER DOMAIN tests columns of derived types -create domain posint as int4; --- Currently, this doesn't work for composite types, but verify it complains -create type ddtest1 as (f1 posint); -create table ddtest2(f1 ddtest1); -insert into ddtest2 values(row(-1)); -alter domain posint add constraint c1 check(value >= 0); -ERROR: cannot alter type "posint" because column "ddtest2.f1" uses it -drop table ddtest2; --- Likewise for domains within arrays of composite -create table ddtest2(f1 ddtest1[]); -insert into ddtest2 values('{(-1)}'); -alter domain posint add constraint c1 check(value >= 0); -ERROR: cannot alter type "posint" because column "ddtest2.f1" uses it -drop table ddtest2; --- Likewise for domains within domains over composite -create domain ddtest1d as ddtest1; -create table ddtest2(f1 ddtest1d); -insert into ddtest2 values('(-1)'); -alter domain posint add constraint c1 check(value >= 0); -ERROR: cannot alter type "posint" because column "ddtest2.f1" uses it -drop table ddtest2; -drop domain ddtest1d; --- Likewise for domains within domains over array of composite -create domain ddtest1d as ddtest1[]; -create table ddtest2(f1 ddtest1d); -insert into ddtest2 values('{(-1)}'); -alter domain posint add constraint c1 check(value >= 0); -ERROR: cannot alter type "posint" because column "ddtest2.f1" uses it -drop table ddtest2; -drop domain ddtest1d; --- Doesn't work for ranges, either -create type rposint as range (subtype = posint); -create table ddtest2(f1 rposint); -insert into ddtest2 values('(-1,3]'); -alter domain posint add constraint c1 check(value >= 0); -ERROR: cannot alter type "posint" because column "ddtest2.f1" uses it -drop table ddtest2; -drop type rposint; -alter domain posint add constraint c1 check(value >= 0); -create domain posint2 as posint check (value % 2 = 0); -create table ddtest2(f1 posint2); -insert into ddtest2 values(11); -- fail -ERROR: value for domain posint2 violates check constraint "posint2_check" -insert into ddtest2 values(-2); -- fail -ERROR: value for domain posint2 violates check constraint "c1" -insert into ddtest2 values(2); -alter domain posint add constraint c2 check(value >= 10); -- fail -ERROR: column "f1" of table "ddtest2" contains values that violate the new constraint -alter domain posint add constraint c2 check(value > 0); -- OK -drop table ddtest2; -drop type ddtest1; -drop domain posint cascade; -NOTICE: drop cascades to type posint2 --- --- Check enforcement of domain-related typmod in plpgsql (bug #5717) --- -create or replace function array_elem_check(numeric) returns numeric as $$ -declare - x numeric(4,2)[1]; -begin - x[1] := $1; - return x[1]; -end$$ language plpgsql; -select array_elem_check(121.00); -ERROR: numeric field overflow -DETAIL: A field with precision 4, scale 2 must round to an absolute value less than 10^2. -CONTEXT: PL/pgSQL function array_elem_check(numeric) line 5 at assignment -select array_elem_check(1.23456); - array_elem_check ------------------- - 1.23 -(1 row) - -create domain mynums as numeric(4,2)[1]; -create or replace function array_elem_check(numeric) returns numeric as $$ -declare - x mynums; -begin - x[1] := $1; - return x[1]; -end$$ language plpgsql; -select array_elem_check(121.00); -ERROR: numeric field overflow -DETAIL: A field with precision 4, scale 2 must round to an absolute value less than 10^2. -CONTEXT: PL/pgSQL function array_elem_check(numeric) line 5 at assignment -select array_elem_check(1.23456); - array_elem_check ------------------- - 1.23 -(1 row) - -create domain mynums2 as mynums; -create or replace function array_elem_check(numeric) returns numeric as $$ -declare - x mynums2; -begin - x[1] := $1; - return x[1]; -end$$ language plpgsql; -select array_elem_check(121.00); -ERROR: numeric field overflow -DETAIL: A field with precision 4, scale 2 must round to an absolute value less than 10^2. -CONTEXT: PL/pgSQL function array_elem_check(numeric) line 5 at assignment -select array_elem_check(1.23456); - array_elem_check ------------------- - 1.23 -(1 row) - -drop function array_elem_check(numeric); --- --- Check enforcement of array-level domain constraints --- -create domain orderedpair as int[2] check (value[1] < value[2]); -select array[1,2]::orderedpair; - array -------- - {1,2} -(1 row) - -select array[2,1]::orderedpair; -- fail -ERROR: value for domain orderedpair violates check constraint "orderedpair_check" -create temp table op (f1 orderedpair); -insert into op values (array[1,2]); -insert into op values (array[2,1]); -- fail -ERROR: value for domain orderedpair violates check constraint "orderedpair_check" -update op set f1[2] = 3; -update op set f1[2] = 0; -- fail -ERROR: value for domain orderedpair violates check constraint "orderedpair_check" -select * from op; - f1 -------- - {1,3} -(1 row) - -create or replace function array_elem_check(int) returns int as $$ -declare - x orderedpair := '{1,2}'; -begin - x[2] := $1; - return x[2]; -end$$ language plpgsql; -select array_elem_check(3); - array_elem_check ------------------- - 3 -(1 row) - -select array_elem_check(-1); -ERROR: value for domain orderedpair violates check constraint "orderedpair_check" -CONTEXT: PL/pgSQL function array_elem_check(integer) line 5 at assignment -drop function array_elem_check(int); --- --- Check enforcement of changing constraints in plpgsql --- -create domain di as int; -create function dom_check(int) returns di as $$ -declare d di; -begin - d := $1::di; - return d; -end -$$ language plpgsql immutable; -select dom_check(0); - dom_check ------------ - 0 -(1 row) - -alter domain di add constraint pos check (value > 0); -select dom_check(0); -- fail -ERROR: value for domain di violates check constraint "pos" -CONTEXT: PL/pgSQL function dom_check(integer) line 4 at assignment -alter domain di drop constraint pos; -select dom_check(0); - dom_check ------------ - 0 -(1 row) - --- implicit cast during assignment is a separate code path, test that too -create or replace function dom_check(int) returns di as $$ -declare d di; -begin - d := $1; - return d; -end -$$ language plpgsql immutable; -select dom_check(0); - dom_check ------------ - 0 -(1 row) - -alter domain di add constraint pos check (value > 0); -select dom_check(0); -- fail -ERROR: value for domain di violates check constraint "pos" -CONTEXT: PL/pgSQL function dom_check(integer) line 4 at assignment -alter domain di drop constraint pos; -select dom_check(0); - dom_check ------------ - 0 -(1 row) - -drop function dom_check(int); -drop domain di; --- --- Check use of a (non-inline-able) SQL function in a domain constraint; --- this has caused issues in the past --- -create function sql_is_distinct_from(anyelement, anyelement) -returns boolean language sql -as 'select $1 is distinct from $2 limit 1'; -create domain inotnull int - check (sql_is_distinct_from(value, null)); -select 1::inotnull; - inotnull ----------- - 1 -(1 row) - -select null::inotnull; -ERROR: value for domain inotnull violates check constraint "inotnull_check" -create table dom_table (x inotnull); -insert into dom_table values ('1'); -insert into dom_table values (1); -insert into dom_table values (null); -ERROR: value for domain inotnull violates check constraint "inotnull_check" -drop table dom_table; -drop domain inotnull; -drop function sql_is_distinct_from(anyelement, anyelement); --- --- Renaming --- -create domain testdomain1 as int; -alter domain testdomain1 rename to testdomain2; -alter type testdomain2 rename to testdomain3; -- alter type also works -drop domain testdomain3; --- --- Renaming domain constraints --- -create domain testdomain1 as int constraint unsigned check (value > 0); -alter domain testdomain1 rename constraint unsigned to unsigned_foo; -alter domain testdomain1 drop constraint unsigned_foo; -drop domain testdomain1; --- --- Get the base type of a domain --- -create domain mytext as text; -create domain mytext_child_1 as mytext; -select pg_basetype('mytext'::regtype); - pg_basetype -------------- - text -(1 row) - -select pg_basetype('mytext_child_1'::regtype); - pg_basetype -------------- - text -(1 row) - -select pg_basetype(1); -- expect NULL not error - pg_basetype -------------- - -(1 row) - -drop domain mytext cascade; -NOTICE: drop cascades to type mytext_child_1 --- --- Explicit enforceability specification not allowed ---- -CREATE DOMAIN constraint_enforced_dom AS int CONSTRAINT the_constraint CHECK (value > 0) ENFORCED; -ERROR: specifying constraint enforceability not supported for domains -LINE 1: ...AS int CONSTRAINT the_constraint CHECK (value > 0) ENFORCED; - ^ -CREATE DOMAIN constraint_not_enforced_dom AS int CONSTRAINT the_constraint CHECK (value > 0) NOT ENFORCED; -ERROR: specifying constraint enforceability not supported for domains -LINE 1: ...S int CONSTRAINT the_constraint CHECK (value > 0) NOT ENFORC... - ^ -CREATE DOMAIN constraint_enforced_dom AS int; --- XXX misleading error messages -ALTER DOMAIN constraint_enforced_dom ADD CONSTRAINT the_constraint CHECK (value > 0) ENFORCED; -ERROR: CHECK constraints cannot be marked ENFORCED -LINE 1: ...om ADD CONSTRAINT the_constraint CHECK (value > 0) ENFORCED; - ^ -ALTER DOMAIN constraint_enforced_dom ADD CONSTRAINT the_constraint CHECK (value > 0) NOT ENFORCED; -ERROR: CHECK constraints cannot be marked NOT ENFORCED -LINE 1: ...m ADD CONSTRAINT the_constraint CHECK (value > 0) NOT ENFORC... - ^ -DROP DOMAIN constraint_enforced_dom; --- --- Information schema --- -SELECT * FROM information_schema.column_domain_usage - WHERE domain_name IN ('con', 'dom', 'pos_int', 'things') - ORDER BY domain_name; - domain_catalog | domain_schema | domain_name | table_catalog | table_schema | table_name | column_name -----------------+---------------+-------------+---------------+--------------+------------+------------- - regression | public | con | regression | public | domcontest | col1 - regression | public | dom | regression | public | domview | col1 - regression | public | things | regression | public | thethings | stuff -(3 rows) - -SELECT * FROM information_schema.domain_constraints - WHERE domain_name IN ('con', 'dom', 'pos_int', 'things') - ORDER BY constraint_name; - constraint_catalog | constraint_schema | constraint_name | domain_catalog | domain_schema | domain_name | is_deferrable | initially_deferred ---------------------+-------------------+------------------+----------------+---------------+-------------+---------------+-------------------- - regression | public | con_check | regression | public | con | NO | NO - regression | public | meow | regression | public | things | NO | NO - regression | public | pos_int_check | regression | public | pos_int | NO | NO - regression | public | pos_int_not_null | regression | public | pos_int | NO | NO -(4 rows) - -SELECT * FROM information_schema.domains - WHERE domain_name IN ('con', 'dom', 'pos_int', 'things') - ORDER BY domain_name; - domain_catalog | domain_schema | domain_name | data_type | character_maximum_length | character_octet_length | character_set_catalog | character_set_schema | character_set_name | collation_catalog | collation_schema | collation_name | numeric_precision | numeric_precision_radix | numeric_scale | datetime_precision | interval_type | interval_precision | domain_default | udt_catalog | udt_schema | udt_name | scope_catalog | scope_schema | scope_name | maximum_cardinality | dtd_identifier -----------------+---------------+-------------+-----------+--------------------------+------------------------+-----------------------+----------------------+--------------------+-------------------+------------------+----------------+-------------------+-------------------------+---------------+--------------------+---------------+--------------------+----------------+-------------+------------+----------+---------------+--------------+------------+---------------------+---------------- - regression | public | con | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1 - regression | public | dom | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1 - regression | public | pos_int | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1 - regression | public | things | integer | | | | | | | | | 32 | 2 | 0 | | | | | regression | pg_catalog | int4 | | | | | 1 -(4 rows) - -SELECT * FROM information_schema.check_constraints - WHERE (constraint_schema, constraint_name) - IN (SELECT constraint_schema, constraint_name - FROM information_schema.domain_constraints - WHERE domain_name IN ('con', 'dom', 'pos_int', 'things')) - ORDER BY constraint_name; - constraint_catalog | constraint_schema | constraint_name | check_clause ---------------------+-------------------+------------------+------------------- - regression | public | con_check | (VALUE > 0) - regression | public | meow | (VALUE < 11) - regression | public | pos_int_check | (VALUE > 0) - regression | public | pos_int_not_null | VALUE IS NOT NULL -(4 rows) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/rangefuncs.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/rangefuncs.out --- /tmp/cirrus-ci-build/src/test/regress/expected/rangefuncs.out 2025-06-04 16:00:28.781221000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/rangefuncs.out 2025-06-04 16:05:10.993906000 +0000 @@ -1,2503 +1,2 @@ -CREATE TABLE rngfunc2(rngfuncid int, f2 int); -INSERT INTO rngfunc2 VALUES(1, 11); -INSERT INTO rngfunc2 VALUES(2, 22); -INSERT INTO rngfunc2 VALUES(1, 111); -CREATE FUNCTION rngfunct(int) returns setof rngfunc2 as 'SELECT * FROM rngfunc2 WHERE rngfuncid = $1 ORDER BY f2;' LANGUAGE SQL; --- function with ORDINALITY -select * from rngfunct(1) with ordinality as z(a,b,ord); - a | b | ord ----+-----+----- - 1 | 11 | 1 - 1 | 111 | 2 -(2 rows) - -select * from rngfunct(1) with ordinality as z(a,b,ord) where b > 100; -- ordinal 2, not 1 - a | b | ord ----+-----+----- - 1 | 111 | 2 -(1 row) - --- ordinality vs. column names and types -select a,b,ord from rngfunct(1) with ordinality as z(a,b,ord); - a | b | ord ----+-----+----- - 1 | 11 | 1 - 1 | 111 | 2 -(2 rows) - -select a,ord from unnest(array['a','b']) with ordinality as z(a,ord); - a | ord ----+----- - a | 1 - b | 2 -(2 rows) - -select * from unnest(array['a','b']) with ordinality as z(a,ord); - a | ord ----+----- - a | 1 - b | 2 -(2 rows) - -select a,ord from unnest(array[1.0::float8]) with ordinality as z(a,ord); - a | ord ----+----- - 1 | 1 -(1 row) - -select * from unnest(array[1.0::float8]) with ordinality as z(a,ord); - a | ord ----+----- - 1 | 1 -(1 row) - -select row_to_json(s.*) from generate_series(11,14) with ordinality s; - row_to_json -------------------------- - {"s":11,"ordinality":1} - {"s":12,"ordinality":2} - {"s":13,"ordinality":3} - {"s":14,"ordinality":4} -(4 rows) - --- ordinality vs. views -create temporary view vw_ord as select * from (values (1)) v(n) join rngfunct(1) with ordinality as z(a,b,ord) on (n=ord); -select * from vw_ord; - n | a | b | ord ----+---+----+----- - 1 | 1 | 11 | 1 -(1 row) - -select definition from pg_views where viewname='vw_ord'; - definition -------------------------------------------------------------------------- - SELECT v.n, + - z.a, + - z.b, + - z.ord + - FROM (( VALUES (1)) v(n) + - JOIN rngfunct(1) WITH ORDINALITY z(a, b, ord) ON ((v.n = z.ord))); -(1 row) - -drop view vw_ord; --- multiple functions -select * from rows from(rngfunct(1),rngfunct(2)) with ordinality as z(a,b,c,d,ord); - a | b | c | d | ord ----+-----+---+----+----- - 1 | 11 | 2 | 22 | 1 - 1 | 111 | | | 2 -(2 rows) - -create temporary view vw_ord as select * from (values (1)) v(n) join rows from(rngfunct(1),rngfunct(2)) with ordinality as z(a,b,c,d,ord) on (n=ord); -select * from vw_ord; - n | a | b | c | d | ord ----+---+----+---+----+----- - 1 | 1 | 11 | 2 | 22 | 1 -(1 row) - -select definition from pg_views where viewname='vw_ord'; - definition -------------------------------------------------------------------------------------------------------- - SELECT v.n, + - z.a, + - z.b, + - z.c, + - z.d, + - z.ord + - FROM (( VALUES (1)) v(n) + - JOIN ROWS FROM(rngfunct(1), rngfunct(2)) WITH ORDINALITY z(a, b, c, d, ord) ON ((v.n = z.ord))); -(1 row) - -drop view vw_ord; --- expansions of unnest() -select * from unnest(array[10,20],array['foo','bar'],array[1.0]); - unnest | unnest | unnest ---------+--------+-------- - 10 | foo | 1.0 - 20 | bar | -(2 rows) - -select * from unnest(array[10,20],array['foo','bar'],array[1.0]) with ordinality as z(a,b,c,ord); - a | b | c | ord -----+-----+-----+----- - 10 | foo | 1.0 | 1 - 20 | bar | | 2 -(2 rows) - -select * from rows from(unnest(array[10,20],array['foo','bar'],array[1.0])) with ordinality as z(a,b,c,ord); - a | b | c | ord -----+-----+-----+----- - 10 | foo | 1.0 | 1 - 20 | bar | | 2 -(2 rows) - -select * from rows from(unnest(array[10,20],array['foo','bar']), generate_series(101,102)) with ordinality as z(a,b,c,ord); - a | b | c | ord -----+-----+-----+----- - 10 | foo | 101 | 1 - 20 | bar | 102 | 2 -(2 rows) - -create temporary view vw_ord as select * from unnest(array[10,20],array['foo','bar'],array[1.0]) as z(a,b,c); -select * from vw_ord; - a | b | c -----+-----+----- - 10 | foo | 1.0 - 20 | bar | -(2 rows) - -select definition from pg_views where viewname='vw_ord'; - definition ----------------------------------------------------------------------------------------- - SELECT a, + - b, + - c + - FROM UNNEST(ARRAY[10, 20], ARRAY['foo'::text, 'bar'::text], ARRAY[1.0]) z(a, b, c); -(1 row) - -drop view vw_ord; -create temporary view vw_ord as select * from rows from(unnest(array[10,20],array['foo','bar'],array[1.0])) as z(a,b,c); -select * from vw_ord; - a | b | c -----+-----+----- - 10 | foo | 1.0 - 20 | bar | -(2 rows) - -select definition from pg_views where viewname='vw_ord'; - definition ----------------------------------------------------------------------------------------- - SELECT a, + - b, + - c + - FROM UNNEST(ARRAY[10, 20], ARRAY['foo'::text, 'bar'::text], ARRAY[1.0]) z(a, b, c); -(1 row) - -drop view vw_ord; -create temporary view vw_ord as select * from rows from(unnest(array[10,20],array['foo','bar']), generate_series(1,2)) as z(a,b,c); -select * from vw_ord; - a | b | c -----+-----+--- - 10 | foo | 1 - 20 | bar | 2 -(2 rows) - -select definition from pg_views where viewname='vw_ord'; - definition ----------------------------------------------------------------------------------------------------------------------- - SELECT a, + - b, + - c + - FROM ROWS FROM(unnest(ARRAY[10, 20]), unnest(ARRAY['foo'::text, 'bar'::text]), generate_series(1, 2)) z(a, b, c); -(1 row) - -drop view vw_ord; --- ordinality and multiple functions vs. rewind and reverse scan -begin; -declare rf_cur scroll cursor for select * from rows from(generate_series(1,5),generate_series(1,2)) with ordinality as g(i,j,o); -fetch all from rf_cur; - i | j | o ----+---+--- - 1 | 1 | 1 - 2 | 2 | 2 - 3 | | 3 - 4 | | 4 - 5 | | 5 -(5 rows) - -fetch backward all from rf_cur; - i | j | o ----+---+--- - 5 | | 5 - 4 | | 4 - 3 | | 3 - 2 | 2 | 2 - 1 | 1 | 1 -(5 rows) - -fetch all from rf_cur; - i | j | o ----+---+--- - 1 | 1 | 1 - 2 | 2 | 2 - 3 | | 3 - 4 | | 4 - 5 | | 5 -(5 rows) - -fetch next from rf_cur; - i | j | o ----+---+--- -(0 rows) - -fetch next from rf_cur; - i | j | o ----+---+--- -(0 rows) - -fetch prior from rf_cur; - i | j | o ----+---+--- - 5 | | 5 -(1 row) - -fetch absolute 1 from rf_cur; - i | j | o ----+---+--- - 1 | 1 | 1 -(1 row) - -fetch next from rf_cur; - i | j | o ----+---+--- - 2 | 2 | 2 -(1 row) - -fetch next from rf_cur; - i | j | o ----+---+--- - 3 | | 3 -(1 row) - -fetch next from rf_cur; - i | j | o ----+---+--- - 4 | | 4 -(1 row) - -fetch prior from rf_cur; - i | j | o ----+---+--- - 3 | | 3 -(1 row) - -fetch prior from rf_cur; - i | j | o ----+---+--- - 2 | 2 | 2 -(1 row) - -fetch prior from rf_cur; - i | j | o ----+---+--- - 1 | 1 | 1 -(1 row) - -commit; --- function with implicit LATERAL -select * from rngfunc2, rngfunct(rngfunc2.rngfuncid) z where rngfunc2.f2 = z.f2; - rngfuncid | f2 | rngfuncid | f2 ------------+-----+-----------+----- - 1 | 11 | 1 | 11 - 2 | 22 | 2 | 22 - 1 | 111 | 1 | 111 -(3 rows) - --- function with implicit LATERAL and explicit ORDINALITY -select * from rngfunc2, rngfunct(rngfunc2.rngfuncid) with ordinality as z(rngfuncid,f2,ord) where rngfunc2.f2 = z.f2; - rngfuncid | f2 | rngfuncid | f2 | ord ------------+-----+-----------+-----+----- - 1 | 11 | 1 | 11 | 1 - 2 | 22 | 2 | 22 | 1 - 1 | 111 | 1 | 111 | 2 -(3 rows) - --- function in subselect -select * from rngfunc2 where f2 in (select f2 from rngfunct(rngfunc2.rngfuncid) z where z.rngfuncid = rngfunc2.rngfuncid) ORDER BY 1,2; - rngfuncid | f2 ------------+----- - 1 | 11 - 1 | 111 - 2 | 22 -(3 rows) - --- function in subselect -select * from rngfunc2 where f2 in (select f2 from rngfunct(1) z where z.rngfuncid = rngfunc2.rngfuncid) ORDER BY 1,2; - rngfuncid | f2 ------------+----- - 1 | 11 - 1 | 111 -(2 rows) - --- function in subselect -select * from rngfunc2 where f2 in (select f2 from rngfunct(rngfunc2.rngfuncid) z where z.rngfuncid = 1) ORDER BY 1,2; - rngfuncid | f2 ------------+----- - 1 | 11 - 1 | 111 -(2 rows) - --- nested functions -select rngfunct.rngfuncid, rngfunct.f2 from rngfunct(sin(pi()/2)::int) ORDER BY 1,2; - rngfuncid | f2 ------------+----- - 1 | 11 - 1 | 111 -(2 rows) - -CREATE TABLE rngfunc (rngfuncid int, rngfuncsubid int, rngfuncname text, primary key(rngfuncid,rngfuncsubid)); -INSERT INTO rngfunc VALUES(1,1,'Joe'); -INSERT INTO rngfunc VALUES(1,2,'Ed'); -INSERT INTO rngfunc VALUES(2,1,'Mary'); --- sql, proretset = f, prorettype = b -CREATE FUNCTION getrngfunc1(int) RETURNS int AS 'SELECT $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc1(1) AS t1; - t1 ----- - 1 -(1 row) - -SELECT * FROM getrngfunc1(1) WITH ORDINALITY AS t1(v,o); - v | o ----+--- - 1 | 1 -(1 row) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc1(1); -SELECT * FROM vw_getrngfunc; - getrngfunc1 -------------- - 1 -(1 row) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc1(1) WITH ORDINALITY as t1(v,o); -SELECT * FROM vw_getrngfunc; - v | o ----+--- - 1 | 1 -(1 row) - -DROP VIEW vw_getrngfunc; --- sql, proretset = t, prorettype = b -CREATE FUNCTION getrngfunc2(int) RETURNS setof int AS 'SELECT rngfuncid FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc2(1) AS t1; - t1 ----- - 1 - 1 -(2 rows) - -SELECT * FROM getrngfunc2(1) WITH ORDINALITY AS t1(v,o); - v | o ----+--- - 1 | 1 - 1 | 2 -(2 rows) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc2(1); -SELECT * FROM vw_getrngfunc; - getrngfunc2 -------------- - 1 - 1 -(2 rows) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc2(1) WITH ORDINALITY AS t1(v,o); -SELECT * FROM vw_getrngfunc; - v | o ----+--- - 1 | 1 - 1 | 2 -(2 rows) - -DROP VIEW vw_getrngfunc; --- sql, proretset = t, prorettype = b -CREATE FUNCTION getrngfunc3(int) RETURNS setof text AS 'SELECT rngfuncname FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc3(1) AS t1; - t1 ------ - Joe - Ed -(2 rows) - -SELECT * FROM getrngfunc3(1) WITH ORDINALITY AS t1(v,o); - v | o ------+--- - Joe | 1 - Ed | 2 -(2 rows) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc3(1); -SELECT * FROM vw_getrngfunc; - getrngfunc3 -------------- - Joe - Ed -(2 rows) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc3(1) WITH ORDINALITY AS t1(v,o); -SELECT * FROM vw_getrngfunc; - v | o ------+--- - Joe | 1 - Ed | 2 -(2 rows) - -DROP VIEW vw_getrngfunc; --- sql, proretset = f, prorettype = c -CREATE FUNCTION getrngfunc4(int) RETURNS rngfunc AS 'SELECT * FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc4(1) AS t1; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -SELECT * FROM getrngfunc4(1) WITH ORDINALITY AS t1(a,b,c,o); - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 -(1 row) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc4(1); -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc4(1) WITH ORDINALITY AS t1(a,b,c,o); -SELECT * FROM vw_getrngfunc; - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 -(1 row) - -DROP VIEW vw_getrngfunc; --- sql, proretset = t, prorettype = c -CREATE FUNCTION getrngfunc5(int) RETURNS setof rngfunc AS 'SELECT * FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc5(1) AS t1; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe - 1 | 2 | Ed -(2 rows) - -SELECT * FROM getrngfunc5(1) WITH ORDINALITY AS t1(a,b,c,o); - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 - 1 | 2 | Ed | 2 -(2 rows) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc5(1); -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe - 1 | 2 | Ed -(2 rows) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc5(1) WITH ORDINALITY AS t1(a,b,c,o); -SELECT * FROM vw_getrngfunc; - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 - 1 | 2 | Ed | 2 -(2 rows) - -DROP VIEW vw_getrngfunc; --- sql, proretset = f, prorettype = record -CREATE FUNCTION getrngfunc6(int) RETURNS RECORD AS 'SELECT * FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc6(1) AS t1(rngfuncid int, rngfuncsubid int, rngfuncname text); - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -SELECT * FROM ROWS FROM( getrngfunc6(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text) ) WITH ORDINALITY; - rngfuncid | rngfuncsubid | rngfuncname | ordinality ------------+--------------+-------------+------------ - 1 | 1 | Joe | 1 -(1 row) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc6(1) AS -(rngfuncid int, rngfuncsubid int, rngfuncname text); -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS - SELECT * FROM ROWS FROM( getrngfunc6(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text) ) - WITH ORDINALITY; -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname | ordinality ------------+--------------+-------------+------------ - 1 | 1 | Joe | 1 -(1 row) - -DROP VIEW vw_getrngfunc; --- sql, proretset = t, prorettype = record -CREATE FUNCTION getrngfunc7(int) RETURNS setof record AS 'SELECT * FROM rngfunc WHERE rngfuncid = $1;' LANGUAGE SQL; -SELECT * FROM getrngfunc7(1) AS t1(rngfuncid int, rngfuncsubid int, rngfuncname text); - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe - 1 | 2 | Ed -(2 rows) - -SELECT * FROM ROWS FROM( getrngfunc7(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text) ) WITH ORDINALITY; - rngfuncid | rngfuncsubid | rngfuncname | ordinality ------------+--------------+-------------+------------ - 1 | 1 | Joe | 1 - 1 | 2 | Ed | 2 -(2 rows) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc7(1) AS -(rngfuncid int, rngfuncsubid int, rngfuncname text); -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe - 1 | 2 | Ed -(2 rows) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS - SELECT * FROM ROWS FROM( getrngfunc7(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text) ) - WITH ORDINALITY; -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname | ordinality ------------+--------------+-------------+------------ - 1 | 1 | Joe | 1 - 1 | 2 | Ed | 2 -(2 rows) - -DROP VIEW vw_getrngfunc; --- plpgsql, proretset = f, prorettype = b -CREATE FUNCTION getrngfunc8(int) RETURNS int AS 'DECLARE rngfuncint int; BEGIN SELECT rngfuncid into rngfuncint FROM rngfunc WHERE rngfuncid = $1; RETURN rngfuncint; END;' LANGUAGE plpgsql; -SELECT * FROM getrngfunc8(1) AS t1; - t1 ----- - 1 -(1 row) - -SELECT * FROM getrngfunc8(1) WITH ORDINALITY AS t1(v,o); - v | o ----+--- - 1 | 1 -(1 row) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc8(1); -SELECT * FROM vw_getrngfunc; - getrngfunc8 -------------- - 1 -(1 row) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc8(1) WITH ORDINALITY AS t1(v,o); -SELECT * FROM vw_getrngfunc; - v | o ----+--- - 1 | 1 -(1 row) - -DROP VIEW vw_getrngfunc; --- plpgsql, proretset = f, prorettype = c -CREATE FUNCTION getrngfunc9(int) RETURNS rngfunc AS 'DECLARE rngfunctup rngfunc%ROWTYPE; BEGIN SELECT * into rngfunctup FROM rngfunc WHERE rngfuncid = $1; RETURN rngfunctup; END;' LANGUAGE plpgsql; -SELECT * FROM getrngfunc9(1) AS t1; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -SELECT * FROM getrngfunc9(1) WITH ORDINALITY AS t1(a,b,c,o); - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 -(1 row) - -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc9(1); -SELECT * FROM vw_getrngfunc; - rngfuncid | rngfuncsubid | rngfuncname ------------+--------------+------------- - 1 | 1 | Joe -(1 row) - -DROP VIEW vw_getrngfunc; -CREATE VIEW vw_getrngfunc AS SELECT * FROM getrngfunc9(1) WITH ORDINALITY AS t1(a,b,c,o); -SELECT * FROM vw_getrngfunc; - a | b | c | o ----+---+-----+--- - 1 | 1 | Joe | 1 -(1 row) - -DROP VIEW vw_getrngfunc; --- mix 'n match kinds, to exercise expandRTE and related logic -select * from rows from(getrngfunc1(1),getrngfunc2(1),getrngfunc3(1),getrngfunc4(1),getrngfunc5(1), - getrngfunc6(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text), - getrngfunc7(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text), - getrngfunc8(1),getrngfunc9(1)) - with ordinality as t1(a,b,c,d,e,f,g,h,i,j,k,l,m,o,p,q,r,s,t,u); - a | b | c | d | e | f | g | h | i | j | k | l | m | o | p | q | r | s | t | u ----+---+-----+---+---+-----+---+---+-----+---+---+-----+---+---+-----+---+---+---+-----+--- - 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | 1 | Joe | 1 - | 1 | Ed | | | | 1 | 2 | Ed | | | | 1 | 2 | Ed | | | | | 2 -(2 rows) - -select * from rows from(getrngfunc9(1),getrngfunc8(1), - getrngfunc7(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text), - getrngfunc6(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text), - getrngfunc5(1),getrngfunc4(1),getrngfunc3(1),getrngfunc2(1),getrngfunc1(1)) - with ordinality as t1(a,b,c,d,e,f,g,h,i,j,k,l,m,o,p,q,r,s,t,u); - a | b | c | d | e | f | g | h | i | j | k | l | m | o | p | q | r | s | t | u ----+---+-----+---+---+---+-----+---+---+-----+---+---+-----+---+---+-----+-----+---+---+--- - 1 | 1 | Joe | 1 | 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 | Joe | Joe | 1 | 1 | 1 - | | | | 1 | 2 | Ed | | | | 1 | 2 | Ed | | | | Ed | 1 | | 2 -(2 rows) - -create temporary view vw_rngfunc as - select * from rows from(getrngfunc9(1), - getrngfunc7(1) AS (rngfuncid int, rngfuncsubid int, rngfuncname text), - getrngfunc1(1)) - with ordinality as t1(a,b,c,d,e,f,g,n); -select * from vw_rngfunc; - a | b | c | d | e | f | g | n ----+---+-----+---+---+-----+---+--- - 1 | 1 | Joe | 1 | 1 | Joe | 1 | 1 - | | | 1 | 2 | Ed | | 2 -(2 rows) - -select pg_get_viewdef('vw_rngfunc'); - pg_get_viewdef ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - SELECT a, + - b, + - c, + - d, + - e, + - f, + - g, + - n + - FROM ROWS FROM(getrngfunc9(1), getrngfunc7(1) AS (rngfuncid integer, rngfuncsubid integer, rngfuncname text), getrngfunc1(1)) WITH ORDINALITY t1(a, b, c, d, e, f, g, n); -(1 row) - -drop view vw_rngfunc; -DROP FUNCTION getrngfunc1(int); -DROP FUNCTION getrngfunc2(int); -DROP FUNCTION getrngfunc3(int); -DROP FUNCTION getrngfunc4(int); -DROP FUNCTION getrngfunc5(int); -DROP FUNCTION getrngfunc6(int); -DROP FUNCTION getrngfunc7(int); -DROP FUNCTION getrngfunc8(int); -DROP FUNCTION getrngfunc9(int); -DROP FUNCTION rngfunct(int); -DROP TABLE rngfunc2; -DROP TABLE rngfunc; --- Rescan tests -- -CREATE TEMPORARY SEQUENCE rngfunc_rescan_seq1; -CREATE TEMPORARY SEQUENCE rngfunc_rescan_seq2; -CREATE TYPE rngfunc_rescan_t AS (i integer, s bigint); -CREATE FUNCTION rngfunc_sql(int,int) RETURNS setof rngfunc_rescan_t AS 'SELECT i, nextval(''rngfunc_rescan_seq1'') FROM generate_series($1,$2) i;' LANGUAGE SQL; --- plpgsql functions use materialize mode -CREATE FUNCTION rngfunc_mat(int,int) RETURNS setof rngfunc_rescan_t AS 'begin for i in $1..$2 loop return next (i, nextval(''rngfunc_rescan_seq2'')); end loop; end;' LANGUAGE plpgsql; ---invokes ExecReScanFunctionScan - all these cases should materialize the function only once --- LEFT JOIN on a condition that the planner can't prove to be true is used to ensure the function --- is on the inner path of a nestloop join -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN rngfunc_sql(11,13) ON (r+i)<100; - r | i | s ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 2 | 11 | 1 - 2 | 12 | 2 - 2 | 13 | 3 - 3 | 11 | 1 - 3 | 12 | 2 - 3 | 13 | 3 -(9 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN rngfunc_sql(11,13) WITH ORDINALITY AS f(i,s,o) ON (r+i)<100; - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 1 | 12 | 2 | 2 - 1 | 13 | 3 | 3 - 2 | 11 | 1 | 1 - 2 | 12 | 2 | 2 - 2 | 13 | 3 | 3 - 3 | 11 | 1 | 1 - 3 | 12 | 2 | 2 - 3 | 13 | 3 | 3 -(9 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN rngfunc_mat(11,13) ON (r+i)<100; - r | i | s ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 2 | 11 | 1 - 2 | 12 | 2 - 2 | 13 | 3 - 3 | 11 | 1 - 3 | 12 | 2 - 3 | 13 | 3 -(9 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN rngfunc_mat(11,13) WITH ORDINALITY AS f(i,s,o) ON (r+i)<100; - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 1 | 12 | 2 | 2 - 1 | 13 | 3 | 3 - 2 | 11 | 1 | 1 - 2 | 12 | 2 | 2 - 2 | 13 | 3 | 3 - 3 | 11 | 1 | 1 - 3 | 12 | 2 | 2 - 3 | 13 | 3 | 3 -(9 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN ROWS FROM( rngfunc_sql(11,13), rngfunc_mat(11,13) ) WITH ORDINALITY AS f(i1,s1,i2,s2,o) ON (r+i1+i2)<100; - r | i1 | s1 | i2 | s2 | o ----+----+----+----+----+--- - 1 | 11 | 1 | 11 | 1 | 1 - 1 | 12 | 2 | 12 | 2 | 2 - 1 | 13 | 3 | 13 | 3 | 3 - 2 | 11 | 1 | 11 | 1 | 1 - 2 | 12 | 2 | 12 | 2 | 2 - 2 | 13 | 3 | 13 | 3 | 3 - 3 | 11 | 1 | 11 | 1 | 1 - 3 | 12 | 2 | 12 | 2 | 2 - 3 | 13 | 3 | 13 | 3 | 3 -(9 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN generate_series(11,13) f(i) ON (r+i)<100; - r | i ----+---- - 1 | 11 - 1 | 12 - 1 | 13 - 2 | 11 - 2 | 12 - 2 | 13 - 3 | 11 - 3 | 12 - 3 | 13 -(9 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN generate_series(11,13) WITH ORDINALITY AS f(i,o) ON (r+i)<100; - r | i | o ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 2 | 11 | 1 - 2 | 12 | 2 - 2 | 13 | 3 - 3 | 11 | 1 - 3 | 12 | 2 - 3 | 13 | 3 -(9 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN unnest(array[10,20,30]) f(i) ON (r+i)<100; - r | i ----+---- - 1 | 10 - 1 | 20 - 1 | 30 - 2 | 10 - 2 | 20 - 2 | 30 - 3 | 10 - 3 | 20 - 3 | 30 -(9 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r) LEFT JOIN unnest(array[10,20,30]) WITH ORDINALITY AS f(i,o) ON (r+i)<100; - r | i | o ----+----+--- - 1 | 10 | 1 - 1 | 20 | 2 - 1 | 30 | 3 - 2 | 10 | 1 - 2 | 20 | 2 - 2 | 30 | 3 - 3 | 10 | 1 - 3 | 20 | 2 - 3 | 30 | 3 -(9 rows) - ---invokes ExecReScanFunctionScan with chgParam != NULL (using implied LATERAL) -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_sql(10+r,13); - r | i | s ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 2 | 12 | 4 - 2 | 13 | 5 - 3 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_sql(10+r,13) WITH ORDINALITY AS f(i,s,o); - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 1 | 12 | 2 | 2 - 1 | 13 | 3 | 3 - 2 | 12 | 4 | 1 - 2 | 13 | 5 | 2 - 3 | 13 | 6 | 1 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_sql(11,10+r); - r | i | s ----+----+--- - 1 | 11 | 1 - 2 | 11 | 2 - 2 | 12 | 3 - 3 | 11 | 4 - 3 | 12 | 5 - 3 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_sql(11,10+r) WITH ORDINALITY AS f(i,s,o); - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 2 | 11 | 2 | 1 - 2 | 12 | 3 | 2 - 3 | 11 | 4 | 1 - 3 | 12 | 5 | 2 - 3 | 13 | 6 | 3 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (11,12),(13,15),(16,20)) v(r1,r2), rngfunc_sql(r1,r2); - r1 | r2 | i | s -----+----+----+---- - 11 | 12 | 11 | 1 - 11 | 12 | 12 | 2 - 13 | 15 | 13 | 3 - 13 | 15 | 14 | 4 - 13 | 15 | 15 | 5 - 16 | 20 | 16 | 6 - 16 | 20 | 17 | 7 - 16 | 20 | 18 | 8 - 16 | 20 | 19 | 9 - 16 | 20 | 20 | 10 -(10 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (11,12),(13,15),(16,20)) v(r1,r2), rngfunc_sql(r1,r2) WITH ORDINALITY AS f(i,s,o); - r1 | r2 | i | s | o -----+----+----+----+--- - 11 | 12 | 11 | 1 | 1 - 11 | 12 | 12 | 2 | 2 - 13 | 15 | 13 | 3 | 1 - 13 | 15 | 14 | 4 | 2 - 13 | 15 | 15 | 5 | 3 - 16 | 20 | 16 | 6 | 1 - 16 | 20 | 17 | 7 | 2 - 16 | 20 | 18 | 8 | 3 - 16 | 20 | 19 | 9 | 4 - 16 | 20 | 20 | 10 | 5 -(10 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_mat(10+r,13); - r | i | s ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 2 | 12 | 4 - 2 | 13 | 5 - 3 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_mat(10+r,13) WITH ORDINALITY AS f(i,s,o); - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 1 | 12 | 2 | 2 - 1 | 13 | 3 | 3 - 2 | 12 | 4 | 1 - 2 | 13 | 5 | 2 - 3 | 13 | 6 | 1 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_mat(11,10+r); - r | i | s ----+----+--- - 1 | 11 | 1 - 2 | 11 | 2 - 2 | 12 | 3 - 3 | 11 | 4 - 3 | 12 | 5 - 3 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), rngfunc_mat(11,10+r) WITH ORDINALITY AS f(i,s,o); - r | i | s | o ----+----+---+--- - 1 | 11 | 1 | 1 - 2 | 11 | 2 | 1 - 2 | 12 | 3 | 2 - 3 | 11 | 4 | 1 - 3 | 12 | 5 | 2 - 3 | 13 | 6 | 3 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (11,12),(13,15),(16,20)) v(r1,r2), rngfunc_mat(r1,r2); - r1 | r2 | i | s -----+----+----+---- - 11 | 12 | 11 | 1 - 11 | 12 | 12 | 2 - 13 | 15 | 13 | 3 - 13 | 15 | 14 | 4 - 13 | 15 | 15 | 5 - 16 | 20 | 16 | 6 - 16 | 20 | 17 | 7 - 16 | 20 | 18 | 8 - 16 | 20 | 19 | 9 - 16 | 20 | 20 | 10 -(10 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (11,12),(13,15),(16,20)) v(r1,r2), rngfunc_mat(r1,r2) WITH ORDINALITY AS f(i,s,o); - r1 | r2 | i | s | o -----+----+----+----+--- - 11 | 12 | 11 | 1 | 1 - 11 | 12 | 12 | 2 | 2 - 13 | 15 | 13 | 3 | 1 - 13 | 15 | 14 | 4 | 2 - 13 | 15 | 15 | 5 | 3 - 16 | 20 | 16 | 6 | 1 - 16 | 20 | 17 | 7 | 2 - 16 | 20 | 18 | 8 | 3 - 16 | 20 | 19 | 9 | 4 - 16 | 20 | 20 | 10 | 5 -(10 rows) - --- selective rescan of multiple functions: -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), ROWS FROM( rngfunc_sql(11,11), rngfunc_mat(10+r,13) ); - r | i | s | i | s ----+----+---+----+--- - 1 | 11 | 1 | 11 | 1 - 1 | | | 12 | 2 - 1 | | | 13 | 3 - 2 | 11 | 1 | 12 | 4 - 2 | | | 13 | 5 - 3 | 11 | 1 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), ROWS FROM( rngfunc_sql(10+r,13), rngfunc_mat(11,11) ); - r | i | s | i | s ----+----+---+----+--- - 1 | 11 | 1 | 11 | 1 - 1 | 12 | 2 | | - 1 | 13 | 3 | | - 2 | 12 | 4 | 11 | 1 - 2 | 13 | 5 | | - 3 | 13 | 6 | 11 | 1 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), ROWS FROM( rngfunc_sql(10+r,13), rngfunc_mat(10+r,13) ); - r | i | s | i | s ----+----+---+----+--- - 1 | 11 | 1 | 11 | 1 - 1 | 12 | 2 | 12 | 2 - 1 | 13 | 3 | 13 | 3 - 2 | 12 | 4 | 12 | 4 - 2 | 13 | 5 | 13 | 5 - 3 | 13 | 6 | 13 | 6 -(6 rows) - -SELECT setval('rngfunc_rescan_seq1',1,false),setval('rngfunc_rescan_seq2',1,false); - setval | setval ---------+-------- - 1 | 1 -(1 row) - -SELECT * FROM generate_series(1,2) r1, generate_series(r1,3) r2, ROWS FROM( rngfunc_sql(10+r1,13), rngfunc_mat(10+r2,13) ); - r1 | r2 | i | s | i | s -----+----+----+----+----+--- - 1 | 1 | 11 | 1 | 11 | 1 - 1 | 1 | 12 | 2 | 12 | 2 - 1 | 1 | 13 | 3 | 13 | 3 - 1 | 2 | 11 | 4 | 12 | 4 - 1 | 2 | 12 | 5 | 13 | 5 - 1 | 2 | 13 | 6 | | - 1 | 3 | 11 | 7 | 13 | 6 - 1 | 3 | 12 | 8 | | - 1 | 3 | 13 | 9 | | - 2 | 2 | 12 | 10 | 12 | 7 - 2 | 2 | 13 | 11 | 13 | 8 - 2 | 3 | 12 | 12 | 13 | 9 - 2 | 3 | 13 | 13 | | -(13 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), generate_series(10+r,20-r) f(i); - r | i ----+---- - 1 | 11 - 1 | 12 - 1 | 13 - 1 | 14 - 1 | 15 - 1 | 16 - 1 | 17 - 1 | 18 - 1 | 19 - 2 | 12 - 2 | 13 - 2 | 14 - 2 | 15 - 2 | 16 - 2 | 17 - 2 | 18 - 3 | 13 - 3 | 14 - 3 | 15 - 3 | 16 - 3 | 17 -(21 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), generate_series(10+r,20-r) WITH ORDINALITY AS f(i,o); - r | i | o ----+----+--- - 1 | 11 | 1 - 1 | 12 | 2 - 1 | 13 | 3 - 1 | 14 | 4 - 1 | 15 | 5 - 1 | 16 | 6 - 1 | 17 | 7 - 1 | 18 | 8 - 1 | 19 | 9 - 2 | 12 | 1 - 2 | 13 | 2 - 2 | 14 | 3 - 2 | 15 | 4 - 2 | 16 | 5 - 2 | 17 | 6 - 2 | 18 | 7 - 3 | 13 | 1 - 3 | 14 | 2 - 3 | 15 | 3 - 3 | 16 | 4 - 3 | 17 | 5 -(21 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), unnest(array[r*10,r*20,r*30]) f(i); - r | i ----+---- - 1 | 10 - 1 | 20 - 1 | 30 - 2 | 20 - 2 | 40 - 2 | 60 - 3 | 30 - 3 | 60 - 3 | 90 -(9 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v(r), unnest(array[r*10,r*20,r*30]) WITH ORDINALITY AS f(i,o); - r | i | o ----+----+--- - 1 | 10 | 1 - 1 | 20 | 2 - 1 | 30 | 3 - 2 | 20 | 1 - 2 | 40 | 2 - 2 | 60 | 3 - 3 | 30 | 1 - 3 | 60 | 2 - 3 | 90 | 3 -(9 rows) - --- deep nesting -SELECT * FROM (VALUES (1),(2),(3)) v1(r1), - LATERAL (SELECT r1, * FROM (VALUES (10),(20),(30)) v2(r2) - LEFT JOIN generate_series(21,23) f(i) ON ((r2+i)<100) OFFSET 0) s1; - r1 | r1 | r2 | i -----+----+----+---- - 1 | 1 | 10 | 21 - 1 | 1 | 10 | 22 - 1 | 1 | 10 | 23 - 1 | 1 | 20 | 21 - 1 | 1 | 20 | 22 - 1 | 1 | 20 | 23 - 1 | 1 | 30 | 21 - 1 | 1 | 30 | 22 - 1 | 1 | 30 | 23 - 2 | 2 | 10 | 21 - 2 | 2 | 10 | 22 - 2 | 2 | 10 | 23 - 2 | 2 | 20 | 21 - 2 | 2 | 20 | 22 - 2 | 2 | 20 | 23 - 2 | 2 | 30 | 21 - 2 | 2 | 30 | 22 - 2 | 2 | 30 | 23 - 3 | 3 | 10 | 21 - 3 | 3 | 10 | 22 - 3 | 3 | 10 | 23 - 3 | 3 | 20 | 21 - 3 | 3 | 20 | 22 - 3 | 3 | 20 | 23 - 3 | 3 | 30 | 21 - 3 | 3 | 30 | 22 - 3 | 3 | 30 | 23 -(27 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v1(r1), - LATERAL (SELECT r1, * FROM (VALUES (10),(20),(30)) v2(r2) - LEFT JOIN generate_series(20+r1,23) f(i) ON ((r2+i)<100) OFFSET 0) s1; - r1 | r1 | r2 | i -----+----+----+---- - 1 | 1 | 10 | 21 - 1 | 1 | 10 | 22 - 1 | 1 | 10 | 23 - 1 | 1 | 20 | 21 - 1 | 1 | 20 | 22 - 1 | 1 | 20 | 23 - 1 | 1 | 30 | 21 - 1 | 1 | 30 | 22 - 1 | 1 | 30 | 23 - 2 | 2 | 10 | 22 - 2 | 2 | 10 | 23 - 2 | 2 | 20 | 22 - 2 | 2 | 20 | 23 - 2 | 2 | 30 | 22 - 2 | 2 | 30 | 23 - 3 | 3 | 10 | 23 - 3 | 3 | 20 | 23 - 3 | 3 | 30 | 23 -(18 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v1(r1), - LATERAL (SELECT r1, * FROM (VALUES (10),(20),(30)) v2(r2) - LEFT JOIN generate_series(r2,r2+3) f(i) ON ((r2+i)<100) OFFSET 0) s1; - r1 | r1 | r2 | i -----+----+----+---- - 1 | 1 | 10 | 10 - 1 | 1 | 10 | 11 - 1 | 1 | 10 | 12 - 1 | 1 | 10 | 13 - 1 | 1 | 20 | 20 - 1 | 1 | 20 | 21 - 1 | 1 | 20 | 22 - 1 | 1 | 20 | 23 - 1 | 1 | 30 | 30 - 1 | 1 | 30 | 31 - 1 | 1 | 30 | 32 - 1 | 1 | 30 | 33 - 2 | 2 | 10 | 10 - 2 | 2 | 10 | 11 - 2 | 2 | 10 | 12 - 2 | 2 | 10 | 13 - 2 | 2 | 20 | 20 - 2 | 2 | 20 | 21 - 2 | 2 | 20 | 22 - 2 | 2 | 20 | 23 - 2 | 2 | 30 | 30 - 2 | 2 | 30 | 31 - 2 | 2 | 30 | 32 - 2 | 2 | 30 | 33 - 3 | 3 | 10 | 10 - 3 | 3 | 10 | 11 - 3 | 3 | 10 | 12 - 3 | 3 | 10 | 13 - 3 | 3 | 20 | 20 - 3 | 3 | 20 | 21 - 3 | 3 | 20 | 22 - 3 | 3 | 20 | 23 - 3 | 3 | 30 | 30 - 3 | 3 | 30 | 31 - 3 | 3 | 30 | 32 - 3 | 3 | 30 | 33 -(36 rows) - -SELECT * FROM (VALUES (1),(2),(3)) v1(r1), - LATERAL (SELECT r1, * FROM (VALUES (10),(20),(30)) v2(r2) - LEFT JOIN generate_series(r1,2+r2/5) f(i) ON ((r2+i)<100) OFFSET 0) s1; - r1 | r1 | r2 | i -----+----+----+--- - 1 | 1 | 10 | 1 - 1 | 1 | 10 | 2 - 1 | 1 | 10 | 3 - 1 | 1 | 10 | 4 - 1 | 1 | 20 | 1 - 1 | 1 | 20 | 2 - 1 | 1 | 20 | 3 - 1 | 1 | 20 | 4 - 1 | 1 | 20 | 5 - 1 | 1 | 20 | 6 - 1 | 1 | 30 | 1 - 1 | 1 | 30 | 2 - 1 | 1 | 30 | 3 - 1 | 1 | 30 | 4 - 1 | 1 | 30 | 5 - 1 | 1 | 30 | 6 - 1 | 1 | 30 | 7 - 1 | 1 | 30 | 8 - 2 | 2 | 10 | 2 - 2 | 2 | 10 | 3 - 2 | 2 | 10 | 4 - 2 | 2 | 20 | 2 - 2 | 2 | 20 | 3 - 2 | 2 | 20 | 4 - 2 | 2 | 20 | 5 - 2 | 2 | 20 | 6 - 2 | 2 | 30 | 2 - 2 | 2 | 30 | 3 - 2 | 2 | 30 | 4 - 2 | 2 | 30 | 5 - 2 | 2 | 30 | 6 - 2 | 2 | 30 | 7 - 2 | 2 | 30 | 8 - 3 | 3 | 10 | 3 - 3 | 3 | 10 | 4 - 3 | 3 | 20 | 3 - 3 | 3 | 20 | 4 - 3 | 3 | 20 | 5 - 3 | 3 | 20 | 6 - 3 | 3 | 30 | 3 - 3 | 3 | 30 | 4 - 3 | 3 | 30 | 5 - 3 | 3 | 30 | 6 - 3 | 3 | 30 | 7 - 3 | 3 | 30 | 8 -(45 rows) - --- check handling of FULL JOIN with multiple lateral references (bug #15741) -SELECT * -FROM (VALUES (1),(2)) v1(r1) - LEFT JOIN LATERAL ( - SELECT * - FROM generate_series(1, v1.r1) AS gs1 - LEFT JOIN LATERAL ( - SELECT * - FROM generate_series(1, gs1) AS gs2 - LEFT JOIN generate_series(1, gs2) AS gs3 ON TRUE - ) AS ss1 ON TRUE - FULL JOIN generate_series(1, v1.r1) AS gs4 ON FALSE - ) AS ss0 ON TRUE; - r1 | gs1 | gs2 | gs3 | gs4 -----+-----+-----+-----+----- - 1 | | | | 1 - 1 | 1 | 1 | 1 | - 2 | | | | 1 - 2 | | | | 2 - 2 | 1 | 1 | 1 | - 2 | 2 | 1 | 1 | - 2 | 2 | 2 | 1 | - 2 | 2 | 2 | 2 | -(8 rows) - -DROP FUNCTION rngfunc_sql(int,int); -DROP FUNCTION rngfunc_mat(int,int); -DROP SEQUENCE rngfunc_rescan_seq1; -DROP SEQUENCE rngfunc_rescan_seq2; --- --- Test cases involving OUT parameters --- -CREATE FUNCTION rngfunc(in f1 int, out f2 int) -AS 'select $1+1' LANGUAGE sql; -SELECT rngfunc(42); - rngfunc ---------- - 43 -(1 row) - -SELECT * FROM rngfunc(42); - f2 ----- - 43 -(1 row) - -SELECT * FROM rngfunc(42) AS p(x); - x ----- - 43 -(1 row) - --- explicit spec of return type is OK -CREATE OR REPLACE FUNCTION rngfunc(in f1 int, out f2 int) RETURNS int -AS 'select $1+1' LANGUAGE sql; --- error, wrong result type -CREATE OR REPLACE FUNCTION rngfunc(in f1 int, out f2 int) RETURNS float -AS 'select $1+1' LANGUAGE sql; -ERROR: function result type must be integer because of OUT parameters --- with multiple OUT params you must get a RECORD result -CREATE OR REPLACE FUNCTION rngfunc(in f1 int, out f2 int, out f3 text) RETURNS int -AS 'select $1+1' LANGUAGE sql; -ERROR: function result type must be record because of OUT parameters -CREATE OR REPLACE FUNCTION rngfunc(in f1 int, out f2 int, out f3 text) -RETURNS record -AS 'select $1+1' LANGUAGE sql; -ERROR: cannot change return type of existing function -HINT: Use DROP FUNCTION rngfunc(integer) first. -CREATE OR REPLACE FUNCTION rngfuncr(in f1 int, out f2 int, out text) -AS $$select $1-1, $1::text || 'z'$$ LANGUAGE sql; -SELECT f1, rngfuncr(f1) FROM int4_tbl; - f1 | rngfuncr --------------+---------------------------- - 0 | (-1,0z) - 123456 | (123455,123456z) - -123456 | (-123457,-123456z) - 2147483647 | (2147483646,2147483647z) - -2147483647 | (-2147483648,-2147483647z) -(5 rows) - -SELECT * FROM rngfuncr(42); - f2 | column2 -----+--------- - 41 | 42z -(1 row) - -SELECT * FROM rngfuncr(42) AS p(a,b); - a | b -----+----- - 41 | 42z -(1 row) - -CREATE OR REPLACE FUNCTION rngfuncb(in f1 int, inout f2 int, out text) -AS $$select $2-1, $1::text || 'z'$$ LANGUAGE sql; -SELECT f1, rngfuncb(f1, f1/2) FROM int4_tbl; - f1 | rngfuncb --------------+---------------------------- - 0 | (-1,0z) - 123456 | (61727,123456z) - -123456 | (-61729,-123456z) - 2147483647 | (1073741822,2147483647z) - -2147483647 | (-1073741824,-2147483647z) -(5 rows) - -SELECT * FROM rngfuncb(42, 99); - f2 | column2 -----+--------- - 98 | 42z -(1 row) - -SELECT * FROM rngfuncb(42, 99) AS p(a,b); - a | b -----+----- - 98 | 42z -(1 row) - --- Can reference function with or without OUT params for DROP, etc -DROP FUNCTION rngfunc(int); -DROP FUNCTION rngfuncr(in f2 int, out f1 int, out text); -DROP FUNCTION rngfuncb(in f1 int, inout f2 int); --- --- For my next trick, polymorphic OUT parameters --- -CREATE FUNCTION dup (f1 anyelement, f2 out anyelement, f3 out anyarray) -AS 'select $1, array[$1,$1]' LANGUAGE sql; -SELECT dup(22); - dup ----------------- - (22,"{22,22}") -(1 row) - -SELECT dup('xyz'); -- fails -ERROR: could not determine polymorphic type because input has type unknown -SELECT dup('xyz'::text); - dup -------------------- - (xyz,"{xyz,xyz}") -(1 row) - -SELECT * FROM dup('xyz'::text); - f2 | f3 ------+----------- - xyz | {xyz,xyz} -(1 row) - --- fails, as we are attempting to rename first argument -CREATE OR REPLACE FUNCTION dup (inout f2 anyelement, out f3 anyarray) -AS 'select $1, array[$1,$1]' LANGUAGE sql; -ERROR: cannot change name of input parameter "f1" -HINT: Use DROP FUNCTION dup(anyelement) first. -DROP FUNCTION dup(anyelement); --- equivalent behavior, though different name exposed for input arg -CREATE OR REPLACE FUNCTION dup (inout f2 anyelement, out f3 anyarray) -AS 'select $1, array[$1,$1]' LANGUAGE sql; -SELECT dup(22); - dup ----------------- - (22,"{22,22}") -(1 row) - -DROP FUNCTION dup(anyelement); --- fails, no way to deduce outputs -CREATE FUNCTION bad (f1 int, out f2 anyelement, out f3 anyarray) -AS 'select $1, array[$1,$1]' LANGUAGE sql; -ERROR: cannot determine result data type -DETAIL: A result of type anyelement requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE FUNCTION dup (f1 anycompatible, f2 anycompatiblearray, f3 out anycompatible, f4 out anycompatiblearray) -AS 'select $1, $2' LANGUAGE sql; -SELECT dup(22, array[44]); - dup ------------ - (22,{44}) -(1 row) - -SELECT dup(4.5, array[44]); - dup ------------- - (4.5,{44}) -(1 row) - -SELECT dup(22, array[44::bigint]); - dup ------------ - (22,{44}) -(1 row) - -SELECT *, pg_typeof(f3), pg_typeof(f4) FROM dup(22, array[44::bigint]); - f3 | f4 | pg_typeof | pg_typeof -----+------+-----------+----------- - 22 | {44} | bigint | bigint[] -(1 row) - -DROP FUNCTION dup(f1 anycompatible, f2 anycompatiblearray); -CREATE FUNCTION dup (f1 anycompatiblerange, f2 out anycompatible, f3 out anycompatiblearray, f4 out anycompatiblerange) -AS 'select lower($1), array[lower($1), upper($1)], $1' LANGUAGE sql; -SELECT dup(int4range(4,7)); - dup ---------------------- - (4,"{4,7}","[4,7)") -(1 row) - -SELECT dup(numrange(4,7)); - dup ---------------------- - (4,"{4,7}","[4,7)") -(1 row) - -SELECT dup(textrange('aaa', 'bbb')); - dup -------------------------------- - (aaa,"{aaa,bbb}","[aaa,bbb)") -(1 row) - -DROP FUNCTION dup(f1 anycompatiblerange); --- fails, no way to deduce outputs -CREATE FUNCTION bad (f1 anyarray, out f2 anycompatible, out f3 anycompatiblearray) -AS 'select $1, array[$1,$1]' LANGUAGE sql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatible requires at least one input of type anycompatible, anycompatiblearray, anycompatiblenonarray, anycompatiblerange, or anycompatiblemultirange. --- --- table functions --- -CREATE OR REPLACE FUNCTION rngfunc() -RETURNS TABLE(a int) -AS $$ SELECT a FROM generate_series(1,5) a(a) $$ LANGUAGE sql; -SELECT * FROM rngfunc(); - a ---- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -DROP FUNCTION rngfunc(); -CREATE OR REPLACE FUNCTION rngfunc(int) -RETURNS TABLE(a int, b int) -AS $$ SELECT a, b - FROM generate_series(1,$1) a(a), - generate_series(1,$1) b(b) $$ LANGUAGE sql; -SELECT * FROM rngfunc(3); - a | b ----+--- - 1 | 1 - 1 | 2 - 1 | 3 - 2 | 1 - 2 | 2 - 2 | 3 - 3 | 1 - 3 | 2 - 3 | 3 -(9 rows) - -DROP FUNCTION rngfunc(int); --- case that causes change of typmod knowledge during inlining -CREATE OR REPLACE FUNCTION rngfunc() -RETURNS TABLE(a varchar(5)) -AS $$ SELECT 'hello'::varchar(5) $$ LANGUAGE sql STABLE; -SELECT * FROM rngfunc() GROUP BY 1; - a -------- - hello -(1 row) - -DROP FUNCTION rngfunc(); --- --- some tests on SQL functions with RETURNING --- -create temp table tt(f1 serial, data text); -create function insert_tt(text) returns int as -$$ insert into tt(data) values($1) returning f1 $$ -language sql; -select insert_tt('foo'); - insert_tt ------------ - 1 -(1 row) - -select insert_tt('bar'); - insert_tt ------------ - 2 -(1 row) - -select * from tt; - f1 | data -----+------ - 1 | foo - 2 | bar -(2 rows) - --- insert will execute to completion even if function needs just 1 row -create or replace function insert_tt(text) returns int as -$$ insert into tt(data) values($1),($1||$1) returning f1 $$ -language sql; -select insert_tt('fool'); - insert_tt ------------ - 3 -(1 row) - -select * from tt; - f1 | data -----+---------- - 1 | foo - 2 | bar - 3 | fool - 4 | foolfool -(4 rows) - --- setof does what's expected -create or replace function insert_tt2(text,text) returns setof int as -$$ insert into tt(data) values($1),($2) returning f1 $$ -language sql; -select insert_tt2('foolish','barrish'); - insert_tt2 ------------- - 5 - 6 -(2 rows) - -select * from insert_tt2('baz','quux'); - insert_tt2 ------------- - 7 - 8 -(2 rows) - -select * from tt; - f1 | data -----+---------- - 1 | foo - 2 | bar - 3 | fool - 4 | foolfool - 5 | foolish - 6 | barrish - 7 | baz - 8 | quux -(8 rows) - --- limit doesn't prevent execution to completion -select insert_tt2('foolish','barrish') limit 1; - insert_tt2 ------------- - 9 -(1 row) - -select * from tt; - f1 | data -----+---------- - 1 | foo - 2 | bar - 3 | fool - 4 | foolfool - 5 | foolish - 6 | barrish - 7 | baz - 8 | quux - 9 | foolish - 10 | barrish -(10 rows) - --- triggers will fire, too -create function noticetrigger() returns trigger as $$ -begin - raise notice 'noticetrigger % %', new.f1, new.data; - return null; -end $$ language plpgsql; -create trigger tnoticetrigger after insert on tt for each row -execute procedure noticetrigger(); -select insert_tt2('foolme','barme') limit 1; -NOTICE: noticetrigger 11 foolme -NOTICE: noticetrigger 12 barme - insert_tt2 ------------- - 11 -(1 row) - -select * from tt; - f1 | data -----+---------- - 1 | foo - 2 | bar - 3 | fool - 4 | foolfool - 5 | foolish - 6 | barrish - 7 | baz - 8 | quux - 9 | foolish - 10 | barrish - 11 | foolme - 12 | barme -(12 rows) - --- and rules work -create temp table tt_log(f1 int, data text); -create rule insert_tt_rule as on insert to tt do also - insert into tt_log values(new.*); -select insert_tt2('foollog','barlog') limit 1; -NOTICE: noticetrigger 13 foollog -NOTICE: noticetrigger 14 barlog - insert_tt2 ------------- - 13 -(1 row) - -select * from tt; - f1 | data -----+---------- - 1 | foo - 2 | bar - 3 | fool - 4 | foolfool - 5 | foolish - 6 | barrish - 7 | baz - 8 | quux - 9 | foolish - 10 | barrish - 11 | foolme - 12 | barme - 13 | foollog - 14 | barlog -(14 rows) - --- note that nextval() gets executed a second time in the rule expansion, --- which is expected. -select * from tt_log; - f1 | data -----+--------- - 15 | foollog - 16 | barlog -(2 rows) - --- test case for a whole-row-variable bug -create function rngfunc1(n integer, out a text, out b text) - returns setof record - language sql - as $$ select 'foo ' || i, 'bar ' || i from generate_series(1,$1) i $$; -set work_mem='64kB'; -select t.a, t, t.a from rngfunc1(10000) t limit 1; - a | t | a --------+-------------------+------- - foo 1 | ("foo 1","bar 1") | foo 1 -(1 row) - -reset work_mem; -select t.a, t, t.a from rngfunc1(10000) t limit 1; - a | t | a --------+-------------------+------- - foo 1 | ("foo 1","bar 1") | foo 1 -(1 row) - -drop function rngfunc1(n integer); --- test use of SQL functions returning record --- this is supported in some cases where the query doesn't specify --- the actual record type ... -create function array_to_set(anyarray) returns setof record as $$ - select i AS "index", $1[i] AS "value" from generate_subscripts($1, 1) i -$$ language sql strict immutable; -select array_to_set(array['one', 'two']); - array_to_set --------------- - (1,one) - (2,two) -(2 rows) - -select * from array_to_set(array['one', 'two']) as t(f1 int,f2 text); - f1 | f2 -----+----- - 1 | one - 2 | two -(2 rows) - -select * from array_to_set(array['one', 'two']); -- fail -ERROR: a column definition list is required for functions returning "record" -LINE 1: select * from array_to_set(array['one', 'two']); - ^ --- after-the-fact coercion of the columns is now possible, too -select * from array_to_set(array['one', 'two']) as t(f1 numeric(4,2),f2 text); - f1 | f2 -------+----- - 1.00 | one - 2.00 | two -(2 rows) - --- and if it doesn't work, you get a compile-time not run-time error -select * from array_to_set(array['one', 'two']) as t(f1 point,f2 text); -ERROR: return type mismatch in function declared to return record -DETAIL: Final statement returns integer instead of point at column 1. -CONTEXT: SQL function "array_to_set" statement 1 --- with "strict", this function can't be inlined in FROM -explain (verbose, costs off) - select * from array_to_set(array['one', 'two']) as t(f1 numeric(4,2),f2 text); - QUERY PLAN ----------------------------------------------------- - Function Scan on public.array_to_set t - Output: f1, f2 - Function Call: array_to_set('{one,two}'::text[]) -(3 rows) - --- but without, it can be: -create or replace function array_to_set(anyarray) returns setof record as $$ - select i AS "index", $1[i] AS "value" from generate_subscripts($1, 1) i -$$ language sql immutable; -select array_to_set(array['one', 'two']); - array_to_set --------------- - (1,one) - (2,two) -(2 rows) - -select * from array_to_set(array['one', 'two']) as t(f1 int,f2 text); - f1 | f2 -----+----- - 1 | one - 2 | two -(2 rows) - -select * from array_to_set(array['one', 'two']) as t(f1 numeric(4,2),f2 text); - f1 | f2 -------+----- - 1.00 | one - 2.00 | two -(2 rows) - -select * from array_to_set(array['one', 'two']) as t(f1 point,f2 text); -ERROR: return type mismatch in function declared to return record -DETAIL: Final statement returns integer instead of point at column 1. -CONTEXT: SQL function "array_to_set" during inlining -explain (verbose, costs off) - select * from array_to_set(array['one', 'two']) as t(f1 numeric(4,2),f2 text); - QUERY PLAN --------------------------------------------------------------- - Function Scan on pg_catalog.generate_subscripts i - Output: i.i, ('{one,two}'::text[])[i.i] - Function Call: generate_subscripts('{one,two}'::text[], 1) -(3 rows) - -create temp table rngfunc(f1 int8, f2 int8); -create function testrngfunc() returns record as $$ - insert into rngfunc values (1,2) returning *; -$$ language sql; -select testrngfunc(); - testrngfunc -------------- - (1,2) -(1 row) - -select * from testrngfunc() as t(f1 int8,f2 int8); - f1 | f2 -----+---- - 1 | 2 -(1 row) - -select * from testrngfunc(); -- fail -ERROR: a column definition list is required for functions returning "record" -LINE 1: select * from testrngfunc(); - ^ -drop function testrngfunc(); -create function testrngfunc() returns setof record as $$ - insert into rngfunc values (1,2), (3,4) returning *; -$$ language sql; -select testrngfunc(); - testrngfunc -------------- - (1,2) - (3,4) -(2 rows) - -select * from testrngfunc() as t(f1 int8,f2 int8); - f1 | f2 -----+---- - 1 | 2 - 3 | 4 -(2 rows) - -select * from testrngfunc(); -- fail -ERROR: a column definition list is required for functions returning "record" -LINE 1: select * from testrngfunc(); - ^ -drop function testrngfunc(); --- Check that typmod imposed by a composite type is honored -create type rngfunc_type as (f1 numeric(35,6), f2 numeric(35,2)); -create function testrngfunc() returns rngfunc_type as $$ - select 7.136178319899999964, 7.136178319899999964; -$$ language sql immutable; -explain (verbose, costs off) -select testrngfunc(); - QUERY PLAN -------------------------------------------- - Result - Output: '(7.136178,7.14)'::rngfunc_type -(2 rows) - -select testrngfunc(); - testrngfunc ------------------ - (7.136178,7.14) -(1 row) - -explain (verbose, costs off) -select * from testrngfunc(); - QUERY PLAN --------------------------------------------------- - Function Scan on testrngfunc - Output: f1, f2 - Function Call: '(7.136178,7.14)'::rngfunc_type -(3 rows) - -select * from testrngfunc(); - f1 | f2 -----------+------ - 7.136178 | 7.14 -(1 row) - -create or replace function testrngfunc() returns rngfunc_type as $$ - select 7.136178319899999964, 7.136178319899999964; -$$ language sql volatile; -explain (verbose, costs off) -select testrngfunc(); - QUERY PLAN -------------------------- - Result - Output: testrngfunc() -(2 rows) - -select testrngfunc(); - testrngfunc ------------------ - (7.136178,7.14) -(1 row) - -explain (verbose, costs off) -select * from testrngfunc(); - QUERY PLAN -------------------------------------- - Function Scan on public.testrngfunc - Output: f1, f2 - Function Call: testrngfunc() -(3 rows) - -select * from testrngfunc(); - f1 | f2 -----------+------ - 7.136178 | 7.14 -(1 row) - -drop function testrngfunc(); -create function testrngfunc() returns setof rngfunc_type as $$ - select 7.136178319899999964, 7.136178319899999964; -$$ language sql immutable; -explain (verbose, costs off) -select testrngfunc(); - QUERY PLAN -------------------------- - ProjectSet - Output: testrngfunc() - -> Result -(3 rows) - -select testrngfunc(); - testrngfunc ------------------ - (7.136178,7.14) -(1 row) - -explain (verbose, costs off) -select * from testrngfunc(); - QUERY PLAN --------------------------------------------------------- - Result - Output: 7.136178::numeric(35,6), 7.14::numeric(35,2) -(2 rows) - -select * from testrngfunc(); - f1 | f2 -----------+------ - 7.136178 | 7.14 -(1 row) - -create or replace function testrngfunc() returns setof rngfunc_type as $$ - select 7.136178319899999964, 7.136178319899999964; -$$ language sql volatile; -explain (verbose, costs off) -select testrngfunc(); - QUERY PLAN -------------------------- - ProjectSet - Output: testrngfunc() - -> Result -(3 rows) - -select testrngfunc(); - testrngfunc ------------------ - (7.136178,7.14) -(1 row) - -explain (verbose, costs off) -select * from testrngfunc(); - QUERY PLAN -------------------------------------- - Function Scan on public.testrngfunc - Output: f1, f2 - Function Call: testrngfunc() -(3 rows) - -select * from testrngfunc(); - f1 | f2 -----------+------ - 7.136178 | 7.14 -(1 row) - -create or replace function testrngfunc() returns setof rngfunc_type as $$ - select 1, 2 union select 3, 4 order by 1; -$$ language sql immutable; -explain (verbose, costs off) -select testrngfunc(); - QUERY PLAN -------------------------- - ProjectSet - Output: testrngfunc() - -> Result -(3 rows) - -select testrngfunc(); - testrngfunc ------------------ - (1.000000,2.00) - (3.000000,4.00) -(2 rows) - -explain (verbose, costs off) -select * from testrngfunc(); - QUERY PLAN ----------------------------------------------------------- - Subquery Scan on "*SELECT*" - Output: "*SELECT*"."?column?", "*SELECT*"."?column?_1" - -> Unique - Output: (1), (2) - -> Sort - Output: (1), (2) - Sort Key: (1), (2) - -> Append - -> Result - Output: 1, 2 - -> Result - Output: 3, 4 -(12 rows) - -select * from testrngfunc(); - f1 | f2 -----------+------ - 1.000000 | 2.00 - 3.000000 | 4.00 -(2 rows) - --- Check a couple of error cases while we're here -select * from testrngfunc() as t(f1 int8,f2 int8); -- fail, composite result -ERROR: a column definition list is redundant for a function returning a named composite type -LINE 1: select * from testrngfunc() as t(f1 int8,f2 int8); - ^ -select * from pg_get_keywords() as t(f1 int8,f2 int8); -- fail, OUT params -ERROR: a column definition list is redundant for a function with OUT parameters -LINE 1: select * from pg_get_keywords() as t(f1 int8,f2 int8); - ^ -select * from sin(3) as t(f1 int8,f2 int8); -- fail, scalar result type -ERROR: a column definition list is only allowed for functions returning "record" -LINE 1: select * from sin(3) as t(f1 int8,f2 int8); - ^ -drop type rngfunc_type cascade; -NOTICE: drop cascades to function testrngfunc() --- --- Check some cases involving added/dropped columns in a rowtype result --- -create temp table users (userid text, seq int, email text, todrop bool, moredrop int, enabled bool); -insert into users values ('id',1,'email',true,11,true); -insert into users values ('id2',2,'email2',true,12,true); -alter table users drop column todrop; -create or replace function get_first_user() returns users as -$$ SELECT * FROM users ORDER BY userid LIMIT 1; $$ -language sql stable; -SELECT get_first_user(); - get_first_user -------------------- - (id,1,email,11,t) -(1 row) - -SELECT * FROM get_first_user(); - userid | seq | email | moredrop | enabled ---------+-----+-------+----------+--------- - id | 1 | email | 11 | t -(1 row) - -create or replace function get_users() returns setof users as -$$ SELECT * FROM users ORDER BY userid; $$ -language sql stable; -SELECT get_users(); - get_users ---------------------- - (id,1,email,11,t) - (id2,2,email2,12,t) -(2 rows) - -SELECT * FROM get_users(); - userid | seq | email | moredrop | enabled ---------+-----+--------+----------+--------- - id | 1 | email | 11 | t - id2 | 2 | email2 | 12 | t -(2 rows) - -SELECT * FROM get_users() WITH ORDINALITY; -- make sure ordinality copes - userid | seq | email | moredrop | enabled | ordinality ---------+-----+--------+----------+---------+------------ - id | 1 | email | 11 | t | 1 - id2 | 2 | email2 | 12 | t | 2 -(2 rows) - --- multiple functions vs. dropped columns -SELECT * FROM ROWS FROM(generate_series(10,11), get_users()) WITH ORDINALITY; - generate_series | userid | seq | email | moredrop | enabled | ordinality ------------------+--------+-----+--------+----------+---------+------------ - 10 | id | 1 | email | 11 | t | 1 - 11 | id2 | 2 | email2 | 12 | t | 2 -(2 rows) - -SELECT * FROM ROWS FROM(get_users(), generate_series(10,11)) WITH ORDINALITY; - userid | seq | email | moredrop | enabled | generate_series | ordinality ---------+-----+--------+----------+---------+-----------------+------------ - id | 1 | email | 11 | t | 10 | 1 - id2 | 2 | email2 | 12 | t | 11 | 2 -(2 rows) - --- check that we can cope with post-parsing changes in rowtypes -create temp view usersview as -SELECT * FROM ROWS FROM(get_users(), generate_series(10,11)) WITH ORDINALITY; -select * from usersview; - userid | seq | email | moredrop | enabled | generate_series | ordinality ---------+-----+--------+----------+---------+-----------------+------------ - id | 1 | email | 11 | t | 10 | 1 - id2 | 2 | email2 | 12 | t | 11 | 2 -(2 rows) - -alter table users add column junk text; -select * from usersview; - userid | seq | email | moredrop | enabled | generate_series | ordinality ---------+-----+--------+----------+---------+-----------------+------------ - id | 1 | email | 11 | t | 10 | 1 - id2 | 2 | email2 | 12 | t | 11 | 2 -(2 rows) - -alter table users drop column moredrop; -- fail, view has reference -ERROR: cannot drop column moredrop of table users because other objects depend on it -DETAIL: view usersview depends on column moredrop of table users -HINT: Use DROP ... CASCADE to drop the dependent objects too. --- We used to have a bug that would allow the above to succeed, posing --- hazards for later execution of the view. Check that the internal --- defenses for those hazards haven't bit-rotted, in case some other --- bug with similar symptoms emerges. -begin; --- destroy the dependency entry that prevents the DROP: -delete from pg_depend where - objid = (select oid from pg_rewrite - where ev_class = 'usersview'::regclass and rulename = '_RETURN') - and refobjsubid = 5 -returning pg_describe_object(classid, objid, objsubid) as obj, - pg_describe_object(refclassid, refobjid, refobjsubid) as ref, - deptype; - obj | ref | deptype ---------------------------------+--------------------------------+--------- - rule _RETURN on view usersview | column moredrop of table users | n -(1 row) - -alter table users drop column moredrop; -select * from usersview; -- expect clean failure -ERROR: attribute 5 of type record has been dropped -rollback; -alter table users alter column seq type numeric; -- fail, view has reference -ERROR: cannot alter type of a column used by a view or rule -DETAIL: rule _RETURN on view usersview depends on column "seq" --- likewise, check we don't crash if the dependency goes wrong -begin; --- destroy the dependency entry that prevents the ALTER: -delete from pg_depend where - objid = (select oid from pg_rewrite - where ev_class = 'usersview'::regclass and rulename = '_RETURN') - and refobjsubid = 2 -returning pg_describe_object(classid, objid, objsubid) as obj, - pg_describe_object(refclassid, refobjid, refobjsubid) as ref, - deptype; - obj | ref | deptype ---------------------------------+---------------------------+--------- - rule _RETURN on view usersview | column seq of table users | n -(1 row) - -alter table users alter column seq type numeric; -select * from usersview; -- expect clean failure -ERROR: attribute 2 of type record has wrong type -DETAIL: Table has type numeric, but query expects integer. -rollback; -drop view usersview; -drop function get_first_user(); -drop function get_users(); -drop table users; --- check behavior with type coercion required for a set-op -create or replace function rngfuncbar() returns setof text as -$$ select 'foo'::varchar union all select 'bar'::varchar ; $$ -language sql stable; -select rngfuncbar(); - rngfuncbar ------------- - foo - bar -(2 rows) - -select * from rngfuncbar(); - rngfuncbar ------------- - foo - bar -(2 rows) - --- this function is now inlinable, too: -explain (verbose, costs off) select * from rngfuncbar(); - QUERY PLAN ------------------------------------------------- - Result - Output: ('foo'::character varying) - -> Append - -> Result - Output: 'foo'::character varying - -> Result - Output: 'bar'::character varying -(7 rows) - -drop function rngfuncbar(); --- check handling of a SQL function with multiple OUT params (bug #5777) -create or replace function rngfuncbar(out integer, out numeric) as -$$ select (1, 2.1) $$ language sql; -select * from rngfuncbar(); - column1 | column2 ----------+--------- - 1 | 2.1 -(1 row) - -create or replace function rngfuncbar(out integer, out numeric) as -$$ select (1, 2) $$ language sql; -select * from rngfuncbar(); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 2, but query expects numeric. -create or replace function rngfuncbar(out integer, out numeric) as -$$ select (1, 2.1, 3) $$ language sql; -select * from rngfuncbar(); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 3 attributes, but query expects 2. -drop function rngfuncbar(); --- check whole-row-Var handling in nested lateral functions (bug #11703) -create function extractq2(t int8_tbl) returns int8 as $$ - select t.q2 -$$ language sql immutable; -explain (verbose, costs off) -select x from int8_tbl, extractq2(int8_tbl) f(x); - QUERY PLAN ------------------------------------------- - Nested Loop - Output: f.x - -> Seq Scan on public.int8_tbl - Output: int8_tbl.q1, int8_tbl.q2 - -> Function Scan on f - Output: f.x - Function Call: int8_tbl.q2 -(7 rows) - -select x from int8_tbl, extractq2(int8_tbl) f(x); - x -------------------- - 456 - 4567890123456789 - 123 - 4567890123456789 - -4567890123456789 -(5 rows) - -create function extractq2_2(t int8_tbl) returns table(ret1 int8) as $$ - select extractq2(t) offset 0 -$$ language sql immutable; -explain (verbose, costs off) -select x from int8_tbl, extractq2_2(int8_tbl) f(x); - QUERY PLAN ------------------------------------ - Nested Loop - Output: ((int8_tbl.*).q2) - -> Seq Scan on public.int8_tbl - Output: int8_tbl.* - -> Result - Output: (int8_tbl.*).q2 -(6 rows) - -select x from int8_tbl, extractq2_2(int8_tbl) f(x); - x -------------------- - 456 - 4567890123456789 - 123 - 4567890123456789 - -4567890123456789 -(5 rows) - --- without the "offset 0", this function gets optimized quite differently -create function extractq2_2_opt(t int8_tbl) returns table(ret1 int8) as $$ - select extractq2(t) -$$ language sql immutable; -explain (verbose, costs off) -select x from int8_tbl, extractq2_2_opt(int8_tbl) f(x); - QUERY PLAN ------------------------------ - Seq Scan on public.int8_tbl - Output: int8_tbl.q2 -(2 rows) - -select x from int8_tbl, extractq2_2_opt(int8_tbl) f(x); - x -------------------- - 456 - 4567890123456789 - 123 - 4567890123456789 - -4567890123456789 -(5 rows) - --- check handling of nulls in SRF results (bug #7808) -create type rngfunc2 as (a integer, b text); -select *, row_to_json(u) from unnest(array[(1,'foo')::rngfunc2, null::rngfunc2]) u; - a | b | row_to_json ----+-----+--------------------- - 1 | foo | {"a":1,"b":"foo"} - | | {"a":null,"b":null} -(2 rows) - -select *, row_to_json(u) from unnest(array[null::rngfunc2, null::rngfunc2]) u; - a | b | row_to_json ----+---+--------------------- - | | {"a":null,"b":null} - | | {"a":null,"b":null} -(2 rows) - -select *, row_to_json(u) from unnest(array[null::rngfunc2, (1,'foo')::rngfunc2, null::rngfunc2]) u; - a | b | row_to_json ----+-----+--------------------- - | | {"a":null,"b":null} - 1 | foo | {"a":1,"b":"foo"} - | | {"a":null,"b":null} -(3 rows) - -select *, row_to_json(u) from unnest(array[]::rngfunc2[]) u; - a | b | row_to_json ----+---+------------- -(0 rows) - -drop type rngfunc2; --- check handling of functions pulled up into function RTEs (bug #17227) -explain (verbose, costs off) -select * from - (select jsonb_path_query_array(module->'lectures', '$[*]') as lecture - from unnest(array['{"lectures": [{"id": "1"}]}'::jsonb]) - as unnested_modules(module)) as ss, - jsonb_to_recordset(ss.lecture) as j (id text); - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------------------------- - Nested Loop - Output: jsonb_path_query_array((unnested_modules.module -> 'lectures'::text), '$[*]'::jsonpath, '{}'::jsonb, false), j.id - -> Function Scan on pg_catalog.unnest unnested_modules - Output: unnested_modules.module - Function Call: unnest('{"{\"lectures\": [{\"id\": \"1\"}]}"}'::jsonb[]) - -> Function Scan on pg_catalog.jsonb_to_recordset j - Output: j.id - Function Call: jsonb_to_recordset(jsonb_path_query_array((unnested_modules.module -> 'lectures'::text), '$[*]'::jsonpath, '{}'::jsonb, false)) -(8 rows) - -select * from - (select jsonb_path_query_array(module->'lectures', '$[*]') as lecture - from unnest(array['{"lectures": [{"id": "1"}]}'::jsonb]) - as unnested_modules(module)) as ss, - jsonb_to_recordset(ss.lecture) as j (id text); - lecture | id ----------------+---- - [{"id": "1"}] | 1 -(1 row) - --- check detection of mismatching record types with a const-folded expression -with a(b) as (values (row(1,2,3))) -select * from a, coalesce(b) as c(d int, e int); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 3 attributes, but query expects 2. -with a(b) as (values (row(1,2,3))) -select * from a, coalesce(b) as c(d int, e int, f int, g int); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 3 attributes, but query expects 4. -with a(b) as (values (row(1,2,3))) -select * from a, coalesce(b) as c(d int, e int, f float); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned type integer at ordinal position 3, but query expects double precision. -select * from int8_tbl, coalesce(row(1)) as (a int, b int); -- fail -ERROR: function return row and query-specified return row do not match -DETAIL: Returned row contains 1 attribute, but query expects 2. +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/prepare.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/prepare.out --- /tmp/cirrus-ci-build/src/test/regress/expected/prepare.out 2025-06-04 16:00:28.776519000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/prepare.out 2025-06-04 16:05:11.009258000 +0000 @@ -1,194 +1,2 @@ --- Regression tests for prepareable statements. We query the content --- of the pg_prepared_statements view as prepared statements are --- created and removed. -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements; - name | statement | parameter_types | result_types -------+-----------+-----------------+-------------- -(0 rows) - -PREPARE q1 AS SELECT 1 AS a; -EXECUTE q1; - a ---- - 1 -(1 row) - -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements; - name | statement | parameter_types | result_types -------+------------------------------+-----------------+-------------- - q1 | PREPARE q1 AS SELECT 1 AS a; | {} | {integer} -(1 row) - --- should fail -PREPARE q1 AS SELECT 2; -ERROR: prepared statement "q1" already exists --- should succeed -DEALLOCATE q1; -PREPARE q1 AS SELECT 2; -EXECUTE q1; - ?column? ----------- - 2 -(1 row) - -PREPARE q2 AS SELECT 2 AS b; -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements; - name | statement | parameter_types | result_types -------+------------------------------+-----------------+-------------- - q1 | PREPARE q1 AS SELECT 2; | {} | {integer} - q2 | PREPARE q2 AS SELECT 2 AS b; | {} | {integer} -(2 rows) - --- sql92 syntax -DEALLOCATE PREPARE q1; -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements; - name | statement | parameter_types | result_types -------+------------------------------+-----------------+-------------- - q2 | PREPARE q2 AS SELECT 2 AS b; | {} | {integer} -(1 row) - -DEALLOCATE PREPARE q2; --- the view should return the empty set again -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements; - name | statement | parameter_types | result_types -------+-----------+-----------------+-------------- -(0 rows) - --- parameterized queries -PREPARE q2(text) AS - SELECT datname, datistemplate, datallowconn - FROM pg_database WHERE datname = $1; -EXECUTE q2('postgres'); - datname | datistemplate | datallowconn -----------+---------------+-------------- - postgres | f | t -(1 row) - -PREPARE q3(text, int, float, boolean, smallint) AS - SELECT * FROM tenk1 WHERE string4 = $1 AND (four = $2 OR - ten = $3::bigint OR true = $4 OR odd = $5::int) - ORDER BY unique1; -EXECUTE q3('AAAAxx', 5::smallint, 10.5::float, false, 4::bigint); - unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 ----------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+--------- - 2 | 2716 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 5 | CAAAAA | MAEAAA | AAAAxx - 102 | 612 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 102 | 102 | 4 | 5 | YDAAAA | OXAAAA | AAAAxx - 802 | 2908 | 0 | 2 | 2 | 2 | 2 | 802 | 802 | 802 | 802 | 4 | 5 | WEAAAA | WHEAAA | AAAAxx - 902 | 1104 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 902 | 902 | 4 | 5 | SIAAAA | MQBAAA | AAAAxx - 1002 | 2580 | 0 | 2 | 2 | 2 | 2 | 2 | 1002 | 1002 | 1002 | 4 | 5 | OMAAAA | GVDAAA | AAAAxx - 1602 | 8148 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 1602 | 1602 | 4 | 5 | QJAAAA | KBMAAA | AAAAxx - 1702 | 7940 | 0 | 2 | 2 | 2 | 2 | 702 | 1702 | 1702 | 1702 | 4 | 5 | MNAAAA | KTLAAA | AAAAxx - 2102 | 6184 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 2102 | 2102 | 4 | 5 | WCAAAA | WDJAAA | AAAAxx - 2202 | 8028 | 0 | 2 | 2 | 2 | 2 | 202 | 202 | 2202 | 2202 | 4 | 5 | SGAAAA | UWLAAA | AAAAxx - 2302 | 7112 | 0 | 2 | 2 | 2 | 2 | 302 | 302 | 2302 | 2302 | 4 | 5 | OKAAAA | ONKAAA | AAAAxx - 2902 | 6816 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 2902 | 2902 | 4 | 5 | QHAAAA | ECKAAA | AAAAxx - 3202 | 7128 | 0 | 2 | 2 | 2 | 2 | 202 | 1202 | 3202 | 3202 | 4 | 5 | ETAAAA | EOKAAA | AAAAxx - 3902 | 9224 | 0 | 2 | 2 | 2 | 2 | 902 | 1902 | 3902 | 3902 | 4 | 5 | CUAAAA | UQNAAA | AAAAxx - 4102 | 7676 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 4102 | 4102 | 4 | 5 | UBAAAA | GJLAAA | AAAAxx - 4202 | 6628 | 0 | 2 | 2 | 2 | 2 | 202 | 202 | 4202 | 4202 | 4 | 5 | QFAAAA | YUJAAA | AAAAxx - 4502 | 412 | 0 | 2 | 2 | 2 | 2 | 502 | 502 | 4502 | 4502 | 4 | 5 | ERAAAA | WPAAAA | AAAAxx - 4702 | 2520 | 0 | 2 | 2 | 2 | 2 | 702 | 702 | 4702 | 4702 | 4 | 5 | WYAAAA | YSDAAA | AAAAxx - 4902 | 1600 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 4902 | 4902 | 4 | 5 | OGAAAA | OJCAAA | AAAAxx - 5602 | 8796 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 602 | 5602 | 4 | 5 | MHAAAA | IANAAA | AAAAxx - 6002 | 8932 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 1002 | 6002 | 4 | 5 | WWAAAA | OFNAAA | AAAAxx - 6402 | 3808 | 0 | 2 | 2 | 2 | 2 | 402 | 402 | 1402 | 6402 | 4 | 5 | GMAAAA | MQFAAA | AAAAxx - 7602 | 1040 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 2602 | 7602 | 4 | 5 | KGAAAA | AOBAAA | AAAAxx - 7802 | 7508 | 0 | 2 | 2 | 2 | 2 | 802 | 1802 | 2802 | 7802 | 4 | 5 | COAAAA | UCLAAA | AAAAxx - 8002 | 9980 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 3002 | 8002 | 4 | 5 | UVAAAA | WTOAAA | AAAAxx - 8302 | 7800 | 0 | 2 | 2 | 2 | 2 | 302 | 302 | 3302 | 8302 | 4 | 5 | IHAAAA | AOLAAA | AAAAxx - 8402 | 5708 | 0 | 2 | 2 | 2 | 2 | 402 | 402 | 3402 | 8402 | 4 | 5 | ELAAAA | OLIAAA | AAAAxx - 8602 | 5440 | 0 | 2 | 2 | 2 | 2 | 602 | 602 | 3602 | 8602 | 4 | 5 | WSAAAA | GBIAAA | AAAAxx - 9502 | 1812 | 0 | 2 | 2 | 2 | 2 | 502 | 1502 | 4502 | 9502 | 4 | 5 | MBAAAA | SRCAAA | AAAAxx - 9602 | 9972 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 4602 | 9602 | 4 | 5 | IFAAAA | OTOAAA | AAAAxx -(29 rows) - --- too few params -EXECUTE q3('bool'); -ERROR: wrong number of parameters for prepared statement "q3" -DETAIL: Expected 5 parameters but got 1. --- too many params -EXECUTE q3('bytea', 5::smallint, 10.5::float, false, 4::bigint, true); -ERROR: wrong number of parameters for prepared statement "q3" -DETAIL: Expected 5 parameters but got 6. --- wrong param types -EXECUTE q3(5::smallint, 10.5::float, false, 4::bigint, 'bytea'); -ERROR: parameter $3 of type boolean cannot be coerced to the expected type double precision -LINE 1: EXECUTE q3(5::smallint, 10.5::float, false, 4::bigint, 'byte... - ^ -HINT: You will need to rewrite or cast the expression. --- invalid type -PREPARE q4(nonexistenttype) AS SELECT $1; -ERROR: type "nonexistenttype" does not exist -LINE 1: PREPARE q4(nonexistenttype) AS SELECT $1; - ^ --- create table as execute -PREPARE q5(int, text) AS - SELECT * FROM tenk1 WHERE unique1 = $1 OR stringu1 = $2 - ORDER BY unique1; -CREATE TEMPORARY TABLE q5_prep_results AS EXECUTE q5(200, 'DTAAAA'); -SELECT * FROM q5_prep_results; - unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 ----------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+--------- - 200 | 9441 | 0 | 0 | 0 | 0 | 0 | 200 | 200 | 200 | 200 | 0 | 1 | SHAAAA | DZNAAA | HHHHxx - 497 | 9092 | 1 | 1 | 7 | 17 | 97 | 497 | 497 | 497 | 497 | 194 | 195 | DTAAAA | SLNAAA | AAAAxx - 1173 | 6699 | 1 | 1 | 3 | 13 | 73 | 173 | 1173 | 1173 | 1173 | 146 | 147 | DTAAAA | RXJAAA | VVVVxx - 1849 | 8143 | 1 | 1 | 9 | 9 | 49 | 849 | 1849 | 1849 | 1849 | 98 | 99 | DTAAAA | FBMAAA | VVVVxx - 2525 | 64 | 1 | 1 | 5 | 5 | 25 | 525 | 525 | 2525 | 2525 | 50 | 51 | DTAAAA | MCAAAA | AAAAxx - 3201 | 7309 | 1 | 1 | 1 | 1 | 1 | 201 | 1201 | 3201 | 3201 | 2 | 3 | DTAAAA | DVKAAA | HHHHxx - 3877 | 4060 | 1 | 1 | 7 | 17 | 77 | 877 | 1877 | 3877 | 3877 | 154 | 155 | DTAAAA | EAGAAA | AAAAxx - 4553 | 4113 | 1 | 1 | 3 | 13 | 53 | 553 | 553 | 4553 | 4553 | 106 | 107 | DTAAAA | FCGAAA | HHHHxx - 5229 | 6407 | 1 | 1 | 9 | 9 | 29 | 229 | 1229 | 229 | 5229 | 58 | 59 | DTAAAA | LMJAAA | VVVVxx - 5905 | 9537 | 1 | 1 | 5 | 5 | 5 | 905 | 1905 | 905 | 5905 | 10 | 11 | DTAAAA | VCOAAA | HHHHxx - 6581 | 4686 | 1 | 1 | 1 | 1 | 81 | 581 | 581 | 1581 | 6581 | 162 | 163 | DTAAAA | GYGAAA | OOOOxx - 7257 | 1895 | 1 | 1 | 7 | 17 | 57 | 257 | 1257 | 2257 | 7257 | 114 | 115 | DTAAAA | XUCAAA | VVVVxx - 7933 | 4514 | 1 | 1 | 3 | 13 | 33 | 933 | 1933 | 2933 | 7933 | 66 | 67 | DTAAAA | QRGAAA | OOOOxx - 8609 | 5918 | 1 | 1 | 9 | 9 | 9 | 609 | 609 | 3609 | 8609 | 18 | 19 | DTAAAA | QTIAAA | OOOOxx - 9285 | 8469 | 1 | 1 | 5 | 5 | 85 | 285 | 1285 | 4285 | 9285 | 170 | 171 | DTAAAA | TNMAAA | HHHHxx - 9961 | 2058 | 1 | 1 | 1 | 1 | 61 | 961 | 1961 | 4961 | 9961 | 122 | 123 | DTAAAA | EBDAAA | OOOOxx -(16 rows) - -CREATE TEMPORARY TABLE q5_prep_nodata AS EXECUTE q5(200, 'DTAAAA') - WITH NO DATA; -SELECT * FROM q5_prep_nodata; - unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 ----------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+--------- -(0 rows) - --- unknown or unspecified parameter types: should succeed -PREPARE q6 AS - SELECT * FROM tenk1 WHERE unique1 = $1 AND stringu1 = $2; -PREPARE q7(unknown) AS - SELECT * FROM road WHERE thepath = $1; --- DML statements -PREPARE q8 AS - UPDATE tenk1 SET stringu1 = $2 WHERE unique1 = $1; -SELECT name, statement, parameter_types, result_types FROM pg_prepared_statements - ORDER BY name; - name | statement | parameter_types | result_types -------+------------------------------------------------------------------+----------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------- - q2 | PREPARE q2(text) AS +| {text} | {name,boolean,boolean} - | SELECT datname, datistemplate, datallowconn +| | - | FROM pg_database WHERE datname = $1; | | - q3 | PREPARE q3(text, int, float, boolean, smallint) AS +| {text,integer,"double precision",boolean,smallint} | {integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,name,name,name} - | SELECT * FROM tenk1 WHERE string4 = $1 AND (four = $2 OR+| | - | ten = $3::bigint OR true = $4 OR odd = $5::int) +| | - | ORDER BY unique1; | | - q5 | PREPARE q5(int, text) AS +| {integer,text} | {integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,name,name,name} - | SELECT * FROM tenk1 WHERE unique1 = $1 OR stringu1 = $2 +| | - | ORDER BY unique1; | | - q6 | PREPARE q6 AS +| {integer,name} | {integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,integer,name,name,name} - | SELECT * FROM tenk1 WHERE unique1 = $1 AND stringu1 = $2; | | - q7 | PREPARE q7(unknown) AS +| {path} | {text,path} - | SELECT * FROM road WHERE thepath = $1; | | - q8 | PREPARE q8 AS +| {integer,name} | - | UPDATE tenk1 SET stringu1 = $2 WHERE unique1 = $1; | | -(6 rows) - --- test DEALLOCATE ALL; -DEALLOCATE ALL; -SELECT name, statement, parameter_types FROM pg_prepared_statements - ORDER BY name; - name | statement | parameter_types -------+-----------+----------------- -(0 rows) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/conversion.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/conversion.out --- /tmp/cirrus-ci-build/src/test/regress/expected/conversion.out 2025-06-04 16:00:28.725048000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/conversion.out 2025-06-04 16:05:11.011967000 +0000 @@ -1,746 +1,2 @@ --- --- create user defined conversion --- --- directory paths and dlsuffix are passed to us in environment variables -\getenv libdir PG_LIBDIR -\getenv dlsuffix PG_DLSUFFIX -\set regresslib :libdir '/regress' :dlsuffix -CREATE FUNCTION test_enc_setup() RETURNS void - AS :'regresslib', 'test_enc_setup' - LANGUAGE C STRICT; -SELECT FROM test_enc_setup(); --- -(1 row) - -CREATE FUNCTION test_enc_conversion(bytea, name, name, bool, validlen OUT int, result OUT bytea) - AS :'regresslib', 'test_enc_conversion' - LANGUAGE C STRICT; -CREATE USER regress_conversion_user WITH NOCREATEDB NOCREATEROLE; -SET SESSION AUTHORIZATION regress_conversion_user; -CREATE CONVERSION myconv FOR 'LATIN1' TO 'UTF8' FROM iso8859_1_to_utf8; --- --- cannot make same name conversion in same schema --- -CREATE CONVERSION myconv FOR 'LATIN1' TO 'UTF8' FROM iso8859_1_to_utf8; -ERROR: conversion "myconv" already exists --- --- create default conversion with qualified name --- -CREATE DEFAULT CONVERSION public.mydef FOR 'LATIN1' TO 'UTF8' FROM iso8859_1_to_utf8; --- --- cannot make default conversion with same schema/for_encoding/to_encoding --- -CREATE DEFAULT CONVERSION public.mydef2 FOR 'LATIN1' TO 'UTF8' FROM iso8859_1_to_utf8; -ERROR: default conversion for LATIN1 to UTF8 already exists --- test comments -COMMENT ON CONVERSION myconv_bad IS 'foo'; -ERROR: conversion "myconv_bad" does not exist -COMMENT ON CONVERSION myconv IS 'bar'; -COMMENT ON CONVERSION myconv IS NULL; --- --- drop user defined conversion --- -DROP CONVERSION myconv; -DROP CONVERSION mydef; --- --- Note: the built-in conversions are exercised in opr_sanity.sql, --- so there's no need to do that here. --- --- --- return to the superuser --- -RESET SESSION AUTHORIZATION; -DROP USER regress_conversion_user; --- --- Test built-in conversion functions. --- --- Helper function to test a conversion. Uses the test_enc_conversion function --- that was created in the create_function_0 test. -create or replace function test_conv( - input IN bytea, - src_encoding IN text, - dst_encoding IN text, - result OUT bytea, - errorat OUT bytea, - error OUT text) -language plpgsql as -$$ -declare - validlen int; -begin - -- First try to perform the conversion with noError = false. If that errors out, - -- capture the error message, and try again with noError = true. The second call - -- should succeed and return the position of the error, return that too. - begin - select * into validlen, result from test_enc_conversion(input, src_encoding, dst_encoding, false); - errorat = NULL; - error := NULL; - exception when others then - error := sqlerrm; - select * into validlen, result from test_enc_conversion(input, src_encoding, dst_encoding, true); - errorat = substr(input, validlen + 1); - end; - return; -end; -$$; --- --- UTF-8 --- --- The description column must be unique. -CREATE TABLE utf8_verification_inputs (inbytes bytea, description text PRIMARY KEY); -insert into utf8_verification_inputs values - ('\x66006f', 'NUL byte'), - ('\xaf', 'bare continuation'), - ('\xc5', 'missing second byte in 2-byte char'), - ('\xc080', 'smallest 2-byte overlong'), - ('\xc1bf', 'largest 2-byte overlong'), - ('\xc280', 'next 2-byte after overlongs'), - ('\xdfbf', 'largest 2-byte'), - ('\xe9af', 'missing third byte in 3-byte char'), - ('\xe08080', 'smallest 3-byte overlong'), - ('\xe09fbf', 'largest 3-byte overlong'), - ('\xe0a080', 'next 3-byte after overlong'), - ('\xed9fbf', 'last before surrogates'), - ('\xeda080', 'smallest surrogate'), - ('\xedbfbf', 'largest surrogate'), - ('\xee8080', 'next after surrogates'), - ('\xefbfbf', 'largest 3-byte'), - ('\xf1afbf', 'missing fourth byte in 4-byte char'), - ('\xf0808080', 'smallest 4-byte overlong'), - ('\xf08fbfbf', 'largest 4-byte overlong'), - ('\xf0908080', 'next 4-byte after overlong'), - ('\xf48fbfbf', 'largest 4-byte'), - ('\xf4908080', 'smallest too large'), - ('\xfa9a9a8a8a', '5-byte'); --- Test UTF-8 verification slow path -select description, (test_conv(inbytes, 'utf8', 'utf8')).* from utf8_verification_inputs; - description | result | errorat | error -------------------------------------+------------+--------------+---------------------------------------------------------------- - NUL byte | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - bare continuation | \x | \xaf | invalid byte sequence for encoding "UTF8": 0xaf - missing second byte in 2-byte char | \x | \xc5 | invalid byte sequence for encoding "UTF8": 0xc5 - smallest 2-byte overlong | \x | \xc080 | invalid byte sequence for encoding "UTF8": 0xc0 0x80 - largest 2-byte overlong | \x | \xc1bf | invalid byte sequence for encoding "UTF8": 0xc1 0xbf - next 2-byte after overlongs | \xc280 | | - largest 2-byte | \xdfbf | | - missing third byte in 3-byte char | \x | \xe9af | invalid byte sequence for encoding "UTF8": 0xe9 0xaf - smallest 3-byte overlong | \x | \xe08080 | invalid byte sequence for encoding "UTF8": 0xe0 0x80 0x80 - largest 3-byte overlong | \x | \xe09fbf | invalid byte sequence for encoding "UTF8": 0xe0 0x9f 0xbf - next 3-byte after overlong | \xe0a080 | | - last before surrogates | \xed9fbf | | - smallest surrogate | \x | \xeda080 | invalid byte sequence for encoding "UTF8": 0xed 0xa0 0x80 - largest surrogate | \x | \xedbfbf | invalid byte sequence for encoding "UTF8": 0xed 0xbf 0xbf - next after surrogates | \xee8080 | | - largest 3-byte | \xefbfbf | | - missing fourth byte in 4-byte char | \x | \xf1afbf | invalid byte sequence for encoding "UTF8": 0xf1 0xaf 0xbf - smallest 4-byte overlong | \x | \xf0808080 | invalid byte sequence for encoding "UTF8": 0xf0 0x80 0x80 0x80 - largest 4-byte overlong | \x | \xf08fbfbf | invalid byte sequence for encoding "UTF8": 0xf0 0x8f 0xbf 0xbf - next 4-byte after overlong | \xf0908080 | | - largest 4-byte | \xf48fbfbf | | - smallest too large | \x | \xf4908080 | invalid byte sequence for encoding "UTF8": 0xf4 0x90 0x80 0x80 - 5-byte | \x | \xfa9a9a8a8a | invalid byte sequence for encoding "UTF8": 0xfa -(23 rows) - --- Test UTF-8 verification with ASCII padding appended to provide --- coverage for algorithms that work on multiple bytes at a time. --- The error message for a sequence starting with a 4-byte lead --- will contain all 4 bytes if they are present, so various --- expressions below add 3 ASCII bytes to the end to ensure --- consistent error messages. --- The number 64 below needs to be at least the value of STRIDE_LENGTH in wchar.c. --- Test multibyte verification in fast path -with test_bytes as ( - select - inbytes, - description, - (test_conv(inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from utf8_verification_inputs -), test_padded as ( - select - description, - (test_conv(inbytes || repeat('.', 64)::bytea, 'utf8', 'utf8')).error - from test_bytes -) -select - description, - b.error as orig_error, - p.error as error_after_padding -from test_padded p -join test_bytes b -using (description) -where p.error is distinct from b.error -order by description; - description | orig_error | error_after_padding --------------+------------+--------------------- -(0 rows) - --- Test ASCII verification in fast path where incomplete --- UTF-8 sequences fall at the end of the preceding chunk. -with test_bytes as ( - select - inbytes, - description, - (test_conv(inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from utf8_verification_inputs -), test_padded as ( - select - description, - (test_conv(repeat('.', 64 - length(inbytes))::bytea || inbytes || repeat('.', 64)::bytea, 'utf8', 'utf8')).error - from test_bytes -) -select - description, - b.error as orig_error, - p.error as error_after_padding -from test_padded p -join test_bytes b -using (description) -where p.error is distinct from b.error -order by description; - description | orig_error | error_after_padding --------------+------------+--------------------- -(0 rows) - --- Test cases where UTF-8 sequences within short text --- come after the fast path returns. -with test_bytes as ( - select - inbytes, - description, - (test_conv(inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from utf8_verification_inputs -), test_padded as ( - select - description, - (test_conv(repeat('.', 64)::bytea || inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from test_bytes -) -select - description, - b.error as orig_error, - p.error as error_after_padding -from test_padded p -join test_bytes b -using (description) -where p.error is distinct from b.error -order by description; - description | orig_error | error_after_padding --------------+------------+--------------------- -(0 rows) - --- Test cases where incomplete UTF-8 sequences fall at the --- end of the part checked by the fast path. -with test_bytes as ( - select - inbytes, - description, - (test_conv(inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from utf8_verification_inputs -), test_padded as ( - select - description, - (test_conv(repeat('.', 64 - length(inbytes))::bytea || inbytes || repeat('.', 3)::bytea, 'utf8', 'utf8')).error - from test_bytes -) -select - description, - b.error as orig_error, - p.error as error_after_padding -from test_padded p -join test_bytes b -using (description) -where p.error is distinct from b.error -order by description; - description | orig_error | error_after_padding --------------+------------+--------------------- -(0 rows) - -CREATE TABLE utf8_inputs (inbytes bytea, description text); -insert into utf8_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\xc3a4c3b6', 'valid, extra latin chars'), - ('\xd184d0bed0be', 'valid, cyrillic'), - ('\x666f6fe8b1a1', 'valid, kanji/Chinese'), - ('\xe382abe3829a', 'valid, two chars that combine to one in EUC_JIS_2004'), - ('\xe382ab', 'only first half of combined char in EUC_JIS_2004'), - ('\xe382abe382', 'incomplete combination when converted EUC_JIS_2004'), - ('\xecbd94eb81bceba6ac', 'valid, Hangul, Korean'), - ('\x666f6fefa8aa', 'valid, needs mapping function to convert to GB18030'), - ('\x66e8b1ff6f6f', 'invalid byte sequence'), - ('\x66006f', 'invalid, NUL byte'), - ('\x666f6fe8b100', 'invalid, NUL byte'), - ('\x666f6fe8b1', 'incomplete character at end'); --- Test UTF-8 verification -select description, (test_conv(inbytes, 'utf8', 'utf8')).* from utf8_inputs; - description | result | errorat | error -------------------------------------------------------+----------------------+--------------+----------------------------------------------------------- - valid, pure ASCII | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | | - valid, cyrillic | \xd184d0bed0be | | - valid, kanji/Chinese | \x666f6fe8b1a1 | | - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | | - only first half of combined char in EUC_JIS_2004 | \xe382ab | | - incomplete combination when converted EUC_JIS_2004 | \xe382ab | \xe382 | invalid byte sequence for encoding "UTF8": 0xe3 0x82 - valid, Hangul, Korean | \xecbd94eb81bceba6ac | | - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | | - invalid byte sequence | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - --- Test conversions from UTF-8 -select description, inbytes, (test_conv(inbytes, 'utf8', 'euc_jis_2004')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------------+----------------------+------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \xa9daa9ec | | - valid, cyrillic | \xd184d0bed0be | \xa7e6a7e0a7e0 | | - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6fbedd | | - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \xa5f7 | | - only first half of combined char in EUC_JIS_2004 | \xe382ab | \xa5ab | | - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \x | \xe382abe382 | invalid byte sequence for encoding "UTF8": 0xe3 0x82 - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x | \xecbd94eb81bceba6ac | character with byte sequence 0xec 0xbd 0x94 in encoding "UTF8" has no equivalent in encoding "EUC_JIS_2004" - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f | \xefa8aa | character with byte sequence 0xef 0xa8 0xaa in encoding "UTF8" has no equivalent in encoding "EUC_JIS_2004" - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - -select description, inbytes, (test_conv(inbytes, 'utf8', 'latin1')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------+----------------------+------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \xe4f6 | | - valid, cyrillic | \xd184d0bed0be | \x | \xd184d0bed0be | character with byte sequence 0xd1 0x84 in encoding "UTF8" has no equivalent in encoding "LATIN1" - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6f | \xe8b1a1 | character with byte sequence 0xe8 0xb1 0xa1 in encoding "UTF8" has no equivalent in encoding "LATIN1" - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \x | \xe382abe3829a | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN1" - only first half of combined char in EUC_JIS_2004 | \xe382ab | \x | \xe382ab | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN1" - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \x | \xe382abe382 | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN1" - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x | \xecbd94eb81bceba6ac | character with byte sequence 0xec 0xbd 0x94 in encoding "UTF8" has no equivalent in encoding "LATIN1" - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f | \xefa8aa | character with byte sequence 0xef 0xa8 0xaa in encoding "UTF8" has no equivalent in encoding "LATIN1" - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - -select description, inbytes, (test_conv(inbytes, 'utf8', 'latin2')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------+----------------------+------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \xe4f6 | | - valid, cyrillic | \xd184d0bed0be | \x | \xd184d0bed0be | character with byte sequence 0xd1 0x84 in encoding "UTF8" has no equivalent in encoding "LATIN2" - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6f | \xe8b1a1 | character with byte sequence 0xe8 0xb1 0xa1 in encoding "UTF8" has no equivalent in encoding "LATIN2" - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \x | \xe382abe3829a | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN2" - only first half of combined char in EUC_JIS_2004 | \xe382ab | \x | \xe382ab | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN2" - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \x | \xe382abe382 | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN2" - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x | \xecbd94eb81bceba6ac | character with byte sequence 0xec 0xbd 0x94 in encoding "UTF8" has no equivalent in encoding "LATIN2" - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f | \xefa8aa | character with byte sequence 0xef 0xa8 0xaa in encoding "UTF8" has no equivalent in encoding "LATIN2" - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - -select description, inbytes, (test_conv(inbytes, 'utf8', 'latin5')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------+----------------------+------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \xe4f6 | | - valid, cyrillic | \xd184d0bed0be | \x | \xd184d0bed0be | character with byte sequence 0xd1 0x84 in encoding "UTF8" has no equivalent in encoding "LATIN5" - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6f | \xe8b1a1 | character with byte sequence 0xe8 0xb1 0xa1 in encoding "UTF8" has no equivalent in encoding "LATIN5" - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \x | \xe382abe3829a | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN5" - only first half of combined char in EUC_JIS_2004 | \xe382ab | \x | \xe382ab | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN5" - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \x | \xe382abe382 | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "LATIN5" - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x | \xecbd94eb81bceba6ac | character with byte sequence 0xec 0xbd 0x94 in encoding "UTF8" has no equivalent in encoding "LATIN5" - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f | \xefa8aa | character with byte sequence 0xef 0xa8 0xaa in encoding "UTF8" has no equivalent in encoding "LATIN5" - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - -select description, inbytes, (test_conv(inbytes, 'utf8', 'koi8r')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------+----------------------+------------------------------------------------------------------------------------------------------ - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \x | \xc3a4c3b6 | character with byte sequence 0xc3 0xa4 in encoding "UTF8" has no equivalent in encoding "KOI8R" - valid, cyrillic | \xd184d0bed0be | \xc6cfcf | | - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6f | \xe8b1a1 | character with byte sequence 0xe8 0xb1 0xa1 in encoding "UTF8" has no equivalent in encoding "KOI8R" - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \x | \xe382abe3829a | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "KOI8R" - only first half of combined char in EUC_JIS_2004 | \xe382ab | \x | \xe382ab | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "KOI8R" - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \x | \xe382abe382 | character with byte sequence 0xe3 0x82 0xab in encoding "UTF8" has no equivalent in encoding "KOI8R" - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x | \xecbd94eb81bceba6ac | character with byte sequence 0xec 0xbd 0x94 in encoding "UTF8" has no equivalent in encoding "KOI8R" - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f | \xefa8aa | character with byte sequence 0xef 0xa8 0xaa in encoding "UTF8" has no equivalent in encoding "KOI8R" - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - -select description, inbytes, (test_conv(inbytes, 'utf8', 'gb18030')).* from utf8_inputs; - description | inbytes | result | errorat | error -------------------------------------------------------+----------------------+----------------------------+--------------+----------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid, extra latin chars | \xc3a4c3b6 | \x81308a3181308b32 | | - valid, cyrillic | \xd184d0bed0be | \xa7e6a7e0a7e0 | | - valid, kanji/Chinese | \x666f6fe8b1a1 | \x666f6fcff3 | | - valid, two chars that combine to one in EUC_JIS_2004 | \xe382abe3829a | \xa5ab8139a732 | | - only first half of combined char in EUC_JIS_2004 | \xe382ab | \xa5ab | | - incomplete combination when converted EUC_JIS_2004 | \xe382abe382 | \xa5ab | \xe382 | invalid byte sequence for encoding "UTF8": 0xe3 0x82 - valid, Hangul, Korean | \xecbd94eb81bceba6ac | \x8334e5398238c4338330b335 | | - valid, needs mapping function to convert to GB18030 | \x666f6fefa8aa | \x666f6f84309c38 | | - invalid byte sequence | \x66e8b1ff6f6f | \x66 | \xe8b1ff6f6f | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0xff - invalid, NUL byte | \x66006f | \x66 | \x006f | invalid byte sequence for encoding "UTF8": 0x00 - invalid, NUL byte | \x666f6fe8b100 | \x666f6f | \xe8b100 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 0x00 - incomplete character at end | \x666f6fe8b1 | \x666f6f | \xe8b1 | invalid byte sequence for encoding "UTF8": 0xe8 0xb1 -(13 rows) - --- --- EUC_JIS_2004 --- -CREATE TABLE euc_jis_2004_inputs (inbytes bytea, description text); -insert into euc_jis_2004_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\x666f6fbedd', 'valid'), - ('\xa5f7', 'valid, translates to two UTF-8 chars '), - ('\xbeddbe', 'incomplete char '), - ('\x666f6f00bedd', 'invalid, NUL byte'), - ('\x666f6fbe00dd', 'invalid, NUL byte'), - ('\x666f6fbedd00', 'invalid, NUL byte'), - ('\xbe04', 'invalid byte sequence'); --- Test EUC_JIS_2004 verification -select description, inbytes, (test_conv(inbytes, 'euc_jis_2004', 'euc_jis_2004')).* from euc_jis_2004_inputs; - description | inbytes | result | errorat | error ----------------------------------------+----------------+--------------+----------+-------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fbedd | \x666f6fbedd | | - valid, translates to two UTF-8 chars | \xa5f7 | \xa5f7 | | - incomplete char | \xbeddbe | \xbedd | \xbe | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe - invalid, NUL byte | \x666f6f00bedd | \x666f6f | \x00bedd | invalid byte sequence for encoding "EUC_JIS_2004": 0x00 - invalid, NUL byte | \x666f6fbe00dd | \x666f6f | \xbe00dd | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe 0x00 - invalid, NUL byte | \x666f6fbedd00 | \x666f6fbedd | \x00 | invalid byte sequence for encoding "EUC_JIS_2004": 0x00 - invalid byte sequence | \xbe04 | \x | \xbe04 | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe 0x04 -(8 rows) - --- Test conversions from EUC_JIS_2004 -select description, inbytes, (test_conv(inbytes, 'euc_jis_2004', 'utf8')).* from euc_jis_2004_inputs; - description | inbytes | result | errorat | error ----------------------------------------+----------------+----------------+----------+-------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fbedd | \x666f6fe8b1a1 | | - valid, translates to two UTF-8 chars | \xa5f7 | \xe382abe3829a | | - incomplete char | \xbeddbe | \xe8b1a1 | \xbe | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe - invalid, NUL byte | \x666f6f00bedd | \x666f6f | \x00bedd | invalid byte sequence for encoding "EUC_JIS_2004": 0x00 - invalid, NUL byte | \x666f6fbe00dd | \x666f6f | \xbe00dd | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe 0x00 - invalid, NUL byte | \x666f6fbedd00 | \x666f6fe8b1a1 | \x00 | invalid byte sequence for encoding "EUC_JIS_2004": 0x00 - invalid byte sequence | \xbe04 | \x | \xbe04 | invalid byte sequence for encoding "EUC_JIS_2004": 0xbe 0x04 -(8 rows) - --- --- SHIFT-JIS-2004 --- -CREATE TABLE shiftjis2004_inputs (inbytes bytea, description text); -insert into shiftjis2004_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\x666f6f8fdb', 'valid'), - ('\x666f6f81c0', 'valid, no translation to UTF-8'), - ('\x666f6f82f5', 'valid, translates to two UTF-8 chars '), - ('\x666f6f8fdb8f', 'incomplete char '), - ('\x666f6f820a', 'incomplete char, followed by newline '), - ('\x666f6f008fdb', 'invalid, NUL byte'), - ('\x666f6f8f00db', 'invalid, NUL byte'), - ('\x666f6f8fdb00', 'invalid, NUL byte'); --- Test SHIFT-JIS-2004 verification -select description, inbytes, (test_conv(inbytes, 'shiftjis2004', 'shiftjis2004')).* from shiftjis2004_inputs; - description | inbytes | result | errorat | error ----------------------------------------+----------------+--------------+----------+---------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6f8fdb | \x666f6f8fdb | | - valid, no translation to UTF-8 | \x666f6f81c0 | \x666f6f81c0 | | - valid, translates to two UTF-8 chars | \x666f6f82f5 | \x666f6f82f5 | | - incomplete char | \x666f6f8fdb8f | \x666f6f8fdb | \x8f | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f - incomplete char, followed by newline | \x666f6f820a | \x666f6f | \x820a | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x82 0x0a - invalid, NUL byte | \x666f6f008fdb | \x666f6f | \x008fdb | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 - invalid, NUL byte | \x666f6f8f00db | \x666f6f | \x8f00db | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f 0x00 - invalid, NUL byte | \x666f6f8fdb00 | \x666f6f8fdb | \x00 | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 -(9 rows) - --- Test conversions from SHIFT-JIS-2004 -select description, inbytes, (test_conv(inbytes, 'shiftjis2004', 'utf8')).* from shiftjis2004_inputs; - description | inbytes | result | errorat | error ----------------------------------------+----------------+----------------------+----------+---------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6f8fdb | \x666f6fe8b1a1 | | - valid, no translation to UTF-8 | \x666f6f81c0 | \x666f6fe28a84 | | - valid, translates to two UTF-8 chars | \x666f6f82f5 | \x666f6fe3818be3829a | | - incomplete char | \x666f6f8fdb8f | \x666f6fe8b1a1 | \x8f | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f - incomplete char, followed by newline | \x666f6f820a | \x666f6f | \x820a | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x82 0x0a - invalid, NUL byte | \x666f6f008fdb | \x666f6f | \x008fdb | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 - invalid, NUL byte | \x666f6f8f00db | \x666f6f | \x8f00db | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f 0x00 - invalid, NUL byte | \x666f6f8fdb00 | \x666f6fe8b1a1 | \x00 | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 -(9 rows) - -select description, inbytes, (test_conv(inbytes, 'shiftjis2004', 'euc_jis_2004')).* from shiftjis2004_inputs; - description | inbytes | result | errorat | error ----------------------------------------+----------------+--------------+----------+---------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6f8fdb | \x666f6fbedd | | - valid, no translation to UTF-8 | \x666f6f81c0 | \x666f6fa2c2 | | - valid, translates to two UTF-8 chars | \x666f6f82f5 | \x666f6fa4f7 | | - incomplete char | \x666f6f8fdb8f | \x666f6fbedd | \x8f | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f - incomplete char, followed by newline | \x666f6f820a | \x666f6f | \x820a | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x82 0x0a - invalid, NUL byte | \x666f6f008fdb | \x666f6f | \x008fdb | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 - invalid, NUL byte | \x666f6f8f00db | \x666f6f | \x8f00db | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x8f 0x00 - invalid, NUL byte | \x666f6f8fdb00 | \x666f6fbedd | \x00 | invalid byte sequence for encoding "SHIFT_JIS_2004": 0x00 -(9 rows) - --- --- GB18030 --- -CREATE TABLE gb18030_inputs (inbytes bytea, description text); -insert into gb18030_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\x666f6fcff3', 'valid'), - ('\x666f6f8431a530', 'valid, no translation to UTF-8'), - ('\x666f6f84309c38', 'valid, translates to UTF-8 by mapping function'), - ('\x666f6f84309c', 'incomplete char '), - ('\x666f6f84309c0a', 'incomplete char, followed by newline '), - ('\x666f6f84', 'incomplete char at end'), - ('\x666f6f84309c3800', 'invalid, NUL byte'), - ('\x666f6f84309c0038', 'invalid, NUL byte'); --- Test GB18030 verification. Round-trip through text so the backing of the --- bytea values is palloc, not shared_buffers. This lets Valgrind detect --- reads past the end. -select description, inbytes, (test_conv(inbytes::text::bytea, 'gb18030', 'gb18030')).* from gb18030_inputs; - description | inbytes | result | errorat | error -------------------------------------------------+--------------------+------------------+--------------+------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fcff3 | \x666f6fcff3 | | - valid, no translation to UTF-8 | \x666f6f8431a530 | \x666f6f8431a530 | | - valid, translates to UTF-8 by mapping function | \x666f6f84309c38 | \x666f6f84309c38 | | - incomplete char | \x666f6f84309c | \x666f6f | \x84309c | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c - incomplete char, followed by newline | \x666f6f84309c0a | \x666f6f | \x84309c0a | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c 0x0a - incomplete char at end | \x666f6f84 | \x666f6f | \x84 | invalid byte sequence for encoding "GB18030": 0x84 - invalid, NUL byte | \x666f6f84309c3800 | \x666f6f84309c38 | \x00 | invalid byte sequence for encoding "GB18030": 0x00 - invalid, NUL byte | \x666f6f84309c0038 | \x666f6f | \x84309c0038 | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c 0x00 -(9 rows) - --- Test conversions from GB18030 -select description, inbytes, (test_conv(inbytes, 'gb18030', 'utf8')).* from gb18030_inputs; - description | inbytes | result | errorat | error -------------------------------------------------+--------------------+----------------+--------------+------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fcff3 | \x666f6fe8b1a1 | | - valid, no translation to UTF-8 | \x666f6f8431a530 | \x666f6f | \x8431a530 | character with byte sequence 0x84 0x31 0xa5 0x30 in encoding "GB18030" has no equivalent in encoding "UTF8" - valid, translates to UTF-8 by mapping function | \x666f6f84309c38 | \x666f6fefa8aa | | - incomplete char | \x666f6f84309c | \x666f6f | \x84309c | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c - incomplete char, followed by newline | \x666f6f84309c0a | \x666f6f | \x84309c0a | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c 0x0a - incomplete char at end | \x666f6f84 | \x666f6f | \x84 | invalid byte sequence for encoding "GB18030": 0x84 - invalid, NUL byte | \x666f6f84309c3800 | \x666f6fefa8aa | \x00 | invalid byte sequence for encoding "GB18030": 0x00 - invalid, NUL byte | \x666f6f84309c0038 | \x666f6f | \x84309c0038 | invalid byte sequence for encoding "GB18030": 0x84 0x30 0x9c 0x00 -(9 rows) - --- --- ISO-8859-5 --- -CREATE TABLE iso8859_5_inputs (inbytes bytea, description text); -insert into iso8859_5_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\xe4dede', 'valid'), - ('\x00', 'invalid, NUL byte'), - ('\xe400dede', 'invalid, NUL byte'), - ('\xe4dede00', 'invalid, NUL byte'); --- Test ISO-8859-5 verification -select description, inbytes, (test_conv(inbytes, 'iso8859-5', 'iso8859-5')).* from iso8859_5_inputs; - description | inbytes | result | errorat | error --------------------+------------+----------+----------+------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \xe4dede | \xe4dede | | - invalid, NUL byte | \x00 | \x | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe400dede | \xe4 | \x00dede | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe4dede00 | \xe4dede | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 -(5 rows) - --- Test conversions from ISO-8859-5 -select description, inbytes, (test_conv(inbytes, 'iso8859-5', 'utf8')).* from iso8859_5_inputs; - description | inbytes | result | errorat | error --------------------+------------+----------------+----------+------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \xe4dede | \xd184d0bed0be | | - invalid, NUL byte | \x00 | \x | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe400dede | \xd184 | \x00dede | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe4dede00 | \xd184d0bed0be | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 -(5 rows) - -select description, inbytes, (test_conv(inbytes, 'iso8859-5', 'koi8r')).* from iso8859_5_inputs; - description | inbytes | result | errorat | error --------------------+------------+----------+----------+------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \xe4dede | \xc6cfcf | | - invalid, NUL byte | \x00 | \x | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe400dede | \xc6 | \x00dede | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe4dede00 | \xc6cfcf | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 -(5 rows) - -select description, inbytes, (test_conv(inbytes, 'iso8859_5', 'mule_internal')).* from iso8859_5_inputs; - description | inbytes | result | errorat | error --------------------+------------+----------------+----------+------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \xe4dede | \x8bc68bcf8bcf | | - invalid, NUL byte | \x00 | \x | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe400dede | \x8bc6 | \x00dede | invalid byte sequence for encoding "ISO_8859_5": 0x00 - invalid, NUL byte | \xe4dede00 | \x8bc68bcf8bcf | \x00 | invalid byte sequence for encoding "ISO_8859_5": 0x00 -(5 rows) - --- --- Big5 --- -CREATE TABLE big5_inputs (inbytes bytea, description text); -insert into big5_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\x666f6fb648', 'valid'), - ('\x666f6fa27f', 'valid, no translation to UTF-8'), - ('\x666f6fb60048', 'invalid, NUL byte'), - ('\x666f6fb64800', 'invalid, NUL byte'); --- Test Big5 verification -select description, inbytes, (test_conv(inbytes, 'big5', 'big5')).* from big5_inputs; - description | inbytes | result | errorat | error ---------------------------------+----------------+--------------+----------+------------------------------------------------------ - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fb648 | \x666f6fb648 | | - valid, no translation to UTF-8 | \x666f6fa27f | \x666f6fa27f | | - invalid, NUL byte | \x666f6fb60048 | \x666f6f | \xb60048 | invalid byte sequence for encoding "BIG5": 0xb6 0x00 - invalid, NUL byte | \x666f6fb64800 | \x666f6fb648 | \x00 | invalid byte sequence for encoding "BIG5": 0x00 -(5 rows) - --- Test conversions from Big5 -select description, inbytes, (test_conv(inbytes, 'big5', 'utf8')).* from big5_inputs; - description | inbytes | result | errorat | error ---------------------------------+----------------+----------------+----------+------------------------------------------------------------------------------------------------ - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fb648 | \x666f6fe8b1a1 | | - valid, no translation to UTF-8 | \x666f6fa27f | \x666f6f | \xa27f | character with byte sequence 0xa2 0x7f in encoding "BIG5" has no equivalent in encoding "UTF8" - invalid, NUL byte | \x666f6fb60048 | \x666f6f | \xb60048 | invalid byte sequence for encoding "BIG5": 0xb6 0x00 - invalid, NUL byte | \x666f6fb64800 | \x666f6fe8b1a1 | \x00 | invalid byte sequence for encoding "BIG5": 0x00 -(5 rows) - -select description, inbytes, (test_conv(inbytes, 'big5', 'mule_internal')).* from big5_inputs; - description | inbytes | result | errorat | error ---------------------------------+----------------+----------------+----------+------------------------------------------------------ - valid, pure ASCII | \x666f6f | \x666f6f | | - valid | \x666f6fb648 | \x666f6f95e2af | | - valid, no translation to UTF-8 | \x666f6fa27f | \x666f6f95a3c1 | | - invalid, NUL byte | \x666f6fb60048 | \x666f6f | \xb60048 | invalid byte sequence for encoding "BIG5": 0xb6 0x00 - invalid, NUL byte | \x666f6fb64800 | \x666f6f95e2af | \x00 | invalid byte sequence for encoding "BIG5": 0x00 -(5 rows) - --- --- MULE_INTERNAL --- -CREATE TABLE mic_inputs (inbytes bytea, description text); -insert into mic_inputs values - ('\x666f6f', 'valid, pure ASCII'), - ('\x8bc68bcf8bcf', 'valid (in KOI8R)'), - ('\x8bc68bcf8b', 'invalid,incomplete char'), - ('\x92bedd', 'valid (in SHIFT_JIS)'), - ('\x92be', 'invalid, incomplete char)'), - ('\x666f6f95a3c1', 'valid (in Big5)'), - ('\x666f6f95a3', 'invalid, incomplete char'), - ('\x9200bedd', 'invalid, NUL byte'), - ('\x92bedd00', 'invalid, NUL byte'), - ('\x8b00c68bcf8bcf', 'invalid, NUL byte'); --- Test MULE_INTERNAL verification -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'mule_internal')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+----------------+------------------+-------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \x8bc68bcf8bcf | | - invalid,incomplete char | \x8bc68bcf8b | \x8bc68bcf | \x8b | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b - valid (in SHIFT_JIS) | \x92bedd | \x92bedd | | - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6f95a3c1 | | - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0x00 0xbe - invalid, NUL byte | \x92bedd00 | \x92bedd | \x00 | invalid byte sequence for encoding "MULE_INTERNAL": 0x00 - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b 0x00 -(10 rows) - --- Test conversions from MULE_INTERNAL -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'koi8r')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+----------+------------------+--------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \xc6cfcf | | - invalid,incomplete char | \x8bc68bcf8b | \xc6cf | \x8b | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b - valid (in SHIFT_JIS) | \x92bedd | \x | \x92bedd | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "KOI8R" - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6f | \x95a3c1 | character with byte sequence 0x95 0xa3 0xc1 in encoding "MULE_INTERNAL" has no equivalent in encoding "KOI8R" - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | character with byte sequence 0x92 0x00 0xbe in encoding "MULE_INTERNAL" has no equivalent in encoding "KOI8R" - invalid, NUL byte | \x92bedd00 | \x | \x92bedd00 | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "KOI8R" - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | character with byte sequence 0x8b 0x00 in encoding "MULE_INTERNAL" has no equivalent in encoding "KOI8R" -(10 rows) - -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'iso8859-5')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+----------+------------------+-------------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \xe4dede | | - invalid,incomplete char | \x8bc68bcf8b | \xe4de | \x8b | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b - valid (in SHIFT_JIS) | \x92bedd | \x | \x92bedd | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "ISO_8859_5" - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6f | \x95a3c1 | character with byte sequence 0x95 0xa3 0xc1 in encoding "MULE_INTERNAL" has no equivalent in encoding "ISO_8859_5" - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | character with byte sequence 0x92 0x00 0xbe in encoding "MULE_INTERNAL" has no equivalent in encoding "ISO_8859_5" - invalid, NUL byte | \x92bedd00 | \x | \x92bedd00 | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "ISO_8859_5" - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | character with byte sequence 0x8b 0x00 in encoding "MULE_INTERNAL" has no equivalent in encoding "ISO_8859_5" -(10 rows) - -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'sjis')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+----------+------------------+-------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \x | \x8bc68bcf8bcf | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "SJIS" - invalid,incomplete char | \x8bc68bcf8b | \x | \x8bc68bcf8b | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "SJIS" - valid (in SHIFT_JIS) | \x92bedd | \x8fdb | | - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6f | \x95a3c1 | character with byte sequence 0x95 0xa3 0xc1 in encoding "MULE_INTERNAL" has no equivalent in encoding "SJIS" - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0x00 0xbe - invalid, NUL byte | \x92bedd00 | \x8fdb | \x00 | invalid byte sequence for encoding "MULE_INTERNAL": 0x00 - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b 0x00 -(10 rows) - -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'big5')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+--------------+------------------+-------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \x | \x8bc68bcf8bcf | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "BIG5" - invalid,incomplete char | \x8bc68bcf8b | \x | \x8bc68bcf8b | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "BIG5" - valid (in SHIFT_JIS) | \x92bedd | \x | \x92bedd | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "BIG5" - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6fa2a1 | | - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0x00 0xbe - invalid, NUL byte | \x92bedd00 | \x | \x92bedd00 | character with byte sequence 0x92 0xbe 0xdd in encoding "MULE_INTERNAL" has no equivalent in encoding "BIG5" - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b 0x00 -(10 rows) - -select description, inbytes, (test_conv(inbytes, 'mule_internal', 'euc_jp')).* from mic_inputs; - description | inbytes | result | errorat | error ----------------------------+------------------+----------+------------------+---------------------------------------------------------------------------------------------------------------- - valid, pure ASCII | \x666f6f | \x666f6f | | - valid (in KOI8R) | \x8bc68bcf8bcf | \x | \x8bc68bcf8bcf | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "EUC_JP" - invalid,incomplete char | \x8bc68bcf8b | \x | \x8bc68bcf8b | character with byte sequence 0x8b 0xc6 in encoding "MULE_INTERNAL" has no equivalent in encoding "EUC_JP" - valid (in SHIFT_JIS) | \x92bedd | \xbedd | | - invalid, incomplete char) | \x92be | \x | \x92be | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0xbe - valid (in Big5) | \x666f6f95a3c1 | \x666f6f | \x95a3c1 | character with byte sequence 0x95 0xa3 0xc1 in encoding "MULE_INTERNAL" has no equivalent in encoding "EUC_JP" - invalid, incomplete char | \x666f6f95a3 | \x666f6f | \x95a3 | invalid byte sequence for encoding "MULE_INTERNAL": 0x95 0xa3 - invalid, NUL byte | \x9200bedd | \x | \x9200bedd | invalid byte sequence for encoding "MULE_INTERNAL": 0x92 0x00 0xbe - invalid, NUL byte | \x92bedd00 | \xbedd | \x00 | invalid byte sequence for encoding "MULE_INTERNAL": 0x00 - invalid, NUL byte | \x8b00c68bcf8bcf | \x | \x8b00c68bcf8bcf | invalid byte sequence for encoding "MULE_INTERNAL": 0x8b 0x00 -(10 rows) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/truncate.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/truncate.out --- /tmp/cirrus-ci-build/src/test/regress/expected/truncate.out 2025-06-04 16:00:28.800073000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/truncate.out 2025-06-04 16:05:11.003060000 +0000 @@ -1,594 +1,2 @@ --- Test basic TRUNCATE functionality. -CREATE TABLE truncate_a (col1 integer primary key); -INSERT INTO truncate_a VALUES (1); -INSERT INTO truncate_a VALUES (2); -SELECT * FROM truncate_a; - col1 ------- - 1 - 2 -(2 rows) - --- Roll truncate back -BEGIN; -TRUNCATE truncate_a; -ROLLBACK; -SELECT * FROM truncate_a; - col1 ------- - 1 - 2 -(2 rows) - --- Commit the truncate this time -BEGIN; -TRUNCATE truncate_a; -COMMIT; -SELECT * FROM truncate_a; - col1 ------- -(0 rows) - --- Test foreign-key checks -CREATE TABLE trunc_b (a int REFERENCES truncate_a); -CREATE TABLE trunc_c (a serial PRIMARY KEY); -CREATE TABLE trunc_d (a int REFERENCES trunc_c); -CREATE TABLE trunc_e (a int REFERENCES truncate_a, b int REFERENCES trunc_c); -TRUNCATE TABLE truncate_a; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_b" references "truncate_a". -HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE truncate_a,trunc_b; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_e" references "truncate_a". -HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE truncate_a,trunc_b,trunc_e; -- ok -TRUNCATE TABLE truncate_a,trunc_e; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_b" references "truncate_a". -HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_d" references "trunc_c". -HINT: Truncate table "trunc_d" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,trunc_d; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_e" references "trunc_c". -HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,trunc_d,trunc_e; -- ok -TRUNCATE TABLE trunc_c,trunc_d,trunc_e,truncate_a; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_b" references "truncate_a". -HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,trunc_d,trunc_e,truncate_a,trunc_b; -- ok -TRUNCATE TABLE truncate_a RESTRICT; -- fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_b" references "truncate_a". -HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE truncate_a CASCADE; -- ok -NOTICE: truncate cascades to table "trunc_b" -NOTICE: truncate cascades to table "trunc_e" --- circular references -ALTER TABLE truncate_a ADD FOREIGN KEY (col1) REFERENCES trunc_c; --- Add some data to verify that truncating actually works ... -INSERT INTO trunc_c VALUES (1); -INSERT INTO truncate_a VALUES (1); -INSERT INTO trunc_b VALUES (1); -INSERT INTO trunc_d VALUES (1); -INSERT INTO trunc_e VALUES (1,1); -TRUNCATE TABLE trunc_c; -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "truncate_a" references "trunc_c". -HINT: Truncate table "truncate_a" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,truncate_a; -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_d" references "trunc_c". -HINT: Truncate table "trunc_d" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,truncate_a,trunc_d; -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_e" references "trunc_c". -HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,truncate_a,trunc_d,trunc_e; -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "trunc_b" references "truncate_a". -HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. -TRUNCATE TABLE trunc_c,truncate_a,trunc_d,trunc_e,trunc_b; --- Verify that truncating did actually work -SELECT * FROM truncate_a - UNION ALL - SELECT * FROM trunc_c - UNION ALL - SELECT * FROM trunc_b - UNION ALL - SELECT * FROM trunc_d; - col1 ------- -(0 rows) - -SELECT * FROM trunc_e; - a | b ----+--- -(0 rows) - --- Add data again to test TRUNCATE ... CASCADE -INSERT INTO trunc_c VALUES (1); -INSERT INTO truncate_a VALUES (1); -INSERT INTO trunc_b VALUES (1); -INSERT INTO trunc_d VALUES (1); -INSERT INTO trunc_e VALUES (1,1); -TRUNCATE TABLE trunc_c CASCADE; -- ok -NOTICE: truncate cascades to table "truncate_a" -NOTICE: truncate cascades to table "trunc_d" -NOTICE: truncate cascades to table "trunc_e" -NOTICE: truncate cascades to table "trunc_b" -SELECT * FROM truncate_a - UNION ALL - SELECT * FROM trunc_c - UNION ALL - SELECT * FROM trunc_b - UNION ALL - SELECT * FROM trunc_d; - col1 ------- -(0 rows) - -SELECT * FROM trunc_e; - a | b ----+--- -(0 rows) - -DROP TABLE truncate_a,trunc_c,trunc_b,trunc_d,trunc_e CASCADE; --- Test TRUNCATE with inheritance -CREATE TABLE trunc_f (col1 integer primary key); -INSERT INTO trunc_f VALUES (1); -INSERT INTO trunc_f VALUES (2); -CREATE TABLE trunc_fa (col2a text) INHERITS (trunc_f); -INSERT INTO trunc_fa VALUES (3, 'three'); -CREATE TABLE trunc_fb (col2b int) INHERITS (trunc_f); -INSERT INTO trunc_fb VALUES (4, 444); -CREATE TABLE trunc_faa (col3 text) INHERITS (trunc_fa); -INSERT INTO trunc_faa VALUES (5, 'five', 'FIVE'); -BEGIN; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -TRUNCATE trunc_f; -SELECT * FROM trunc_f; - col1 ------- -(0 rows) - -ROLLBACK; -BEGIN; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -TRUNCATE ONLY trunc_f; -SELECT * FROM trunc_f; - col1 ------- - 3 - 4 - 5 -(3 rows) - -ROLLBACK; -BEGIN; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -SELECT * FROM trunc_fa; - col1 | col2a -------+------- - 3 | three - 5 | five -(2 rows) - -SELECT * FROM trunc_faa; - col1 | col2a | col3 -------+-------+------ - 5 | five | FIVE -(1 row) - -TRUNCATE ONLY trunc_fb, ONLY trunc_fa; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 - 5 -(3 rows) - -SELECT * FROM trunc_fa; - col1 | col2a -------+------- - 5 | five -(1 row) - -SELECT * FROM trunc_faa; - col1 | col2a | col3 -------+-------+------ - 5 | five | FIVE -(1 row) - -ROLLBACK; -BEGIN; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -SELECT * FROM trunc_fa; - col1 | col2a -------+------- - 3 | three - 5 | five -(2 rows) - -SELECT * FROM trunc_faa; - col1 | col2a | col3 -------+-------+------ - 5 | five | FIVE -(1 row) - -TRUNCATE ONLY trunc_fb, trunc_fa; -SELECT * FROM trunc_f; - col1 ------- - 1 - 2 -(2 rows) - -SELECT * FROM trunc_fa; - col1 | col2a -------+------- -(0 rows) - -SELECT * FROM trunc_faa; - col1 | col2a | col3 -------+-------+------ -(0 rows) - -ROLLBACK; -DROP TABLE trunc_f CASCADE; -NOTICE: drop cascades to 3 other objects -DETAIL: drop cascades to table trunc_fa -drop cascades to table trunc_faa -drop cascades to table trunc_fb --- Test ON TRUNCATE triggers -CREATE TABLE trunc_trigger_test (f1 int, f2 text, f3 text); -CREATE TABLE trunc_trigger_log (tgop text, tglevel text, tgwhen text, - tgargv text, tgtable name, rowcount bigint); -CREATE FUNCTION trunctrigger() RETURNS trigger as $$ -declare c bigint; -begin - execute 'select count(*) from ' || quote_ident(tg_table_name) into c; - insert into trunc_trigger_log values - (TG_OP, TG_LEVEL, TG_WHEN, TG_ARGV[0], tg_table_name, c); - return null; -end; -$$ LANGUAGE plpgsql; --- basic before trigger -INSERT INTO trunc_trigger_test VALUES(1, 'foo', 'bar'), (2, 'baz', 'quux'); -CREATE TRIGGER t -BEFORE TRUNCATE ON trunc_trigger_test -FOR EACH STATEMENT -EXECUTE PROCEDURE trunctrigger('before trigger truncate'); -SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; - Row count in test table -------------------------- - 2 -(1 row) - -SELECT * FROM trunc_trigger_log; - tgop | tglevel | tgwhen | tgargv | tgtable | rowcount -------+---------+--------+--------+---------+---------- -(0 rows) - -TRUNCATE trunc_trigger_test; -SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; - Row count in test table -------------------------- - 0 -(1 row) - -SELECT * FROM trunc_trigger_log; - tgop | tglevel | tgwhen | tgargv | tgtable | rowcount -----------+-----------+--------+-------------------------+--------------------+---------- - TRUNCATE | STATEMENT | BEFORE | before trigger truncate | trunc_trigger_test | 2 -(1 row) - -DROP TRIGGER t ON trunc_trigger_test; -truncate trunc_trigger_log; --- same test with an after trigger -INSERT INTO trunc_trigger_test VALUES(1, 'foo', 'bar'), (2, 'baz', 'quux'); -CREATE TRIGGER tt -AFTER TRUNCATE ON trunc_trigger_test -FOR EACH STATEMENT -EXECUTE PROCEDURE trunctrigger('after trigger truncate'); -SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; - Row count in test table -------------------------- - 2 -(1 row) - -SELECT * FROM trunc_trigger_log; - tgop | tglevel | tgwhen | tgargv | tgtable | rowcount -------+---------+--------+--------+---------+---------- -(0 rows) - -TRUNCATE trunc_trigger_test; -SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; - Row count in test table -------------------------- - 0 -(1 row) - -SELECT * FROM trunc_trigger_log; - tgop | tglevel | tgwhen | tgargv | tgtable | rowcount -----------+-----------+--------+------------------------+--------------------+---------- - TRUNCATE | STATEMENT | AFTER | after trigger truncate | trunc_trigger_test | 0 -(1 row) - -DROP TABLE trunc_trigger_test; -DROP TABLE trunc_trigger_log; -DROP FUNCTION trunctrigger(); --- test TRUNCATE ... RESTART IDENTITY -CREATE SEQUENCE truncate_a_id1 START WITH 33; -CREATE TABLE truncate_a (id serial, - id1 integer default nextval('truncate_a_id1')); -ALTER SEQUENCE truncate_a_id1 OWNED BY truncate_a.id1; -INSERT INTO truncate_a DEFAULT VALUES; -INSERT INTO truncate_a DEFAULT VALUES; -SELECT * FROM truncate_a; - id | id1 -----+----- - 1 | 33 - 2 | 34 -(2 rows) - -TRUNCATE truncate_a; -INSERT INTO truncate_a DEFAULT VALUES; -INSERT INTO truncate_a DEFAULT VALUES; -SELECT * FROM truncate_a; - id | id1 -----+----- - 3 | 35 - 4 | 36 -(2 rows) - -TRUNCATE truncate_a RESTART IDENTITY; -INSERT INTO truncate_a DEFAULT VALUES; -INSERT INTO truncate_a DEFAULT VALUES; -SELECT * FROM truncate_a; - id | id1 -----+----- - 1 | 33 - 2 | 34 -(2 rows) - -CREATE TABLE truncate_b (id int GENERATED ALWAYS AS IDENTITY (START WITH 44)); -INSERT INTO truncate_b DEFAULT VALUES; -INSERT INTO truncate_b DEFAULT VALUES; -SELECT * FROM truncate_b; - id ----- - 44 - 45 -(2 rows) - -TRUNCATE truncate_b; -INSERT INTO truncate_b DEFAULT VALUES; -INSERT INTO truncate_b DEFAULT VALUES; -SELECT * FROM truncate_b; - id ----- - 46 - 47 -(2 rows) - -TRUNCATE truncate_b RESTART IDENTITY; -INSERT INTO truncate_b DEFAULT VALUES; -INSERT INTO truncate_b DEFAULT VALUES; -SELECT * FROM truncate_b; - id ----- - 44 - 45 -(2 rows) - --- check rollback of a RESTART IDENTITY operation -BEGIN; -TRUNCATE truncate_a RESTART IDENTITY; -INSERT INTO truncate_a DEFAULT VALUES; -SELECT * FROM truncate_a; - id | id1 -----+----- - 1 | 33 -(1 row) - -ROLLBACK; -INSERT INTO truncate_a DEFAULT VALUES; -INSERT INTO truncate_a DEFAULT VALUES; -SELECT * FROM truncate_a; - id | id1 -----+----- - 1 | 33 - 2 | 34 - 3 | 35 - 4 | 36 -(4 rows) - -DROP TABLE truncate_a; -SELECT nextval('truncate_a_id1'); -- fail, seq should have been dropped -ERROR: relation "truncate_a_id1" does not exist -LINE 1: SELECT nextval('truncate_a_id1'); - ^ --- partitioned table -CREATE TABLE truncparted (a int, b char) PARTITION BY LIST (a); --- error, can't truncate a partitioned table -TRUNCATE ONLY truncparted; -ERROR: cannot truncate only a partitioned table -HINT: Do not specify the ONLY keyword, or use TRUNCATE ONLY on the partitions directly. -CREATE TABLE truncparted1 PARTITION OF truncparted FOR VALUES IN (1); -INSERT INTO truncparted VALUES (1, 'a'); --- error, must truncate partitions -TRUNCATE ONLY truncparted; -ERROR: cannot truncate only a partitioned table -HINT: Do not specify the ONLY keyword, or use TRUNCATE ONLY on the partitions directly. -TRUNCATE truncparted; -DROP TABLE truncparted; --- foreign key on partitioned table: partition key is referencing column. --- Make sure truncate did execute on all tables -CREATE FUNCTION tp_ins_data() RETURNS void LANGUAGE plpgsql AS $$ - BEGIN - INSERT INTO truncprim VALUES (1), (100), (150); - INSERT INTO truncpart VALUES (1), (100), (150); - END -$$; -CREATE FUNCTION tp_chk_data(OUT pktb regclass, OUT pkval int, OUT fktb regclass, OUT fkval int) - RETURNS SETOF record LANGUAGE plpgsql AS $$ - BEGIN - RETURN QUERY SELECT - pk.tableoid::regclass, pk.a, fk.tableoid::regclass, fk.a - FROM truncprim pk FULL JOIN truncpart fk USING (a) - ORDER BY 2, 4; - END -$$; -CREATE TABLE truncprim (a int PRIMARY KEY); -CREATE TABLE truncpart (a int REFERENCES truncprim) - PARTITION BY RANGE (a); -CREATE TABLE truncpart_1 PARTITION OF truncpart FOR VALUES FROM (0) TO (100); -CREATE TABLE truncpart_2 PARTITION OF truncpart FOR VALUES FROM (100) TO (200) - PARTITION BY RANGE (a); -CREATE TABLE truncpart_2_1 PARTITION OF truncpart_2 FOR VALUES FROM (100) TO (150); -CREATE TABLE truncpart_2_d PARTITION OF truncpart_2 DEFAULT; -TRUNCATE TABLE truncprim; -- should fail -ERROR: cannot truncate a table referenced in a foreign key constraint -DETAIL: Table "truncpart" references "truncprim". -HINT: Truncate table "truncpart" at the same time, or use TRUNCATE ... CASCADE. -select tp_ins_data(); - tp_ins_data -------------- - -(1 row) - --- should truncate everything -TRUNCATE TABLE truncprim, truncpart; -select * from tp_chk_data(); - pktb | pkval | fktb | fkval -------+-------+------+------- -(0 rows) - -select tp_ins_data(); - tp_ins_data -------------- - -(1 row) - --- should truncate everything -TRUNCATE TABLE truncprim CASCADE; -NOTICE: truncate cascades to table "truncpart" -NOTICE: truncate cascades to table "truncpart_1" -NOTICE: truncate cascades to table "truncpart_2" -NOTICE: truncate cascades to table "truncpart_2_1" -NOTICE: truncate cascades to table "truncpart_2_d" -SELECT * FROM tp_chk_data(); - pktb | pkval | fktb | fkval -------+-------+------+------- -(0 rows) - -SELECT tp_ins_data(); - tp_ins_data -------------- - -(1 row) - --- should truncate all partitions -TRUNCATE TABLE truncpart; -SELECT * FROM tp_chk_data(); - pktb | pkval | fktb | fkval ------------+-------+------+------- - truncprim | 1 | | - truncprim | 100 | | - truncprim | 150 | | -(3 rows) - -DROP TABLE truncprim, truncpart; -DROP FUNCTION tp_ins_data(), tp_chk_data(); --- test cascade when referencing a partitioned table -CREATE TABLE trunc_a (a INT PRIMARY KEY) PARTITION BY RANGE (a); -CREATE TABLE trunc_a1 PARTITION OF trunc_a FOR VALUES FROM (0) TO (10); -CREATE TABLE trunc_a2 PARTITION OF trunc_a FOR VALUES FROM (10) TO (20) - PARTITION BY RANGE (a); -CREATE TABLE trunc_a21 PARTITION OF trunc_a2 FOR VALUES FROM (10) TO (12); -CREATE TABLE trunc_a22 PARTITION OF trunc_a2 FOR VALUES FROM (12) TO (16); -CREATE TABLE trunc_a2d PARTITION OF trunc_a2 DEFAULT; -CREATE TABLE trunc_a3 PARTITION OF trunc_a FOR VALUES FROM (20) TO (30); -INSERT INTO trunc_a VALUES (0), (5), (10), (15), (20), (25); --- truncate a partition cascading to a table -CREATE TABLE ref_b ( - b INT PRIMARY KEY, - a INT REFERENCES trunc_a(a) ON DELETE CASCADE -); -INSERT INTO ref_b VALUES (10, 0), (50, 5), (100, 10), (150, 15); -TRUNCATE TABLE trunc_a1 CASCADE; -NOTICE: truncate cascades to table "ref_b" -SELECT a FROM ref_b; - a ---- -(0 rows) - -DROP TABLE ref_b; --- truncate a partition cascading to a partitioned table -CREATE TABLE ref_c ( - c INT PRIMARY KEY, - a INT REFERENCES trunc_a(a) ON DELETE CASCADE -) PARTITION BY RANGE (c); -CREATE TABLE ref_c1 PARTITION OF ref_c FOR VALUES FROM (100) TO (200); -CREATE TABLE ref_c2 PARTITION OF ref_c FOR VALUES FROM (200) TO (300); -INSERT INTO ref_c VALUES (100, 10), (150, 15), (200, 20), (250, 25); -TRUNCATE TABLE trunc_a21 CASCADE; -NOTICE: truncate cascades to table "ref_c" -NOTICE: truncate cascades to table "ref_c1" -NOTICE: truncate cascades to table "ref_c2" -SELECT a as "from table ref_c" FROM ref_c; - from table ref_c ------------------- -(0 rows) - -SELECT a as "from table trunc_a" FROM trunc_a ORDER BY a; - from table trunc_a --------------------- - 15 - 20 - 25 -(3 rows) - -DROP TABLE trunc_a, ref_c; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/alter_table.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/alter_table.out --- /tmp/cirrus-ci-build/src/test/regress/expected/alter_table.out 2025-06-04 16:00:28.717876000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/alter_table.out 2025-06-04 16:05:10.996907000 +0000 @@ -1,4835 +1,2 @@ --- --- ALTER_TABLE --- --- Clean up in case a prior regression run failed -SET client_min_messages TO 'warning'; -DROP ROLE IF EXISTS regress_alter_table_user1; -RESET client_min_messages; -CREATE USER regress_alter_table_user1; --- --- add attribute --- -CREATE TABLE attmp (initial int4); -COMMENT ON TABLE attmp_wrong IS 'table comment'; -ERROR: relation "attmp_wrong" does not exist -COMMENT ON TABLE attmp IS 'table comment'; -COMMENT ON TABLE attmp IS NULL; -ALTER TABLE attmp ADD COLUMN xmin integer; -- fails -ERROR: column name "xmin" conflicts with a system column name -ALTER TABLE attmp ADD COLUMN a int4 default 3; -ALTER TABLE attmp ADD COLUMN b name; -ALTER TABLE attmp ADD COLUMN c text; -ALTER TABLE attmp ADD COLUMN d float8; -ALTER TABLE attmp ADD COLUMN e float4; -ALTER TABLE attmp ADD COLUMN f int2; -ALTER TABLE attmp ADD COLUMN g polygon; -ALTER TABLE attmp ADD COLUMN i char; -ALTER TABLE attmp ADD COLUMN k int4; -ALTER TABLE attmp ADD COLUMN l tid; -ALTER TABLE attmp ADD COLUMN m xid; -ALTER TABLE attmp ADD COLUMN n oidvector; ---ALTER TABLE attmp ADD COLUMN o lock; -ALTER TABLE attmp ADD COLUMN p boolean; -ALTER TABLE attmp ADD COLUMN q point; -ALTER TABLE attmp ADD COLUMN r lseg; -ALTER TABLE attmp ADD COLUMN s path; -ALTER TABLE attmp ADD COLUMN t box; -ALTER TABLE attmp ADD COLUMN v timestamp; -ALTER TABLE attmp ADD COLUMN w interval; -ALTER TABLE attmp ADD COLUMN x float8[]; -ALTER TABLE attmp ADD COLUMN y float4[]; -ALTER TABLE attmp ADD COLUMN z int2[]; -INSERT INTO attmp (a, b, c, d, e, f, g, i, k, l, m, n, p, q, r, s, t, - v, w, x, y, z) - VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', - 'c', - 314159, '(1,1)', '512', - '1 2 3 4 5 6 7 8', true, '(1.1,1.1)', '(4.1,4.1,3.1,3.1)', - '(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', - 'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}'); -SELECT * FROM attmp; - initial | a | b | c | d | e | f | g | i | k | l | m | n | p | q | r | s | t | v | w | x | y | z ----------+---+------+------+-----+-----+---+-----------------------+---+--------+-------+-----+-----------------+---+-----------+-----------------------+-----------------------------+---------------------+--------------------------+------------------+-----------+-----------+----------- - | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | c | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | t | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4} -(1 row) - -DROP TABLE attmp; --- the wolf bug - schema mods caused inconsistent row descriptors -CREATE TABLE attmp ( - initial int4 -); -ALTER TABLE attmp ADD COLUMN a int4; -ALTER TABLE attmp ADD COLUMN b name; -ALTER TABLE attmp ADD COLUMN c text; -ALTER TABLE attmp ADD COLUMN d float8; -ALTER TABLE attmp ADD COLUMN e float4; -ALTER TABLE attmp ADD COLUMN f int2; -ALTER TABLE attmp ADD COLUMN g polygon; -ALTER TABLE attmp ADD COLUMN i char; -ALTER TABLE attmp ADD COLUMN k int4; -ALTER TABLE attmp ADD COLUMN l tid; -ALTER TABLE attmp ADD COLUMN m xid; -ALTER TABLE attmp ADD COLUMN n oidvector; ---ALTER TABLE attmp ADD COLUMN o lock; -ALTER TABLE attmp ADD COLUMN p boolean; -ALTER TABLE attmp ADD COLUMN q point; -ALTER TABLE attmp ADD COLUMN r lseg; -ALTER TABLE attmp ADD COLUMN s path; -ALTER TABLE attmp ADD COLUMN t box; -ALTER TABLE attmp ADD COLUMN v timestamp; -ALTER TABLE attmp ADD COLUMN w interval; -ALTER TABLE attmp ADD COLUMN x float8[]; -ALTER TABLE attmp ADD COLUMN y float4[]; -ALTER TABLE attmp ADD COLUMN z int2[]; -INSERT INTO attmp (a, b, c, d, e, f, g, i, k, l, m, n, p, q, r, s, t, - v, w, x, y, z) - VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)', - 'c', - 314159, '(1,1)', '512', - '1 2 3 4 5 6 7 8', true, '(1.1,1.1)', '(4.1,4.1,3.1,3.1)', - '(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', - 'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}'); -SELECT * FROM attmp; - initial | a | b | c | d | e | f | g | i | k | l | m | n | p | q | r | s | t | v | w | x | y | z ----------+---+------+------+-----+-----+---+-----------------------+---+--------+-------+-----+-----------------+---+-----------+-----------------------+-----------------------------+---------------------+--------------------------+------------------+-----------+-----------+----------- - | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | c | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | t | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4} -(1 row) - -CREATE INDEX attmp_idx ON attmp (a, (d + e), b); -ALTER INDEX attmp_idx ALTER COLUMN 0 SET STATISTICS 1000; -ERROR: column number must be in range from 1 to 32767 -LINE 1: ALTER INDEX attmp_idx ALTER COLUMN 0 SET STATISTICS 1000; - ^ -ALTER INDEX attmp_idx ALTER COLUMN 1 SET STATISTICS 1000; -ERROR: cannot alter statistics on non-expression column "a" of index "attmp_idx" -HINT: Alter statistics on table column instead. -ALTER INDEX attmp_idx ALTER COLUMN 2 SET STATISTICS 1000; -\d+ attmp_idx - Index "public.attmp_idx" - Column | Type | Key? | Definition | Storage | Stats target ---------+------------------+------+------------+---------+-------------- - a | integer | yes | a | plain | - expr | double precision | yes | (d + e) | plain | 1000 - b | cstring | yes | b | plain | -btree, for table "public.attmp" - -ALTER INDEX attmp_idx ALTER COLUMN 3 SET STATISTICS 1000; -ERROR: cannot alter statistics on non-expression column "b" of index "attmp_idx" -HINT: Alter statistics on table column instead. -ALTER INDEX attmp_idx ALTER COLUMN 4 SET STATISTICS 1000; -ERROR: column number 4 of relation "attmp_idx" does not exist -ALTER INDEX attmp_idx ALTER COLUMN 2 SET STATISTICS -1; -DROP TABLE attmp; --- --- rename - check on both non-temp and temp tables --- -CREATE TABLE attmp (regtable int); -CREATE TEMP TABLE attmp (attmptable int); -ALTER TABLE attmp RENAME TO attmp_new; -SELECT * FROM attmp; - regtable ----------- -(0 rows) - -SELECT * FROM attmp_new; - attmptable ------------- -(0 rows) - -ALTER TABLE attmp RENAME TO attmp_new2; -SELECT * FROM attmp; -- should fail -ERROR: relation "attmp" does not exist -LINE 1: SELECT * FROM attmp; - ^ -SELECT * FROM attmp_new; - attmptable ------------- -(0 rows) - -SELECT * FROM attmp_new2; - regtable ----------- -(0 rows) - -DROP TABLE attmp_new; -DROP TABLE attmp_new2; --- check rename of partitioned tables and indexes also -CREATE TABLE part_attmp (a int primary key) partition by range (a); -CREATE TABLE part_attmp1 PARTITION OF part_attmp FOR VALUES FROM (0) TO (100); -ALTER INDEX part_attmp_pkey RENAME TO part_attmp_index; -ALTER INDEX part_attmp1_pkey RENAME TO part_attmp1_index; -ALTER TABLE part_attmp RENAME TO part_at2tmp; -ALTER TABLE part_attmp1 RENAME TO part_at2tmp1; -SET ROLE regress_alter_table_user1; -ALTER INDEX part_attmp_index RENAME TO fail; -ERROR: must be owner of index part_attmp_index -ALTER INDEX part_attmp1_index RENAME TO fail; -ERROR: must be owner of index part_attmp1_index -ALTER TABLE part_at2tmp RENAME TO fail; -ERROR: must be owner of table part_at2tmp -ALTER TABLE part_at2tmp1 RENAME TO fail; -ERROR: must be owner of table part_at2tmp1 -RESET ROLE; -DROP TABLE part_at2tmp; --- --- check renaming to a table's array type's autogenerated name --- (the array type's name should get out of the way) --- -CREATE TABLE attmp_array (id int); -CREATE TABLE attmp_array2 (id int); -SELECT typname FROM pg_type WHERE oid = 'attmp_array[]'::regtype; - typname --------------- - _attmp_array -(1 row) - -SELECT typname FROM pg_type WHERE oid = 'attmp_array2[]'::regtype; - typname ---------------- - _attmp_array2 -(1 row) - -ALTER TABLE attmp_array2 RENAME TO _attmp_array; -SELECT typname FROM pg_type WHERE oid = 'attmp_array[]'::regtype; - typname ---------------- - __attmp_array -(1 row) - -SELECT typname FROM pg_type WHERE oid = '_attmp_array[]'::regtype; - typname ------------------ - __attmp_array_1 -(1 row) - -DROP TABLE _attmp_array; -DROP TABLE attmp_array; --- renaming to table's own array type's name is an interesting corner case -CREATE TABLE attmp_array (id int); -SELECT typname FROM pg_type WHERE oid = 'attmp_array[]'::regtype; - typname --------------- - _attmp_array -(1 row) - -ALTER TABLE attmp_array RENAME TO _attmp_array; -SELECT typname FROM pg_type WHERE oid = '_attmp_array[]'::regtype; - typname ---------------- - __attmp_array -(1 row) - -DROP TABLE _attmp_array; --- ALTER TABLE ... RENAME on non-table relations --- renaming indexes (FIXME: this should probably test the index's functionality) -ALTER INDEX IF EXISTS __onek_unique1 RENAME TO attmp_onek_unique1; -NOTICE: relation "__onek_unique1" does not exist, skipping -ALTER INDEX IF EXISTS __attmp_onek_unique1 RENAME TO onek_unique1; -NOTICE: relation "__attmp_onek_unique1" does not exist, skipping -ALTER INDEX onek_unique1 RENAME TO attmp_onek_unique1; -ALTER INDEX attmp_onek_unique1 RENAME TO onek_unique1; -SET ROLE regress_alter_table_user1; -ALTER INDEX onek_unique1 RENAME TO fail; -- permission denied -ERROR: must be owner of index onek_unique1 -RESET ROLE; --- rename statements with mismatching statement and object types -CREATE TABLE alter_idx_rename_test (a INT); -CREATE INDEX alter_idx_rename_test_idx ON alter_idx_rename_test (a); -CREATE TABLE alter_idx_rename_test_parted (a INT) PARTITION BY LIST (a); -CREATE INDEX alter_idx_rename_test_parted_idx ON alter_idx_rename_test_parted (a); -BEGIN; -ALTER INDEX alter_idx_rename_test RENAME TO alter_idx_rename_test_2; -ALTER INDEX alter_idx_rename_test_parted RENAME TO alter_idx_rename_test_parted_2; -SELECT relation::regclass, mode FROM pg_locks -WHERE pid = pg_backend_pid() AND locktype = 'relation' - AND relation::regclass::text LIKE 'alter\_idx%' -ORDER BY relation::regclass::text COLLATE "C"; - relation | mode ---------------------------------+--------------------- - alter_idx_rename_test_2 | AccessExclusiveLock - alter_idx_rename_test_parted_2 | AccessExclusiveLock -(2 rows) - -COMMIT; -BEGIN; -ALTER INDEX alter_idx_rename_test_idx RENAME TO alter_idx_rename_test_idx_2; -ALTER INDEX alter_idx_rename_test_parted_idx RENAME TO alter_idx_rename_test_parted_idx_2; -SELECT relation::regclass, mode FROM pg_locks -WHERE pid = pg_backend_pid() AND locktype = 'relation' - AND relation::regclass::text LIKE 'alter\_idx%' -ORDER BY relation::regclass::text COLLATE "C"; - relation | mode -------------------------------------+-------------------------- - alter_idx_rename_test_idx_2 | ShareUpdateExclusiveLock - alter_idx_rename_test_parted_idx_2 | ShareUpdateExclusiveLock -(2 rows) - -COMMIT; -BEGIN; -ALTER TABLE alter_idx_rename_test_idx_2 RENAME TO alter_idx_rename_test_idx_3; -ALTER TABLE alter_idx_rename_test_parted_idx_2 RENAME TO alter_idx_rename_test_parted_idx_3; -SELECT relation::regclass, mode FROM pg_locks -WHERE pid = pg_backend_pid() AND locktype = 'relation' - AND relation::regclass::text LIKE 'alter\_idx%' -ORDER BY relation::regclass::text COLLATE "C"; - relation | mode -------------------------------------+--------------------- - alter_idx_rename_test_idx_3 | AccessExclusiveLock - alter_idx_rename_test_parted_idx_3 | AccessExclusiveLock -(2 rows) - -COMMIT; -DROP TABLE alter_idx_rename_test_2; --- renaming views -CREATE VIEW attmp_view (unique1) AS SELECT unique1 FROM tenk1; -ALTER TABLE attmp_view RENAME TO attmp_view_new; -SET ROLE regress_alter_table_user1; -ALTER VIEW attmp_view_new RENAME TO fail; -- permission denied -ERROR: must be owner of view attmp_view_new -RESET ROLE; --- hack to ensure we get an indexscan here -set enable_seqscan to off; -set enable_bitmapscan to off; --- 5 values, sorted -SELECT unique1 FROM tenk1 WHERE unique1 < 5; - unique1 ---------- - 0 - 1 - 2 - 3 - 4 -(5 rows) - -reset enable_seqscan; -reset enable_bitmapscan; -DROP VIEW attmp_view_new; --- toast-like relation name -alter table stud_emp rename to pg_toast_stud_emp; -alter table pg_toast_stud_emp rename to stud_emp; --- renaming index should rename constraint as well -ALTER TABLE onek ADD CONSTRAINT onek_unique1_constraint UNIQUE (unique1); -ALTER INDEX onek_unique1_constraint RENAME TO onek_unique1_constraint_foo; -ALTER TABLE onek DROP CONSTRAINT onek_unique1_constraint_foo; --- renaming constraint -ALTER TABLE onek ADD CONSTRAINT onek_check_constraint CHECK (unique1 >= 0); -ALTER TABLE onek RENAME CONSTRAINT onek_check_constraint TO onek_check_constraint_foo; -ALTER TABLE onek DROP CONSTRAINT onek_check_constraint_foo; --- renaming constraint should rename index as well -ALTER TABLE onek ADD CONSTRAINT onek_unique1_constraint UNIQUE (unique1); -DROP INDEX onek_unique1_constraint; -- to see whether it's there -ERROR: cannot drop index onek_unique1_constraint because constraint onek_unique1_constraint on table onek requires it -HINT: You can drop constraint onek_unique1_constraint on table onek instead. -ALTER TABLE onek RENAME CONSTRAINT onek_unique1_constraint TO onek_unique1_constraint_foo; -DROP INDEX onek_unique1_constraint_foo; -- to see whether it's there -ERROR: cannot drop index onek_unique1_constraint_foo because constraint onek_unique1_constraint_foo on table onek requires it -HINT: You can drop constraint onek_unique1_constraint_foo on table onek instead. -ALTER TABLE onek DROP CONSTRAINT onek_unique1_constraint_foo; --- renaming constraints vs. inheritance -CREATE TABLE constraint_rename_test (a int CONSTRAINT con1 CHECK (a > 0), b int, c int); -\d constraint_rename_test - Table "public.constraint_rename_test" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | -Check constraints: - "con1" CHECK (a > 0) - -CREATE TABLE constraint_rename_test2 (a int CONSTRAINT con1 CHECK (a > 0), d int) INHERITS (constraint_rename_test); -NOTICE: merging column "a" with inherited definition -NOTICE: merging constraint "con1" with inherited definition -\d constraint_rename_test2 - Table "public.constraint_rename_test2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | - d | integer | | | -Check constraints: - "con1" CHECK (a > 0) -Inherits: constraint_rename_test - -ALTER TABLE constraint_rename_test2 RENAME CONSTRAINT con1 TO con1foo; -- fail -ERROR: cannot rename inherited constraint "con1" -ALTER TABLE ONLY constraint_rename_test RENAME CONSTRAINT con1 TO con1foo; -- fail -ERROR: inherited constraint "con1" must be renamed in child tables too -ALTER TABLE constraint_rename_test RENAME CONSTRAINT con1 TO con1foo; -- ok -\d constraint_rename_test - Table "public.constraint_rename_test" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | -Check constraints: - "con1foo" CHECK (a > 0) -Number of child tables: 1 (Use \d+ to list them.) - -\d constraint_rename_test2 - Table "public.constraint_rename_test2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | - d | integer | | | -Check constraints: - "con1foo" CHECK (a > 0) -Inherits: constraint_rename_test - -ALTER TABLE constraint_rename_test ADD CONSTRAINT con2 CHECK (b > 0) NO INHERIT; -ALTER TABLE ONLY constraint_rename_test RENAME CONSTRAINT con2 TO con2foo; -- ok -ALTER TABLE constraint_rename_test RENAME CONSTRAINT con2foo TO con2bar; -- ok -\d constraint_rename_test - Table "public.constraint_rename_test" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | -Check constraints: - "con1foo" CHECK (a > 0) - "con2bar" CHECK (b > 0) NO INHERIT -Number of child tables: 1 (Use \d+ to list them.) - -\d constraint_rename_test2 - Table "public.constraint_rename_test2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | - d | integer | | | -Check constraints: - "con1foo" CHECK (a > 0) -Inherits: constraint_rename_test - -ALTER TABLE constraint_rename_test ADD CONSTRAINT con3 PRIMARY KEY (a); -ALTER TABLE constraint_rename_test RENAME CONSTRAINT con3 TO con3foo; -- ok -\d constraint_rename_test - Table "public.constraint_rename_test" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | - b | integer | | | - c | integer | | | -Indexes: - "con3foo" PRIMARY KEY, btree (a) -Check constraints: - "con1foo" CHECK (a > 0) - "con2bar" CHECK (b > 0) NO INHERIT -Number of child tables: 1 (Use \d+ to list them.) - -\d constraint_rename_test2 - Table "public.constraint_rename_test2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | - b | integer | | | - c | integer | | | - d | integer | | | -Check constraints: - "con1foo" CHECK (a > 0) -Inherits: constraint_rename_test - -DROP TABLE constraint_rename_test2; -DROP TABLE constraint_rename_test; -ALTER TABLE IF EXISTS constraint_not_exist RENAME CONSTRAINT con3 TO con3foo; -- ok -NOTICE: relation "constraint_not_exist" does not exist, skipping -ALTER TABLE IF EXISTS constraint_rename_test ADD CONSTRAINT con4 UNIQUE (a); -NOTICE: relation "constraint_rename_test" does not exist, skipping --- renaming constraints with cache reset of target relation -CREATE TABLE constraint_rename_cache (a int, - CONSTRAINT chk_a CHECK (a > 0), - PRIMARY KEY (a)); -ALTER TABLE constraint_rename_cache - RENAME CONSTRAINT chk_a TO chk_a_new; -ALTER TABLE constraint_rename_cache - RENAME CONSTRAINT constraint_rename_cache_pkey TO constraint_rename_pkey_new; -CREATE TABLE like_constraint_rename_cache - (LIKE constraint_rename_cache INCLUDING ALL); -\d like_constraint_rename_cache - Table "public.like_constraint_rename_cache" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | -Indexes: - "like_constraint_rename_cache_pkey" PRIMARY KEY, btree (a) -Check constraints: - "chk_a_new" CHECK (a > 0) - -DROP TABLE constraint_rename_cache; -DROP TABLE like_constraint_rename_cache; --- FOREIGN KEY CONSTRAINT adding TEST -CREATE TABLE attmp2 (a int primary key); -CREATE TABLE attmp3 (a int, b int); -CREATE TABLE attmp4 (a int, b int, unique(a,b)); -CREATE TABLE attmp5 (a int, b int); --- Insert rows into attmp2 (pktable) -INSERT INTO attmp2 values (1); -INSERT INTO attmp2 values (2); -INSERT INTO attmp2 values (3); -INSERT INTO attmp2 values (4); --- Insert rows into attmp3 -INSERT INTO attmp3 values (1,10); -INSERT INTO attmp3 values (1,20); -INSERT INTO attmp3 values (5,50); --- Try (and fail) to add constraint due to invalid source columns -ALTER TABLE attmp3 add constraint attmpconstr foreign key(c) references attmp2 match full; -ERROR: column "c" referenced in foreign key constraint does not exist --- Try (and fail) to add constraint due to invalid destination columns explicitly given -ALTER TABLE attmp3 add constraint attmpconstr foreign key(a) references attmp2(b) match full; -ERROR: column "b" referenced in foreign key constraint does not exist --- Try (and fail) to add constraint due to invalid data -ALTER TABLE attmp3 add constraint attmpconstr foreign key (a) references attmp2 match full; -ERROR: insert or update on table "attmp3" violates foreign key constraint "attmpconstr" -DETAIL: Key (a)=(5) is not present in table "attmp2". --- Delete failing row -DELETE FROM attmp3 where a=5; --- Try (and succeed) -ALTER TABLE attmp3 add constraint attmpconstr foreign key (a) references attmp2 match full; -ALTER TABLE attmp3 drop constraint attmpconstr; -INSERT INTO attmp3 values (5,50); --- Try NOT VALID and then VALIDATE CONSTRAINT, but fails. Delete failure then re-validate -ALTER TABLE attmp3 add constraint attmpconstr foreign key (a) references attmp2 match full NOT VALID; -ALTER TABLE attmp3 validate constraint attmpconstr; -ERROR: insert or update on table "attmp3" violates foreign key constraint "attmpconstr" -DETAIL: Key (a)=(5) is not present in table "attmp2". --- Delete failing row -DELETE FROM attmp3 where a=5; --- Try (and succeed) and repeat to show it works on already valid constraint -ALTER TABLE attmp3 validate constraint attmpconstr; -ALTER TABLE attmp3 validate constraint attmpconstr; --- Try a non-verified CHECK constraint -ALTER TABLE attmp3 ADD CONSTRAINT b_greater_than_ten CHECK (b > 10); -- fail -ERROR: check constraint "b_greater_than_ten" of relation "attmp3" is violated by some row -ALTER TABLE attmp3 ADD CONSTRAINT b_greater_than_ten CHECK (b > 10) NOT VALID; -- succeeds -ALTER TABLE attmp3 ADD CONSTRAINT b_greater_than_ten_not_enforced CHECK (b > 10) NOT ENFORCED; -- succeeds -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_greater_than_ten; -- fails -ERROR: check constraint "b_greater_than_ten" of relation "attmp3" is violated by some row -DELETE FROM attmp3 WHERE NOT b > 10; -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_greater_than_ten; -- succeeds -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_greater_than_ten; -- succeeds -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_greater_than_ten_not_enforced; -- fail -ERROR: cannot validate NOT ENFORCED constraint --- Test inherited NOT VALID CHECK constraints -select * from attmp3; - a | b ----+---- - 1 | 20 -(1 row) - -CREATE TABLE attmp6 () INHERITS (attmp3); -CREATE TABLE attmp7 () INHERITS (attmp3); -INSERT INTO attmp6 VALUES (6, 30), (7, 16); -ALTER TABLE attmp3 ADD CONSTRAINT b_le_20 CHECK (b <= 20) NOT VALID; -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_le_20; -- fails -ERROR: check constraint "b_le_20" of relation "attmp6" is violated by some row -DELETE FROM attmp6 WHERE b > 20; -ALTER TABLE attmp3 VALIDATE CONSTRAINT b_le_20; -- succeeds --- An already validated constraint must not be revalidated -CREATE FUNCTION boo(int) RETURNS int IMMUTABLE STRICT LANGUAGE plpgsql AS $$ BEGIN RAISE NOTICE 'boo: %', $1; RETURN $1; END; $$; -INSERT INTO attmp7 VALUES (8, 18); -ALTER TABLE attmp7 ADD CONSTRAINT identity CHECK (b = boo(b)); -NOTICE: boo: 18 -ALTER TABLE attmp3 ADD CONSTRAINT IDENTITY check (b = boo(b)) NOT VALID; -NOTICE: merging constraint "identity" with inherited definition -ALTER TABLE attmp3 VALIDATE CONSTRAINT identity; -NOTICE: boo: 20 -NOTICE: boo: 16 --- A NO INHERIT constraint should not be looked for in children during VALIDATE CONSTRAINT -create table parent_noinh_convalid (a int); -create table child_noinh_convalid () inherits (parent_noinh_convalid); -insert into parent_noinh_convalid values (1); -insert into child_noinh_convalid values (1); -alter table parent_noinh_convalid add constraint check_a_is_2 check (a = 2) no inherit not valid; --- fail, because of the row in parent -alter table parent_noinh_convalid validate constraint check_a_is_2; -ERROR: check constraint "check_a_is_2" of relation "parent_noinh_convalid" is violated by some row -delete from only parent_noinh_convalid; --- ok (parent itself contains no violating rows) -alter table parent_noinh_convalid validate constraint check_a_is_2; -select convalidated from pg_constraint where conrelid = 'parent_noinh_convalid'::regclass and conname = 'check_a_is_2'; - convalidated --------------- - t -(1 row) - --- cleanup -drop table parent_noinh_convalid, child_noinh_convalid; --- Try (and fail) to create constraint from attmp5(a) to attmp4(a) - unique constraint on --- attmp4 is a,b -ALTER TABLE attmp5 add constraint attmpconstr foreign key(a) references attmp4(a) match full; -ERROR: there is no unique constraint matching given keys for referenced table "attmp4" -DROP TABLE attmp7; -DROP TABLE attmp6; -DROP TABLE attmp5; -DROP TABLE attmp4; -DROP TABLE attmp3; -DROP TABLE attmp2; --- NOT VALID with plan invalidation -- ensure we don't use a constraint for --- exclusion until validated -set constraint_exclusion TO 'partition'; -create table nv_parent (d date, check (false) no inherit not valid); --- not valid constraint added at creation time should automatically become valid -\d nv_parent - Table "public.nv_parent" - Column | Type | Collation | Nullable | Default ---------+------+-----------+----------+--------- - d | date | | | -Check constraints: - "nv_parent_check" CHECK (false) NO INHERIT - -create table nv_child_2010 () inherits (nv_parent); -create table nv_child_2011 () inherits (nv_parent); -alter table nv_child_2010 add check (d between '2010-01-01'::date and '2010-12-31'::date) not valid; -alter table nv_child_2011 add check (d between '2011-01-01'::date and '2011-12-31'::date) not valid; -explain (costs off) select * from nv_parent where d between '2011-08-01' and '2011-08-31'; - QUERY PLAN ---------------------------------------------------------------------------- - Append - -> Seq Scan on nv_parent nv_parent_1 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) - -> Seq Scan on nv_child_2010 nv_parent_2 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) - -> Seq Scan on nv_child_2011 nv_parent_3 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) -(7 rows) - -create table nv_child_2009 (check (d between '2009-01-01'::date and '2009-12-31'::date)) inherits (nv_parent); -explain (costs off) select * from nv_parent where d between '2011-08-01'::date and '2011-08-31'::date; - QUERY PLAN ---------------------------------------------------------------------------- - Append - -> Seq Scan on nv_parent nv_parent_1 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) - -> Seq Scan on nv_child_2010 nv_parent_2 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) - -> Seq Scan on nv_child_2011 nv_parent_3 - Filter: ((d >= '08-01-2011'::date) AND (d <= '08-31-2011'::date)) -(7 rows) - -explain (costs off) select * from nv_parent where d between '2009-08-01'::date and '2009-08-31'::date; - QUERY PLAN ---------------------------------------------------------------------------- - Append - -> Seq Scan on nv_parent nv_parent_1 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) - -> Seq Scan on nv_child_2010 nv_parent_2 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) - -> Seq Scan on nv_child_2011 nv_parent_3 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) - -> Seq Scan on nv_child_2009 nv_parent_4 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) -(9 rows) - --- after validation, the constraint should be used -alter table nv_child_2011 VALIDATE CONSTRAINT nv_child_2011_d_check; -explain (costs off) select * from nv_parent where d between '2009-08-01'::date and '2009-08-31'::date; - QUERY PLAN ---------------------------------------------------------------------------- - Append - -> Seq Scan on nv_parent nv_parent_1 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) - -> Seq Scan on nv_child_2010 nv_parent_2 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) - -> Seq Scan on nv_child_2009 nv_parent_3 - Filter: ((d >= '08-01-2009'::date) AND (d <= '08-31-2009'::date)) -(7 rows) - --- add an inherited NOT VALID constraint -alter table nv_parent add check (d between '2001-01-01'::date and '2099-12-31'::date) not valid; -\d nv_child_2009 - Table "public.nv_child_2009" - Column | Type | Collation | Nullable | Default ---------+------+-----------+----------+--------- - d | date | | | -Check constraints: - "nv_child_2009_d_check" CHECK (d >= '01-01-2009'::date AND d <= '12-31-2009'::date) - "nv_parent_d_check" CHECK (d >= '01-01-2001'::date AND d <= '12-31-2099'::date) NOT VALID -Inherits: nv_parent - --- we leave nv_parent and children around to help test pg_dump logic --- Foreign key adding test with mixed types --- Note: these tables are TEMP to avoid name conflicts when this test --- is run in parallel with foreign_key.sql. -CREATE TEMP TABLE PKTABLE (ptest1 int PRIMARY KEY); -INSERT INTO PKTABLE VALUES(42); -CREATE TEMP TABLE FKTABLE (ftest1 inet); --- This next should fail, because int=inet does not exist -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable; -ERROR: foreign key constraint "fktable_ftest1_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest1" of the referenced table are of incompatible types: inet and integer. --- This should also fail for the same reason, but here we --- give the column name -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable(ptest1); -ERROR: foreign key constraint "fktable_ftest1_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest1" of the referenced table are of incompatible types: inet and integer. -DROP TABLE FKTABLE; --- This should succeed, even though they are different types, --- because int=int8 exists and is a member of the integer opfamily -CREATE TEMP TABLE FKTABLE (ftest1 int8); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable; --- Check it actually works -INSERT INTO FKTABLE VALUES(42); -- should succeed -INSERT INTO FKTABLE VALUES(43); -- should fail -ERROR: insert or update on table "fktable" violates foreign key constraint "fktable_ftest1_fkey" -DETAIL: Key (ftest1)=(43) is not present in table "pktable". -DROP TABLE FKTABLE; --- This should fail, because we'd have to cast numeric to int which is --- not an implicit coercion (or use numeric=numeric, but that's not part --- of the integer opfamily) -CREATE TEMP TABLE FKTABLE (ftest1 numeric); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable; -ERROR: foreign key constraint "fktable_ftest1_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest1" of the referenced table are of incompatible types: numeric and integer. -DROP TABLE FKTABLE; -DROP TABLE PKTABLE; --- On the other hand, this should work because int implicitly promotes to --- numeric, and we allow promotion on the FK side -CREATE TEMP TABLE PKTABLE (ptest1 numeric PRIMARY KEY); -INSERT INTO PKTABLE VALUES(42); -CREATE TEMP TABLE FKTABLE (ftest1 int); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable; --- Check it actually works -INSERT INTO FKTABLE VALUES(42); -- should succeed -INSERT INTO FKTABLE VALUES(43); -- should fail -ERROR: insert or update on table "fktable" violates foreign key constraint "fktable_ftest1_fkey" -DETAIL: Key (ftest1)=(43) is not present in table "pktable". -DROP TABLE FKTABLE; -DROP TABLE PKTABLE; -CREATE TEMP TABLE PKTABLE (ptest1 int, ptest2 inet, - PRIMARY KEY(ptest1, ptest2)); --- This should fail, because we just chose really odd types -CREATE TEMP TABLE FKTABLE (ftest1 cidr, ftest2 timestamp); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) references pktable; -ERROR: foreign key constraint "fktable_ftest1_ftest2_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest1" of the referenced table are of incompatible types: cidr and integer. -DROP TABLE FKTABLE; --- Again, so should this... -CREATE TEMP TABLE FKTABLE (ftest1 cidr, ftest2 timestamp); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) - references pktable(ptest1, ptest2); -ERROR: foreign key constraint "fktable_ftest1_ftest2_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest1" of the referenced table are of incompatible types: cidr and integer. -DROP TABLE FKTABLE; --- This fails because we mixed up the column ordering -CREATE TEMP TABLE FKTABLE (ftest1 int, ftest2 inet); -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) - references pktable(ptest2, ptest1); -ERROR: foreign key constraint "fktable_ftest1_ftest2_fkey" cannot be implemented -DETAIL: Key columns "ftest1" of the referencing table and "ptest2" of the referenced table are of incompatible types: integer and inet. --- As does this... -ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest2, ftest1) - references pktable(ptest1, ptest2); -ERROR: foreign key constraint "fktable_ftest2_ftest1_fkey" cannot be implemented -DETAIL: Key columns "ftest2" of the referencing table and "ptest1" of the referenced table are of incompatible types: inet and integer. -DROP TABLE FKTABLE; -DROP TABLE PKTABLE; --- Test that ALTER CONSTRAINT updates trigger deferrability properly -CREATE TEMP TABLE PKTABLE (ptest1 int primary key); -CREATE TEMP TABLE FKTABLE (ftest1 int); -ALTER TABLE FKTABLE ADD CONSTRAINT fknd FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION NOT DEFERRABLE; -ALTER TABLE FKTABLE ADD CONSTRAINT fkdd FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION DEFERRABLE INITIALLY DEFERRED; -ALTER TABLE FKTABLE ADD CONSTRAINT fkdi FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION DEFERRABLE INITIALLY IMMEDIATE; -ALTER TABLE FKTABLE ADD CONSTRAINT fknd2 FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION DEFERRABLE INITIALLY DEFERRED; -ALTER TABLE FKTABLE ALTER CONSTRAINT fknd2 NOT DEFERRABLE; -ALTER TABLE FKTABLE ADD CONSTRAINT fkdd2 FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION NOT DEFERRABLE; -ALTER TABLE FKTABLE ALTER CONSTRAINT fkdd2 DEFERRABLE INITIALLY DEFERRED; -ALTER TABLE FKTABLE ADD CONSTRAINT fkdi2 FOREIGN KEY(ftest1) REFERENCES pktable - ON DELETE CASCADE ON UPDATE NO ACTION NOT DEFERRABLE; -ALTER TABLE FKTABLE ALTER CONSTRAINT fkdi2 DEFERRABLE INITIALLY IMMEDIATE; -SELECT conname, tgfoid::regproc, tgtype, tgdeferrable, tginitdeferred -FROM pg_trigger JOIN pg_constraint con ON con.oid = tgconstraint -WHERE tgrelid = 'pktable'::regclass -ORDER BY 1,2,3; - conname | tgfoid | tgtype | tgdeferrable | tginitdeferred ----------+------------------------+--------+--------------+---------------- - fkdd | "RI_FKey_cascade_del" | 9 | f | f - fkdd | "RI_FKey_noaction_upd" | 17 | t | t - fkdd2 | "RI_FKey_cascade_del" | 9 | f | f - fkdd2 | "RI_FKey_noaction_upd" | 17 | t | t - fkdi | "RI_FKey_cascade_del" | 9 | f | f - fkdi | "RI_FKey_noaction_upd" | 17 | t | f - fkdi2 | "RI_FKey_cascade_del" | 9 | f | f - fkdi2 | "RI_FKey_noaction_upd" | 17 | t | f - fknd | "RI_FKey_cascade_del" | 9 | f | f - fknd | "RI_FKey_noaction_upd" | 17 | f | f - fknd2 | "RI_FKey_cascade_del" | 9 | f | f - fknd2 | "RI_FKey_noaction_upd" | 17 | f | f -(12 rows) - -SELECT conname, tgfoid::regproc, tgtype, tgdeferrable, tginitdeferred -FROM pg_trigger JOIN pg_constraint con ON con.oid = tgconstraint -WHERE tgrelid = 'fktable'::regclass -ORDER BY 1,2,3; - conname | tgfoid | tgtype | tgdeferrable | tginitdeferred ----------+---------------------+--------+--------------+---------------- - fkdd | "RI_FKey_check_ins" | 5 | t | t - fkdd | "RI_FKey_check_upd" | 17 | t | t - fkdd2 | "RI_FKey_check_ins" | 5 | t | t - fkdd2 | "RI_FKey_check_upd" | 17 | t | t - fkdi | "RI_FKey_check_ins" | 5 | t | f - fkdi | "RI_FKey_check_upd" | 17 | t | f - fkdi2 | "RI_FKey_check_ins" | 5 | t | f - fkdi2 | "RI_FKey_check_upd" | 17 | t | f - fknd | "RI_FKey_check_ins" | 5 | f | f - fknd | "RI_FKey_check_upd" | 17 | f | f - fknd2 | "RI_FKey_check_ins" | 5 | f | f - fknd2 | "RI_FKey_check_upd" | 17 | f | f -(12 rows) - --- temp tables should go away by themselves, need not drop them. --- test check constraint adding -create table atacc1 ( test int ); --- add a check constraint -alter table atacc1 add constraint atacc_test1 check (test>3); --- should fail -insert into atacc1 (test) values (2); -ERROR: new row for relation "atacc1" violates check constraint "atacc_test1" -DETAIL: Failing row contains (2). --- should succeed -insert into atacc1 (test) values (4); -drop table atacc1; --- let's do one where the check fails when added -create table atacc1 ( test int ); --- insert a soon to be failing row -insert into atacc1 (test) values (2); --- add a check constraint (fails) -alter table atacc1 add constraint atacc_test1 check (test>3); -ERROR: check constraint "atacc_test1" of relation "atacc1" is violated by some row -insert into atacc1 (test) values (4); -drop table atacc1; --- let's do one where the check fails because the column doesn't exist -create table atacc1 ( test int ); --- add a check constraint (fails) -alter table atacc1 add constraint atacc_test1 check (test1>3); -ERROR: column "test1" does not exist -HINT: Perhaps you meant to reference the column "atacc1.test". -drop table atacc1; --- something a little more complicated -create table atacc1 ( test int, test2 int, test3 int); --- add a check constraint (fails) -alter table atacc1 add constraint atacc_test1 check (test+test23), test2 int); -alter table atacc1 add check (test2>test); --- should fail for $2 -insert into atacc1 (test2, test) values (3, 4); -ERROR: new row for relation "atacc1" violates check constraint "atacc1_check" -DETAIL: Failing row contains (4, 3). -drop table atacc1; --- inheritance related tests -create table atacc1 (test int); -create table atacc2 (test2 int); -create table atacc3 (test3 int) inherits (atacc1, atacc2); -alter table atacc2 add constraint foo check (test2>0); --- fail and then succeed on atacc2 -insert into atacc2 (test2) values (-3); -ERROR: new row for relation "atacc2" violates check constraint "foo" -DETAIL: Failing row contains (-3). -insert into atacc2 (test2) values (3); --- fail and then succeed on atacc3 -insert into atacc3 (test2) values (-3); -ERROR: new row for relation "atacc3" violates check constraint "foo" -DETAIL: Failing row contains (null, -3, null). -insert into atacc3 (test2) values (3); -drop table atacc3; -drop table atacc2; -drop table atacc1; --- same things with one created with INHERIT -create table atacc1 (test int); -create table atacc2 (test2 int); -create table atacc3 (test3 int) inherits (atacc1, atacc2); -alter table atacc3 no inherit atacc2; --- fail -alter table atacc3 no inherit atacc2; -ERROR: relation "atacc2" is not a parent of relation "atacc3" --- make sure it really isn't a child -insert into atacc3 (test2) values (3); -select test2 from atacc2; - test2 -------- -(0 rows) - --- fail due to missing constraint -alter table atacc2 add constraint foo check (test2>0); -alter table atacc3 inherit atacc2; -ERROR: child table is missing constraint "foo" --- fail due to missing column -alter table atacc3 rename test2 to testx; -alter table atacc3 inherit atacc2; -ERROR: child table is missing column "test2" --- fail due to mismatched data type -alter table atacc3 add test2 bool; -alter table atacc3 inherit atacc2; -ERROR: child table "atacc3" has different type for column "test2" -alter table atacc3 drop test2; --- succeed -alter table atacc3 add test2 int; -update atacc3 set test2 = 4 where test2 is null; -alter table atacc3 add constraint foo check (test2>0); -alter table atacc3 inherit atacc2; --- fail due to duplicates and circular inheritance -alter table atacc3 inherit atacc2; -ERROR: relation "atacc2" would be inherited from more than once -alter table atacc2 inherit atacc3; -ERROR: circular inheritance not allowed -DETAIL: "atacc3" is already a child of "atacc2". -alter table atacc2 inherit atacc2; -ERROR: circular inheritance not allowed -DETAIL: "atacc2" is already a child of "atacc2". --- test that we really are a child now (should see 4 not 3 and cascade should go through) -select test2 from atacc2; - test2 -------- - 4 -(1 row) - -drop table atacc2 cascade; -NOTICE: drop cascades to table atacc3 -drop table atacc1; --- adding only to a parent is allowed as of 9.2 -create table atacc1 (test int); -create table atacc2 (test2 int) inherits (atacc1); --- ok: -alter table atacc1 add constraint foo check (test>0) no inherit; --- check constraint is not there on child -insert into atacc2 (test) values (-3); --- check constraint is there on parent -insert into atacc1 (test) values (-3); -ERROR: new row for relation "atacc1" violates check constraint "foo" -DETAIL: Failing row contains (-3). -insert into atacc1 (test) values (3); --- fail, violating row: -alter table atacc2 add constraint foo check (test>0) no inherit; -ERROR: check constraint "foo" of relation "atacc2" is violated by some row -drop table atacc2; -drop table atacc1; --- test unique constraint adding -create table atacc1 ( test int ) ; --- add a unique constraint -alter table atacc1 add constraint atacc_test1 unique (test); --- insert first value -insert into atacc1 (test) values (2); --- should fail -insert into atacc1 (test) values (2); -ERROR: duplicate key value violates unique constraint "atacc_test1" -DETAIL: Key (test)=(2) already exists. --- should succeed -insert into atacc1 (test) values (4); --- try to create duplicates via alter table using - should fail -alter table atacc1 alter column test type integer using 0; -ERROR: could not create unique index "atacc_test1" -DETAIL: Key (test)=(0) is duplicated. -drop table atacc1; --- let's do one where the unique constraint fails when added -create table atacc1 ( test int ); --- insert soon to be failing rows -insert into atacc1 (test) values (2); -insert into atacc1 (test) values (2); --- add a unique constraint (fails) -alter table atacc1 add constraint atacc_test1 unique (test); -ERROR: could not create unique index "atacc_test1" -DETAIL: Key (test)=(2) is duplicated. -insert into atacc1 (test) values (3); -drop table atacc1; --- let's do one where the unique constraint fails --- because the column doesn't exist -create table atacc1 ( test int ); --- add a unique constraint (fails) -alter table atacc1 add constraint atacc_test1 unique (test1); -ERROR: column "test1" named in key does not exist -drop table atacc1; --- something a little more complicated -create table atacc1 ( test int, test2 int); --- add a unique constraint -alter table atacc1 add constraint atacc_test1 unique (test, test2); --- insert initial value -insert into atacc1 (test,test2) values (4,4); --- should fail -insert into atacc1 (test,test2) values (4,4); -ERROR: duplicate key value violates unique constraint "atacc_test1" -DETAIL: Key (test, test2)=(4, 4) already exists. --- should all succeed -insert into atacc1 (test,test2) values (4,5); -insert into atacc1 (test,test2) values (5,4); -insert into atacc1 (test,test2) values (5,5); -drop table atacc1; --- lets do some naming tests -create table atacc1 (test int, test2 int, unique(test)); -alter table atacc1 add unique (test2); --- should fail for @@ second one @@ -insert into atacc1 (test2, test) values (3, 3); -insert into atacc1 (test2, test) values (2, 3); -ERROR: duplicate key value violates unique constraint "atacc1_test_key" -DETAIL: Key (test)=(3) already exists. -drop table atacc1; --- test primary key constraint adding -create table atacc1 ( id serial, test int) ; --- add a primary key constraint -alter table atacc1 add constraint atacc_test1 primary key (test); --- insert first value -insert into atacc1 (test) values (2); --- should fail -insert into atacc1 (test) values (2); -ERROR: duplicate key value violates unique constraint "atacc_test1" -DETAIL: Key (test)=(2) already exists. --- should succeed -insert into atacc1 (test) values (4); --- inserting NULL should fail -insert into atacc1 (test) values(NULL); -ERROR: null value in column "test" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (4, null). --- try adding a second primary key (should fail) -alter table atacc1 add constraint atacc_oid1 primary key(id); -ERROR: multiple primary keys for table "atacc1" are not allowed --- drop first primary key constraint -alter table atacc1 drop constraint atacc_test1 restrict; --- try adding a primary key on oid (should succeed) -alter table atacc1 add constraint atacc_oid1 primary key(id); -drop table atacc1; --- let's do one where the primary key constraint fails when added -create table atacc1 ( test int ); --- insert soon to be failing rows -insert into atacc1 (test) values (2); -insert into atacc1 (test) values (2); --- add a primary key (fails) -alter table atacc1 add constraint atacc_test1 primary key (test); -ERROR: could not create unique index "atacc_test1" -DETAIL: Key (test)=(2) is duplicated. -insert into atacc1 (test) values (3); -drop table atacc1; --- let's do another one where the primary key constraint fails when added -create table atacc1 ( test int ); --- insert soon to be failing row -insert into atacc1 (test) values (NULL); --- add a primary key (fails) -alter table atacc1 add constraint atacc_test1 primary key (test); -ERROR: column "test" of relation "atacc1" contains null values -insert into atacc1 (test) values (3); -drop table atacc1; --- let's do one where the primary key constraint fails --- because the column doesn't exist -create table atacc1 ( test int ); --- add a primary key constraint (fails) -alter table atacc1 add constraint atacc_test1 primary key (test1); -ERROR: column "test1" of relation "atacc1" does not exist -drop table atacc1; --- adding a new column as primary key to a non-empty table. --- should fail unless the column has a non-null default value. -create table atacc1 ( test int ); -insert into atacc1 (test) values (0); --- add a primary key column without a default (fails). -alter table atacc1 add column test2 int primary key; -ERROR: column "test2" of relation "atacc1" contains null values --- now add a primary key column with a default (succeeds). -alter table atacc1 add column test2 int default 0 primary key; -drop table atacc1; --- this combination used to have order-of-execution problems (bug #15580) -create table atacc1 (a int); -insert into atacc1 values(1); -alter table atacc1 - add column b float8 not null default random(), - add primary key(a); -drop table atacc1; --- additionally, we've seen issues with foreign key validation not being --- properly delayed until after a table rewrite. Check that works ok. -create table atacc1 (a int primary key); -alter table atacc1 add constraint atacc1_fkey foreign key (a) references atacc1 (a) not valid; -alter table atacc1 validate constraint atacc1_fkey, alter a type bigint; -drop table atacc1; --- we've also seen issues with check constraints being validated at the wrong --- time when there's a pending table rewrite. -create table atacc1 (a bigint, b int); -insert into atacc1 values(1,1); -alter table atacc1 add constraint atacc1_chk check(b = 1) not valid; -alter table atacc1 validate constraint atacc1_chk, alter a type int; -drop table atacc1; --- same as above, but ensure the constraint violation is detected -create table atacc1 (a bigint, b int); -insert into atacc1 values(1,2); -alter table atacc1 add constraint atacc1_chk check(b = 1) not valid; -alter table atacc1 validate constraint atacc1_chk, alter a type int; -ERROR: check constraint "atacc1_chk" of relation "atacc1" is violated by some row -drop table atacc1; --- something a little more complicated -create table atacc1 ( test int, test2 int); --- add a primary key constraint -alter table atacc1 add constraint atacc_test1 primary key (test, test2); --- try adding a second primary key - should fail -alter table atacc1 add constraint atacc_test2 primary key (test); -ERROR: multiple primary keys for table "atacc1" are not allowed --- insert initial value -insert into atacc1 (test,test2) values (4,4); --- should fail -insert into atacc1 (test,test2) values (4,4); -ERROR: duplicate key value violates unique constraint "atacc_test1" -DETAIL: Key (test, test2)=(4, 4) already exists. -insert into atacc1 (test,test2) values (NULL,3); -ERROR: null value in column "test" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (null, 3). -insert into atacc1 (test,test2) values (3, NULL); -ERROR: null value in column "test2" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (3, null). -insert into atacc1 (test,test2) values (NULL,NULL); -ERROR: null value in column "test" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (null, null). --- should all succeed -insert into atacc1 (test,test2) values (4,5); -insert into atacc1 (test,test2) values (5,4); -insert into atacc1 (test,test2) values (5,5); -drop table atacc1; --- lets do some naming tests -create table atacc1 (test int, test2 int, primary key(test)); --- only first should succeed -insert into atacc1 (test2, test) values (3, 3); -insert into atacc1 (test2, test) values (2, 3); -ERROR: duplicate key value violates unique constraint "atacc1_pkey" -DETAIL: Key (test)=(3) already exists. -insert into atacc1 (test2, test) values (1, NULL); -ERROR: null value in column "test" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (null, 1). -drop table atacc1; --- alter table / alter column [set/drop] not null tests --- try altering system catalogs, should fail -alter table pg_class alter column relname drop not null; -ERROR: permission denied: "pg_class" is a system catalog -alter table pg_class alter relname set not null; -ERROR: permission denied: "pg_class" is a system catalog --- try altering non-existent table, should fail -alter table non_existent alter column bar set not null; -ERROR: relation "non_existent" does not exist -alter table non_existent alter column bar drop not null; -ERROR: relation "non_existent" does not exist --- test setting columns to null and not null and vice versa --- test checking for null values and primary key -create table atacc1 (test int not null); -alter table atacc1 add constraint "atacc1_pkey" primary key (test); -\d atacc1 - Table "public.atacc1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - test | integer | | not null | -Indexes: - "atacc1_pkey" PRIMARY KEY, btree (test) - -alter table atacc1 alter column test drop not null; -ERROR: column "test" is in a primary key -\d atacc1 - Table "public.atacc1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - test | integer | | not null | -Indexes: - "atacc1_pkey" PRIMARY KEY, btree (test) - -alter table atacc1 drop constraint "atacc1_pkey"; -alter table atacc1 alter column test drop not null; -\d atacc1 - Table "public.atacc1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - test | integer | | | - -insert into atacc1 values (null); -alter table atacc1 alter test set not null; -ERROR: column "test" of relation "atacc1" contains null values -delete from atacc1; -alter table atacc1 alter test set not null; --- try altering a non-existent column, should fail -alter table atacc1 alter bar set not null; -ERROR: column "bar" of relation "atacc1" does not exist -alter table atacc1 alter bar drop not null; -ERROR: column "bar" of relation "atacc1" does not exist --- try creating a view and altering that, should fail -create view myview as select * from atacc1; -alter table myview alter column test drop not null; -ERROR: ALTER action ALTER COLUMN ... DROP NOT NULL cannot be performed on relation "myview" -DETAIL: This operation is not supported for views. -alter table myview alter column test set not null; -ERROR: ALTER action ALTER COLUMN ... SET NOT NULL cannot be performed on relation "myview" -DETAIL: This operation is not supported for views. -drop view myview; -drop table atacc1; --- set not null verified by constraints -create table atacc1 (test_a int, test_b int); -insert into atacc1 values (null, 1); --- constraint not cover all values, should fail -alter table atacc1 add constraint atacc1_constr_or check(test_a is not null or test_b < 10); -alter table atacc1 alter test_a set not null; -ERROR: column "test_a" of relation "atacc1" contains null values -alter table atacc1 drop constraint atacc1_constr_or; --- not valid constraint, should fail -alter table atacc1 add constraint atacc1_constr_invalid check(test_a is not null) not valid; -alter table atacc1 alter test_a set not null; -ERROR: column "test_a" of relation "atacc1" contains null values -alter table atacc1 drop constraint atacc1_constr_invalid; --- with valid constraint -update atacc1 set test_a = 1; -alter table atacc1 add constraint atacc1_constr_a_valid check(test_a is not null); -alter table atacc1 alter test_a set not null; -delete from atacc1; -insert into atacc1 values (2, null); -alter table atacc1 alter test_a drop not null; --- test multiple set not null at same time --- test_a checked by atacc1_constr_a_valid, test_b should fail by table scan -alter table atacc1 alter test_a set not null, alter test_b set not null; -ERROR: column "test_b" of relation "atacc1" contains null values --- commands order has no importance -alter table atacc1 alter test_b set not null, alter test_a set not null; -ERROR: column "test_b" of relation "atacc1" contains null values --- valid one by table scan, one by check constraints -update atacc1 set test_b = 1; -alter table atacc1 alter test_b set not null, alter test_a set not null; -alter table atacc1 alter test_a drop not null, alter test_b drop not null; --- both column has check constraints -alter table atacc1 add constraint atacc1_constr_b_valid check(test_b is not null); -alter table atacc1 alter test_b set not null, alter test_a set not null; -drop table atacc1; --- not null not valid with partitions -CREATE TABLE atnnparted (id int, col1 int) PARTITION BY LIST (id); -ALTER TABLE atnnparted ADD CONSTRAINT dummy_constr NOT NULL id NOT VALID; -CREATE TABLE atnnpart1 (col1 int, id int); -ALTER TABLE atnnpart1 ADD CONSTRAINT another_constr NOT NULL id; -ALTER TABLE atnnpart1 ADD PRIMARY KEY (id); -ALTER TABLE atnnparted ATTACH PARTITION atnnpart1 FOR VALUES IN ('1'); -\d+ atnnpart* - Table "public.atnnpart1" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - col1 | integer | | | | plain | | - id | integer | | not null | | plain | | -Partition of: atnnparted FOR VALUES IN (1) -Partition constraint: ((id IS NOT NULL) AND (id = 1)) -Indexes: - "atnnpart1_pkey" PRIMARY KEY, btree (id) -Not-null constraints: - "another_constr" NOT NULL "id" (inherited) - - Index "public.atnnpart1_pkey" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+---------+-------------- - id | integer | yes | id | plain | -primary key, btree, for table "public.atnnpart1" - - Partitioned table "public.atnnparted" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - id | integer | | not null | | plain | | - col1 | integer | | | | plain | | -Partition key: LIST (id) -Not-null constraints: - "dummy_constr" NOT NULL "id" NOT VALID -Partitions: atnnpart1 FOR VALUES IN (1) - -BEGIN; -ALTER TABLE atnnparted VALIDATE CONSTRAINT dummy_constr; -\d+ atnnpart* - Table "public.atnnpart1" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - col1 | integer | | | | plain | | - id | integer | | not null | | plain | | -Partition of: atnnparted FOR VALUES IN (1) -Partition constraint: ((id IS NOT NULL) AND (id = 1)) -Indexes: - "atnnpart1_pkey" PRIMARY KEY, btree (id) -Not-null constraints: - "another_constr" NOT NULL "id" (inherited) - - Index "public.atnnpart1_pkey" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+---------+-------------- - id | integer | yes | id | plain | -primary key, btree, for table "public.atnnpart1" - - Partitioned table "public.atnnparted" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - id | integer | | not null | | plain | | - col1 | integer | | | | plain | | -Partition key: LIST (id) -Not-null constraints: - "dummy_constr" NOT NULL "id" -Partitions: atnnpart1 FOR VALUES IN (1) - -ROLLBACK; --- leave a table in this state for the pg_upgrade test --- test inheritance -create table parent (a int); -create table child (b varchar(255)) inherits (parent); -alter table parent alter a set not null; -insert into parent values (NULL); -ERROR: null value in column "a" of relation "parent" violates not-null constraint -DETAIL: Failing row contains (null). -insert into child (a, b) values (NULL, 'foo'); -ERROR: null value in column "a" of relation "child" violates not-null constraint -DETAIL: Failing row contains (null, foo). -alter table parent alter a drop not null; -insert into parent values (NULL); -insert into child (a, b) values (NULL, 'foo'); -alter table only parent alter a set not null; -ERROR: column "a" of relation "parent" contains null values -alter table child alter a set not null; -ERROR: column "a" of relation "child" contains null values -drop table child; -drop table parent; --- test setting and removing default values -create table def_test ( - c1 int4 default 5, - c2 text default 'initial_default' -); -insert into def_test default values; -alter table def_test alter column c1 drop default; -insert into def_test default values; -alter table def_test alter column c2 drop default; -insert into def_test default values; -alter table def_test alter column c1 set default 10; -alter table def_test alter column c2 set default 'new_default'; -insert into def_test default values; -select * from def_test; - c1 | c2 -----+----------------- - 5 | initial_default - | initial_default - | - 10 | new_default -(4 rows) - --- set defaults to an incorrect type: this should fail -alter table def_test alter column c1 set default 'wrong_datatype'; -ERROR: invalid input syntax for type integer: "wrong_datatype" -alter table def_test alter column c2 set default 20; --- set defaults on a non-existent column: this should fail -alter table def_test alter column c3 set default 30; -ERROR: column "c3" of relation "def_test" does not exist --- set defaults on views: we need to create a view, add a rule --- to allow insertions into it, and then alter the view to add --- a default -create view def_view_test as select * from def_test; -create rule def_view_test_ins as - on insert to def_view_test - do instead insert into def_test select new.*; -insert into def_view_test default values; -alter table def_view_test alter column c1 set default 45; -insert into def_view_test default values; -alter table def_view_test alter column c2 set default 'view_default'; -insert into def_view_test default values; -select * from def_view_test; - c1 | c2 -----+----------------- - 5 | initial_default - | initial_default - | - 10 | new_default - | - 45 | - 45 | view_default -(7 rows) - -drop rule def_view_test_ins on def_view_test; -drop view def_view_test; -drop table def_test; --- alter table / drop column tests --- try altering system catalogs, should fail -alter table pg_class drop column relname; -ERROR: permission denied: "pg_class" is a system catalog --- try altering non-existent table, should fail -alter table nosuchtable drop column bar; -ERROR: relation "nosuchtable" does not exist --- test dropping columns -create table atacc1 (a int4 not null, b int4, c int4 not null, d int4); -insert into atacc1 values (1, 2, 3, 4); -alter table atacc1 drop a; -alter table atacc1 drop a; -ERROR: column "a" of relation "atacc1" does not exist --- SELECTs -select * from atacc1; - b | c | d ----+---+--- - 2 | 3 | 4 -(1 row) - -select * from atacc1 order by a; -ERROR: column "a" does not exist -LINE 1: select * from atacc1 order by a; - ^ -select * from atacc1 order by "........pg.dropped.1........"; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: select * from atacc1 order by "........pg.dropped.1........"... - ^ -select * from atacc1 group by a; -ERROR: column "a" does not exist -LINE 1: select * from atacc1 group by a; - ^ -select * from atacc1 group by "........pg.dropped.1........"; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: select * from atacc1 group by "........pg.dropped.1........"... - ^ -select atacc1.* from atacc1; - b | c | d ----+---+--- - 2 | 3 | 4 -(1 row) - -select a from atacc1; -ERROR: column "a" does not exist -LINE 1: select a from atacc1; - ^ -select atacc1.a from atacc1; -ERROR: column atacc1.a does not exist -LINE 1: select atacc1.a from atacc1; - ^ -select b,c,d from atacc1; - b | c | d ----+---+--- - 2 | 3 | 4 -(1 row) - -select a,b,c,d from atacc1; -ERROR: column "a" does not exist -LINE 1: select a,b,c,d from atacc1; - ^ -select * from atacc1 where a = 1; -ERROR: column "a" does not exist -LINE 1: select * from atacc1 where a = 1; - ^ -select "........pg.dropped.1........" from atacc1; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: select "........pg.dropped.1........" from atacc1; - ^ -select atacc1."........pg.dropped.1........" from atacc1; -ERROR: column atacc1.........pg.dropped.1........ does not exist -LINE 1: select atacc1."........pg.dropped.1........" from atacc1; - ^ -select "........pg.dropped.1........",b,c,d from atacc1; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: select "........pg.dropped.1........",b,c,d from atacc1; - ^ -select * from atacc1 where "........pg.dropped.1........" = 1; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: select * from atacc1 where "........pg.dropped.1........" = ... - ^ --- UPDATEs -update atacc1 set a = 3; -ERROR: column "a" of relation "atacc1" does not exist -LINE 1: update atacc1 set a = 3; - ^ -update atacc1 set b = 2 where a = 3; -ERROR: column "a" does not exist -LINE 1: update atacc1 set b = 2 where a = 3; - ^ -update atacc1 set "........pg.dropped.1........" = 3; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -LINE 1: update atacc1 set "........pg.dropped.1........" = 3; - ^ -update atacc1 set b = 2 where "........pg.dropped.1........" = 3; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: update atacc1 set b = 2 where "........pg.dropped.1........"... - ^ --- INSERTs -insert into atacc1 values (10, 11, 12, 13); -ERROR: INSERT has more expressions than target columns -LINE 1: insert into atacc1 values (10, 11, 12, 13); - ^ -insert into atacc1 values (default, 11, 12, 13); -ERROR: INSERT has more expressions than target columns -LINE 1: insert into atacc1 values (default, 11, 12, 13); - ^ -insert into atacc1 values (11, 12, 13); -insert into atacc1 (a) values (10); -ERROR: column "a" of relation "atacc1" does not exist -LINE 1: insert into atacc1 (a) values (10); - ^ -insert into atacc1 (a) values (default); -ERROR: column "a" of relation "atacc1" does not exist -LINE 1: insert into atacc1 (a) values (default); - ^ -insert into atacc1 (a,b,c,d) values (10,11,12,13); -ERROR: column "a" of relation "atacc1" does not exist -LINE 1: insert into atacc1 (a,b,c,d) values (10,11,12,13); - ^ -insert into atacc1 (a,b,c,d) values (default,11,12,13); -ERROR: column "a" of relation "atacc1" does not exist -LINE 1: insert into atacc1 (a,b,c,d) values (default,11,12,13); - ^ -insert into atacc1 (b,c,d) values (11,12,13); -insert into atacc1 ("........pg.dropped.1........") values (10); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -LINE 1: insert into atacc1 ("........pg.dropped.1........") values (... - ^ -insert into atacc1 ("........pg.dropped.1........") values (default); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -LINE 1: insert into atacc1 ("........pg.dropped.1........") values (... - ^ -insert into atacc1 ("........pg.dropped.1........",b,c,d) values (10,11,12,13); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -LINE 1: insert into atacc1 ("........pg.dropped.1........",b,c,d) va... - ^ -insert into atacc1 ("........pg.dropped.1........",b,c,d) values (default,11,12,13); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -LINE 1: insert into atacc1 ("........pg.dropped.1........",b,c,d) va... - ^ --- DELETEs -delete from atacc1 where a = 3; -ERROR: column "a" does not exist -LINE 1: delete from atacc1 where a = 3; - ^ -delete from atacc1 where "........pg.dropped.1........" = 3; -ERROR: column "........pg.dropped.1........" does not exist -LINE 1: delete from atacc1 where "........pg.dropped.1........" = 3; - ^ -delete from atacc1; --- try dropping a non-existent column, should fail -alter table atacc1 drop bar; -ERROR: column "bar" of relation "atacc1" does not exist --- try removing an oid column, should succeed (as it's nonexistent) -alter table atacc1 SET WITHOUT OIDS; --- try adding an oid column, should fail (not supported) -alter table atacc1 SET WITH OIDS; -ERROR: syntax error at or near "WITH" -LINE 1: alter table atacc1 SET WITH OIDS; - ^ --- try dropping the xmin column, should fail -alter table atacc1 drop xmin; -ERROR: cannot drop system column "xmin" --- try creating a view and altering that, should fail -create view myview as select * from atacc1; -select * from myview; - b | c | d ----+---+--- -(0 rows) - -alter table myview drop d; -ERROR: ALTER action DROP COLUMN cannot be performed on relation "myview" -DETAIL: This operation is not supported for views. -drop view myview; --- test some commands to make sure they fail on the dropped column -analyze atacc1(a); -ERROR: column "a" of relation "atacc1" does not exist -analyze atacc1("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -vacuum analyze atacc1(a); -ERROR: column "a" of relation "atacc1" does not exist -vacuum analyze atacc1("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -comment on column atacc1.a is 'testing'; -ERROR: column "a" of relation "atacc1" does not exist -comment on column atacc1."........pg.dropped.1........" is 'testing'; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a set storage plain; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" set storage plain; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a set statistics 0; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" set statistics 0; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a set default 3; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" set default 3; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a drop default; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" drop default; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a set not null; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" set not null; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 alter a drop not null; -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 alter "........pg.dropped.1........" drop not null; -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 rename a to x; -ERROR: column "a" does not exist -alter table atacc1 rename "........pg.dropped.1........" to x; -ERROR: column "........pg.dropped.1........" does not exist -alter table atacc1 add primary key(a); -ERROR: column "a" of relation "atacc1" does not exist -alter table atacc1 add primary key("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" of relation "atacc1" does not exist -alter table atacc1 add unique(a); -ERROR: column "a" named in key does not exist -alter table atacc1 add unique("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" named in key does not exist -alter table atacc1 add check (a > 3); -ERROR: column "a" does not exist -alter table atacc1 add check ("........pg.dropped.1........" > 3); -ERROR: column "........pg.dropped.1........" does not exist -create table atacc2 (id int4 unique); -alter table atacc1 add foreign key (a) references atacc2(id); -ERROR: column "a" referenced in foreign key constraint does not exist -alter table atacc1 add foreign key ("........pg.dropped.1........") references atacc2(id); -ERROR: column "........pg.dropped.1........" referenced in foreign key constraint does not exist -alter table atacc2 add foreign key (id) references atacc1(a); -ERROR: column "a" referenced in foreign key constraint does not exist -alter table atacc2 add foreign key (id) references atacc1("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" referenced in foreign key constraint does not exist -drop table atacc2; -create index "testing_idx" on atacc1(a); -ERROR: column "a" does not exist -create index "testing_idx" on atacc1("........pg.dropped.1........"); -ERROR: column "........pg.dropped.1........" does not exist --- test create as and select into -insert into atacc1 values (21, 22, 23); -create table attest1 as select * from atacc1; -select * from attest1; - b | c | d -----+----+---- - 21 | 22 | 23 -(1 row) - -drop table attest1; -select * into attest2 from atacc1; -select * from attest2; - b | c | d -----+----+---- - 21 | 22 | 23 -(1 row) - -drop table attest2; --- try dropping all columns -alter table atacc1 drop c; -alter table atacc1 drop d; -alter table atacc1 drop b; -select * from atacc1; --- -(1 row) - -drop table atacc1; --- test constraint error reporting in presence of dropped columns -create table atacc1 (id serial primary key, value int check (value < 10)); -insert into atacc1(value) values (100); -ERROR: new row for relation "atacc1" violates check constraint "atacc1_value_check" -DETAIL: Failing row contains (1, 100). -alter table atacc1 drop column value; -alter table atacc1 add column value int check (value < 10); -insert into atacc1(value) values (100); -ERROR: new row for relation "atacc1" violates check constraint "atacc1_value_check" -DETAIL: Failing row contains (2, 100). -insert into atacc1(id, value) values (null, 0); -ERROR: null value in column "id" of relation "atacc1" violates not-null constraint -DETAIL: Failing row contains (null, 0). -drop table atacc1; --- test inheritance -create table parent (a int, b int, c int); -insert into parent values (1, 2, 3); -alter table parent drop a; -create table child (d varchar(255)) inherits (parent); -insert into child values (12, 13, 'testing'); -select * from parent; - b | c -----+---- - 2 | 3 - 12 | 13 -(2 rows) - -select * from child; - b | c | d -----+----+--------- - 12 | 13 | testing -(1 row) - -alter table parent drop c; -select * from parent; - b ----- - 2 - 12 -(2 rows) - -select * from child; - b | d -----+--------- - 12 | testing -(1 row) - -drop table child; -drop table parent; --- check error cases for inheritance column merging -create table parent (a float8, b numeric(10,4), c text collate "C"); -create table child (a float4) inherits (parent); -- fail -NOTICE: merging column "a" with inherited definition -ERROR: column "a" has a type conflict -DETAIL: double precision versus real -create table child (b decimal(10,7)) inherits (parent); -- fail -NOTICE: moving and merging column "b" with inherited definition -DETAIL: User-specified column moved to the position of the inherited column. -ERROR: column "b" has a type conflict -DETAIL: numeric(10,4) versus numeric(10,7) -create table child (c text collate "POSIX") inherits (parent); -- fail -NOTICE: moving and merging column "c" with inherited definition -DETAIL: User-specified column moved to the position of the inherited column. -ERROR: column "c" has a collation conflict -DETAIL: "C" versus "POSIX" -create table child (a double precision, b decimal(10,4)) inherits (parent); -NOTICE: merging column "a" with inherited definition -NOTICE: merging column "b" with inherited definition -drop table child; -drop table parent; --- test copy in/out -create table attest (a int4, b int4, c int4); -insert into attest values (1,2,3); -alter table attest drop a; -copy attest to stdout; -2 3 -copy attest(a) to stdout; -ERROR: column "a" of relation "attest" does not exist -copy attest("........pg.dropped.1........") to stdout; -ERROR: column "........pg.dropped.1........" of relation "attest" does not exist -copy attest from stdin; -ERROR: extra data after last expected column -CONTEXT: COPY attest, line 1: "10 11 12" -select * from attest; - b | c ----+--- - 2 | 3 -(1 row) - -copy attest from stdin; -select * from attest; - b | c -----+---- - 2 | 3 - 21 | 22 -(2 rows) - -copy attest(a) from stdin; -ERROR: column "a" of relation "attest" does not exist -copy attest("........pg.dropped.1........") from stdin; -ERROR: column "........pg.dropped.1........" of relation "attest" does not exist -copy attest(b,c) from stdin; -select * from attest; - b | c -----+---- - 2 | 3 - 21 | 22 - 31 | 32 -(3 rows) - -drop table attest; --- test inheritance -create table dropColumn (a int, b int, e int); -create table dropColumnChild (c int) inherits (dropColumn); -create table dropColumnAnother (d int) inherits (dropColumnChild); --- these two should fail -alter table dropColumnchild drop column a; -ERROR: cannot drop inherited column "a" -alter table only dropColumnChild drop column b; -ERROR: cannot drop inherited column "b" --- these three should work -alter table only dropColumn drop column e; -alter table dropColumnChild drop column c; -alter table dropColumn drop column a; -create table renameColumn (a int); -create table renameColumnChild (b int) inherits (renameColumn); -create table renameColumnAnother (c int) inherits (renameColumnChild); --- these three should fail -alter table renameColumnChild rename column a to d; -ERROR: cannot rename inherited column "a" -alter table only renameColumnChild rename column a to d; -ERROR: inherited column "a" must be renamed in child tables too -alter table only renameColumn rename column a to d; -ERROR: inherited column "a" must be renamed in child tables too --- these should work -alter table renameColumn rename column a to d; -alter table renameColumnChild rename column b to a; --- these should work -alter table if exists doesnt_exist_tab rename column a to d; -NOTICE: relation "doesnt_exist_tab" does not exist, skipping -alter table if exists doesnt_exist_tab rename column b to a; -NOTICE: relation "doesnt_exist_tab" does not exist, skipping --- this should work -alter table renameColumn add column w int; --- this should fail -alter table only renameColumn add column x int; -ERROR: column must be added to child tables too --- this should work -alter table renameColumn add column x int check (x > 0) not enforced; --- this should fail -alter table renameColumn add column y int check (x > 0) not enforced enforced; -ERROR: multiple ENFORCED/NOT ENFORCED clauses not allowed -LINE 1: ...Column add column y int check (x > 0) not enforced enforced; - ^ --- Test corner cases in dropping of inherited columns -create table p1 (f1 int, f2 int); -create table c1 (f1 int not null) inherits(p1); -NOTICE: merging column "f1" with inherited definition --- should be rejected since c1.f1 is inherited -alter table c1 drop column f1; -ERROR: cannot drop inherited column "f1" --- should work -alter table p1 drop column f1; --- c1.f1 is still there, but no longer inherited -select f1 from c1; - f1 ----- -(0 rows) - -alter table c1 drop column f1; -select f1 from c1; -ERROR: column "f1" does not exist -LINE 1: select f1 from c1; - ^ -HINT: Perhaps you meant to reference the column "c1.f2". -drop table p1 cascade; -NOTICE: drop cascades to table c1 -create table p1 (f1 int, f2 int); -create table c1 () inherits(p1); --- should be rejected since c1.f1 is inherited -alter table c1 drop column f1; -ERROR: cannot drop inherited column "f1" -alter table p1 drop column f1; --- c1.f1 is dropped now, since there is no local definition for it -select f1 from c1; -ERROR: column "f1" does not exist -LINE 1: select f1 from c1; - ^ -HINT: Perhaps you meant to reference the column "c1.f2". -drop table p1 cascade; -NOTICE: drop cascades to table c1 -create table p1 (f1 int, f2 int); -create table c1 () inherits(p1); --- should be rejected since c1.f1 is inherited -alter table c1 drop column f1; -ERROR: cannot drop inherited column "f1" -alter table only p1 drop column f1; --- c1.f1 is NOT dropped, but must now be considered non-inherited -alter table c1 drop column f1; -drop table p1 cascade; -NOTICE: drop cascades to table c1 -create table p1 (f1 int, f2 int); -create table c1 (f1 int not null) inherits(p1); -NOTICE: merging column "f1" with inherited definition --- should be rejected since c1.f1 is inherited -alter table c1 drop column f1; -ERROR: cannot drop inherited column "f1" -alter table only p1 drop column f1; --- c1.f1 is still there, but no longer inherited -alter table c1 drop column f1; -drop table p1 cascade; -NOTICE: drop cascades to table c1 -create table p1(id int, name text); -create table p2(id2 int, name text, height int); -create table c1(age int) inherits(p1,p2); -NOTICE: merging multiple inherited definitions of column "name" -create table gc1() inherits (c1); -select relname, attname, attinhcount, attislocal -from pg_class join pg_attribute on (pg_class.oid = pg_attribute.attrelid) -where relname in ('p1','p2','c1','gc1') and attnum > 0 and not attisdropped -order by relname, attnum; - relname | attname | attinhcount | attislocal ----------+---------+-------------+------------ - c1 | id | 1 | f - c1 | name | 2 | f - c1 | id2 | 1 | f - c1 | height | 1 | f - c1 | age | 0 | t - gc1 | id | 1 | f - gc1 | name | 1 | f - gc1 | id2 | 1 | f - gc1 | height | 1 | f - gc1 | age | 1 | f - p1 | id | 0 | t - p1 | name | 0 | t - p2 | id2 | 0 | t - p2 | name | 0 | t - p2 | height | 0 | t -(15 rows) - --- should work -alter table only p1 drop column name; --- should work. Now c1.name is local and inhcount is 0. -alter table p2 drop column name; --- should be rejected since its inherited -alter table gc1 drop column name; -ERROR: cannot drop inherited column "name" --- should work, and drop gc1.name along -alter table c1 drop column name; --- should fail: column does not exist -alter table gc1 drop column name; -ERROR: column "name" of relation "gc1" does not exist --- should work and drop the attribute in all tables -alter table p2 drop column height; --- IF EXISTS test -create table dropColumnExists (); -alter table dropColumnExists drop column non_existing; --fail -ERROR: column "non_existing" of relation "dropcolumnexists" does not exist -alter table dropColumnExists drop column if exists non_existing; --succeed -NOTICE: column "non_existing" of relation "dropcolumnexists" does not exist, skipping -select relname, attname, attinhcount, attislocal -from pg_class join pg_attribute on (pg_class.oid = pg_attribute.attrelid) -where relname in ('p1','p2','c1','gc1') and attnum > 0 and not attisdropped -order by relname, attnum; - relname | attname | attinhcount | attislocal ----------+---------+-------------+------------ - c1 | id | 1 | f - c1 | id2 | 1 | f - c1 | age | 0 | t - gc1 | id | 1 | f - gc1 | id2 | 1 | f - gc1 | age | 1 | f - p1 | id | 0 | t - p2 | id2 | 0 | t -(8 rows) - -drop table p1, p2 cascade; -NOTICE: drop cascades to 2 other objects -DETAIL: drop cascades to table c1 -drop cascades to table gc1 --- test attinhcount tracking with merged columns -create table depth0(); -create table depth1(c text) inherits (depth0); -create table depth2() inherits (depth1); -alter table depth0 add c text; -NOTICE: merging definition of column "c" for child "depth1" -select attrelid::regclass, attname, attinhcount, attislocal -from pg_attribute -where attnum > 0 and attrelid::regclass in ('depth0', 'depth1', 'depth2') -order by attrelid::regclass::text, attnum; - attrelid | attname | attinhcount | attislocal -----------+---------+-------------+------------ - depth0 | c | 0 | t - depth1 | c | 1 | t - depth2 | c | 1 | f -(3 rows) - --- test renumbering of child-table columns in inherited operations -create table p1 (f1 int); -create table c1 (f2 text, f3 int) inherits (p1); -alter table p1 add column a1 int check (a1 > 0); -alter table p1 add column f2 text; -NOTICE: merging definition of column "f2" for child "c1" -insert into p1 values (1,2,'abc'); -insert into c1 values(11,'xyz',33,0); -- should fail -ERROR: new row for relation "c1" violates check constraint "p1_a1_check" -DETAIL: Failing row contains (11, xyz, 33, 0). -insert into c1 values(11,'xyz',33,22); -select * from p1; - f1 | a1 | f2 -----+----+----- - 1 | 2 | abc - 11 | 22 | xyz -(2 rows) - -update p1 set a1 = a1 + 1, f2 = upper(f2); -select * from p1; - f1 | a1 | f2 -----+----+----- - 1 | 3 | ABC - 11 | 23 | XYZ -(2 rows) - -drop table p1 cascade; -NOTICE: drop cascades to table c1 --- test that operations with a dropped column do not try to reference --- its datatype -create domain mytype as text; -create temp table foo (f1 text, f2 mytype, f3 text); -insert into foo values('bb','cc','dd'); -select * from foo; - f1 | f2 | f3 -----+----+---- - bb | cc | dd -(1 row) - -drop domain mytype cascade; -NOTICE: drop cascades to column f2 of table foo -select * from foo; - f1 | f3 -----+---- - bb | dd -(1 row) - -insert into foo values('qq','rr'); -select * from foo; - f1 | f3 -----+---- - bb | dd - qq | rr -(2 rows) - -update foo set f3 = 'zz'; -select * from foo; - f1 | f3 -----+---- - bb | zz - qq | zz -(2 rows) - -select f3,max(f1) from foo group by f3; - f3 | max -----+----- - zz | qq -(1 row) - --- Simple tests for alter table column type -alter table foo alter f1 TYPE integer; -- fails -ERROR: column "f1" cannot be cast automatically to type integer -HINT: You might need to specify "USING f1::integer". -alter table foo alter f1 TYPE varchar(10); -create table anothertab (atcol1 serial8, atcol2 boolean, - constraint anothertab_chk check (atcol1 <= 3)); -insert into anothertab (atcol1, atcol2) values (default, true); -insert into anothertab (atcol1, atcol2) values (default, false); -select * from anothertab; - atcol1 | atcol2 ---------+-------- - 1 | t - 2 | f -(2 rows) - -alter table anothertab alter column atcol1 type boolean; -- fails -ERROR: column "atcol1" cannot be cast automatically to type boolean -HINT: You might need to specify "USING atcol1::boolean". -alter table anothertab alter column atcol1 type boolean using atcol1::int; -- fails -ERROR: result of USING clause for column "atcol1" cannot be cast automatically to type boolean -HINT: You might need to add an explicit cast. -alter table anothertab alter column atcol1 type integer; -select * from anothertab; - atcol1 | atcol2 ---------+-------- - 1 | t - 2 | f -(2 rows) - -insert into anothertab (atcol1, atcol2) values (45, null); -- fails -ERROR: new row for relation "anothertab" violates check constraint "anothertab_chk" -DETAIL: Failing row contains (45, null). -insert into anothertab (atcol1, atcol2) values (default, null); -select * from anothertab; - atcol1 | atcol2 ---------+-------- - 1 | t - 2 | f - 3 | -(3 rows) - -alter table anothertab alter column atcol2 type text - using case when atcol2 is true then 'IT WAS TRUE' - when atcol2 is false then 'IT WAS FALSE' - else 'IT WAS NULL!' end; -select * from anothertab; - atcol1 | atcol2 ---------+-------------- - 1 | IT WAS TRUE - 2 | IT WAS FALSE - 3 | IT WAS NULL! -(3 rows) - -alter table anothertab alter column atcol1 type boolean - using case when atcol1 % 2 = 0 then true else false end; -- fails -ERROR: default for column "atcol1" cannot be cast automatically to type boolean -alter table anothertab alter column atcol1 drop default; -alter table anothertab alter column atcol1 type boolean - using case when atcol1 % 2 = 0 then true else false end; -- fails -ERROR: operator does not exist: boolean <= integer -HINT: No operator matches the given name and argument types. You might need to add explicit type casts. -alter table anothertab drop constraint anothertab_chk; -alter table anothertab drop constraint anothertab_chk; -- fails -ERROR: constraint "anothertab_chk" of relation "anothertab" does not exist -alter table anothertab drop constraint IF EXISTS anothertab_chk; -- succeeds -NOTICE: constraint "anothertab_chk" of relation "anothertab" does not exist, skipping -alter table anothertab alter column atcol1 type boolean - using case when atcol1 % 2 = 0 then true else false end; -select * from anothertab; - atcol1 | atcol2 ---------+-------------- - f | IT WAS TRUE - t | IT WAS FALSE - f | IT WAS NULL! -(3 rows) - -drop table anothertab; --- Test index handling in alter table column type (cf. bugs #15835, #15865) -create table anothertab(f1 int primary key, f2 int unique, - f3 int, f4 int, f5 int); -alter table anothertab - add exclude using btree (f3 with =); -alter table anothertab - add exclude using btree (f4 with =) where (f4 is not null); -alter table anothertab - add exclude using btree (f4 with =) where (f5 > 0); -alter table anothertab - add unique(f1,f4); -create index on anothertab(f2,f3); -create unique index on anothertab(f4); -\d anothertab - Table "public.anothertab" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - f1 | integer | | not null | - f2 | integer | | | - f3 | integer | | | - f4 | integer | | | - f5 | integer | | | -Indexes: - "anothertab_pkey" PRIMARY KEY, btree (f1) - "anothertab_f1_f4_key" UNIQUE CONSTRAINT, btree (f1, f4) - "anothertab_f2_f3_idx" btree (f2, f3) - "anothertab_f2_key" UNIQUE CONSTRAINT, btree (f2) - "anothertab_f3_excl" EXCLUDE USING btree (f3 WITH =) - "anothertab_f4_excl" EXCLUDE USING btree (f4 WITH =) WHERE (f4 IS NOT NULL) - "anothertab_f4_excl1" EXCLUDE USING btree (f4 WITH =) WHERE (f5 > 0) - "anothertab_f4_idx" UNIQUE, btree (f4) - -alter table anothertab alter column f1 type bigint; -alter table anothertab - alter column f2 type bigint, - alter column f3 type bigint, - alter column f4 type bigint; -alter table anothertab alter column f5 type bigint; -\d anothertab - Table "public.anothertab" - Column | Type | Collation | Nullable | Default ---------+--------+-----------+----------+--------- - f1 | bigint | | not null | - f2 | bigint | | | - f3 | bigint | | | - f4 | bigint | | | - f5 | bigint | | | -Indexes: - "anothertab_pkey" PRIMARY KEY, btree (f1) - "anothertab_f1_f4_key" UNIQUE CONSTRAINT, btree (f1, f4) - "anothertab_f2_f3_idx" btree (f2, f3) - "anothertab_f2_key" UNIQUE CONSTRAINT, btree (f2) - "anothertab_f3_excl" EXCLUDE USING btree (f3 WITH =) - "anothertab_f4_excl" EXCLUDE USING btree (f4 WITH =) WHERE (f4 IS NOT NULL) - "anothertab_f4_excl1" EXCLUDE USING btree (f4 WITH =) WHERE (f5 > 0) - "anothertab_f4_idx" UNIQUE, btree (f4) - -drop table anothertab; --- test that USING expressions are parsed before column alter type / drop steps -create table another (f1 int, f2 text, f3 text); -insert into another values(1, 'one', 'uno'); -insert into another values(2, 'two', 'due'); -insert into another values(3, 'three', 'tre'); -select * from another; - f1 | f2 | f3 -----+-------+----- - 1 | one | uno - 2 | two | due - 3 | three | tre -(3 rows) - -alter table another - alter f1 type text using f2 || ' and ' || f3 || ' more', - alter f2 type bigint using f1 * 10, - drop column f3; -select * from another; - f1 | f2 ---------------------+---- - one and uno more | 10 - two and due more | 20 - three and tre more | 30 -(3 rows) - -drop table another; --- Create an index that skips WAL, then perform a SET DATA TYPE that skips --- rewriting the index. -begin; -create table skip_wal_skip_rewrite_index (c varchar(10) primary key); -alter table skip_wal_skip_rewrite_index alter c type varchar(20); -commit; --- We disallow changing table's row type if it's used for storage -create table at_tab1 (a int, b text); -create table at_tab2 (x int, y at_tab1); -alter table at_tab1 alter column b type varchar; -- fails -ERROR: cannot alter table "at_tab1" because column "at_tab2.y" uses its row type -drop table at_tab2; --- Use of row type in an expression is defended differently -create table at_tab2 (x int, y text, check((x,y)::at_tab1 = (1,'42')::at_tab1)); -alter table at_tab1 alter column b type varchar; -- allowed, but ... -insert into at_tab2 values(1,'42'); -- ... this will fail -ERROR: ROW() column has type text instead of type character varying -drop table at_tab1, at_tab2; --- Check it for a partitioned table, too -create table at_tab1 (a int, b text) partition by list(a); -create table at_tab2 (x int, y at_tab1); -alter table at_tab1 alter column b type varchar; -- fails -ERROR: cannot alter table "at_tab1" because column "at_tab2.y" uses its row type -drop table at_tab1, at_tab2; --- Alter column type that's part of a partitioned index -create table at_partitioned (a int, b text) partition by range (a); -create table at_part_1 partition of at_partitioned for values from (0) to (1000); -insert into at_partitioned values (512, '0.123'); -create table at_part_2 (b text, a int); -insert into at_part_2 values ('1.234', 1024); -create index on at_partitioned (b); -create index on at_partitioned (a); -\d at_part_1 - Table "public.at_part_1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | -Partition of: at_partitioned FOR VALUES FROM (0) TO (1000) -Indexes: - "at_part_1_a_idx" btree (a) - "at_part_1_b_idx" btree (b) - -\d at_part_2 - Table "public.at_part_2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - b | text | | | - a | integer | | | - -alter table at_partitioned attach partition at_part_2 for values from (1000) to (2000); -\d at_part_2 - Table "public.at_part_2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - b | text | | | - a | integer | | | -Partition of: at_partitioned FOR VALUES FROM (1000) TO (2000) -Indexes: - "at_part_2_a_idx" btree (a) - "at_part_2_b_idx" btree (b) - -alter table at_partitioned alter column b type numeric using b::numeric; -\d at_part_1 - Table "public.at_part_1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | numeric | | | -Partition of: at_partitioned FOR VALUES FROM (0) TO (1000) -Indexes: - "at_part_1_a_idx" btree (a) - "at_part_1_b_idx" btree (b) - -\d at_part_2 - Table "public.at_part_2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - b | numeric | | | - a | integer | | | -Partition of: at_partitioned FOR VALUES FROM (1000) TO (2000) -Indexes: - "at_part_2_a_idx" btree (a) - "at_part_2_b_idx" btree (b) - -drop table at_partitioned; --- Alter column type when no table rewrite is required --- Also check that comments are preserved -create table at_partitioned(id int, name varchar(64), unique (id, name)) - partition by hash(id); -comment on constraint at_partitioned_id_name_key on at_partitioned is 'parent constraint'; -comment on index at_partitioned_id_name_key is 'parent index'; -create table at_partitioned_0 partition of at_partitioned - for values with (modulus 2, remainder 0); -comment on constraint at_partitioned_0_id_name_key on at_partitioned_0 is 'child 0 constraint'; -comment on index at_partitioned_0_id_name_key is 'child 0 index'; -create table at_partitioned_1 partition of at_partitioned - for values with (modulus 2, remainder 1); -comment on constraint at_partitioned_1_id_name_key on at_partitioned_1 is 'child 1 constraint'; -comment on index at_partitioned_1_id_name_key is 'child 1 index'; -insert into at_partitioned values(1, 'foo'); -insert into at_partitioned values(3, 'bar'); -create temp table old_oids as - select relname, oid as oldoid, relfilenode as oldfilenode - from pg_class where relname like 'at_partitioned%'; -select relname, - c.oid = oldoid as orig_oid, - case relfilenode - when 0 then 'none' - when c.oid then 'own' - when oldfilenode then 'orig' - else 'OTHER' - end as storage, - obj_description(c.oid, 'pg_class') as desc - from pg_class c left join old_oids using (relname) - where relname like 'at_partitioned%' - order by relname; - relname | orig_oid | storage | desc -------------------------------+----------+---------+--------------- - at_partitioned | t | none | - at_partitioned_0 | t | own | - at_partitioned_0_id_name_key | t | own | child 0 index - at_partitioned_1 | t | own | - at_partitioned_1_id_name_key | t | own | child 1 index - at_partitioned_id_name_key | t | none | parent index -(6 rows) - -select conname, obj_description(oid, 'pg_constraint') as desc - from pg_constraint where conname like 'at_partitioned%' - order by conname; - conname | desc -------------------------------+-------------------- - at_partitioned_0_id_name_key | child 0 constraint - at_partitioned_1_id_name_key | child 1 constraint - at_partitioned_id_name_key | parent constraint -(3 rows) - -alter table at_partitioned alter column name type varchar(127); -select relname, - c.oid = oldoid as orig_oid, - case relfilenode - when 0 then 'none' - when c.oid then 'own' - when oldfilenode then 'orig' - else 'OTHER' - end as storage, - obj_description(c.oid, 'pg_class') as desc - from pg_class c left join old_oids using (relname) - where relname like 'at_partitioned%' - order by relname; - relname | orig_oid | storage | desc -------------------------------+----------+---------+-------------- - at_partitioned | t | none | - at_partitioned_0 | t | own | - at_partitioned_0_id_name_key | f | own | - at_partitioned_1 | t | own | - at_partitioned_1_id_name_key | f | own | - at_partitioned_id_name_key | f | none | parent index -(6 rows) - -select conname, obj_description(oid, 'pg_constraint') as desc - from pg_constraint where conname like 'at_partitioned%' - order by conname; - conname | desc -------------------------------+------------------- - at_partitioned_0_id_name_key | - at_partitioned_1_id_name_key | - at_partitioned_id_name_key | parent constraint -(3 rows) - --- Don't remove this DROP, it exposes bug #15672 -drop table at_partitioned; --- disallow recursive containment of row types -create temp table recur1 (f1 int); -alter table recur1 add column f2 recur1; -- fails -ERROR: composite type recur1 cannot be made a member of itself -alter table recur1 add column f2 recur1[]; -- fails -ERROR: composite type recur1 cannot be made a member of itself -create domain array_of_recur1 as recur1[]; -alter table recur1 add column f2 array_of_recur1; -- fails -ERROR: composite type recur1 cannot be made a member of itself -create temp table recur2 (f1 int, f2 recur1); -alter table recur1 add column f2 recur2; -- fails -ERROR: composite type recur1 cannot be made a member of itself -alter table recur1 add column f2 int; -alter table recur1 alter column f2 type recur2; -- fails -ERROR: composite type recur1 cannot be made a member of itself --- SET STORAGE may need to add a TOAST table -create table test_storage (a text, c text storage plain); -select reltoastrelid <> 0 as has_toast_table - from pg_class where oid = 'test_storage'::regclass; - has_toast_table ------------------ - t -(1 row) - -alter table test_storage alter a set storage plain; --- rewrite table to remove its TOAST table; need a non-constant column default -alter table test_storage add b int default random()::int; -select reltoastrelid <> 0 as has_toast_table - from pg_class where oid = 'test_storage'::regclass; - has_toast_table ------------------ - f -(1 row) - -alter table test_storage alter a set storage default; -- re-add TOAST table -select reltoastrelid <> 0 as has_toast_table - from pg_class where oid = 'test_storage'::regclass; - has_toast_table ------------------ - t -(1 row) - --- check STORAGE correctness -create table test_storage_failed (a text, b int storage extended); -ERROR: column data type integer can only have storage PLAIN --- test that SET STORAGE propagates to index correctly -create index test_storage_idx on test_storage (b, a); -alter table test_storage alter column a set storage external; -\d+ test_storage - Table "public.test_storage" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+-------------------+----------+--------------+------------- - a | text | | | | external | | - c | text | | | | plain | | - b | integer | | | random()::integer | plain | | -Indexes: - "test_storage_idx" btree (b, a) - -\d+ test_storage_idx - Index "public.test_storage_idx" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+----------+-------------- - b | integer | yes | b | plain | - a | text | yes | a | external | -btree, for table "public.test_storage" - --- ALTER COLUMN TYPE with a check constraint and a child table (bug #13779) -CREATE TABLE test_inh_check (a float check (a > 10.2), b float); -CREATE TABLE test_inh_check_child() INHERITS(test_inh_check); -\d test_inh_check - Table "public.test_inh_check" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | double precision | | | - b | double precision | | | -Check constraints: - "test_inh_check_a_check" CHECK (a > 10.2::double precision) -Number of child tables: 1 (Use \d+ to list them.) - -\d test_inh_check_child - Table "public.test_inh_check_child" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | double precision | | | - b | double precision | | | -Check constraints: - "test_inh_check_a_check" CHECK (a > 10.2::double precision) -Inherits: test_inh_check - -select relname, conname, coninhcount, conislocal, connoinherit - from pg_constraint c, pg_class r - where relname like 'test_inh_check%' and c.conrelid = r.oid - order by 1, 2; - relname | conname | coninhcount | conislocal | connoinherit -----------------------+------------------------+-------------+------------+-------------- - test_inh_check | test_inh_check_a_check | 0 | t | f - test_inh_check_child | test_inh_check_a_check | 1 | f | f -(2 rows) - -ALTER TABLE test_inh_check ALTER COLUMN a TYPE numeric; -\d test_inh_check - Table "public.test_inh_check" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | numeric | | | - b | double precision | | | -Check constraints: - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Number of child tables: 1 (Use \d+ to list them.) - -\d test_inh_check_child - Table "public.test_inh_check_child" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | numeric | | | - b | double precision | | | -Check constraints: - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Inherits: test_inh_check - -select relname, conname, coninhcount, conislocal, connoinherit - from pg_constraint c, pg_class r - where relname like 'test_inh_check%' and c.conrelid = r.oid - order by 1, 2; - relname | conname | coninhcount | conislocal | connoinherit -----------------------+------------------------+-------------+------------+-------------- - test_inh_check | test_inh_check_a_check | 0 | t | f - test_inh_check_child | test_inh_check_a_check | 1 | f | f -(2 rows) - --- also try noinherit, local, and local+inherited cases -ALTER TABLE test_inh_check ADD CONSTRAINT bnoinherit CHECK (b > 100) NO INHERIT; -ALTER TABLE test_inh_check_child ADD CONSTRAINT blocal CHECK (b < 1000); -ALTER TABLE test_inh_check_child ADD CONSTRAINT bmerged CHECK (b > 1); -ALTER TABLE test_inh_check ADD CONSTRAINT bmerged CHECK (b > 1); -NOTICE: merging constraint "bmerged" with inherited definition -\d test_inh_check - Table "public.test_inh_check" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | numeric | | | - b | double precision | | | -Check constraints: - "bmerged" CHECK (b > 1::double precision) - "bnoinherit" CHECK (b > 100::double precision) NO INHERIT - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Number of child tables: 1 (Use \d+ to list them.) - -\d test_inh_check_child - Table "public.test_inh_check_child" - Column | Type | Collation | Nullable | Default ---------+------------------+-----------+----------+--------- - a | numeric | | | - b | double precision | | | -Check constraints: - "blocal" CHECK (b < 1000::double precision) - "bmerged" CHECK (b > 1::double precision) - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Inherits: test_inh_check - -select relname, conname, coninhcount, conislocal, connoinherit - from pg_constraint c, pg_class r - where relname like 'test_inh_check%' and c.conrelid = r.oid - order by 1, 2; - relname | conname | coninhcount | conislocal | connoinherit -----------------------+------------------------+-------------+------------+-------------- - test_inh_check | bmerged | 0 | t | f - test_inh_check | bnoinherit | 0 | t | t - test_inh_check | test_inh_check_a_check | 0 | t | f - test_inh_check_child | blocal | 0 | t | f - test_inh_check_child | bmerged | 1 | t | f - test_inh_check_child | test_inh_check_a_check | 1 | f | f -(6 rows) - -ALTER TABLE test_inh_check ALTER COLUMN b TYPE numeric; -NOTICE: merging constraint "bmerged" with inherited definition -\d test_inh_check - Table "public.test_inh_check" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | numeric | | | - b | numeric | | | -Check constraints: - "bmerged" CHECK (b::double precision > 1::double precision) - "bnoinherit" CHECK (b::double precision > 100::double precision) NO INHERIT - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Number of child tables: 1 (Use \d+ to list them.) - -\d test_inh_check_child - Table "public.test_inh_check_child" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | numeric | | | - b | numeric | | | -Check constraints: - "blocal" CHECK (b::double precision < 1000::double precision) - "bmerged" CHECK (b::double precision > 1::double precision) - "test_inh_check_a_check" CHECK (a::double precision > 10.2::double precision) -Inherits: test_inh_check - -select relname, conname, coninhcount, conislocal, connoinherit - from pg_constraint c, pg_class r - where relname like 'test_inh_check%' and c.conrelid = r.oid - order by 1, 2; - relname | conname | coninhcount | conislocal | connoinherit -----------------------+------------------------+-------------+------------+-------------- - test_inh_check | bmerged | 0 | t | f - test_inh_check | bnoinherit | 0 | t | t - test_inh_check | test_inh_check_a_check | 0 | t | f - test_inh_check_child | blocal | 0 | t | f - test_inh_check_child | bmerged | 1 | t | f - test_inh_check_child | test_inh_check_a_check | 1 | f | f -(6 rows) - --- ALTER COLUMN TYPE with different schema in children --- Bug at https://postgr.es/m/20170102225618.GA10071@telsasoft.com -CREATE TABLE test_type_diff (f1 int); -CREATE TABLE test_type_diff_c (extra smallint) INHERITS (test_type_diff); -ALTER TABLE test_type_diff ADD COLUMN f2 int; -INSERT INTO test_type_diff_c VALUES (1, 2, 3); -ALTER TABLE test_type_diff ALTER COLUMN f2 TYPE bigint USING f2::bigint; -CREATE TABLE test_type_diff2 (int_two int2, int_four int4, int_eight int8); -CREATE TABLE test_type_diff2_c1 (int_four int4, int_eight int8, int_two int2); -CREATE TABLE test_type_diff2_c2 (int_eight int8, int_two int2, int_four int4); -CREATE TABLE test_type_diff2_c3 (int_two int2, int_four int4, int_eight int8); -ALTER TABLE test_type_diff2_c1 INHERIT test_type_diff2; -ALTER TABLE test_type_diff2_c2 INHERIT test_type_diff2; -ALTER TABLE test_type_diff2_c3 INHERIT test_type_diff2; -INSERT INTO test_type_diff2_c1 VALUES (1, 2, 3); -INSERT INTO test_type_diff2_c2 VALUES (4, 5, 6); -INSERT INTO test_type_diff2_c3 VALUES (7, 8, 9); -ALTER TABLE test_type_diff2 ALTER COLUMN int_four TYPE int8 USING int_four::int8; --- whole-row references are disallowed -ALTER TABLE test_type_diff2 ALTER COLUMN int_four TYPE int4 USING (pg_column_size(test_type_diff2)); -ERROR: cannot convert whole-row table reference -DETAIL: USING expression contains a whole-row table reference. --- check for rollback of ANALYZE corrupting table property flags (bug #11638) -CREATE TABLE check_fk_presence_1 (id int PRIMARY KEY, t text); -CREATE TABLE check_fk_presence_2 (id int REFERENCES check_fk_presence_1, t text); -BEGIN; -ALTER TABLE check_fk_presence_2 DROP CONSTRAINT check_fk_presence_2_id_fkey; -ANALYZE check_fk_presence_2; -ROLLBACK; -\d check_fk_presence_2 - Table "public.check_fk_presence_2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - id | integer | | | - t | text | | | -Foreign-key constraints: - "check_fk_presence_2_id_fkey" FOREIGN KEY (id) REFERENCES check_fk_presence_1(id) - -DROP TABLE check_fk_presence_1, check_fk_presence_2; --- check column addition within a view (bug #14876) -create table at_base_table(id int, stuff text); -insert into at_base_table values (23, 'skidoo'); -create view at_view_1 as select * from at_base_table bt; -create view at_view_2 as select *, to_json(v1) as j from at_view_1 v1; -\d+ at_view_1 - View "public.at_view_1" - Column | Type | Collation | Nullable | Default | Storage | Description ---------+---------+-----------+----------+---------+----------+------------- - id | integer | | | | plain | - stuff | text | | | | extended | -View definition: - SELECT id, - stuff - FROM at_base_table bt; - -\d+ at_view_2 - View "public.at_view_2" - Column | Type | Collation | Nullable | Default | Storage | Description ---------+---------+-----------+----------+---------+----------+------------- - id | integer | | | | plain | - stuff | text | | | | extended | - j | json | | | | extended | -View definition: - SELECT id, - stuff, - to_json(v1.*) AS j - FROM at_view_1 v1; - -explain (verbose, costs off) select * from at_view_2; - QUERY PLAN ----------------------------------------------------------- - Seq Scan on public.at_base_table bt - Output: bt.id, bt.stuff, to_json(ROW(bt.id, bt.stuff)) -(2 rows) - -select * from at_view_2; - id | stuff | j -----+--------+---------------------------- - 23 | skidoo | {"id":23,"stuff":"skidoo"} -(1 row) - -create or replace view at_view_1 as select *, 2+2 as more from at_base_table bt; -\d+ at_view_1 - View "public.at_view_1" - Column | Type | Collation | Nullable | Default | Storage | Description ---------+---------+-----------+----------+---------+----------+------------- - id | integer | | | | plain | - stuff | text | | | | extended | - more | integer | | | | plain | -View definition: - SELECT id, - stuff, - 2 + 2 AS more - FROM at_base_table bt; - -\d+ at_view_2 - View "public.at_view_2" - Column | Type | Collation | Nullable | Default | Storage | Description ---------+---------+-----------+----------+---------+----------+------------- - id | integer | | | | plain | - stuff | text | | | | extended | - j | json | | | | extended | -View definition: - SELECT id, - stuff, - to_json(v1.*) AS j - FROM at_view_1 v1; - -explain (verbose, costs off) select * from at_view_2; - QUERY PLAN -------------------------------------------------------------- - Seq Scan on public.at_base_table bt - Output: bt.id, bt.stuff, to_json(ROW(bt.id, bt.stuff, 4)) -(2 rows) - -select * from at_view_2; - id | stuff | j -----+--------+------------------------------------- - 23 | skidoo | {"id":23,"stuff":"skidoo","more":4} -(1 row) - -drop view at_view_2; -drop view at_view_1; -drop table at_base_table; --- related case (bug #17811) -begin; -create temp table t1 as select * from int8_tbl; -create temp view v1 as select 1::int8 as q1; -create temp view v2 as select * from v1; -create or replace temp view v1 with (security_barrier = true) - as select * from t1; -create temp table log (q1 int8, q2 int8); -create rule v1_upd_rule as on update to v1 - do also insert into log values (new.*); -update v2 set q1 = q1 + 1 where q1 = 123; -select * from t1; - q1 | q2 -------------------+------------------- - 4567890123456789 | 123 - 4567890123456789 | 4567890123456789 - 4567890123456789 | -4567890123456789 - 124 | 456 - 124 | 4567890123456789 -(5 rows) - -select * from log; - q1 | q2 ------+------------------ - 124 | 456 - 124 | 4567890123456789 -(2 rows) - -rollback; --- check adding a column not itself requiring a rewrite, together with --- a column requiring a default (bug #16038) --- ensure that rewrites aren't silently optimized away, removing the --- value of the test -CREATE FUNCTION check_ddl_rewrite(p_tablename regclass, p_ddl text) -RETURNS boolean -LANGUAGE plpgsql AS $$ -DECLARE - v_relfilenode oid; -BEGIN - v_relfilenode := relfilenode FROM pg_class WHERE oid = p_tablename; - - EXECUTE p_ddl; - - RETURN v_relfilenode <> (SELECT relfilenode FROM pg_class WHERE oid = p_tablename); -END; -$$; -CREATE TABLE rewrite_test(col text); -INSERT INTO rewrite_test VALUES ('something'); -INSERT INTO rewrite_test VALUES (NULL); --- empty[12] don't need rewrite, but notempty[12]_rewrite will force one -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN empty1 text, - ADD COLUMN notempty1_rewrite serial; -$$); - check_ddl_rewrite -------------------- - t -(1 row) - -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN notempty2_rewrite serial, - ADD COLUMN empty2 text; -$$); - check_ddl_rewrite -------------------- - t -(1 row) - --- also check that fast defaults cause no problem, first without rewrite -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN empty3 text, - ADD COLUMN notempty3_norewrite int default 42; -$$); - check_ddl_rewrite -------------------- - f -(1 row) - -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN notempty4_norewrite int default 42, - ADD COLUMN empty4 text; -$$); - check_ddl_rewrite -------------------- - f -(1 row) - --- then with rewrite -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN empty5 text, - ADD COLUMN notempty5_norewrite int default 42, - ADD COLUMN notempty5_rewrite serial; -$$); - check_ddl_rewrite -------------------- - t -(1 row) - -SELECT check_ddl_rewrite('rewrite_test', $$ - ALTER TABLE rewrite_test - ADD COLUMN notempty6_rewrite serial, - ADD COLUMN empty6 text, - ADD COLUMN notempty6_norewrite int default 42; -$$); - check_ddl_rewrite -------------------- - t -(1 row) - --- cleanup -DROP FUNCTION check_ddl_rewrite(regclass, text); -DROP TABLE rewrite_test; --- --- lock levels --- -drop type lockmodes; -ERROR: type "lockmodes" does not exist -create type lockmodes as enum ( - 'SIReadLock' -,'AccessShareLock' -,'RowShareLock' -,'RowExclusiveLock' -,'ShareUpdateExclusiveLock' -,'ShareLock' -,'ShareRowExclusiveLock' -,'ExclusiveLock' -,'AccessExclusiveLock' -); -drop view my_locks; -ERROR: view "my_locks" does not exist -create or replace view my_locks as -select case when c.relname like 'pg_toast%' then 'pg_toast' else c.relname end, max(mode::lockmodes) as max_lockmode -from pg_locks l join pg_class c on l.relation = c.oid -where virtualtransaction = ( - select virtualtransaction - from pg_locks - where transactionid = pg_current_xact_id()::xid) -and locktype = 'relation' -and relnamespace != (select oid from pg_namespace where nspname = 'pg_catalog') -and c.relname != 'my_locks' -group by c.relname; -create table alterlock (f1 int primary key, f2 text); -insert into alterlock values (1, 'foo'); -create table alterlock2 (f3 int primary key, f1 int); -insert into alterlock2 values (1, 1); -begin; alter table alterlock alter column f2 set statistics 150; -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock -(1 row) - -rollback; -begin; alter table alterlock cluster on alterlock_pkey; -select * from my_locks order by 1; - relname | max_lockmode -----------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - alterlock_pkey | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock set without cluster; -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock -(1 row) - -commit; -begin; alter table alterlock set (fillfactor = 100); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - pg_toast | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock reset (fillfactor); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - pg_toast | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock set (toast.autovacuum_enabled = off); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - pg_toast | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock set (autovacuum_enabled = off); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - pg_toast | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock alter column f2 set (n_distinct = 1); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock -(1 row) - -rollback; --- test that mixing options with different lock levels works as expected -begin; alter table alterlock set (autovacuum_enabled = off, fillfactor = 80); -select * from my_locks order by 1; - relname | max_lockmode ------------+-------------------------- - alterlock | ShareUpdateExclusiveLock - pg_toast | ShareUpdateExclusiveLock -(2 rows) - -commit; -begin; alter table alterlock alter column f2 set storage extended; -select * from my_locks order by 1; - relname | max_lockmode ------------+--------------------- - alterlock | AccessExclusiveLock -(1 row) - -rollback; -begin; alter table alterlock alter column f2 set default 'x'; -select * from my_locks order by 1; - relname | max_lockmode ------------+--------------------- - alterlock | AccessExclusiveLock -(1 row) - -rollback; -begin; -create function ttdummy () returns trigger language plpgsql as -$$ begin return new; end $$; -create trigger ttdummy - before delete or update on alterlock - for each row - execute procedure - ttdummy (1, 1); -select * from my_locks order by 1; - relname | max_lockmode ------------+----------------------- - alterlock | ShareRowExclusiveLock -(1 row) - -rollback; -begin; -select * from my_locks order by 1; - relname | max_lockmode ----------+-------------- -(0 rows) - -alter table alterlock2 add foreign key (f1) references alterlock (f1); -select * from my_locks order by 1; - relname | max_lockmode ------------------+----------------------- - alterlock | ShareRowExclusiveLock - alterlock2 | ShareRowExclusiveLock - alterlock2_pkey | AccessShareLock - alterlock_pkey | AccessShareLock -(4 rows) - -rollback; -begin; -alter table alterlock2 -add constraint alterlock2nv foreign key (f1) references alterlock (f1) NOT VALID; -select * from my_locks order by 1; - relname | max_lockmode -------------+----------------------- - alterlock | ShareRowExclusiveLock - alterlock2 | ShareRowExclusiveLock -(2 rows) - -commit; -begin; -alter table alterlock2 validate constraint alterlock2nv; -select * from my_locks order by 1; - relname | max_lockmode ------------------+-------------------------- - alterlock | RowShareLock - alterlock2 | ShareUpdateExclusiveLock - alterlock2_pkey | AccessShareLock - alterlock_pkey | AccessShareLock -(4 rows) - -rollback; -create or replace view my_locks as -select case when c.relname like 'pg_toast%' then 'pg_toast' else c.relname end, max(mode::lockmodes) as max_lockmode -from pg_locks l join pg_class c on l.relation = c.oid -where virtualtransaction = ( - select virtualtransaction - from pg_locks - where transactionid = pg_current_xact_id()::xid) -and locktype = 'relation' -and relnamespace != (select oid from pg_namespace where nspname = 'pg_catalog') -and c.relname = 'my_locks' -group by c.relname; --- raise exception -alter table my_locks set (autovacuum_enabled = false); -ERROR: unrecognized parameter "autovacuum_enabled" -alter view my_locks set (autovacuum_enabled = false); -ERROR: unrecognized parameter "autovacuum_enabled" -alter table my_locks reset (autovacuum_enabled); -alter view my_locks reset (autovacuum_enabled); -begin; -alter view my_locks set (security_barrier=off); -select * from my_locks order by 1; - relname | max_lockmode -----------+--------------------- - my_locks | AccessExclusiveLock -(1 row) - -alter view my_locks reset (security_barrier); -rollback; --- this test intentionally applies the ALTER TABLE command against a view, but --- uses a view option so we expect this to succeed. This form of SQL is --- accepted for historical reasons, as shown in the docs for ALTER VIEW -begin; -alter table my_locks set (security_barrier=off); -select * from my_locks order by 1; - relname | max_lockmode -----------+--------------------- - my_locks | AccessExclusiveLock -(1 row) - -alter table my_locks reset (security_barrier); -rollback; --- cleanup -drop table alterlock2; -drop table alterlock; -drop view my_locks; -drop type lockmodes; --- --- alter function --- -create function test_strict(text) returns text as - 'select coalesce($1, ''got passed a null'');' - language sql returns null on null input; -select test_strict(NULL); - test_strict -------------- - -(1 row) - -alter function test_strict(text) called on null input; -select test_strict(NULL); - test_strict -------------------- - got passed a null -(1 row) - -create function non_strict(text) returns text as - 'select coalesce($1, ''got passed a null'');' - language sql called on null input; -select non_strict(NULL); - non_strict -------------------- - got passed a null -(1 row) - -alter function non_strict(text) returns null on null input; -select non_strict(NULL); - non_strict ------------- - -(1 row) - --- --- alter object set schema --- -create schema alter1; -create schema alter2; -create table alter1.t1(f1 serial primary key, f2 int check (f2 > 0)); -create view alter1.v1 as select * from alter1.t1; -create function alter1.plus1(int) returns int as 'select $1+1' language sql; -create domain alter1.posint integer check (value > 0); -create type alter1.ctype as (f1 int, f2 text); -create function alter1.same(alter1.ctype, alter1.ctype) returns boolean language sql -as 'select $1.f1 is not distinct from $2.f1 and $1.f2 is not distinct from $2.f2'; -create operator alter1.=(procedure = alter1.same, leftarg = alter1.ctype, rightarg = alter1.ctype); -create operator class alter1.ctype_hash_ops default for type alter1.ctype using hash as - operator 1 alter1.=(alter1.ctype, alter1.ctype); -create conversion alter1.latin1_to_utf8 for 'latin1' to 'utf8' from iso8859_1_to_utf8; -create text search parser alter1.prs(start = prsd_start, gettoken = prsd_nexttoken, end = prsd_end, lextypes = prsd_lextype); -create text search configuration alter1.cfg(parser = alter1.prs); -create text search template alter1.tmpl(init = dsimple_init, lexize = dsimple_lexize); -create text search dictionary alter1.dict(template = alter1.tmpl); -insert into alter1.t1(f2) values(11); -insert into alter1.t1(f2) values(12); -alter table alter1.t1 set schema alter1; -- no-op, same schema -alter table alter1.t1 set schema alter2; -alter table alter1.v1 set schema alter2; -alter function alter1.plus1(int) set schema alter2; -alter domain alter1.posint set schema alter2; -alter operator class alter1.ctype_hash_ops using hash set schema alter2; -alter operator family alter1.ctype_hash_ops using hash set schema alter2; -alter operator alter1.=(alter1.ctype, alter1.ctype) set schema alter2; -alter function alter1.same(alter1.ctype, alter1.ctype) set schema alter2; -alter type alter1.ctype set schema alter1; -- no-op, same schema -alter type alter1.ctype set schema alter2; -alter conversion alter1.latin1_to_utf8 set schema alter2; -alter text search parser alter1.prs set schema alter2; -alter text search configuration alter1.cfg set schema alter2; -alter text search template alter1.tmpl set schema alter2; -alter text search dictionary alter1.dict set schema alter2; --- this should succeed because nothing is left in alter1 -drop schema alter1; -insert into alter2.t1(f2) values(13); -insert into alter2.t1(f2) values(14); -select * from alter2.t1; - f1 | f2 -----+---- - 1 | 11 - 2 | 12 - 3 | 13 - 4 | 14 -(4 rows) - -select * from alter2.v1; - f1 | f2 -----+---- - 1 | 11 - 2 | 12 - 3 | 13 - 4 | 14 -(4 rows) - -select alter2.plus1(41); - plus1 -------- - 42 -(1 row) - --- clean up -drop schema alter2 cascade; -NOTICE: drop cascades to 13 other objects -DETAIL: drop cascades to table alter2.t1 -drop cascades to view alter2.v1 -drop cascades to function alter2.plus1(integer) -drop cascades to type alter2.posint -drop cascades to type alter2.ctype -drop cascades to function alter2.same(alter2.ctype,alter2.ctype) -drop cascades to operator alter2.=(alter2.ctype,alter2.ctype) -drop cascades to operator family alter2.ctype_hash_ops for access method hash -drop cascades to conversion alter2.latin1_to_utf8 -drop cascades to text search parser alter2.prs -drop cascades to text search configuration alter2.cfg -drop cascades to text search template alter2.tmpl -drop cascades to text search dictionary alter2.dict --- --- composite types --- -CREATE TYPE test_type AS (a int); -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - -ALTER TYPE nosuchtype ADD ATTRIBUTE b text; -- fails -ERROR: relation "nosuchtype" does not exist -ALTER TYPE test_type ADD ATTRIBUTE b text; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | - -ALTER TYPE test_type ADD ATTRIBUTE b text; -- fails -ERROR: column "b" of relation "test_type" already exists -ALTER TYPE test_type ALTER ATTRIBUTE b SET DATA TYPE varchar; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+-------------------+-----------+----------+--------- - a | integer | | | - b | character varying | | | - -ALTER TYPE test_type ALTER ATTRIBUTE b SET DATA TYPE integer; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - -ALTER TYPE test_type DROP ATTRIBUTE b; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - -ALTER TYPE test_type DROP ATTRIBUTE c; -- fails -ERROR: column "c" of relation "test_type" does not exist -ALTER TYPE test_type DROP ATTRIBUTE IF EXISTS c; -NOTICE: column "c" of relation "test_type" does not exist, skipping -ALTER TYPE test_type DROP ATTRIBUTE a, ADD ATTRIBUTE d boolean; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - d | boolean | | | - -ALTER TYPE test_type RENAME ATTRIBUTE a TO aa; -ERROR: column "a" does not exist -ALTER TYPE test_type RENAME ATTRIBUTE d TO dd; -\d test_type - Composite type "public.test_type" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - dd | boolean | | | - -DROP TYPE test_type; -CREATE TYPE test_type1 AS (a int, b text); -CREATE TABLE test_tbl1 (x int, y test_type1); -ALTER TYPE test_type1 ALTER ATTRIBUTE b TYPE varchar; -- fails -ERROR: cannot alter type "test_type1" because column "test_tbl1.y" uses it -DROP TABLE test_tbl1; -CREATE TABLE test_tbl1 (x int, y text); -CREATE INDEX test_tbl1_idx ON test_tbl1((row(x,y)::test_type1)); -ALTER TYPE test_type1 ALTER ATTRIBUTE b TYPE varchar; -- fails -ERROR: cannot alter type "test_type1" because column "test_tbl1_idx.row" uses it -DROP TABLE test_tbl1; -DROP TYPE test_type1; -CREATE TYPE test_type2 AS (a int, b text); -CREATE TABLE test_tbl2 OF test_type2; -CREATE TABLE test_tbl2_subclass () INHERITS (test_tbl2); -\d test_type2 - Composite type "public.test_type2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | - -\d test_tbl2 - Table "public.test_tbl2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | -Number of child tables: 1 (Use \d+ to list them.) -Typed table of type: test_type2 - -ALTER TYPE test_type2 ADD ATTRIBUTE c text; -- fails -ERROR: cannot alter type "test_type2" because it is the type of a typed table -HINT: Use ALTER ... CASCADE to alter the typed tables too. -ALTER TYPE test_type2 ADD ATTRIBUTE c text CASCADE; -\d test_type2 - Composite type "public.test_type2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | - c | text | | | - -\d test_tbl2 - Table "public.test_tbl2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | text | | | - c | text | | | -Number of child tables: 1 (Use \d+ to list them.) -Typed table of type: test_type2 - -ALTER TYPE test_type2 ALTER ATTRIBUTE b TYPE varchar; -- fails -ERROR: cannot alter type "test_type2" because it is the type of a typed table -HINT: Use ALTER ... CASCADE to alter the typed tables too. -ALTER TYPE test_type2 ALTER ATTRIBUTE b TYPE varchar CASCADE; -\d test_type2 - Composite type "public.test_type2" - Column | Type | Collation | Nullable | Default ---------+-------------------+-----------+----------+--------- - a | integer | | | - b | character varying | | | - c | text | | | - -\d test_tbl2 - Table "public.test_tbl2" - Column | Type | Collation | Nullable | Default ---------+-------------------+-----------+----------+--------- - a | integer | | | - b | character varying | | | - c | text | | | -Number of child tables: 1 (Use \d+ to list them.) -Typed table of type: test_type2 - -ALTER TYPE test_type2 DROP ATTRIBUTE b; -- fails -ERROR: cannot alter type "test_type2" because it is the type of a typed table -HINT: Use ALTER ... CASCADE to alter the typed tables too. -ALTER TYPE test_type2 DROP ATTRIBUTE b CASCADE; -\d test_type2 - Composite type "public.test_type2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - c | text | | | - -\d test_tbl2 - Table "public.test_tbl2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - c | text | | | -Number of child tables: 1 (Use \d+ to list them.) -Typed table of type: test_type2 - -ALTER TYPE test_type2 RENAME ATTRIBUTE a TO aa; -- fails -ERROR: cannot alter type "test_type2" because it is the type of a typed table -HINT: Use ALTER ... CASCADE to alter the typed tables too. -ALTER TYPE test_type2 RENAME ATTRIBUTE a TO aa CASCADE; -\d test_type2 - Composite type "public.test_type2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - aa | integer | | | - c | text | | | - -\d test_tbl2 - Table "public.test_tbl2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - aa | integer | | | - c | text | | | -Number of child tables: 1 (Use \d+ to list them.) -Typed table of type: test_type2 - -\d test_tbl2_subclass - Table "public.test_tbl2_subclass" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - aa | integer | | | - c | text | | | -Inherits: test_tbl2 - -DROP TABLE test_tbl2_subclass, test_tbl2; -DROP TYPE test_type2; -CREATE TYPE test_typex AS (a int, b text); -CREATE TABLE test_tblx (x int, y test_typex check ((y).a > 0)); -ALTER TYPE test_typex DROP ATTRIBUTE a; -- fails -ERROR: cannot drop column a of composite type test_typex because other objects depend on it -DETAIL: constraint test_tblx_y_check on table test_tblx depends on column a of composite type test_typex -HINT: Use DROP ... CASCADE to drop the dependent objects too. -ALTER TYPE test_typex DROP ATTRIBUTE a CASCADE; -NOTICE: drop cascades to constraint test_tblx_y_check on table test_tblx -\d test_tblx - Table "public.test_tblx" - Column | Type | Collation | Nullable | Default ---------+------------+-----------+----------+--------- - x | integer | | | - y | test_typex | | | - -DROP TABLE test_tblx; -DROP TYPE test_typex; --- This test isn't that interesting on its own, but the purpose is to leave --- behind a table to test pg_upgrade with. The table has a composite type --- column in it, and the composite type has a dropped attribute. -CREATE TYPE test_type3 AS (a int); -CREATE TABLE test_tbl3 (c) AS SELECT '(1)'::test_type3; -ALTER TYPE test_type3 DROP ATTRIBUTE a, ADD ATTRIBUTE b int; -CREATE TYPE test_type_empty AS (); -DROP TYPE test_type_empty; --- --- typed tables: OF / NOT OF --- -CREATE TYPE tt_t0 AS (z inet, x int, y numeric(8,2)); -ALTER TYPE tt_t0 DROP ATTRIBUTE z; -CREATE TABLE tt0 (x int NOT NULL, y numeric(8,2)); -- OK -CREATE TABLE tt1 (x int, y bigint); -- wrong base type -CREATE TABLE tt2 (x int, y numeric(9,2)); -- wrong typmod -CREATE TABLE tt3 (y numeric(8,2), x int); -- wrong column order -CREATE TABLE tt4 (x int); -- too few columns -CREATE TABLE tt5 (x int, y numeric(8,2), z int); -- too few columns -CREATE TABLE tt6 () INHERITS (tt0); -- can't have a parent -CREATE TABLE tt7 (x int, q text, y numeric(8,2)); -ALTER TABLE tt7 DROP q; -- OK -ALTER TABLE tt0 OF tt_t0; -ALTER TABLE tt1 OF tt_t0; -ERROR: table "tt1" has different type for column "y" -ALTER TABLE tt2 OF tt_t0; -ERROR: table "tt2" has different type for column "y" -ALTER TABLE tt3 OF tt_t0; -ERROR: table has column "y" where type requires "x" -ALTER TABLE tt4 OF tt_t0; -ERROR: table is missing column "y" -ALTER TABLE tt5 OF tt_t0; -ERROR: table has extra column "z" -ALTER TABLE tt6 OF tt_t0; -ERROR: typed tables cannot inherit -ALTER TABLE tt7 OF tt_t0; -CREATE TYPE tt_t1 AS (x int, y numeric(8,2)); -ALTER TABLE tt7 OF tt_t1; -- reassign an already-typed table -ALTER TABLE tt7 NOT OF; -\d tt7 - Table "public.tt7" - Column | Type | Collation | Nullable | Default ---------+--------------+-----------+----------+--------- - x | integer | | | - y | numeric(8,2) | | | - --- make sure we can drop a constraint on the parent but it remains on the child -CREATE TABLE test_drop_constr_parent (c text CHECK (c IS NOT NULL)); -CREATE TABLE test_drop_constr_child () INHERITS (test_drop_constr_parent); -ALTER TABLE ONLY test_drop_constr_parent DROP CONSTRAINT "test_drop_constr_parent_c_check"; --- should fail -INSERT INTO test_drop_constr_child (c) VALUES (NULL); -ERROR: new row for relation "test_drop_constr_child" violates check constraint "test_drop_constr_parent_c_check" -DETAIL: Failing row contains (null). -DROP TABLE test_drop_constr_parent CASCADE; -NOTICE: drop cascades to table test_drop_constr_child --- --- IF EXISTS test --- -ALTER TABLE IF EXISTS tt8 ADD COLUMN f int; -NOTICE: relation "tt8" does not exist, skipping -ALTER TABLE IF EXISTS tt8 ADD CONSTRAINT xxx PRIMARY KEY(f); -NOTICE: relation "tt8" does not exist, skipping -ALTER TABLE IF EXISTS tt8 ADD CHECK (f BETWEEN 0 AND 10); -NOTICE: relation "tt8" does not exist, skipping -ALTER TABLE IF EXISTS tt8 ALTER COLUMN f SET DEFAULT 0; -NOTICE: relation "tt8" does not exist, skipping -ALTER TABLE IF EXISTS tt8 RENAME COLUMN f TO f1; -NOTICE: relation "tt8" does not exist, skipping -ALTER TABLE IF EXISTS tt8 SET SCHEMA alter2; -NOTICE: relation "tt8" does not exist, skipping -CREATE TABLE tt8(a int); -CREATE SCHEMA alter2; -ALTER TABLE IF EXISTS tt8 ADD COLUMN f int; -ALTER TABLE IF EXISTS tt8 ADD CONSTRAINT xxx PRIMARY KEY(f); -ALTER TABLE IF EXISTS tt8 ADD CHECK (f BETWEEN 0 AND 10); -ALTER TABLE IF EXISTS tt8 ALTER COLUMN f SET DEFAULT 0; -ALTER TABLE IF EXISTS tt8 RENAME COLUMN f TO f1; -ALTER TABLE IF EXISTS tt8 SET SCHEMA alter2; -\d alter2.tt8 - Table "alter2.tt8" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - f1 | integer | | not null | 0 -Indexes: - "xxx" PRIMARY KEY, btree (f1) -Check constraints: - "tt8_f_check" CHECK (f1 >= 0 AND f1 <= 10) - -DROP TABLE alter2.tt8; -DROP SCHEMA alter2; --- --- Check conflicts between index and CHECK constraint names --- -CREATE TABLE tt9(c integer); -ALTER TABLE tt9 ADD CHECK(c > 1); -ALTER TABLE tt9 ADD CHECK(c > 2); -- picks nonconflicting name -ALTER TABLE tt9 ADD CONSTRAINT foo CHECK(c > 3); -ALTER TABLE tt9 ADD CONSTRAINT foo CHECK(c > 4); -- fail, dup name -ERROR: constraint "foo" for relation "tt9" already exists -ALTER TABLE tt9 ADD UNIQUE(c); -ALTER TABLE tt9 ADD UNIQUE(c); -- picks nonconflicting name -ALTER TABLE tt9 ADD CONSTRAINT tt9_c_key UNIQUE(c); -- fail, dup name -ERROR: relation "tt9_c_key" already exists -ALTER TABLE tt9 ADD CONSTRAINT foo UNIQUE(c); -- fail, dup name -ERROR: constraint "foo" for relation "tt9" already exists -ALTER TABLE tt9 ADD CONSTRAINT tt9_c_key CHECK(c > 5); -- fail, dup name -ERROR: constraint "tt9_c_key" for relation "tt9" already exists -ALTER TABLE tt9 ADD CONSTRAINT tt9_c_key2 CHECK(c > 6); -ALTER TABLE tt9 ADD UNIQUE(c); -- picks nonconflicting name -\d tt9 - Table "public.tt9" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c | integer | | | -Indexes: - "tt9_c_key" UNIQUE CONSTRAINT, btree (c) - "tt9_c_key1" UNIQUE CONSTRAINT, btree (c) - "tt9_c_key3" UNIQUE CONSTRAINT, btree (c) -Check constraints: - "foo" CHECK (c > 3) - "tt9_c_check" CHECK (c > 1) - "tt9_c_check1" CHECK (c > 2) - "tt9_c_key2" CHECK (c > 6) - -DROP TABLE tt9; --- Check that comments on constraints and indexes are not lost at ALTER TABLE. -CREATE TABLE comment_test ( - id int, - constraint id_notnull_constraint not null id, - positive_col int CHECK (positive_col > 0), - indexed_col int, - CONSTRAINT comment_test_pk PRIMARY KEY (id)); -CREATE INDEX comment_test_index ON comment_test(indexed_col); -COMMENT ON COLUMN comment_test.id IS 'Column ''id'' on comment_test'; -COMMENT ON INDEX comment_test_index IS 'Simple index on comment_test'; -COMMENT ON CONSTRAINT comment_test_positive_col_check ON comment_test IS 'CHECK constraint on comment_test.positive_col'; -COMMENT ON CONSTRAINT comment_test_pk ON comment_test IS 'PRIMARY KEY constraint of comment_test'; -COMMENT ON CONSTRAINT id_notnull_constraint ON comment_test IS 'NOT NULL constraint of comment_test'; -COMMENT ON INDEX comment_test_pk IS 'Index backing the PRIMARY KEY of comment_test'; -SELECT col_description('comment_test'::regclass, 1) as comment; - comment ------------------------------ - Column 'id' on comment_test -(1 row) - -SELECT indexrelid::regclass::text as index, obj_description(indexrelid, 'pg_class') as comment FROM pg_index where indrelid = 'comment_test'::regclass ORDER BY 1, 2; - index | comment ---------------------+----------------------------------------------- - comment_test_index | Simple index on comment_test - comment_test_pk | Index backing the PRIMARY KEY of comment_test -(2 rows) - -SELECT conname as constraint, obj_description(oid, 'pg_constraint') as comment FROM pg_constraint where conrelid = 'comment_test'::regclass ORDER BY 1, 2; - constraint | comment ----------------------------------+----------------------------------------------- - comment_test_pk | PRIMARY KEY constraint of comment_test - comment_test_positive_col_check | CHECK constraint on comment_test.positive_col - id_notnull_constraint | NOT NULL constraint of comment_test -(3 rows) - --- Change the datatype of all the columns. ALTER TABLE is optimized to not --- rebuild an index if the new data type is binary compatible with the old --- one. Check do a dummy ALTER TABLE that doesn't change the datatype --- first, to test that no-op codepath, and another one that does. -ALTER TABLE comment_test ALTER COLUMN indexed_col SET DATA TYPE int; -ALTER TABLE comment_test ALTER COLUMN indexed_col SET DATA TYPE text; -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE int; -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE text; -ALTER TABLE comment_test ALTER COLUMN positive_col SET DATA TYPE int; -ALTER TABLE comment_test ALTER COLUMN positive_col SET DATA TYPE bigint; --- Some error cases. -ALTER TABLE comment_test ALTER COLUMN xmin SET DATA TYPE x; -ERROR: cannot alter system column "xmin" -LINE 1: ALTER TABLE comment_test ALTER COLUMN xmin SET DATA TYPE x; - ^ -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE x; -ERROR: type "x" does not exist -LINE 1: ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE x; - ^ -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE int COLLATE "C"; -ERROR: collations are not supported by type integer -LINE 1: ...LE comment_test ALTER COLUMN id SET DATA TYPE int COLLATE "C... - ^ --- Check that the comments are intact. -SELECT col_description('comment_test'::regclass, 1) as comment; - comment ------------------------------ - Column 'id' on comment_test -(1 row) - -SELECT indexrelid::regclass::text as index, obj_description(indexrelid, 'pg_class') as comment FROM pg_index where indrelid = 'comment_test'::regclass ORDER BY 1, 2; - index | comment ---------------------+----------------------------------------------- - comment_test_index | Simple index on comment_test - comment_test_pk | Index backing the PRIMARY KEY of comment_test -(2 rows) - -SELECT conname as constraint, obj_description(oid, 'pg_constraint') as comment FROM pg_constraint where conrelid = 'comment_test'::regclass ORDER BY 1, 2; - constraint | comment ----------------------------------+----------------------------------------------- - comment_test_pk | PRIMARY KEY constraint of comment_test - comment_test_positive_col_check | CHECK constraint on comment_test.positive_col - id_notnull_constraint | NOT NULL constraint of comment_test -(3 rows) - --- Check compatibility for foreign keys and comments. This is done --- separately as rebuilding the column type of the parent leads --- to an error and would reduce the test scope. -CREATE TABLE comment_test_child ( - id text CONSTRAINT comment_test_child_fk REFERENCES comment_test); -CREATE INDEX comment_test_child_fk ON comment_test_child(id); -COMMENT ON COLUMN comment_test_child.id IS 'Column ''id'' on comment_test_child'; -COMMENT ON INDEX comment_test_child_fk IS 'Index backing the FOREIGN KEY of comment_test_child'; -COMMENT ON CONSTRAINT comment_test_child_fk ON comment_test_child IS 'FOREIGN KEY constraint of comment_test_child'; --- Change column type of parent -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE text; -ALTER TABLE comment_test ALTER COLUMN id SET DATA TYPE int USING id::integer; -ERROR: foreign key constraint "comment_test_child_fk" cannot be implemented -DETAIL: Key columns "id" of the referencing table and "id" of the referenced table are of incompatible types: text and integer. --- Comments should be intact -SELECT col_description('comment_test_child'::regclass, 1) as comment; - comment ------------------------------------ - Column 'id' on comment_test_child -(1 row) - -SELECT indexrelid::regclass::text as index, obj_description(indexrelid, 'pg_class') as comment FROM pg_index where indrelid = 'comment_test_child'::regclass ORDER BY 1, 2; - index | comment ------------------------+----------------------------------------------------- - comment_test_child_fk | Index backing the FOREIGN KEY of comment_test_child -(1 row) - -SELECT conname as constraint, obj_description(oid, 'pg_constraint') as comment FROM pg_constraint where conrelid = 'comment_test_child'::regclass ORDER BY 1, 2; - constraint | comment ------------------------+---------------------------------------------- - comment_test_child_fk | FOREIGN KEY constraint of comment_test_child -(1 row) - --- Check that we map relation oids to filenodes and back correctly. Only --- display bad mappings so the test output doesn't change all the time. A --- filenode function call can return NULL for a relation dropped concurrently --- with the call's surrounding query, so ignore a NULL mapped_oid for --- relations that no longer exist after all calls finish. -CREATE TEMP TABLE filenode_mapping AS -SELECT - oid, mapped_oid, reltablespace, relfilenode, relname -FROM pg_class, - pg_filenode_relation(reltablespace, pg_relation_filenode(oid)) AS mapped_oid -WHERE relkind IN ('r', 'i', 'S', 't', 'm') AND mapped_oid IS DISTINCT FROM oid; -SELECT m.* FROM filenode_mapping m LEFT JOIN pg_class c ON c.oid = m.oid -WHERE c.oid IS NOT NULL OR m.mapped_oid IS NOT NULL; - oid | mapped_oid | reltablespace | relfilenode | relname ------+------------+---------------+-------------+--------- -(0 rows) - --- Checks on creating and manipulation of user defined relations in --- pg_catalog. -SHOW allow_system_table_mods; - allow_system_table_mods -------------------------- - off -(1 row) - --- disallowed because of search_path issues with pg_dump -CREATE TABLE pg_catalog.new_system_table(); -ERROR: permission denied to create "pg_catalog.new_system_table" -DETAIL: System catalog modifications are currently disallowed. --- instead create in public first, move to catalog -CREATE TABLE new_system_table(id serial primary key, othercol text); -ALTER TABLE new_system_table SET SCHEMA pg_catalog; -ALTER TABLE new_system_table SET SCHEMA public; -ALTER TABLE new_system_table SET SCHEMA pg_catalog; --- will be ignored -- already there: -ALTER TABLE new_system_table SET SCHEMA pg_catalog; -ALTER TABLE new_system_table RENAME TO old_system_table; -CREATE INDEX old_system_table__othercol ON old_system_table (othercol); -INSERT INTO old_system_table(othercol) VALUES ('somedata'), ('otherdata'); -UPDATE old_system_table SET id = -id; -DELETE FROM old_system_table WHERE othercol = 'somedata'; -TRUNCATE old_system_table; -ALTER TABLE old_system_table DROP CONSTRAINT new_system_table_pkey; -ALTER TABLE old_system_table DROP COLUMN othercol; -DROP TABLE old_system_table; --- set logged -CREATE UNLOGGED TABLE unlogged1(f1 SERIAL PRIMARY KEY, f2 TEXT); -- has sequence, toast --- check relpersistence of an unlogged table -SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged1' -UNION ALL -SELECT r.relname || ' toast table', t.relkind, t.relpersistence FROM pg_class r JOIN pg_class t ON t.oid = r.reltoastrelid WHERE r.relname ~ '^unlogged1' -UNION ALL -SELECT r.relname || ' toast index', ri.relkind, ri.relpersistence FROM pg_class r join pg_class t ON t.oid = r.reltoastrelid JOIN pg_index i ON i.indrelid = t.oid JOIN pg_class ri ON ri.oid = i.indexrelid WHERE r.relname ~ '^unlogged1' -ORDER BY relname; - relname | relkind | relpersistence ------------------------+---------+---------------- - unlogged1 | r | u - unlogged1 toast index | i | u - unlogged1 toast table | t | u - unlogged1_f1_seq | S | u - unlogged1_pkey | i | u -(5 rows) - -CREATE UNLOGGED TABLE unlogged2(f1 SERIAL PRIMARY KEY, f2 INTEGER REFERENCES unlogged1); -- foreign key -CREATE UNLOGGED TABLE unlogged3(f1 SERIAL PRIMARY KEY, f2 INTEGER REFERENCES unlogged3); -- self-referencing foreign key -ALTER TABLE unlogged3 SET LOGGED; -- skip self-referencing foreign key -ALTER TABLE unlogged2 SET LOGGED; -- fails because a foreign key to an unlogged table exists -ERROR: could not change table "unlogged2" to logged because it references unlogged table "unlogged1" -ALTER TABLE unlogged1 SET LOGGED; --- check relpersistence of an unlogged table after changing to permanent -SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged1' -UNION ALL -SELECT r.relname || ' toast table', t.relkind, t.relpersistence FROM pg_class r JOIN pg_class t ON t.oid = r.reltoastrelid WHERE r.relname ~ '^unlogged1' -UNION ALL -SELECT r.relname || ' toast index', ri.relkind, ri.relpersistence FROM pg_class r join pg_class t ON t.oid = r.reltoastrelid JOIN pg_index i ON i.indrelid = t.oid JOIN pg_class ri ON ri.oid = i.indexrelid WHERE r.relname ~ '^unlogged1' -ORDER BY relname; - relname | relkind | relpersistence ------------------------+---------+---------------- - unlogged1 | r | p - unlogged1 toast index | i | p - unlogged1 toast table | t | p - unlogged1_f1_seq | S | p - unlogged1_pkey | i | p -(5 rows) - -ALTER TABLE unlogged1 SET LOGGED; -- silently do nothing -DROP TABLE unlogged3; -DROP TABLE unlogged2; -DROP TABLE unlogged1; --- set unlogged -CREATE TABLE logged1(f1 SERIAL PRIMARY KEY, f2 TEXT); -- has sequence, toast --- check relpersistence of a permanent table -SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^logged1' -UNION ALL -SELECT r.relname || ' toast table', t.relkind, t.relpersistence FROM pg_class r JOIN pg_class t ON t.oid = r.reltoastrelid WHERE r.relname ~ '^logged1' -UNION ALL -SELECT r.relname ||' toast index', ri.relkind, ri.relpersistence FROM pg_class r join pg_class t ON t.oid = r.reltoastrelid JOIN pg_index i ON i.indrelid = t.oid JOIN pg_class ri ON ri.oid = i.indexrelid WHERE r.relname ~ '^logged1' -ORDER BY relname; - relname | relkind | relpersistence ----------------------+---------+---------------- - logged1 | r | p - logged1 toast index | i | p - logged1 toast table | t | p - logged1_f1_seq | S | p - logged1_pkey | i | p -(5 rows) - -CREATE TABLE logged2(f1 SERIAL PRIMARY KEY, f2 INTEGER REFERENCES logged1); -- foreign key -CREATE TABLE logged3(f1 SERIAL PRIMARY KEY, f2 INTEGER REFERENCES logged3); -- self-referencing foreign key -ALTER TABLE logged1 SET UNLOGGED; -- fails because a foreign key from a permanent table exists -ERROR: could not change table "logged1" to unlogged because it references logged table "logged2" -ALTER TABLE logged3 SET UNLOGGED; -- skip self-referencing foreign key -ALTER TABLE logged2 SET UNLOGGED; -ALTER TABLE logged1 SET UNLOGGED; --- check relpersistence of a permanent table after changing to unlogged -SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^logged1' -UNION ALL -SELECT r.relname || ' toast table', t.relkind, t.relpersistence FROM pg_class r JOIN pg_class t ON t.oid = r.reltoastrelid WHERE r.relname ~ '^logged1' -UNION ALL -SELECT r.relname || ' toast index', ri.relkind, ri.relpersistence FROM pg_class r join pg_class t ON t.oid = r.reltoastrelid JOIN pg_index i ON i.indrelid = t.oid JOIN pg_class ri ON ri.oid = i.indexrelid WHERE r.relname ~ '^logged1' -ORDER BY relname; - relname | relkind | relpersistence ----------------------+---------+---------------- - logged1 | r | u - logged1 toast index | i | u - logged1 toast table | t | u - logged1_f1_seq | S | u - logged1_pkey | i | u -(5 rows) - -ALTER TABLE logged1 SET UNLOGGED; -- silently do nothing -DROP TABLE logged3; -DROP TABLE logged2; -DROP TABLE logged1; --- test ADD COLUMN IF NOT EXISTS -CREATE TABLE test_add_column(c1 integer); -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - -ALTER TABLE test_add_column - ADD COLUMN c2 integer; -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - -ALTER TABLE test_add_column - ADD COLUMN c2 integer; -- fail because c2 already exists -ERROR: column "c2" of relation "test_add_column" already exists -ALTER TABLE ONLY test_add_column - ADD COLUMN c2 integer; -- fail because c2 already exists -ERROR: column "c2" of relation "test_add_column" already exists -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists -NOTICE: column "c2" of relation "test_add_column" already exists, skipping -ALTER TABLE ONLY test_add_column - ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists -NOTICE: column "c2" of relation "test_add_column" already exists, skipping -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - -ALTER TABLE test_add_column - ADD COLUMN c2 integer, -- fail because c2 already exists - ADD COLUMN c3 integer primary key; -ERROR: column "c2" of relation "test_add_column" already exists -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c2 integer, -- skipping because c2 already exists - ADD COLUMN c3 integer primary key; -NOTICE: column "c2" of relation "test_add_column" already exists, skipping -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c2 integer, -- skipping because c2 already exists - ADD COLUMN IF NOT EXISTS c3 integer primary key; -- skipping because c3 already exists -NOTICE: column "c2" of relation "test_add_column" already exists, skipping -NOTICE: column "c3" of relation "test_add_column" already exists, skipping -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c2 integer, -- skipping because c2 already exists - ADD COLUMN IF NOT EXISTS c3 integer, -- skipping because c3 already exists - ADD COLUMN c4 integer REFERENCES test_add_column; -NOTICE: column "c2" of relation "test_add_column" already exists, skipping -NOTICE: column "c3" of relation "test_add_column" already exists, skipping -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | - c4 | integer | | | -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) -Foreign-key constraints: - "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) -Referenced by: - TABLE "test_add_column" CONSTRAINT "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c4 integer REFERENCES test_add_column; -NOTICE: column "c4" of relation "test_add_column" already exists, skipping -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | - c4 | integer | | | -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) -Foreign-key constraints: - "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) -Referenced by: - TABLE "test_add_column" CONSTRAINT "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c5 SERIAL CHECK (c5 > 8); -\d test_add_column - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------------------------------------------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | - c4 | integer | | | - c5 | integer | | not null | nextval('test_add_column_c5_seq'::regclass) -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) -Check constraints: - "test_add_column_c5_check" CHECK (c5 > 8) -Foreign-key constraints: - "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) -Referenced by: - TABLE "test_add_column" CONSTRAINT "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) - -ALTER TABLE test_add_column - ADD COLUMN IF NOT EXISTS c5 SERIAL CHECK (c5 > 10); -NOTICE: column "c5" of relation "test_add_column" already exists, skipping -\d test_add_column* - Table "public.test_add_column" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------------------------------------------- - c1 | integer | | | - c2 | integer | | | - c3 | integer | | not null | - c4 | integer | | | - c5 | integer | | not null | nextval('test_add_column_c5_seq'::regclass) -Indexes: - "test_add_column_pkey" PRIMARY KEY, btree (c3) -Check constraints: - "test_add_column_c5_check" CHECK (c5 > 8) -Foreign-key constraints: - "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) -Referenced by: - TABLE "test_add_column" CONSTRAINT "test_add_column_c4_fkey" FOREIGN KEY (c4) REFERENCES test_add_column(c3) - - Sequence "public.test_add_column_c5_seq" - Type | Start | Minimum | Maximum | Increment | Cycles? | Cache ----------+-------+---------+------------+-----------+---------+------- - integer | 1 | 1 | 2147483647 | 1 | no | 1 -Owned by: public.test_add_column.c5 - - Index "public.test_add_column_pkey" - Column | Type | Key? | Definition ---------+---------+------+------------ - c3 | integer | yes | c3 -primary key, btree, for table "public.test_add_column" - -DROP TABLE test_add_column; -\d test_add_column* --- assorted cases with multiple ALTER TABLE steps -CREATE TABLE ataddindex(f1 INT); -INSERT INTO ataddindex VALUES (42), (43); -CREATE UNIQUE INDEX ataddindexi0 ON ataddindex(f1); -ALTER TABLE ataddindex - ADD PRIMARY KEY USING INDEX ataddindexi0, - ALTER f1 TYPE BIGINT; -\d ataddindex - Table "public.ataddindex" - Column | Type | Collation | Nullable | Default ---------+--------+-----------+----------+--------- - f1 | bigint | | not null | -Indexes: - "ataddindexi0" PRIMARY KEY, btree (f1) - -DROP TABLE ataddindex; -CREATE TABLE ataddindex(f1 VARCHAR(10)); -INSERT INTO ataddindex(f1) VALUES ('foo'), ('a'); -ALTER TABLE ataddindex - ALTER f1 SET DATA TYPE TEXT, - ADD EXCLUDE ((f1 LIKE 'a') WITH =); -\d ataddindex - Table "public.ataddindex" - Column | Type | Collation | Nullable | Default ---------+------+-----------+----------+--------- - f1 | text | | | -Indexes: - "ataddindex_expr_excl" EXCLUDE USING btree ((f1 ~~ 'a'::text) WITH =) - -DROP TABLE ataddindex; -CREATE TABLE ataddindex(id int, ref_id int); -ALTER TABLE ataddindex - ADD PRIMARY KEY (id), - ADD FOREIGN KEY (ref_id) REFERENCES ataddindex; -\d ataddindex - Table "public.ataddindex" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - id | integer | | not null | - ref_id | integer | | | -Indexes: - "ataddindex_pkey" PRIMARY KEY, btree (id) -Foreign-key constraints: - "ataddindex_ref_id_fkey" FOREIGN KEY (ref_id) REFERENCES ataddindex(id) -Referenced by: - TABLE "ataddindex" CONSTRAINT "ataddindex_ref_id_fkey" FOREIGN KEY (ref_id) REFERENCES ataddindex(id) - -DROP TABLE ataddindex; -CREATE TABLE ataddindex(id int, ref_id int); -ALTER TABLE ataddindex - ADD UNIQUE (id), - ADD FOREIGN KEY (ref_id) REFERENCES ataddindex (id); -\d ataddindex - Table "public.ataddindex" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - id | integer | | | - ref_id | integer | | | -Indexes: - "ataddindex_id_key" UNIQUE CONSTRAINT, btree (id) -Foreign-key constraints: - "ataddindex_ref_id_fkey" FOREIGN KEY (ref_id) REFERENCES ataddindex(id) -Referenced by: - TABLE "ataddindex" CONSTRAINT "ataddindex_ref_id_fkey" FOREIGN KEY (ref_id) REFERENCES ataddindex(id) - -DROP TABLE ataddindex; -CREATE TABLE atnotnull1 (); -ALTER TABLE atnotnull1 - ADD COLUMN a INT, - ALTER a SET NOT NULL; -ALTER TABLE atnotnull1 - ADD COLUMN b INT, - ADD NOT NULL b; -ALTER TABLE atnotnull1 - ADD COLUMN c INT, - ADD PRIMARY KEY (c); -\d+ atnotnull1 - Table "public.atnotnull1" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - a | integer | | not null | | plain | | - b | integer | | not null | | plain | | - c | integer | | not null | | plain | | -Indexes: - "atnotnull1_pkey" PRIMARY KEY, btree (c) -Not-null constraints: - "atnotnull1_a_not_null" NOT NULL "a" - "atnotnull1_b_not_null" NOT NULL "b" - "atnotnull1_c_not_null" NOT NULL "c" - --- cannot drop column that is part of the partition key -CREATE TABLE partitioned ( - a int, - b int -) PARTITION BY RANGE (a, (a+b+1)); -ALTER TABLE partitioned DROP COLUMN a; -ERROR: cannot drop column "a" because it is part of the partition key of relation "partitioned" -ALTER TABLE partitioned ALTER COLUMN a TYPE char(5); -ERROR: cannot alter column "a" because it is part of the partition key of relation "partitioned" -LINE 1: ALTER TABLE partitioned ALTER COLUMN a TYPE char(5); - ^ -ALTER TABLE partitioned DROP COLUMN b; -ERROR: cannot drop column "b" because it is part of the partition key of relation "partitioned" -ALTER TABLE partitioned ALTER COLUMN b TYPE char(5); -ERROR: cannot alter column "b" because it is part of the partition key of relation "partitioned" -LINE 1: ALTER TABLE partitioned ALTER COLUMN b TYPE char(5); - ^ --- specifying storage parameters for partitioned tables is not supported -ALTER TABLE partitioned SET (fillfactor=100); -ERROR: cannot specify storage parameters for a partitioned table -HINT: Specify storage parameters for its leaf partitions instead. --- partitioned table cannot participate in regular inheritance -CREATE TABLE nonpartitioned ( - a int, - b int -); -ALTER TABLE partitioned INHERIT nonpartitioned; -ERROR: cannot change inheritance of partitioned table -ALTER TABLE nonpartitioned INHERIT partitioned; -ERROR: cannot inherit from partitioned table "partitioned" --- cannot add NO INHERIT constraint to partitioned tables -ALTER TABLE partitioned ADD CONSTRAINT chk_a CHECK (a > 0) NO INHERIT; -ERROR: cannot add NO INHERIT constraint to partitioned table "partitioned" -DROP TABLE partitioned, nonpartitioned; --- --- ATTACH PARTITION --- --- check that target table is partitioned -CREATE TABLE unparted ( - a int -); -CREATE TABLE fail_part (like unparted); -ALTER TABLE unparted ATTACH PARTITION fail_part FOR VALUES IN ('a'); -ERROR: ALTER action ATTACH PARTITION cannot be performed on relation "unparted" -DETAIL: This operation is not supported for tables. -DROP TABLE unparted, fail_part; --- check that partition bound is compatible -CREATE TABLE list_parted ( - a int NOT NULL, - b char(2) COLLATE "C", - CONSTRAINT check_a CHECK (a > 0) -) PARTITION BY LIST (a); -CREATE TABLE fail_part (LIKE list_parted); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES FROM (1) TO (10); -ERROR: invalid bound specification for a list partition -LINE 1: ...list_parted ATTACH PARTITION fail_part FOR VALUES FROM (1) T... - ^ -DROP TABLE fail_part; --- check that the table being attached exists -ALTER TABLE list_parted ATTACH PARTITION nonexistent FOR VALUES IN (1); -ERROR: relation "nonexistent" does not exist --- check ownership of the source table -CREATE ROLE regress_test_me; -CREATE ROLE regress_test_not_me; -CREATE TABLE not_owned_by_me (LIKE list_parted); -ALTER TABLE not_owned_by_me OWNER TO regress_test_not_me; -SET SESSION AUTHORIZATION regress_test_me; -CREATE TABLE owned_by_me ( - a int -) PARTITION BY LIST (a); -ALTER TABLE owned_by_me ATTACH PARTITION not_owned_by_me FOR VALUES IN (1); -ERROR: must be owner of table not_owned_by_me -RESET SESSION AUTHORIZATION; -DROP TABLE owned_by_me, not_owned_by_me; -DROP ROLE regress_test_not_me; -DROP ROLE regress_test_me; --- check that the table being attached is not part of regular inheritance -CREATE TABLE parent (LIKE list_parted); -CREATE TABLE child () INHERITS (parent); -ALTER TABLE list_parted ATTACH PARTITION child FOR VALUES IN (1); -ERROR: cannot attach inheritance child as partition -ALTER TABLE list_parted ATTACH PARTITION parent FOR VALUES IN (1); -ERROR: cannot attach inheritance parent as partition -DROP TABLE child; --- now it should work, with a little tweak -ALTER TABLE parent ADD CONSTRAINT check_a CHECK (a > 0); -ALTER TABLE list_parted ATTACH PARTITION parent FOR VALUES IN (1); --- test insert/update, per bug #18550 -INSERT INTO parent VALUES (1); -UPDATE parent SET a = 2 WHERE a = 1; -ERROR: new row for relation "parent" violates partition constraint -DETAIL: Failing row contains (2, null). -DROP TABLE parent CASCADE; --- check any TEMP-ness -CREATE TEMP TABLE temp_parted (a int) PARTITION BY LIST (a); -CREATE TABLE perm_part (a int); -ALTER TABLE temp_parted ATTACH PARTITION perm_part FOR VALUES IN (1); -ERROR: cannot attach a permanent relation as partition of temporary relation "temp_parted" -DROP TABLE temp_parted, perm_part; --- check that the table being attached is not a typed table -CREATE TYPE mytype AS (a int); -CREATE TABLE fail_part OF mytype; -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: cannot attach a typed table as partition -DROP TYPE mytype CASCADE; -NOTICE: drop cascades to table fail_part --- check that the table being attached has only columns present in the parent -CREATE TABLE fail_part (like list_parted, c int); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: table "fail_part" contains column "c" not found in parent "list_parted" -DETAIL: The new partition may contain only the columns present in parent. -DROP TABLE fail_part; --- check that the table being attached has every column of the parent -CREATE TABLE fail_part (a int NOT NULL); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: child table is missing column "b" -DROP TABLE fail_part; --- check that columns match in type, collation and NOT NULL status -CREATE TABLE fail_part ( - b char(3), - a int NOT NULL -); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: child table "fail_part" has different type for column "b" -ALTER TABLE fail_part ALTER b TYPE char (2) COLLATE "POSIX"; -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: child table "fail_part" has different collation for column "b" -DROP TABLE fail_part; --- check that the table being attached has all constraints of the parent -CREATE TABLE fail_part ( - b char(2) COLLATE "C", - a int NOT NULL -); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: child table is missing constraint "check_a" --- check that the constraint matches in definition with parent's constraint -ALTER TABLE fail_part ADD CONSTRAINT check_a CHECK (a >= 0); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: child table "fail_part" has different definition for check constraint "check_a" -DROP TABLE fail_part; --- check the attributes and constraints after partition is attached -CREATE TABLE part_1 ( - a int NOT NULL, - b char(2) COLLATE "C", - CONSTRAINT check_a CHECK (a > 0) -); -ALTER TABLE list_parted ATTACH PARTITION part_1 FOR VALUES IN (1); --- attislocal and conislocal are always false for merged attributes and constraints respectively. -SELECT attislocal, attinhcount FROM pg_attribute WHERE attrelid = 'part_1'::regclass AND attnum > 0; - attislocal | attinhcount -------------+------------- - f | 1 - f | 1 -(2 rows) - -SELECT conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_1'::regclass AND conname = 'check_a'; - conislocal | coninhcount -------------+------------- - f | 1 -(1 row) - --- check that NOT NULL NO INHERIT cannot be merged to a normal NOT NULL -CREATE TABLE part_fail (a int NOT NULL NO INHERIT, - b char(2) COLLATE "C", - CONSTRAINT check_a CHECK (a > 0) -); -ALTER TABLE list_parted ATTACH PARTITION part_fail FOR VALUES IN (2); -ERROR: constraint "part_fail_a_not_null" conflicts with non-inherited constraint on child table "part_fail" -DROP TABLE part_fail; --- check that the new partition won't overlap with an existing partition -CREATE TABLE fail_part (LIKE part_1 INCLUDING CONSTRAINTS); -ALTER TABLE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); -ERROR: partition "fail_part" would overlap partition "part_1" -LINE 1: ...LE list_parted ATTACH PARTITION fail_part FOR VALUES IN (1); - ^ -DROP TABLE fail_part; --- check that an existing table can be attached as a default partition -CREATE TABLE def_part (LIKE list_parted INCLUDING CONSTRAINTS); -ALTER TABLE list_parted ATTACH PARTITION def_part DEFAULT; --- check attaching default partition fails if a default partition already --- exists -CREATE TABLE fail_def_part (LIKE part_1 INCLUDING CONSTRAINTS); -ALTER TABLE list_parted ATTACH PARTITION fail_def_part DEFAULT; -ERROR: partition "fail_def_part" conflicts with existing default partition "def_part" -LINE 1: ...ER TABLE list_parted ATTACH PARTITION fail_def_part DEFAULT; - ^ --- check validation when attaching list partitions -CREATE TABLE list_parted2 ( - a int, - b char -) PARTITION BY LIST (a); --- check that violating rows are correctly reported -CREATE TABLE part_2 (LIKE list_parted2); -INSERT INTO part_2 VALUES (3, 'a'); -ALTER TABLE list_parted2 ATTACH PARTITION part_2 FOR VALUES IN (2); -ERROR: partition constraint of relation "part_2" is violated by some row --- should be ok after deleting the bad row -DELETE FROM part_2; -ALTER TABLE list_parted2 ATTACH PARTITION part_2 FOR VALUES IN (2); --- check partition cannot be attached if default has some row for its values -CREATE TABLE list_parted2_def PARTITION OF list_parted2 DEFAULT; -INSERT INTO list_parted2_def VALUES (11, 'z'); -CREATE TABLE part_3 (LIKE list_parted2); -ALTER TABLE list_parted2 ATTACH PARTITION part_3 FOR VALUES IN (11); -ERROR: updated partition constraint for default partition "list_parted2_def" would be violated by some row --- should be ok after deleting the bad row -DELETE FROM list_parted2_def WHERE a = 11; -ALTER TABLE list_parted2 ATTACH PARTITION part_3 FOR VALUES IN (11); --- adding constraints that describe the desired partition constraint --- (or more restrictive) will help skip the validation scan -CREATE TABLE part_3_4 ( - LIKE list_parted2, - CONSTRAINT check_a CHECK (a IN (3)) -); --- however, if a list partition does not accept nulls, there should be --- an explicit NOT NULL constraint on the partition key column for the --- validation scan to be skipped; -ALTER TABLE list_parted2 ATTACH PARTITION part_3_4 FOR VALUES IN (3, 4); --- adding a NOT NULL constraint will cause the scan to be skipped -ALTER TABLE list_parted2 DETACH PARTITION part_3_4; -ALTER TABLE part_3_4 ALTER a SET NOT NULL; -ALTER TABLE list_parted2 ATTACH PARTITION part_3_4 FOR VALUES IN (3, 4); --- check if default partition scan skipped -ALTER TABLE list_parted2_def ADD CONSTRAINT check_a CHECK (a IN (5, 6)); -CREATE TABLE part_55_66 PARTITION OF list_parted2 FOR VALUES IN (55, 66); --- check validation when attaching range partitions -CREATE TABLE range_parted ( - a int, - b int -) PARTITION BY RANGE (a, b); --- check that violating rows are correctly reported -CREATE TABLE part1 ( - a int NOT NULL CHECK (a = 1), - b int NOT NULL CHECK (b >= 1 AND b <= 10) -); -INSERT INTO part1 VALUES (1, 10); --- Remember the TO bound is exclusive -ALTER TABLE range_parted ATTACH PARTITION part1 FOR VALUES FROM (1, 1) TO (1, 10); -ERROR: partition constraint of relation "part1" is violated by some row --- should be ok after deleting the bad row -DELETE FROM part1; -ALTER TABLE range_parted ATTACH PARTITION part1 FOR VALUES FROM (1, 1) TO (1, 10); --- adding constraints that describe the desired partition constraint --- (or more restrictive) will help skip the validation scan -CREATE TABLE part2 ( - a int NOT NULL CHECK (a = 1), - b int NOT NULL CHECK (b >= 10 AND b < 18) -); -ALTER TABLE range_parted ATTACH PARTITION part2 FOR VALUES FROM (1, 10) TO (1, 20); --- Create default partition -CREATE TABLE partr_def1 PARTITION OF range_parted DEFAULT; --- Only one default partition is allowed, hence, following should give error -CREATE TABLE partr_def2 (LIKE part1 INCLUDING CONSTRAINTS); -ALTER TABLE range_parted ATTACH PARTITION partr_def2 DEFAULT; -ERROR: partition "partr_def2" conflicts with existing default partition "partr_def1" -LINE 1: ...LTER TABLE range_parted ATTACH PARTITION partr_def2 DEFAULT; - ^ --- Overlapping partitions cannot be attached, hence, following should give error -INSERT INTO partr_def1 VALUES (2, 10); -CREATE TABLE part3 (LIKE range_parted); -ALTER TABLE range_parted ATTACH partition part3 FOR VALUES FROM (2, 10) TO (2, 20); -ERROR: updated partition constraint for default partition "partr_def1" would be violated by some row --- Attaching partitions should be successful when there are no overlapping rows -ALTER TABLE range_parted ATTACH partition part3 FOR VALUES FROM (3, 10) TO (3, 20); --- check that leaf partitions are scanned when attaching a partitioned --- table -CREATE TABLE part_5 ( - LIKE list_parted2 -) PARTITION BY LIST (b); --- check that violating rows are correctly reported -CREATE TABLE part_5_a PARTITION OF part_5 FOR VALUES IN ('a'); -INSERT INTO part_5_a (a, b) VALUES (6, 'a'); -ALTER TABLE list_parted2 ATTACH PARTITION part_5 FOR VALUES IN (5); -ERROR: partition constraint of relation "part_5_a" is violated by some row --- delete the faulting row and also add a constraint to skip the scan -DELETE FROM part_5_a WHERE a NOT IN (3); -ALTER TABLE part_5 ADD CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 5); -ALTER TABLE list_parted2 ATTACH PARTITION part_5 FOR VALUES IN (5); -ALTER TABLE list_parted2 DETACH PARTITION part_5; -ALTER TABLE part_5 DROP CONSTRAINT check_a; --- scan should again be skipped, even though NOT NULL is now a column property -ALTER TABLE part_5 ADD CONSTRAINT check_a CHECK (a IN (5)), ALTER a SET NOT NULL; -ALTER TABLE list_parted2 ATTACH PARTITION part_5 FOR VALUES IN (5); --- Check the case where attnos of the partitioning columns in the table being --- attached differs from the parent. It should not affect the constraint- --- checking logic that allows to skip the scan. -CREATE TABLE part_6 ( - c int, - LIKE list_parted2, - CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 6) -); -ALTER TABLE part_6 DROP c; -ALTER TABLE list_parted2 ATTACH PARTITION part_6 FOR VALUES IN (6); --- Similar to above, but the table being attached is a partitioned table --- whose partition has still different attnos for the root partitioning --- columns. -CREATE TABLE part_7 ( - LIKE list_parted2, - CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 7) -) PARTITION BY LIST (b); -CREATE TABLE part_7_a_null ( - c int, - d int, - e int, - LIKE list_parted2, -- 'a' will have attnum = 4 - CONSTRAINT check_b CHECK (b IS NULL OR b = 'a'), - CONSTRAINT check_a CHECK (a IS NOT NULL AND a = 7) -); -ALTER TABLE part_7_a_null DROP c, DROP d, DROP e; -ALTER TABLE part_7 ATTACH PARTITION part_7_a_null FOR VALUES IN ('a', null); -ALTER TABLE list_parted2 ATTACH PARTITION part_7 FOR VALUES IN (7); --- Same example, but check this time that the constraint correctly detects --- violating rows -ALTER TABLE list_parted2 DETACH PARTITION part_7; -ALTER TABLE part_7 DROP CONSTRAINT check_a; -- thusly, scan won't be skipped -INSERT INTO part_7 (a, b) VALUES (8, null), (9, 'a'); -SELECT tableoid::regclass, a, b FROM part_7 order by a; - tableoid | a | b ----------------+---+--- - part_7_a_null | 8 | - part_7_a_null | 9 | a -(2 rows) - -ALTER TABLE list_parted2 ATTACH PARTITION part_7 FOR VALUES IN (7); -ERROR: partition constraint of relation "part_7_a_null" is violated by some row --- check that leaf partitions of default partition are scanned when --- attaching a partitioned table. -ALTER TABLE part_5 DROP CONSTRAINT check_a; -CREATE TABLE part5_def PARTITION OF part_5 DEFAULT PARTITION BY LIST(a); -CREATE TABLE part5_def_p1 PARTITION OF part5_def FOR VALUES IN (5); -INSERT INTO part5_def_p1 VALUES (5, 'y'); -CREATE TABLE part5_p1 (LIKE part_5); -ALTER TABLE part_5 ATTACH PARTITION part5_p1 FOR VALUES IN ('y'); -ERROR: updated partition constraint for default partition "part5_def_p1" would be violated by some row --- should be ok after deleting the bad row -DELETE FROM part5_def_p1 WHERE b = 'y'; -ALTER TABLE part_5 ATTACH PARTITION part5_p1 FOR VALUES IN ('y'); --- check that the table being attached is not already a partition -ALTER TABLE list_parted2 ATTACH PARTITION part_2 FOR VALUES IN (2); -ERROR: "part_2" is already a partition --- check that circular inheritance is not allowed -ALTER TABLE part_5 ATTACH PARTITION list_parted2 FOR VALUES IN ('b'); -ERROR: circular inheritance not allowed -DETAIL: "part_5" is already a child of "list_parted2". -ALTER TABLE list_parted2 ATTACH PARTITION list_parted2 FOR VALUES IN (0); -ERROR: circular inheritance not allowed -DETAIL: "list_parted2" is already a child of "list_parted2". --- If a partitioned table being created or an existing table being attached --- as a partition does not have a constraint that would allow validation scan --- to be skipped, but an individual partition does, then the partition's --- validation scan is skipped. -CREATE TABLE quuux (a int, b text) PARTITION BY LIST (a); -CREATE TABLE quuux_default PARTITION OF quuux DEFAULT PARTITION BY LIST (b); -CREATE TABLE quuux_default1 PARTITION OF quuux_default ( - CONSTRAINT check_1 CHECK (a IS NOT NULL AND a = 1) -) FOR VALUES IN ('b'); -CREATE TABLE quuux1 (a int, b text); -ALTER TABLE quuux ATTACH PARTITION quuux1 FOR VALUES IN (1); -- validate! -CREATE TABLE quuux2 (a int, b text); -ALTER TABLE quuux ATTACH PARTITION quuux2 FOR VALUES IN (2); -- skip validation -DROP TABLE quuux1, quuux2; --- should validate for quuux1, but not for quuux2 -CREATE TABLE quuux1 PARTITION OF quuux FOR VALUES IN (1); -CREATE TABLE quuux2 PARTITION OF quuux FOR VALUES IN (2); -DROP TABLE quuux; --- check validation when attaching hash partitions --- Use hand-rolled hash functions and operator class to get predictable result --- on different machines. part_test_int4_ops is defined in test_setup.sql. --- check that the new partition won't overlap with an existing partition -CREATE TABLE hash_parted ( - a int, - b int -) PARTITION BY HASH (a part_test_int4_ops); -CREATE TABLE hpart_1 PARTITION OF hash_parted FOR VALUES WITH (MODULUS 4, REMAINDER 0); -CREATE TABLE fail_part (LIKE hpart_1); -ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 8, REMAINDER 4); -ERROR: partition "fail_part" would overlap partition "hpart_1" -LINE 1: ...hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODU... - ^ -ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 8, REMAINDER 0); -ERROR: partition "fail_part" would overlap partition "hpart_1" -LINE 1: ...hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODU... - ^ -DROP TABLE fail_part; --- check validation when attaching hash partitions --- check that violating rows are correctly reported -CREATE TABLE hpart_2 (LIKE hash_parted); -INSERT INTO hpart_2 VALUES (3, 0); -ALTER TABLE hash_parted ATTACH PARTITION hpart_2 FOR VALUES WITH (MODULUS 4, REMAINDER 1); -ERROR: partition constraint of relation "hpart_2" is violated by some row --- should be ok after deleting the bad row -DELETE FROM hpart_2; -ALTER TABLE hash_parted ATTACH PARTITION hpart_2 FOR VALUES WITH (MODULUS 4, REMAINDER 1); --- check that leaf partitions are scanned when attaching a partitioned --- table -CREATE TABLE hpart_5 ( - LIKE hash_parted -) PARTITION BY LIST (b); --- check that violating rows are correctly reported -CREATE TABLE hpart_5_a PARTITION OF hpart_5 FOR VALUES IN ('1', '2', '3'); -INSERT INTO hpart_5_a (a, b) VALUES (7, 1); -ALTER TABLE hash_parted ATTACH PARTITION hpart_5 FOR VALUES WITH (MODULUS 4, REMAINDER 2); -ERROR: partition constraint of relation "hpart_5_a" is violated by some row --- should be ok after deleting the bad row -DELETE FROM hpart_5_a; -ALTER TABLE hash_parted ATTACH PARTITION hpart_5 FOR VALUES WITH (MODULUS 4, REMAINDER 2); --- check that the table being attach is with valid modulus and remainder value -CREATE TABLE fail_part(LIKE hash_parted); -ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 0, REMAINDER 1); -ERROR: modulus for hash partition must be an integer value greater than zero -ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 8, REMAINDER 8); -ERROR: remainder for hash partition must be less than modulus -ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 3, REMAINDER 2); -ERROR: every hash partition modulus must be a factor of the next larger modulus -DETAIL: The new modulus 3 is not a factor of 4, the modulus of existing partition "hpart_1". -DROP TABLE fail_part; --- --- DETACH PARTITION --- --- check that the table is partitioned at all -CREATE TABLE regular_table (a int); -ALTER TABLE regular_table DETACH PARTITION any_name; -ERROR: ALTER action DETACH PARTITION cannot be performed on relation "regular_table" -DETAIL: This operation is not supported for tables. -ALTER TABLE regular_table DETACH PARTITION any_name CONCURRENTLY; -ERROR: ALTER action DETACH PARTITION cannot be performed on relation "regular_table" -DETAIL: This operation is not supported for tables. -ALTER TABLE regular_table DETACH PARTITION any_name FINALIZE; -ERROR: ALTER action DETACH PARTITION ... FINALIZE cannot be performed on relation "regular_table" -DETAIL: This operation is not supported for tables. -DROP TABLE regular_table; --- check that the partition being detached exists at all -ALTER TABLE list_parted2 DETACH PARTITION part_4; -ERROR: relation "part_4" does not exist -ALTER TABLE hash_parted DETACH PARTITION hpart_4; -ERROR: relation "hpart_4" does not exist --- check that the partition being detached is actually a partition of the parent -CREATE TABLE not_a_part (a int); -ALTER TABLE list_parted2 DETACH PARTITION not_a_part; -ERROR: relation "not_a_part" is not a partition of relation "list_parted2" -ALTER TABLE list_parted2 DETACH PARTITION part_1; -ERROR: relation "part_1" is not a partition of relation "list_parted2" -ALTER TABLE hash_parted DETACH PARTITION not_a_part; -ERROR: relation "not_a_part" is not a partition of relation "hash_parted" -DROP TABLE not_a_part; --- check that, after being detached, attinhcount/coninhcount is dropped to 0 and --- attislocal/conislocal is set to true -ALTER TABLE list_parted2 DETACH PARTITION part_3_4; -SELECT attinhcount, attislocal FROM pg_attribute WHERE attrelid = 'part_3_4'::regclass AND attnum > 0; - attinhcount | attislocal --------------+------------ - 0 | t - 0 | t -(2 rows) - -SELECT coninhcount, conislocal FROM pg_constraint WHERE conrelid = 'part_3_4'::regclass AND conname = 'check_a'; - coninhcount | conislocal --------------+------------ - 0 | t -(1 row) - -DROP TABLE part_3_4; --- check that a detached partition is not dropped on dropping a partitioned table -CREATE TABLE range_parted2 ( - a int -) PARTITION BY RANGE(a); -CREATE TABLE part_rp PARTITION OF range_parted2 FOR VALUES FROM (0) to (100); -ALTER TABLE range_parted2 DETACH PARTITION part_rp; -DROP TABLE range_parted2; -SELECT * from part_rp; - a ---- -(0 rows) - -DROP TABLE part_rp; --- concurrent detach -CREATE TABLE range_parted2 ( - a int -) PARTITION BY RANGE(a); -CREATE TABLE part_rp PARTITION OF range_parted2 FOR VALUES FROM (0) to (100); -BEGIN; --- doesn't work in a partition block -ALTER TABLE range_parted2 DETACH PARTITION part_rp CONCURRENTLY; -ERROR: ALTER TABLE ... DETACH CONCURRENTLY cannot run inside a transaction block -COMMIT; -CREATE TABLE part_rpd PARTITION OF range_parted2 DEFAULT; --- doesn't work if there's a default partition -ALTER TABLE range_parted2 DETACH PARTITION part_rp CONCURRENTLY; -ERROR: cannot detach partitions concurrently when a default partition exists --- doesn't work for the default partition -ALTER TABLE range_parted2 DETACH PARTITION part_rpd CONCURRENTLY; -ERROR: cannot detach partitions concurrently when a default partition exists -DROP TABLE part_rpd; --- works fine -ALTER TABLE range_parted2 DETACH PARTITION part_rp CONCURRENTLY; -\d+ range_parted2 - Partitioned table "public.range_parted2" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - a | integer | | | | plain | | -Partition key: RANGE (a) -Number of partitions: 0 - --- constraint should be created -\d part_rp - Table "public.part_rp" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Check constraints: - "part_rp_a_check" CHECK (a IS NOT NULL AND a >= 0 AND a < 100) - -CREATE TABLE part_rp100 PARTITION OF range_parted2 (CHECK (a>=123 AND a<133 AND a IS NOT NULL)) FOR VALUES FROM (100) to (200); -ALTER TABLE range_parted2 DETACH PARTITION part_rp100 CONCURRENTLY; --- redundant constraint should not be created -\d part_rp100 - Table "public.part_rp100" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Check constraints: - "part_rp100_a_check" CHECK (a >= 123 AND a < 133 AND a IS NOT NULL) - -DROP TABLE range_parted2; --- Check ALTER TABLE commands for partitioned tables and partitions --- cannot add/drop column to/from *only* the parent -ALTER TABLE ONLY list_parted2 ADD COLUMN c int; -ERROR: column must be added to child tables too -ALTER TABLE ONLY list_parted2 DROP COLUMN b; -ERROR: cannot drop column from only the partitioned table when partitions exist -HINT: Do not specify the ONLY keyword. --- cannot add a column to partition or drop an inherited one -ALTER TABLE part_2 ADD COLUMN c text; -ERROR: cannot add column to a partition -ALTER TABLE part_2 DROP COLUMN b; -ERROR: cannot drop inherited column "b" --- Nor rename, alter type -ALTER TABLE part_2 RENAME COLUMN b to c; -ERROR: cannot rename inherited column "b" -ALTER TABLE part_2 ALTER COLUMN b TYPE text; -ERROR: cannot alter inherited column "b" -LINE 1: ALTER TABLE part_2 ALTER COLUMN b TYPE text; - ^ --- cannot add NOT NULL or check constraints to *only* the parent, when --- partitions exist -ALTER TABLE ONLY list_parted2 ALTER b SET NOT NULL; -ERROR: constraint must be added to child tables too -HINT: Do not specify the ONLY keyword. -ALTER TABLE ONLY list_parted2 ADD CONSTRAINT check_b CHECK (b <> 'zz'); -ERROR: constraint must be added to child tables too --- dropping them is ok though -ALTER TABLE list_parted2 ALTER b SET NOT NULL; -ALTER TABLE ONLY list_parted2 ALTER b DROP NOT NULL; -ALTER TABLE list_parted2 ADD CONSTRAINT check_b CHECK (b <> 'zz'); -ALTER TABLE ONLY list_parted2 DROP CONSTRAINT check_b; --- ... and the partitions should still have both -\d+ part_2 - Table "public.part_2" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+--------------+-----------+----------+---------+----------+--------------+------------- - a | integer | | | | plain | | - b | character(1) | | not null | | extended | | -Partition of: list_parted2 FOR VALUES IN (2) -Partition constraint: ((a IS NOT NULL) AND (a = 2)) -Check constraints: - "check_b" CHECK (b <> 'zz'::bpchar) -Not-null constraints: - "list_parted2_b_not_null" NOT NULL "b" - --- It's alright though, if no partitions are yet created -CREATE TABLE parted_no_parts (a int) PARTITION BY LIST (a); -ALTER TABLE ONLY parted_no_parts ALTER a SET NOT NULL; -ALTER TABLE ONLY parted_no_parts ADD CONSTRAINT check_a CHECK (a > 0); -DROP TABLE parted_no_parts; --- cannot drop inherited NOT NULL or check constraints from partition -ALTER TABLE list_parted2 ALTER b SET NOT NULL, ADD CONSTRAINT check_a2 CHECK (a > 0); -ALTER TABLE part_2 ALTER b DROP NOT NULL; -ERROR: column "b" is marked NOT NULL in parent table -ALTER TABLE part_2 DROP CONSTRAINT check_a2; -ERROR: cannot drop inherited constraint "check_a2" of relation "part_2" --- can't drop NOT NULL from under an invalid PK -CREATE TABLE list_parted3 (a int NOT NULL) PARTITION BY LIST (a); -CREATE TABLE list_parted3_1 PARTITION OF list_parted3 FOR VALUES IN (1); -ALTER TABLE ONLY list_parted3 ADD PRIMARY KEY (a); -ALTER TABLE ONLY list_parted3 DROP CONSTRAINT list_parted3_a_not_null; -ERROR: column "a" is in a primary key --- Doesn't make sense to add NO INHERIT constraints on partitioned tables -ALTER TABLE list_parted2 add constraint check_b2 check (b <> 'zz') NO INHERIT; -ERROR: cannot add NO INHERIT constraint to partitioned table "list_parted2" --- check that a partition cannot participate in regular inheritance -CREATE TABLE inh_test () INHERITS (part_2); -ERROR: cannot inherit from partition "part_2" -CREATE TABLE inh_test (LIKE part_2); -ALTER TABLE inh_test INHERIT part_2; -ERROR: cannot inherit from a partition -ALTER TABLE part_2 INHERIT inh_test; -ERROR: cannot change inheritance of a partition --- cannot drop or alter type of partition key columns of lower level --- partitioned tables; for example, part_5, which is list_parted2's --- partition, is partitioned on b; -ALTER TABLE list_parted2 DROP COLUMN b; -ERROR: cannot drop column "b" because it is part of the partition key of relation "part_5" -ALTER TABLE list_parted2 ALTER COLUMN b TYPE text; -ERROR: cannot alter column "b" because it is part of the partition key of relation "part_5" -LINE 1: ALTER TABLE list_parted2 ALTER COLUMN b TYPE text; - ^ --- dropping non-partition key columns should be allowed on the parent table. -ALTER TABLE list_parted DROP COLUMN b; -SELECT * FROM list_parted; - a ---- -(0 rows) - --- cleanup -DROP TABLE list_parted, list_parted2, range_parted, list_parted3; -DROP TABLE fail_def_part; -DROP TABLE hash_parted; --- more tests for certain multi-level partitioning scenarios -create table p (a int, b int) partition by range (a, b); -create table p1 (b int, a int not null) partition by range (b); -create table p11 (like p1); -alter table p11 drop a; -alter table p11 add a int; -alter table p11 drop a; -alter table p11 add a int not null; --- attnum for key attribute 'a' is different in p, p1, and p11 -select attrelid::regclass, attname, attnum -from pg_attribute -where attname = 'a' - and (attrelid = 'p'::regclass - or attrelid = 'p1'::regclass - or attrelid = 'p11'::regclass) -order by attrelid::regclass::text; - attrelid | attname | attnum -----------+---------+-------- - p | a | 1 - p1 | a | 2 - p11 | a | 4 -(3 rows) - -alter table p1 attach partition p11 for values from (2) to (5); -insert into p1 (a, b) values (2, 3); --- check that partition validation scan correctly detects violating rows -alter table p attach partition p1 for values from (1, 2) to (1, 10); -ERROR: partition constraint of relation "p11" is violated by some row --- cleanup -drop table p; -drop table p1; --- validate constraint on partitioned tables should only scan leaf partitions -create table parted_validate_test (a int) partition by list (a); -create table parted_validate_test_1 partition of parted_validate_test for values in (0, 1); -alter table parted_validate_test add constraint parted_validate_test_chka check (a > 0) not valid; -alter table parted_validate_test validate constraint parted_validate_test_chka; -drop table parted_validate_test; --- test alter column options -CREATE TABLE attmp(i integer); -INSERT INTO attmp VALUES (1); -ALTER TABLE attmp ALTER COLUMN i SET (n_distinct = 1, n_distinct_inherited = 2); -ALTER TABLE attmp ALTER COLUMN i RESET (n_distinct_inherited); -ANALYZE attmp; -DROP TABLE attmp; -DROP USER regress_alter_table_user1; --- check that violating rows are correctly reported when attaching as the --- default partition -create table defpart_attach_test (a int) partition by list (a); -create table defpart_attach_test1 partition of defpart_attach_test for values in (1); -create table defpart_attach_test_d (b int, a int); -alter table defpart_attach_test_d drop b; -insert into defpart_attach_test_d values (1), (2); --- error because its constraint as the default partition would be violated --- by the row containing 1 -alter table defpart_attach_test attach partition defpart_attach_test_d default; -ERROR: partition constraint of relation "defpart_attach_test_d" is violated by some row -delete from defpart_attach_test_d where a = 1; -alter table defpart_attach_test_d add check (a > 1); --- should be attached successfully and without needing to be scanned -alter table defpart_attach_test attach partition defpart_attach_test_d default; --- check that attaching a partition correctly reports any rows in the default --- partition that should not be there for the new partition to be attached --- successfully -create table defpart_attach_test_2 (like defpart_attach_test_d); -alter table defpart_attach_test attach partition defpart_attach_test_2 for values in (2); -ERROR: updated partition constraint for default partition "defpart_attach_test_d" would be violated by some row -drop table defpart_attach_test; --- check combinations of temporary and permanent relations when attaching --- partitions. -create table perm_part_parent (a int) partition by list (a); -create temp table temp_part_parent (a int) partition by list (a); -create table perm_part_child (a int); -create temp table temp_part_child (a int); -alter table temp_part_parent attach partition perm_part_child default; -- error -ERROR: cannot attach a permanent relation as partition of temporary relation "temp_part_parent" -alter table perm_part_parent attach partition temp_part_child default; -- error -ERROR: cannot attach a temporary relation as partition of permanent relation "perm_part_parent" -alter table temp_part_parent attach partition temp_part_child default; -- ok -drop table perm_part_parent cascade; -drop table temp_part_parent cascade; --- check that attaching partitions to a table while it is being used is --- prevented -create table tab_part_attach (a int) partition by list (a); -create or replace function func_part_attach() returns trigger - language plpgsql as $$ - begin - execute 'create table tab_part_attach_1 (a int)'; - execute 'alter table tab_part_attach attach partition tab_part_attach_1 for values in (1)'; - return null; - end $$; -create trigger trig_part_attach before insert on tab_part_attach - for each statement execute procedure func_part_attach(); -insert into tab_part_attach values (1); -ERROR: cannot ALTER TABLE "tab_part_attach" because it is being used by active queries in this session -CONTEXT: SQL statement "alter table tab_part_attach attach partition tab_part_attach_1 for values in (1)" -PL/pgSQL function func_part_attach() line 4 at EXECUTE -drop table tab_part_attach; -drop function func_part_attach(); --- test case where the partitioning operator is a SQL function whose --- evaluation results in the table's relcache being rebuilt partway through --- the execution of an ATTACH PARTITION command -create function at_test_sql_partop (int4, int4) returns int language sql -as $$ select case when $1 = $2 then 0 when $1 > $2 then 1 else -1 end; $$; -create operator class at_test_sql_partop for type int4 using btree as - operator 1 < (int4, int4), operator 2 <= (int4, int4), - operator 3 = (int4, int4), operator 4 >= (int4, int4), - operator 5 > (int4, int4), function 1 at_test_sql_partop(int4, int4); -create table at_test_sql_partop (a int) partition by range (a at_test_sql_partop); -create table at_test_sql_partop_1 (a int); -alter table at_test_sql_partop attach partition at_test_sql_partop_1 for values from (0) to (10); -drop table at_test_sql_partop; -drop operator class at_test_sql_partop using btree; -drop function at_test_sql_partop; -/* Test case for bug #16242 */ --- We create a parent and child where the child has missing --- non-null attribute values, and arrange to pass them through --- tuple conversion from the child to the parent tupdesc -create table bar1 (a integer, b integer not null default 1) - partition by range (a); -create table bar2 (a integer); -insert into bar2 values (1); -alter table bar2 add column b integer not null default 1; --- (at this point bar2 contains tuple with natts=1) -alter table bar1 attach partition bar2 default; --- this works: -select * from bar1; - a | b ----+--- - 1 | 1 -(1 row) - --- this exercises tuple conversion: -create function xtrig() - returns trigger language plpgsql -as $$ - declare - r record; - begin - for r in select * from old loop - raise info 'a=%, b=%', r.a, r.b; - end loop; - return NULL; - end; -$$; -create trigger xtrig - after update on bar1 - referencing old table as old - for each statement execute procedure xtrig(); -update bar1 set a = a + 1; -INFO: a=1, b=1 -/* End test case for bug #16242 */ -/* Test case for bug #17409 */ -create table attbl (p1 int constraint pk_attbl primary key); -create table atref (c1 int references attbl(p1)); -cluster attbl using pk_attbl; -alter table attbl alter column p1 set data type bigint; -alter table atref alter column c1 set data type bigint; -drop table attbl, atref; -create table attbl (p1 int constraint pk_attbl primary key); -alter table attbl replica identity using index pk_attbl; -create table atref (c1 int references attbl(p1)); -alter table attbl alter column p1 set data type bigint; -alter table atref alter column c1 set data type bigint; -drop table attbl, atref; -/* End test case for bug #17409 */ --- Test that ALTER TABLE rewrite preserves a clustered index --- for normal indexes and indexes on constraints. -create table alttype_cluster (a int); -alter table alttype_cluster add primary key (a); -create index alttype_cluster_ind on alttype_cluster (a); -alter table alttype_cluster cluster on alttype_cluster_ind; --- Normal index remains clustered. -select indexrelid::regclass, indisclustered from pg_index - where indrelid = 'alttype_cluster'::regclass - order by indexrelid::regclass::text; - indexrelid | indisclustered -----------------------+---------------- - alttype_cluster_ind | t - alttype_cluster_pkey | f -(2 rows) - -alter table alttype_cluster alter a type bigint; -select indexrelid::regclass, indisclustered from pg_index - where indrelid = 'alttype_cluster'::regclass - order by indexrelid::regclass::text; - indexrelid | indisclustered -----------------------+---------------- - alttype_cluster_ind | t - alttype_cluster_pkey | f -(2 rows) - --- Constraint index remains clustered. -alter table alttype_cluster cluster on alttype_cluster_pkey; -select indexrelid::regclass, indisclustered from pg_index - where indrelid = 'alttype_cluster'::regclass - order by indexrelid::regclass::text; - indexrelid | indisclustered -----------------------+---------------- - alttype_cluster_ind | f - alttype_cluster_pkey | t -(2 rows) - -alter table alttype_cluster alter a type int; -select indexrelid::regclass, indisclustered from pg_index - where indrelid = 'alttype_cluster'::regclass - order by indexrelid::regclass::text; - indexrelid | indisclustered -----------------------+---------------- - alttype_cluster_ind | f - alttype_cluster_pkey | t -(2 rows) - -drop table alttype_cluster; --- --- Check that attaching or detaching a partitioned partition correctly leads --- to its partitions' constraint being updated to reflect the parent's --- newly added/removed constraint -create table target_parted (a int, b int) partition by list (a); -create table attach_parted (a int, b int) partition by list (b); -create table attach_parted_part1 partition of attach_parted for values in (1); --- insert a row directly into the leaf partition so that its partition --- constraint is built and stored in the relcache -insert into attach_parted_part1 values (1, 1); --- the following better invalidate the partition constraint of the leaf --- partition too... -alter table target_parted attach partition attach_parted for values in (1); --- ...such that the following insert fails -insert into attach_parted_part1 values (2, 1); -ERROR: new row for relation "attach_parted_part1" violates partition constraint -DETAIL: Failing row contains (2, 1). --- ...and doesn't when the partition is detached along with its own partition -alter table target_parted detach partition attach_parted; -insert into attach_parted_part1 values (2, 1); --- Test altering table having publication -create schema alter1; -create schema alter2; -create table alter1.t1 (a int); -set client_min_messages = 'ERROR'; -create publication pub1 for table alter1.t1, tables in schema alter2; -reset client_min_messages; -alter table alter1.t1 set schema alter2; -\d+ alter2.t1 - Table "alter2.t1" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - a | integer | | | | plain | | -Publications: - "pub1" - -drop publication pub1; -drop schema alter1 cascade; -drop schema alter2 cascade; -NOTICE: drop cascades to table alter2.t1 +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/sequence.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sequence.out --- /tmp/cirrus-ci-build/src/test/regress/expected/sequence.out 2025-06-04 16:00:28.789048000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/sequence.out 2025-06-04 16:05:11.030558000 +0000 @@ -1,849 +1,2 @@ --- --- CREATE SEQUENCE --- --- various error cases -CREATE SEQUENCE sequence_testx INCREMENT BY 0; -ERROR: INCREMENT must not be zero -CREATE SEQUENCE sequence_testx INCREMENT BY -1 MINVALUE 20; -ERROR: MINVALUE (20) must be less than MAXVALUE (-1) -CREATE SEQUENCE sequence_testx INCREMENT BY 1 MAXVALUE -20; -ERROR: MINVALUE (1) must be less than MAXVALUE (-20) -CREATE SEQUENCE sequence_testx INCREMENT BY -1 START 10; -ERROR: START value (10) cannot be greater than MAXVALUE (-1) -CREATE SEQUENCE sequence_testx INCREMENT BY 1 START -10; -ERROR: START value (-10) cannot be less than MINVALUE (1) -CREATE SEQUENCE sequence_testx CACHE 0; -ERROR: CACHE (0) must be greater than zero --- OWNED BY errors -CREATE SEQUENCE sequence_testx OWNED BY nobody; -- nonsense word -ERROR: invalid OWNED BY option -HINT: Specify OWNED BY table.column or OWNED BY NONE. -CREATE SEQUENCE sequence_testx OWNED BY pg_class_oid_index.oid; -- not a table -ERROR: sequence cannot be owned by relation "pg_class_oid_index" -DETAIL: This operation is not supported for indexes. -CREATE SEQUENCE sequence_testx OWNED BY pg_class.relname; -- not same schema -ERROR: sequence must be in same schema as table it is linked to -CREATE TABLE sequence_test_table (a int); -CREATE SEQUENCE sequence_testx OWNED BY sequence_test_table.b; -- wrong column -ERROR: column "b" of relation "sequence_test_table" does not exist -DROP TABLE sequence_test_table; --- sequence data types -CREATE SEQUENCE sequence_test5 AS integer; -CREATE SEQUENCE sequence_test6 AS smallint; -CREATE SEQUENCE sequence_test7 AS bigint; -CREATE SEQUENCE sequence_test8 AS integer MAXVALUE 100000; -CREATE SEQUENCE sequence_test9 AS integer INCREMENT BY -1; -CREATE SEQUENCE sequence_test10 AS integer MINVALUE -100000 START 1; -CREATE SEQUENCE sequence_test11 AS smallint; -CREATE SEQUENCE sequence_test12 AS smallint INCREMENT -1; -CREATE SEQUENCE sequence_test13 AS smallint MINVALUE -32768; -CREATE SEQUENCE sequence_test14 AS smallint MAXVALUE 32767 INCREMENT -1; -CREATE SEQUENCE sequence_testx AS text; -ERROR: sequence type must be smallint, integer, or bigint -CREATE SEQUENCE sequence_testx AS nosuchtype; -ERROR: type "nosuchtype" does not exist -LINE 1: CREATE SEQUENCE sequence_testx AS nosuchtype; - ^ -CREATE SEQUENCE sequence_testx AS smallint MAXVALUE 100000; -ERROR: MAXVALUE (100000) is out of range for sequence data type smallint -CREATE SEQUENCE sequence_testx AS smallint MINVALUE -100000; -ERROR: MINVALUE (-100000) is out of range for sequence data type smallint -ALTER SEQUENCE sequence_test5 AS smallint; -- success, max will be adjusted -ALTER SEQUENCE sequence_test8 AS smallint; -- fail, max has to be adjusted -ERROR: MAXVALUE (100000) is out of range for sequence data type smallint -ALTER SEQUENCE sequence_test8 AS smallint MAXVALUE 20000; -- ok now -ALTER SEQUENCE sequence_test9 AS smallint; -- success, min will be adjusted -ALTER SEQUENCE sequence_test10 AS smallint; -- fail, min has to be adjusted -ERROR: MINVALUE (-100000) is out of range for sequence data type smallint -ALTER SEQUENCE sequence_test10 AS smallint MINVALUE -20000; -- ok now -ALTER SEQUENCE sequence_test11 AS int; -- max will be adjusted -ALTER SEQUENCE sequence_test12 AS int; -- min will be adjusted -ALTER SEQUENCE sequence_test13 AS int; -- min and max will be adjusted -ALTER SEQUENCE sequence_test14 AS int; -- min and max will be adjusted ---- ---- test creation of SERIAL column ---- -CREATE TABLE serialTest1 (f1 text, f2 serial); -INSERT INTO serialTest1 VALUES ('foo'); -INSERT INTO serialTest1 VALUES ('bar'); -INSERT INTO serialTest1 VALUES ('force', 100); -INSERT INTO serialTest1 VALUES ('wrong', NULL); -ERROR: null value in column "f2" of relation "serialtest1" violates not-null constraint -DETAIL: Failing row contains (wrong, null). -SELECT * FROM serialTest1; - f1 | f2 --------+----- - foo | 1 - bar | 2 - force | 100 -(3 rows) - -SELECT pg_get_serial_sequence('serialTest1', 'f2'); - pg_get_serial_sequence ---------------------------- - public.serialtest1_f2_seq -(1 row) - --- test smallserial / bigserial -CREATE TABLE serialTest2 (f1 text, f2 serial, f3 smallserial, f4 serial2, - f5 bigserial, f6 serial8); -INSERT INTO serialTest2 (f1) - VALUES ('test_defaults'); -INSERT INTO serialTest2 (f1, f2, f3, f4, f5, f6) - VALUES ('test_max_vals', 2147483647, 32767, 32767, 9223372036854775807, - 9223372036854775807), - ('test_min_vals', -2147483648, -32768, -32768, -9223372036854775808, - -9223372036854775808); --- All these INSERTs should fail: -INSERT INTO serialTest2 (f1, f3) - VALUES ('bogus', -32769); -ERROR: smallint out of range -INSERT INTO serialTest2 (f1, f4) - VALUES ('bogus', -32769); -ERROR: smallint out of range -INSERT INTO serialTest2 (f1, f3) - VALUES ('bogus', 32768); -ERROR: smallint out of range -INSERT INTO serialTest2 (f1, f4) - VALUES ('bogus', 32768); -ERROR: smallint out of range -INSERT INTO serialTest2 (f1, f5) - VALUES ('bogus', -9223372036854775809); -ERROR: bigint out of range -INSERT INTO serialTest2 (f1, f6) - VALUES ('bogus', -9223372036854775809); -ERROR: bigint out of range -INSERT INTO serialTest2 (f1, f5) - VALUES ('bogus', 9223372036854775808); -ERROR: bigint out of range -INSERT INTO serialTest2 (f1, f6) - VALUES ('bogus', 9223372036854775808); -ERROR: bigint out of range -SELECT * FROM serialTest2 ORDER BY f2 ASC; - f1 | f2 | f3 | f4 | f5 | f6 ----------------+-------------+--------+--------+----------------------+---------------------- - test_min_vals | -2147483648 | -32768 | -32768 | -9223372036854775808 | -9223372036854775808 - test_defaults | 1 | 1 | 1 | 1 | 1 - test_max_vals | 2147483647 | 32767 | 32767 | 9223372036854775807 | 9223372036854775807 -(3 rows) - -SELECT nextval('serialTest2_f2_seq'); - nextval ---------- - 2 -(1 row) - -SELECT nextval('serialTest2_f3_seq'); - nextval ---------- - 2 -(1 row) - -SELECT nextval('serialTest2_f4_seq'); - nextval ---------- - 2 -(1 row) - -SELECT nextval('serialTest2_f5_seq'); - nextval ---------- - 2 -(1 row) - -SELECT nextval('serialTest2_f6_seq'); - nextval ---------- - 2 -(1 row) - --- basic sequence operations using both text and oid references -CREATE SEQUENCE sequence_test; -CREATE SEQUENCE IF NOT EXISTS sequence_test; -NOTICE: relation "sequence_test" already exists, skipping -SELECT nextval('sequence_test'::text); - nextval ---------- - 1 -(1 row) - -SELECT nextval('sequence_test'::regclass); - nextval ---------- - 2 -(1 row) - -SELECT currval('sequence_test'::text); - currval ---------- - 2 -(1 row) - -SELECT currval('sequence_test'::regclass); - currval ---------- - 2 -(1 row) - -SELECT setval('sequence_test'::text, 32); - setval --------- - 32 -(1 row) - -SELECT nextval('sequence_test'::regclass); - nextval ---------- - 33 -(1 row) - -SELECT setval('sequence_test'::text, 99, false); - setval --------- - 99 -(1 row) - -SELECT nextval('sequence_test'::regclass); - nextval ---------- - 99 -(1 row) - -SELECT setval('sequence_test'::regclass, 32); - setval --------- - 32 -(1 row) - -SELECT nextval('sequence_test'::text); - nextval ---------- - 33 -(1 row) - -SELECT setval('sequence_test'::regclass, 99, false); - setval --------- - 99 -(1 row) - -SELECT nextval('sequence_test'::text); - nextval ---------- - 99 -(1 row) - -DISCARD SEQUENCES; -SELECT currval('sequence_test'::regclass); -ERROR: currval of sequence "sequence_test" is not yet defined in this session -DROP SEQUENCE sequence_test; --- renaming sequences -CREATE SEQUENCE foo_seq; -ALTER TABLE foo_seq RENAME TO foo_seq_new; -SELECT * FROM foo_seq_new; - last_value | log_cnt | is_called -------------+---------+----------- - 1 | 0 | f -(1 row) - -SELECT nextval('foo_seq_new'); - nextval ---------- - 1 -(1 row) - -SELECT nextval('foo_seq_new'); - nextval ---------- - 2 -(1 row) - --- log_cnt can be higher if there is a checkpoint just at the right --- time, so just test for the expected range -SELECT last_value, log_cnt IN (31, 32) AS log_cnt_ok, is_called FROM foo_seq_new; - last_value | log_cnt_ok | is_called -------------+------------+----------- - 2 | t | t -(1 row) - -DROP SEQUENCE foo_seq_new; --- renaming serial sequences -ALTER TABLE serialtest1_f2_seq RENAME TO serialtest1_f2_foo; -INSERT INTO serialTest1 VALUES ('more'); -SELECT * FROM serialTest1; - f1 | f2 --------+----- - foo | 1 - bar | 2 - force | 100 - more | 3 -(4 rows) - --- --- Check dependencies of serial and ordinary sequences --- -CREATE TEMP SEQUENCE myseq2; -CREATE TEMP SEQUENCE myseq3; -CREATE TEMP TABLE t1 ( - f1 serial, - f2 int DEFAULT nextval('myseq2'), - f3 int DEFAULT nextval('myseq3'::text) -); --- Both drops should fail, but with different error messages: -DROP SEQUENCE t1_f1_seq; -ERROR: cannot drop sequence t1_f1_seq because other objects depend on it -DETAIL: default value for column f1 of table t1 depends on sequence t1_f1_seq -HINT: Use DROP ... CASCADE to drop the dependent objects too. -DROP SEQUENCE myseq2; -ERROR: cannot drop sequence myseq2 because other objects depend on it -DETAIL: default value for column f2 of table t1 depends on sequence myseq2 -HINT: Use DROP ... CASCADE to drop the dependent objects too. --- This however will work: -DROP SEQUENCE myseq3; -DROP TABLE t1; --- Fails because no longer existent: -DROP SEQUENCE t1_f1_seq; -ERROR: sequence "t1_f1_seq" does not exist --- Now OK: -DROP SEQUENCE myseq2; --- --- Alter sequence --- -ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 24 - INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE; -NOTICE: relation "sequence_test2" does not exist, skipping -ALTER SEQUENCE serialTest1 CYCLE; -- error, not a sequence -ERROR: cannot open relation "serialtest1" -DETAIL: This operation is not supported for tables. -CREATE SEQUENCE sequence_test2 START WITH 32; -CREATE SEQUENCE sequence_test4 INCREMENT BY -1; -SELECT nextval('sequence_test2'); - nextval ---------- - 32 -(1 row) - -SELECT nextval('sequence_test4'); - nextval ---------- - -1 -(1 row) - -ALTER SEQUENCE sequence_test2 RESTART; -SELECT nextval('sequence_test2'); - nextval ---------- - 32 -(1 row) - -ALTER SEQUENCE sequence_test2 RESTART WITH 0; -- error -ERROR: RESTART value (0) cannot be less than MINVALUE (1) -ALTER SEQUENCE sequence_test4 RESTART WITH 40; -- error -ERROR: RESTART value (40) cannot be greater than MAXVALUE (-1) --- test CYCLE and NO CYCLE -ALTER SEQUENCE sequence_test2 RESTART WITH 24 - INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE; -SELECT nextval('sequence_test2'); - nextval ---------- - 24 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 28 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 32 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 36 -(1 row) - -SELECT nextval('sequence_test2'); -- cycled - nextval ---------- - 5 -(1 row) - -ALTER SEQUENCE sequence_test2 RESTART WITH 24 - NO CYCLE; -SELECT nextval('sequence_test2'); - nextval ---------- - 24 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 28 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 32 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - 36 -(1 row) - -SELECT nextval('sequence_test2'); -- error -ERROR: nextval: reached maximum value of sequence "sequence_test2" (36) -ALTER SEQUENCE sequence_test2 RESTART WITH -24 START WITH -24 - INCREMENT BY -4 MINVALUE -36 MAXVALUE -5 CYCLE; -SELECT nextval('sequence_test2'); - nextval ---------- - -24 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -28 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -32 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -36 -(1 row) - -SELECT nextval('sequence_test2'); -- cycled - nextval ---------- - -5 -(1 row) - -ALTER SEQUENCE sequence_test2 RESTART WITH -24 - NO CYCLE; -SELECT nextval('sequence_test2'); - nextval ---------- - -24 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -28 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -32 -(1 row) - -SELECT nextval('sequence_test2'); - nextval ---------- - -36 -(1 row) - -SELECT nextval('sequence_test2'); -- error -ERROR: nextval: reached minimum value of sequence "sequence_test2" (-36) --- reset -ALTER SEQUENCE IF EXISTS sequence_test2 RESTART WITH 32 START WITH 32 - INCREMENT BY 4 MAXVALUE 36 MINVALUE 5 CYCLE; -SELECT setval('sequence_test2', -100); -- error -ERROR: setval: value -100 is out of bounds for sequence "sequence_test2" (5..36) -SELECT setval('sequence_test2', 100); -- error -ERROR: setval: value 100 is out of bounds for sequence "sequence_test2" (5..36) -SELECT setval('sequence_test2', 5); - setval --------- - 5 -(1 row) - -CREATE SEQUENCE sequence_test3; -- not read from, to test is_called --- Information schema -SELECT * FROM information_schema.sequences - WHERE sequence_name ~ ANY(ARRAY['sequence_test', 'serialtest']) - ORDER BY sequence_name ASC; - sequence_catalog | sequence_schema | sequence_name | data_type | numeric_precision | numeric_precision_radix | numeric_scale | start_value | minimum_value | maximum_value | increment | cycle_option -------------------+-----------------+--------------------+-----------+-------------------+-------------------------+---------------+-------------+----------------------+---------------------+-----------+-------------- - regression | public | sequence_test10 | smallint | 16 | 2 | 0 | 1 | -20000 | 32767 | 1 | NO - regression | public | sequence_test11 | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO - regression | public | sequence_test12 | integer | 32 | 2 | 0 | -1 | -2147483648 | -1 | -1 | NO - regression | public | sequence_test13 | integer | 32 | 2 | 0 | -32768 | -2147483648 | 2147483647 | 1 | NO - regression | public | sequence_test14 | integer | 32 | 2 | 0 | 32767 | -2147483648 | 2147483647 | -1 | NO - regression | public | sequence_test2 | bigint | 64 | 2 | 0 | 32 | 5 | 36 | 4 | YES - regression | public | sequence_test3 | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO - regression | public | sequence_test4 | bigint | 64 | 2 | 0 | -1 | -9223372036854775808 | -1 | -1 | NO - regression | public | sequence_test5 | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO - regression | public | sequence_test6 | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO - regression | public | sequence_test7 | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO - regression | public | sequence_test8 | smallint | 16 | 2 | 0 | 1 | 1 | 20000 | 1 | NO - regression | public | sequence_test9 | smallint | 16 | 2 | 0 | -1 | -32768 | -1 | -1 | NO - regression | public | serialtest1_f2_foo | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO - regression | public | serialtest2_f2_seq | integer | 32 | 2 | 0 | 1 | 1 | 2147483647 | 1 | NO - regression | public | serialtest2_f3_seq | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO - regression | public | serialtest2_f4_seq | smallint | 16 | 2 | 0 | 1 | 1 | 32767 | 1 | NO - regression | public | serialtest2_f5_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO - regression | public | serialtest2_f6_seq | bigint | 64 | 2 | 0 | 1 | 1 | 9223372036854775807 | 1 | NO -(19 rows) - -SELECT schemaname, sequencename, start_value, min_value, max_value, increment_by, cycle, cache_size, last_value -FROM pg_sequences -WHERE sequencename ~ ANY(ARRAY['sequence_test', 'serialtest']) - ORDER BY sequencename ASC; - schemaname | sequencename | start_value | min_value | max_value | increment_by | cycle | cache_size | last_value -------------+--------------------+-------------+----------------------+---------------------+--------------+-------+------------+------------ - public | sequence_test10 | 1 | -20000 | 32767 | 1 | f | 1 | - public | sequence_test11 | 1 | 1 | 2147483647 | 1 | f | 1 | - public | sequence_test12 | -1 | -2147483648 | -1 | -1 | f | 1 | - public | sequence_test13 | -32768 | -2147483648 | 2147483647 | 1 | f | 1 | - public | sequence_test14 | 32767 | -2147483648 | 2147483647 | -1 | f | 1 | - public | sequence_test2 | 32 | 5 | 36 | 4 | t | 1 | 5 - public | sequence_test3 | 1 | 1 | 9223372036854775807 | 1 | f | 1 | - public | sequence_test4 | -1 | -9223372036854775808 | -1 | -1 | f | 1 | -1 - public | sequence_test5 | 1 | 1 | 32767 | 1 | f | 1 | - public | sequence_test6 | 1 | 1 | 32767 | 1 | f | 1 | - public | sequence_test7 | 1 | 1 | 9223372036854775807 | 1 | f | 1 | - public | sequence_test8 | 1 | 1 | 20000 | 1 | f | 1 | - public | sequence_test9 | -1 | -32768 | -1 | -1 | f | 1 | - public | serialtest1_f2_foo | 1 | 1 | 2147483647 | 1 | f | 1 | 3 - public | serialtest2_f2_seq | 1 | 1 | 2147483647 | 1 | f | 1 | 2 - public | serialtest2_f3_seq | 1 | 1 | 32767 | 1 | f | 1 | 2 - public | serialtest2_f4_seq | 1 | 1 | 32767 | 1 | f | 1 | 2 - public | serialtest2_f5_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2 - public | serialtest2_f6_seq | 1 | 1 | 9223372036854775807 | 1 | f | 1 | 2 -(19 rows) - -SELECT * FROM pg_sequence_parameters('sequence_test4'::regclass); - start_value | minimum_value | maximum_value | increment | cycle_option | cache_size | data_type --------------+----------------------+---------------+-----------+--------------+------------+----------- - -1 | -9223372036854775808 | -1 | -1 | f | 1 | 20 -(1 row) - -\d sequence_test4 - Sequence "public.sequence_test4" - Type | Start | Minimum | Maximum | Increment | Cycles? | Cache ---------+-------+----------------------+---------+-----------+---------+------- - bigint | -1 | -9223372036854775808 | -1 | -1 | no | 1 - -\d serialtest2_f2_seq - Sequence "public.serialtest2_f2_seq" - Type | Start | Minimum | Maximum | Increment | Cycles? | Cache ----------+-------+---------+------------+-----------+---------+------- - integer | 1 | 1 | 2147483647 | 1 | no | 1 -Owned by: public.serialtest2.f2 - --- Test comments -COMMENT ON SEQUENCE asdf IS 'won''t work'; -ERROR: relation "asdf" does not exist -COMMENT ON SEQUENCE sequence_test2 IS 'will work'; -COMMENT ON SEQUENCE sequence_test2 IS NULL; --- Test lastval() -CREATE SEQUENCE seq; -SELECT nextval('seq'); - nextval ---------- - 1 -(1 row) - -SELECT lastval(); - lastval ---------- - 1 -(1 row) - -SELECT setval('seq', 99); - setval --------- - 99 -(1 row) - -SELECT lastval(); - lastval ---------- - 99 -(1 row) - -DISCARD SEQUENCES; -SELECT lastval(); -ERROR: lastval is not yet defined in this session -CREATE SEQUENCE seq2; -SELECT nextval('seq2'); - nextval ---------- - 1 -(1 row) - -SELECT lastval(); - lastval ---------- - 1 -(1 row) - -DROP SEQUENCE seq2; --- should fail -SELECT lastval(); -ERROR: lastval is not yet defined in this session --- unlogged sequences --- (more tests in src/test/recovery/) -CREATE UNLOGGED SEQUENCE sequence_test_unlogged; -ALTER SEQUENCE sequence_test_unlogged SET LOGGED; -\d sequence_test_unlogged - Sequence "public.sequence_test_unlogged" - Type | Start | Minimum | Maximum | Increment | Cycles? | Cache ---------+-------+---------+---------------------+-----------+---------+------- - bigint | 1 | 1 | 9223372036854775807 | 1 | no | 1 - -ALTER SEQUENCE sequence_test_unlogged SET UNLOGGED; -\d sequence_test_unlogged - Unlogged sequence "public.sequence_test_unlogged" - Type | Start | Minimum | Maximum | Increment | Cycles? | Cache ---------+-------+---------+---------------------+-----------+---------+------- - bigint | 1 | 1 | 9223372036854775807 | 1 | no | 1 - -DROP SEQUENCE sequence_test_unlogged; --- Test sequences in read-only transactions -CREATE TEMPORARY SEQUENCE sequence_test_temp1; -START TRANSACTION READ ONLY; -SELECT nextval('sequence_test_temp1'); -- ok - nextval ---------- - 1 -(1 row) - -SELECT nextval('sequence_test2'); -- error -ERROR: cannot execute nextval() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT setval('sequence_test_temp1', 1); -- ok - setval --------- - 1 -(1 row) - -SELECT setval('sequence_test2', 1); -- error -ERROR: cannot execute setval() in a read-only transaction -ROLLBACK; --- privileges tests -CREATE USER regress_seq_user; --- nextval -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT SELECT ON seq3 TO regress_seq_user; -SELECT nextval('seq3'); -ERROR: permission denied for sequence seq3 -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT UPDATE ON seq3 TO regress_seq_user; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT USAGE ON seq3 TO regress_seq_user; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -ROLLBACK; --- currval -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT SELECT ON seq3 TO regress_seq_user; -SELECT currval('seq3'); - currval ---------- - 1 -(1 row) - -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT UPDATE ON seq3 TO regress_seq_user; -SELECT currval('seq3'); -ERROR: permission denied for sequence seq3 -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT USAGE ON seq3 TO regress_seq_user; -SELECT currval('seq3'); - currval ---------- - 1 -(1 row) - -ROLLBACK; --- lastval -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT SELECT ON seq3 TO regress_seq_user; -SELECT lastval(); - lastval ---------- - 1 -(1 row) - -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT UPDATE ON seq3 TO regress_seq_user; -SELECT lastval(); -ERROR: permission denied for sequence seq3 -ROLLBACK; -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -SELECT nextval('seq3'); - nextval ---------- - 1 -(1 row) - -REVOKE ALL ON seq3 FROM regress_seq_user; -GRANT USAGE ON seq3 TO regress_seq_user; -SELECT lastval(); - lastval ---------- - 1 -(1 row) - -ROLLBACK; --- setval -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -CREATE SEQUENCE seq3; -REVOKE ALL ON seq3 FROM regress_seq_user; -SAVEPOINT save; -SELECT setval('seq3', 5); -ERROR: permission denied for sequence seq3 -ROLLBACK TO save; -GRANT UPDATE ON seq3 TO regress_seq_user; -SELECT setval('seq3', 5); - setval --------- - 5 -(1 row) - -SELECT nextval('seq3'); - nextval ---------- - 6 -(1 row) - -ROLLBACK; --- ALTER SEQUENCE -BEGIN; -SET LOCAL SESSION AUTHORIZATION regress_seq_user; -ALTER SEQUENCE sequence_test2 START WITH 1; -ERROR: must be owner of sequence sequence_test2 -ROLLBACK; --- Sequences should get wiped out as well: -DROP TABLE serialTest1, serialTest2; --- Make sure sequences are gone: -SELECT * FROM information_schema.sequences WHERE sequence_name IN - ('sequence_test2', 'serialtest2_f2_seq', 'serialtest2_f3_seq', - 'serialtest2_f4_seq', 'serialtest2_f5_seq', 'serialtest2_f6_seq') - ORDER BY sequence_name ASC; - sequence_catalog | sequence_schema | sequence_name | data_type | numeric_precision | numeric_precision_radix | numeric_scale | start_value | minimum_value | maximum_value | increment | cycle_option -------------------+-----------------+----------------+-----------+-------------------+-------------------------+---------------+-------------+---------------+---------------+-----------+-------------- - regression | public | sequence_test2 | bigint | 64 | 2 | 0 | 32 | 5 | 36 | 4 | YES -(1 row) - -DROP USER regress_seq_user; -DROP SEQUENCE seq; --- cache tests -CREATE SEQUENCE test_seq1 CACHE 10; -SELECT nextval('test_seq1'); - nextval ---------- - 1 -(1 row) - -SELECT nextval('test_seq1'); - nextval ---------- - 2 -(1 row) - -SELECT nextval('test_seq1'); - nextval ---------- - 3 -(1 row) - --- pg_get_sequence_data -SELECT * FROM pg_get_sequence_data('test_seq1'); - last_value | is_called -------------+----------- - 10 | t -(1 row) - -DROP SEQUENCE test_seq1; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/polymorphism.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/polymorphism.out --- /tmp/cirrus-ci-build/src/test/regress/expected/polymorphism.out 2025-06-04 16:00:28.775257000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/polymorphism.out 2025-06-04 16:05:11.014827000 +0000 @@ -1,2110 +1,2 @@ --- --- Tests for polymorphic SQL functions and aggregates based on them. --- Tests for other features related to function-calling have snuck in, too. --- -create function polyf(x anyelement) returns anyelement as $$ - select x + 1 -$$ language sql; -select polyf(42) as int, polyf(4.5) as num; - int | num ------+----- - 43 | 5.5 -(1 row) - -select polyf(point(3,4)); -- fail for lack of + operator -ERROR: operator does not exist: point + integer -LINE 2: select x + 1 - ^ -HINT: No operator matches the given name and argument types. You might need to add explicit type casts. -QUERY: - select x + 1 - -CONTEXT: SQL function "polyf" during inlining -drop function polyf(x anyelement); -create function polyf(x anyelement) returns anyarray as $$ - select array[x + 1, x + 2] -$$ language sql; -select polyf(42) as int, polyf(4.5) as num; - int | num ----------+----------- - {43,44} | {5.5,6.5} -(1 row) - -drop function polyf(x anyelement); -create function polyf(x anyarray) returns anyelement as $$ - select x[1] -$$ language sql; -select polyf(array[2,4]) as int, polyf(array[4.5, 7.7]) as num; - int | num ------+----- - 2 | 4.5 -(1 row) - -select polyf(stavalues1) from pg_statistic; -- fail, can't infer element type -ERROR: cannot determine element type of "anyarray" argument -drop function polyf(x anyarray); -create function polyf(x anyarray) returns anyarray as $$ - select x -$$ language sql; -select polyf(array[2,4]) as int, polyf(array[4.5, 7.7]) as num; - int | num --------+----------- - {2,4} | {4.5,7.7} -(1 row) - -select polyf(stavalues1) from pg_statistic; -- fail, can't infer element type -ERROR: return type anyarray is not supported for SQL functions -CONTEXT: SQL function "polyf" during inlining -drop function polyf(x anyarray); --- fail, can't infer type: -create function polyf(x anyelement) returns anyrange as $$ - select array[x + 1, x + 2] -$$ language sql; -ERROR: cannot determine result data type -DETAIL: A result of type anyrange requires at least one input of type anyrange or anymultirange. -create function polyf(x anyrange) returns anyarray as $$ - select array[lower(x), upper(x)] -$$ language sql; -select polyf(int4range(42, 49)) as int, polyf(float8range(4.5, 7.8)) as num; - int | num ----------+----------- - {42,49} | {4.5,7.8} -(1 row) - -drop function polyf(x anyrange); -create function polyf(x anycompatible, y anycompatible) returns anycompatiblearray as $$ - select array[x, y] -$$ language sql; -select polyf(2, 4) as int, polyf(2, 4.5) as num; - int | num --------+--------- - {2,4} | {2,4.5} -(1 row) - -drop function polyf(x anycompatible, y anycompatible); -create function polyf(x anycompatiblerange, y anycompatible, z anycompatible) returns anycompatiblearray as $$ - select array[lower(x), upper(x), y, z] -$$ language sql; -select polyf(int4range(42, 49), 11, 2::smallint) as int, polyf(float8range(4.5, 7.8), 7.8, 11::real) as num; - int | num ---------------+------------------ - {42,49,11,2} | {4.5,7.8,7.8,11} -(1 row) - -select polyf(int4range(42, 49), 11, 4.5) as fail; -- range type doesn't fit -ERROR: function polyf(int4range, integer, numeric) does not exist -LINE 1: select polyf(int4range(42, 49), 11, 4.5) as fail; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function polyf(x anycompatiblerange, y anycompatible, z anycompatible); -create function polyf(x anycompatiblemultirange, y anycompatible, z anycompatible) returns anycompatiblearray as $$ - select array[lower(x), upper(x), y, z] -$$ language sql; -select polyf(multirange(int4range(42, 49)), 11, 2::smallint) as int, polyf(multirange(float8range(4.5, 7.8)), 7.8, 11::real) as num; - int | num ---------------+------------------ - {42,49,11,2} | {4.5,7.8,7.8,11} -(1 row) - -select polyf(multirange(int4range(42, 49)), 11, 4.5) as fail; -- range type doesn't fit -ERROR: function polyf(int4multirange, integer, numeric) does not exist -LINE 1: select polyf(multirange(int4range(42, 49)), 11, 4.5) as fail... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function polyf(x anycompatiblemultirange, y anycompatible, z anycompatible); --- fail, can't infer type: -create function polyf(x anycompatible) returns anycompatiblerange as $$ - select array[x + 1, x + 2] -$$ language sql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatiblerange requires at least one input of type anycompatiblerange or anycompatiblemultirange. -create function polyf(x anycompatiblerange, y anycompatiblearray) returns anycompatiblerange as $$ - select x -$$ language sql; -select polyf(int4range(42, 49), array[11]) as int, polyf(float8range(4.5, 7.8), array[7]) as num; - int | num ----------+----------- - [42,49) | [4.5,7.8) -(1 row) - -drop function polyf(x anycompatiblerange, y anycompatiblearray); --- fail, can't infer type: -create function polyf(x anycompatible) returns anycompatiblemultirange as $$ - select array[x + 1, x + 2] -$$ language sql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatiblemultirange requires at least one input of type anycompatiblerange or anycompatiblemultirange. -create function polyf(x anycompatiblemultirange, y anycompatiblearray) returns anycompatiblemultirange as $$ - select x -$$ language sql; -select polyf(multirange(int4range(42, 49)), array[11]) as int, polyf(multirange(float8range(4.5, 7.8)), array[7]) as num; - int | num ------------+------------- - {[42,49)} | {[4.5,7.8)} -(1 row) - -drop function polyf(x anycompatiblemultirange, y anycompatiblearray); -create function polyf(a anyelement, b anyarray, - c anycompatible, d anycompatible, - OUT x anyarray, OUT y anycompatiblearray) -as $$ - select a || b, array[c, d] -$$ language sql; -select x, pg_typeof(x), y, pg_typeof(y) - from polyf(11, array[1, 2], 42, 34.5); - x | pg_typeof | y | pg_typeof -----------+-----------+-----------+----------- - {11,1,2} | integer[] | {42,34.5} | numeric[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from polyf(11, array[1, 2], point(1,2), point(3,4)); - x | pg_typeof | y | pg_typeof -----------+-----------+-------------------+----------- - {11,1,2} | integer[] | {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from polyf(11, '{1,2}', point(1,2), '(3,4)'); - x | pg_typeof | y | pg_typeof -----------+-----------+-------------------+----------- - {11,1,2} | integer[] | {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x), y, pg_typeof(y) - from polyf(11, array[1, 2.2], 42, 34.5); -- fail -ERROR: function polyf(integer, numeric[], integer, numeric) does not exist -LINE 2: from polyf(11, array[1, 2.2], 42, 34.5); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function polyf(a anyelement, b anyarray, - c anycompatible, d anycompatible); -create function polyf(anyrange) returns anymultirange -as 'select multirange($1);' language sql; -select polyf(int4range(1,10)); - polyf ----------- - {[1,10)} -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type because input has type unknown -drop function polyf(anyrange); -create function polyf(anymultirange) returns anyelement -as 'select lower($1);' language sql; -select polyf(int4multirange(int4range(1,10), int4range(20,30))); - polyf -------- - 1 -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type because input has type unknown -drop function polyf(anymultirange); -create function polyf(anycompatiblerange) returns anycompatiblemultirange -as 'select multirange($1);' language sql; -select polyf(int4range(1,10)); - polyf ----------- - {[1,10)} -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type anycompatiblerange because input has type unknown -drop function polyf(anycompatiblerange); -create function polyf(anymultirange) returns anyrange -as 'select range_merge($1);' language sql; -select polyf(int4multirange(int4range(1,10), int4range(20,30))); - polyf --------- - [1,30) -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type because input has type unknown -drop function polyf(anymultirange); -create function polyf(anycompatiblemultirange) returns anycompatiblerange -as 'select range_merge($1);' language sql; -select polyf(int4multirange(int4range(1,10), int4range(20,30))); - polyf --------- - [1,30) -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type anycompatiblerange because input has type unknown -drop function polyf(anycompatiblemultirange); -create function polyf(anycompatiblemultirange) returns anycompatible -as 'select lower($1);' language sql; -select polyf(int4multirange(int4range(1,10), int4range(20,30))); - polyf -------- - 1 -(1 row) - -select polyf(null); -ERROR: could not determine polymorphic type anycompatiblemultirange because input has type unknown -drop function polyf(anycompatiblemultirange); --- --- Polymorphic aggregate tests --- --- Legend: ------------ --- A = type is ANY --- P = type is polymorphic --- N = type is non-polymorphic --- B = aggregate base type --- S = aggregate state type --- R = aggregate return type --- 1 = arg1 of a function --- 2 = arg2 of a function --- ag = aggregate --- tf = trans (state) function --- ff = final function --- rt = return type of a function --- -> = implies --- => = allowed --- !> = not allowed --- E = exists --- NE = not-exists --- --- Possible states: --- ---------------- --- B = (A || P || N) --- when (B = A) -> (tf2 = NE) --- S = (P || N) --- ff = (E || NE) --- tf1 = (P || N) --- tf2 = (NE || P || N) --- R = (P || N) --- create functions for use as tf and ff with the needed combinations of --- argument polymorphism, but within the constraints of valid aggregate --- functions, i.e. tf arg1 and tf return type must match --- polymorphic single arg transfn -CREATE FUNCTION stfp(anyarray) RETURNS anyarray AS -'select $1' LANGUAGE SQL; --- non-polymorphic single arg transfn -CREATE FUNCTION stfnp(int[]) RETURNS int[] AS -'select $1' LANGUAGE SQL; --- dual polymorphic transfn -CREATE FUNCTION tfp(anyarray,anyelement) RETURNS anyarray AS -'select $1 || $2' LANGUAGE SQL; --- dual non-polymorphic transfn -CREATE FUNCTION tfnp(int[],int) RETURNS int[] AS -'select $1 || $2' LANGUAGE SQL; --- arg1 only polymorphic transfn -CREATE FUNCTION tf1p(anyarray,int) RETURNS anyarray AS -'select $1' LANGUAGE SQL; --- arg2 only polymorphic transfn -CREATE FUNCTION tf2p(int[],anyelement) RETURNS int[] AS -'select $1' LANGUAGE SQL; --- multi-arg polymorphic -CREATE FUNCTION sum3(anyelement,anyelement,anyelement) returns anyelement AS -'select $1+$2+$3' language sql strict; --- finalfn polymorphic -CREATE FUNCTION ffp(anyarray) RETURNS anyarray AS -'select $1' LANGUAGE SQL; --- finalfn non-polymorphic -CREATE FUNCTION ffnp(int[]) returns int[] as -'select $1' LANGUAGE SQL; --- Try to cover all the possible states: --- --- Note: in Cases 1 & 2, we are trying to return P. Therefore, if the transfn --- is stfnp, tfnp, or tf2p, we must use ffp as finalfn, because stfnp, tfnp, --- and tf2p do not return P. Conversely, in Cases 3 & 4, we are trying to --- return N. Therefore, if the transfn is stfp, tfp, or tf1p, we must use ffnp --- as finalfn, because stfp, tfp, and tf1p do not return N. --- --- Case1 (R = P) && (B = A) --- ------------------------ --- S tf1 --- ------- --- N N --- should CREATE -CREATE AGGREGATE myaggp01a(*) (SFUNC = stfnp, STYPE = int4[], - FINALFUNC = ffp, INITCOND = '{}'); --- P N --- should ERROR: stfnp(anyarray) not matched by stfnp(int[]) -CREATE AGGREGATE myaggp02a(*) (SFUNC = stfnp, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- N P --- should CREATE -CREATE AGGREGATE myaggp03a(*) (SFUNC = stfp, STYPE = int4[], - FINALFUNC = ffp, INITCOND = '{}'); -CREATE AGGREGATE myaggp03b(*) (SFUNC = stfp, STYPE = int4[], - INITCOND = '{}'); --- P P --- should ERROR: we have no way to resolve S -CREATE AGGREGATE myaggp04a(*) (SFUNC = stfp, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggp04b(*) (SFUNC = stfp, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- Case2 (R = P) && ((B = P) || (B = N)) --- ------------------------------------- --- S tf1 B tf2 --- ----------------------- --- N N N N --- should CREATE -CREATE AGGREGATE myaggp05a(BASETYPE = int, SFUNC = tfnp, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); --- N N N P --- should CREATE -CREATE AGGREGATE myaggp06a(BASETYPE = int, SFUNC = tf2p, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); --- N N P N --- should ERROR: tfnp(int[], anyelement) not matched by tfnp(int[], int) -CREATE AGGREGATE myaggp07a(BASETYPE = anyelement, SFUNC = tfnp, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tfnp(integer[], anyelement) does not exist --- N N P P --- should CREATE -CREATE AGGREGATE myaggp08a(BASETYPE = anyelement, SFUNC = tf2p, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); --- N P N N --- should CREATE -CREATE AGGREGATE myaggp09a(BASETYPE = int, SFUNC = tf1p, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); -CREATE AGGREGATE myaggp09b(BASETYPE = int, SFUNC = tf1p, STYPE = int[], - INITCOND = '{}'); --- N P N P --- should CREATE -CREATE AGGREGATE myaggp10a(BASETYPE = int, SFUNC = tfp, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); -CREATE AGGREGATE myaggp10b(BASETYPE = int, SFUNC = tfp, STYPE = int[], - INITCOND = '{}'); --- N P P N --- should ERROR: tf1p(int[],anyelement) not matched by tf1p(anyarray,int) -CREATE AGGREGATE myaggp11a(BASETYPE = anyelement, SFUNC = tf1p, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tf1p(integer[], anyelement) does not exist -CREATE AGGREGATE myaggp11b(BASETYPE = anyelement, SFUNC = tf1p, STYPE = int[], - INITCOND = '{}'); -ERROR: function tf1p(integer[], anyelement) does not exist --- N P P P --- should ERROR: tfp(int[],anyelement) not matched by tfp(anyarray,anyelement) -CREATE AGGREGATE myaggp12a(BASETYPE = anyelement, SFUNC = tfp, STYPE = int[], - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tfp(integer[], anyelement) does not exist -CREATE AGGREGATE myaggp12b(BASETYPE = anyelement, SFUNC = tfp, STYPE = int[], - INITCOND = '{}'); -ERROR: function tfp(integer[], anyelement) does not exist --- P N N N --- should ERROR: tfnp(anyarray, int) not matched by tfnp(int[],int) -CREATE AGGREGATE myaggp13a(BASETYPE = int, SFUNC = tfnp, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P N N P --- should ERROR: tf2p(anyarray, int) not matched by tf2p(int[],anyelement) -CREATE AGGREGATE myaggp14a(BASETYPE = int, SFUNC = tf2p, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P N P N --- should ERROR: tfnp(anyarray, anyelement) not matched by tfnp(int[],int) -CREATE AGGREGATE myaggp15a(BASETYPE = anyelement, SFUNC = tfnp, - STYPE = anyarray, FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tfnp(anyarray, anyelement) does not exist --- P N P P --- should ERROR: tf2p(anyarray, anyelement) not matched by tf2p(int[],anyelement) -CREATE AGGREGATE myaggp16a(BASETYPE = anyelement, SFUNC = tf2p, - STYPE = anyarray, FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tf2p(anyarray, anyelement) does not exist --- P P N N --- should ERROR: we have no way to resolve S -CREATE AGGREGATE myaggp17a(BASETYPE = int, SFUNC = tf1p, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggp17b(BASETYPE = int, SFUNC = tf1p, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P P N P --- should ERROR: tfp(anyarray, int) not matched by tfp(anyarray, anyelement) -CREATE AGGREGATE myaggp18a(BASETYPE = int, SFUNC = tfp, STYPE = anyarray, - FINALFUNC = ffp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggp18b(BASETYPE = int, SFUNC = tfp, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P P P N --- should ERROR: tf1p(anyarray, anyelement) not matched by tf1p(anyarray, int) -CREATE AGGREGATE myaggp19a(BASETYPE = anyelement, SFUNC = tf1p, - STYPE = anyarray, FINALFUNC = ffp, INITCOND = '{}'); -ERROR: function tf1p(anyarray, anyelement) does not exist -CREATE AGGREGATE myaggp19b(BASETYPE = anyelement, SFUNC = tf1p, - STYPE = anyarray, INITCOND = '{}'); -ERROR: function tf1p(anyarray, anyelement) does not exist --- P P P P --- should CREATE -CREATE AGGREGATE myaggp20a(BASETYPE = anyelement, SFUNC = tfp, - STYPE = anyarray, FINALFUNC = ffp, INITCOND = '{}'); -CREATE AGGREGATE myaggp20b(BASETYPE = anyelement, SFUNC = tfp, - STYPE = anyarray, INITCOND = '{}'); --- Case3 (R = N) && (B = A) --- ------------------------ --- S tf1 --- ------- --- N N --- should CREATE -CREATE AGGREGATE myaggn01a(*) (SFUNC = stfnp, STYPE = int4[], - FINALFUNC = ffnp, INITCOND = '{}'); -CREATE AGGREGATE myaggn01b(*) (SFUNC = stfnp, STYPE = int4[], - INITCOND = '{}'); --- P N --- should ERROR: stfnp(anyarray) not matched by stfnp(int[]) -CREATE AGGREGATE myaggn02a(*) (SFUNC = stfnp, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggn02b(*) (SFUNC = stfnp, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- N P --- should CREATE -CREATE AGGREGATE myaggn03a(*) (SFUNC = stfp, STYPE = int4[], - FINALFUNC = ffnp, INITCOND = '{}'); --- P P --- should ERROR: ffnp(anyarray) not matched by ffnp(int[]) -CREATE AGGREGATE myaggn04a(*) (SFUNC = stfp, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- Case4 (R = N) && ((B = P) || (B = N)) --- ------------------------------------- --- S tf1 B tf2 --- ----------------------- --- N N N N --- should CREATE -CREATE AGGREGATE myaggn05a(BASETYPE = int, SFUNC = tfnp, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -CREATE AGGREGATE myaggn05b(BASETYPE = int, SFUNC = tfnp, STYPE = int[], - INITCOND = '{}'); --- N N N P --- should CREATE -CREATE AGGREGATE myaggn06a(BASETYPE = int, SFUNC = tf2p, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -CREATE AGGREGATE myaggn06b(BASETYPE = int, SFUNC = tf2p, STYPE = int[], - INITCOND = '{}'); --- N N P N --- should ERROR: tfnp(int[], anyelement) not matched by tfnp(int[], int) -CREATE AGGREGATE myaggn07a(BASETYPE = anyelement, SFUNC = tfnp, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tfnp(integer[], anyelement) does not exist -CREATE AGGREGATE myaggn07b(BASETYPE = anyelement, SFUNC = tfnp, STYPE = int[], - INITCOND = '{}'); -ERROR: function tfnp(integer[], anyelement) does not exist --- N N P P --- should CREATE -CREATE AGGREGATE myaggn08a(BASETYPE = anyelement, SFUNC = tf2p, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -CREATE AGGREGATE myaggn08b(BASETYPE = anyelement, SFUNC = tf2p, STYPE = int[], - INITCOND = '{}'); --- N P N N --- should CREATE -CREATE AGGREGATE myaggn09a(BASETYPE = int, SFUNC = tf1p, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); --- N P N P --- should CREATE -CREATE AGGREGATE myaggn10a(BASETYPE = int, SFUNC = tfp, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); --- N P P N --- should ERROR: tf1p(int[],anyelement) not matched by tf1p(anyarray,int) -CREATE AGGREGATE myaggn11a(BASETYPE = anyelement, SFUNC = tf1p, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tf1p(integer[], anyelement) does not exist --- N P P P --- should ERROR: tfp(int[],anyelement) not matched by tfp(anyarray,anyelement) -CREATE AGGREGATE myaggn12a(BASETYPE = anyelement, SFUNC = tfp, STYPE = int[], - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tfp(integer[], anyelement) does not exist --- P N N N --- should ERROR: tfnp(anyarray, int) not matched by tfnp(int[],int) -CREATE AGGREGATE myaggn13a(BASETYPE = int, SFUNC = tfnp, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggn13b(BASETYPE = int, SFUNC = tfnp, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P N N P --- should ERROR: tf2p(anyarray, int) not matched by tf2p(int[],anyelement) -CREATE AGGREGATE myaggn14a(BASETYPE = int, SFUNC = tf2p, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. -CREATE AGGREGATE myaggn14b(BASETYPE = int, SFUNC = tf2p, STYPE = anyarray, - INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P N P N --- should ERROR: tfnp(anyarray, anyelement) not matched by tfnp(int[],int) -CREATE AGGREGATE myaggn15a(BASETYPE = anyelement, SFUNC = tfnp, - STYPE = anyarray, FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tfnp(anyarray, anyelement) does not exist -CREATE AGGREGATE myaggn15b(BASETYPE = anyelement, SFUNC = tfnp, - STYPE = anyarray, INITCOND = '{}'); -ERROR: function tfnp(anyarray, anyelement) does not exist --- P N P P --- should ERROR: tf2p(anyarray, anyelement) not matched by tf2p(int[],anyelement) -CREATE AGGREGATE myaggn16a(BASETYPE = anyelement, SFUNC = tf2p, - STYPE = anyarray, FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tf2p(anyarray, anyelement) does not exist -CREATE AGGREGATE myaggn16b(BASETYPE = anyelement, SFUNC = tf2p, - STYPE = anyarray, INITCOND = '{}'); -ERROR: function tf2p(anyarray, anyelement) does not exist --- P P N N --- should ERROR: ffnp(anyarray) not matched by ffnp(int[]) -CREATE AGGREGATE myaggn17a(BASETYPE = int, SFUNC = tf1p, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P P N P --- should ERROR: tfp(anyarray, int) not matched by tfp(anyarray, anyelement) -CREATE AGGREGATE myaggn18a(BASETYPE = int, SFUNC = tfp, STYPE = anyarray, - FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: cannot determine transition data type -DETAIL: A result of type anyarray requires at least one input of type anyelement, anyarray, anynonarray, anyenum, anyrange, or anymultirange. --- P P P N --- should ERROR: tf1p(anyarray, anyelement) not matched by tf1p(anyarray, int) -CREATE AGGREGATE myaggn19a(BASETYPE = anyelement, SFUNC = tf1p, - STYPE = anyarray, FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function tf1p(anyarray, anyelement) does not exist --- P P P P --- should ERROR: ffnp(anyarray) not matched by ffnp(int[]) -CREATE AGGREGATE myaggn20a(BASETYPE = anyelement, SFUNC = tfp, - STYPE = anyarray, FINALFUNC = ffnp, INITCOND = '{}'); -ERROR: function ffnp(anyarray) does not exist --- multi-arg polymorphic -CREATE AGGREGATE mysum2(anyelement,anyelement) (SFUNC = sum3, - STYPE = anyelement, INITCOND = '0'); --- create test data for polymorphic aggregates -create temp table t(f1 int, f2 int[], f3 text); -insert into t values(1,array[1],'a'); -insert into t values(1,array[11],'b'); -insert into t values(1,array[111],'c'); -insert into t values(2,array[2],'a'); -insert into t values(2,array[22],'b'); -insert into t values(2,array[222],'c'); -insert into t values(3,array[3],'a'); -insert into t values(3,array[3],'b'); --- test the successfully created polymorphic aggregates -select f3, myaggp01a(*) from t group by f3 order by f3; - f3 | myaggp01a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp03a(*) from t group by f3 order by f3; - f3 | myaggp03a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp03b(*) from t group by f3 order by f3; - f3 | myaggp03b -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp05a(f1) from t group by f3 order by f3; - f3 | myaggp05a -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggp06a(f1) from t group by f3 order by f3; - f3 | myaggp06a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp08a(f1) from t group by f3 order by f3; - f3 | myaggp08a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp09a(f1) from t group by f3 order by f3; - f3 | myaggp09a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp09b(f1) from t group by f3 order by f3; - f3 | myaggp09b -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggp10a(f1) from t group by f3 order by f3; - f3 | myaggp10a -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggp10b(f1) from t group by f3 order by f3; - f3 | myaggp10b -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggp20a(f1) from t group by f3 order by f3; - f3 | myaggp20a -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggp20b(f1) from t group by f3 order by f3; - f3 | myaggp20b -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggn01a(*) from t group by f3 order by f3; - f3 | myaggn01a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn01b(*) from t group by f3 order by f3; - f3 | myaggn01b -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn03a(*) from t group by f3 order by f3; - f3 | myaggn03a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn05a(f1) from t group by f3 order by f3; - f3 | myaggn05a -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggn05b(f1) from t group by f3 order by f3; - f3 | myaggn05b -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select f3, myaggn06a(f1) from t group by f3 order by f3; - f3 | myaggn06a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn06b(f1) from t group by f3 order by f3; - f3 | myaggn06b -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn08a(f1) from t group by f3 order by f3; - f3 | myaggn08a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn08b(f1) from t group by f3 order by f3; - f3 | myaggn08b -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn09a(f1) from t group by f3 order by f3; - f3 | myaggn09a -----+----------- - a | {} - b | {} - c | {} -(3 rows) - -select f3, myaggn10a(f1) from t group by f3 order by f3; - f3 | myaggn10a -----+----------- - a | {1,2,3} - b | {1,2,3} - c | {1,2} -(3 rows) - -select mysum2(f1, f1 + 1) from t; - mysum2 --------- - 38 -(1 row) - --- test inlining of polymorphic SQL functions -create function bleat(int) returns int as $$ -begin - raise notice 'bleat %', $1; - return $1; -end$$ language plpgsql; -create function sql_if(bool, anyelement, anyelement) returns anyelement as $$ -select case when $1 then $2 else $3 end $$ language sql; --- Note this would fail with integer overflow, never mind wrong bleat() output, --- if the CASE expression were not successfully inlined -select f1, sql_if(f1 > 0, bleat(f1), bleat(f1 + 1)) from int4_tbl; -NOTICE: bleat 1 -NOTICE: bleat 123456 -NOTICE: bleat -123455 -NOTICE: bleat 2147483647 -NOTICE: bleat -2147483646 - f1 | sql_if --------------+------------- - 0 | 1 - 123456 | 123456 - -123456 | -123455 - 2147483647 | 2147483647 - -2147483647 | -2147483646 -(5 rows) - -select q2, sql_if(q2 > 0, q2, q2 + 1) from int8_tbl; - q2 | sql_if --------------------+------------------- - 456 | 456 - 4567890123456789 | 4567890123456789 - 123 | 123 - 4567890123456789 | 4567890123456789 - -4567890123456789 | -4567890123456788 -(5 rows) - --- another sort of polymorphic aggregate -CREATE AGGREGATE array_larger_accum (anyarray) -( - sfunc = array_larger, - stype = anyarray, - initcond = '{}' -); -SELECT array_larger_accum(i) -FROM (VALUES (ARRAY[1,2]), (ARRAY[3,4])) as t(i); - array_larger_accum --------------------- - {3,4} -(1 row) - -SELECT array_larger_accum(i) -FROM (VALUES (ARRAY[row(1,2),row(3,4)]), (ARRAY[row(5,6),row(7,8)])) as t(i); - array_larger_accum --------------------- - {"(5,6)","(7,8)"} -(1 row) - --- another kind of polymorphic aggregate -create function add_group(grp anyarray, ad anyelement, size integer) - returns anyarray - as $$ -begin - if grp is null then - return array[ad]; - end if; - if array_upper(grp, 1) < size then - return grp || ad; - end if; - return grp; -end; -$$ - language plpgsql immutable; -create aggregate build_group(anyelement, integer) ( - SFUNC = add_group, - STYPE = anyarray -); -select build_group(q1,3) from int8_tbl; - build_group ----------------------------- - {123,123,4567890123456789} -(1 row) - --- this should fail because stype isn't compatible with arg -create aggregate build_group(int8, integer) ( - SFUNC = add_group, - STYPE = int2[] -); -ERROR: function add_group(smallint[], bigint, integer) does not exist --- but we can make a non-poly agg from a poly sfunc if types are OK -create aggregate build_group(int8, integer) ( - SFUNC = add_group, - STYPE = int8[] -); --- check proper resolution of data types for polymorphic transfn/finalfn -create function first_el_transfn(anyarray, anyelement) returns anyarray as -'select $1 || $2' language sql immutable; -create function first_el(anyarray) returns anyelement as -'select $1[1]' language sql strict immutable; -create aggregate first_el_agg_f8(float8) ( - SFUNC = array_append, - STYPE = float8[], - FINALFUNC = first_el -); -create aggregate first_el_agg_any(anyelement) ( - SFUNC = first_el_transfn, - STYPE = anyarray, - FINALFUNC = first_el -); -select first_el_agg_f8(x::float8) from generate_series(1,10) x; - first_el_agg_f8 ------------------ - 1 -(1 row) - -select first_el_agg_any(x) from generate_series(1,10) x; - first_el_agg_any ------------------- - 1 -(1 row) - -select first_el_agg_f8(x::float8) over(order by x) from generate_series(1,10) x; - first_el_agg_f8 ------------------ - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 -(10 rows) - -select first_el_agg_any(x) over(order by x) from generate_series(1,10) x; - first_el_agg_any ------------------- - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 -(10 rows) - --- check that we can apply functions taking ANYARRAY to pg_stats -select distinct array_ndims(histogram_bounds) from pg_stats -where histogram_bounds is not null; - array_ndims -------------- - 1 -(1 row) - --- such functions must protect themselves if varying element type isn't OK --- (WHERE clause here is to avoid possibly getting a collation error instead) -select max(histogram_bounds) from pg_stats where tablename = 'pg_am'; -ERROR: cannot compare arrays of different element types --- another corner case is the input functions for polymorphic pseudotypes -select array_in('{1,2,3}','int4'::regtype,-1); -- this has historically worked - array_in ----------- - {1,2,3} -(1 row) - -select * from array_in('{1,2,3}','int4'::regtype,-1); -- this not -ERROR: function "array_in" in FROM has unsupported return type anyarray -LINE 1: select * from array_in('{1,2,3}','int4'::regtype,-1); - ^ -select anyrange_in('[10,20)','int4range'::regtype,-1); -ERROR: cannot accept a value of type anyrange --- test variadic polymorphic functions -create function myleast(variadic anyarray) returns anyelement as $$ - select min($1[i]) from generate_subscripts($1,1) g(i) -$$ language sql immutable strict; -select myleast(10, 1, 20, 33); - myleast ---------- - 1 -(1 row) - -select myleast(1.1, 0.22, 0.55); - myleast ---------- - 0.22 -(1 row) - -select myleast('z'::text); - myleast ---------- - z -(1 row) - -select myleast(); -- fail -ERROR: function myleast() does not exist -LINE 1: select myleast(); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. --- test with variadic call parameter -select myleast(variadic array[1,2,3,4,-1]); - myleast ---------- - -1 -(1 row) - -select myleast(variadic array[1.1, -5.5]); - myleast ---------- - -5.5 -(1 row) - ---test with empty variadic call parameter -select myleast(variadic array[]::int[]); - myleast ---------- - -(1 row) - --- an example with some ordinary arguments too -create function concat(text, variadic anyarray) returns text as $$ - select array_to_string($2, $1); -$$ language sql immutable strict; -select concat('%', 1, 2, 3, 4, 5); - concat ------------ - 1%2%3%4%5 -(1 row) - -select concat('|', 'a'::text, 'b', 'c'); - concat --------- - a|b|c -(1 row) - -select concat('|', variadic array[1,2,33]); - concat --------- - 1|2|33 -(1 row) - -select concat('|', variadic array[]::int[]); - concat --------- - -(1 row) - -drop function concat(text, anyarray); --- mix variadic with anyelement -create function formarray(anyelement, variadic anyarray) returns anyarray as $$ - select array_prepend($1, $2); -$$ language sql immutable strict; -select formarray(1,2,3,4,5); - formarray -------------- - {1,2,3,4,5} -(1 row) - -select formarray(1.1, variadic array[1.2,55.5]); - formarray ----------------- - {1.1,1.2,55.5} -(1 row) - -select formarray(1.1, array[1.2,55.5]); -- fail without variadic -ERROR: function formarray(numeric, numeric[]) does not exist -LINE 1: select formarray(1.1, array[1.2,55.5]); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select formarray(1, 'x'::text); -- fail, type mismatch -ERROR: function formarray(integer, text) does not exist -LINE 1: select formarray(1, 'x'::text); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select formarray(1, variadic array['x'::text]); -- fail, type mismatch -ERROR: function formarray(integer, text[]) does not exist -LINE 1: select formarray(1, variadic array['x'::text]); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function formarray(anyelement, variadic anyarray); --- test pg_typeof() function -select pg_typeof(null); -- unknown - pg_typeof ------------ - unknown -(1 row) - -select pg_typeof(0); -- integer - pg_typeof ------------ - integer -(1 row) - -select pg_typeof(0.0); -- numeric - pg_typeof ------------ - numeric -(1 row) - -select pg_typeof(1+1 = 2); -- boolean - pg_typeof ------------ - boolean -(1 row) - -select pg_typeof('x'); -- unknown - pg_typeof ------------ - unknown -(1 row) - -select pg_typeof('' || ''); -- text - pg_typeof ------------ - text -(1 row) - -select pg_typeof(pg_typeof(0)); -- regtype - pg_typeof ------------ - regtype -(1 row) - -select pg_typeof(array[1.2,55.5]); -- numeric[] - pg_typeof ------------ - numeric[] -(1 row) - -select pg_typeof(myleast(10, 1, 20, 33)); -- polymorphic input - pg_typeof ------------ - integer -(1 row) - --- test functions with default parameters --- test basic functionality -create function dfunc(a int = 1, int = 2) returns int as $$ - select $1 + $2; -$$ language sql; -select dfunc(); - dfunc -------- - 3 -(1 row) - -select dfunc(10); - dfunc -------- - 12 -(1 row) - -select dfunc(10, 20); - dfunc -------- - 30 -(1 row) - -select dfunc(10, 20, 30); -- fail -ERROR: function dfunc(integer, integer, integer) does not exist -LINE 1: select dfunc(10, 20, 30); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function dfunc(); -- fail -ERROR: function dfunc() does not exist -drop function dfunc(int); -- fail -ERROR: function dfunc(integer) does not exist -drop function dfunc(int, int); -- ok --- fail: defaults must be at end of argument list -create function dfunc(a int = 1, b int) returns int as $$ - select $1 + $2; -$$ language sql; -ERROR: input parameters after one with a default value must also have defaults -LINE 1: create function dfunc(a int = 1, b int) returns int as $$ - ^ --- however, this should work: -create function dfunc(a int = 1, out sum int, b int = 2) as $$ - select $1 + $2; -$$ language sql; -select dfunc(); - dfunc -------- - 3 -(1 row) - --- verify it lists properly -\df dfunc - List of functions - Schema | Name | Result data type | Argument data types | Type ---------+-------+------------------+-----------------------------------------------------------+------ - public | dfunc | integer | a integer DEFAULT 1, OUT sum integer, b integer DEFAULT 2 | func -(1 row) - -drop function dfunc(int, int); --- check implicit coercion -create function dfunc(a int DEFAULT 1.0, int DEFAULT '-1') returns int as $$ - select $1 + $2; -$$ language sql; -select dfunc(); - dfunc -------- - 0 -(1 row) - -create function dfunc(a text DEFAULT 'Hello', b text DEFAULT 'World') returns text as $$ - select $1 || ', ' || $2; -$$ language sql; -select dfunc(); -- fail: which dfunc should be called? int or text -ERROR: function dfunc() is not unique -LINE 1: select dfunc(); - ^ -HINT: Could not choose a best candidate function. You might need to add explicit type casts. -select dfunc('Hi'); -- ok - dfunc ------------ - Hi, World -(1 row) - -select dfunc('Hi', 'City'); -- ok - dfunc ----------- - Hi, City -(1 row) - -select dfunc(0); -- ok - dfunc -------- - -1 -(1 row) - -select dfunc(10, 20); -- ok - dfunc -------- - 30 -(1 row) - -drop function dfunc(int, int); -drop function dfunc(text, text); -create function dfunc(int = 1, int = 2) returns int as $$ - select 2; -$$ language sql; -create function dfunc(int = 1, int = 2, int = 3, int = 4) returns int as $$ - select 4; -$$ language sql; --- Now, dfunc(nargs = 2) and dfunc(nargs = 4) are ambiguous when called --- with 0 to 2 arguments. -select dfunc(); -- fail -ERROR: function dfunc() is not unique -LINE 1: select dfunc(); - ^ -HINT: Could not choose a best candidate function. You might need to add explicit type casts. -select dfunc(1); -- fail -ERROR: function dfunc(integer) is not unique -LINE 1: select dfunc(1); - ^ -HINT: Could not choose a best candidate function. You might need to add explicit type casts. -select dfunc(1, 2); -- fail -ERROR: function dfunc(integer, integer) is not unique -LINE 1: select dfunc(1, 2); - ^ -HINT: Could not choose a best candidate function. You might need to add explicit type casts. -select dfunc(1, 2, 3); -- ok - dfunc -------- - 4 -(1 row) - -select dfunc(1, 2, 3, 4); -- ok - dfunc -------- - 4 -(1 row) - -drop function dfunc(int, int); -drop function dfunc(int, int, int, int); --- default values are not allowed for output parameters -create function dfunc(out int = 20) returns int as $$ - select 1; -$$ language sql; -ERROR: only input parameters can have default values -LINE 1: create function dfunc(out int = 20) returns int as $$ - ^ --- polymorphic parameter test -create function dfunc(anyelement = 'World'::text) returns text as $$ - select 'Hello, ' || $1::text; -$$ language sql; -select dfunc(); - dfunc --------------- - Hello, World -(1 row) - -select dfunc(0); - dfunc ----------- - Hello, 0 -(1 row) - -select dfunc(to_date('20081215','YYYYMMDD')); - dfunc -------------------- - Hello, 12-15-2008 -(1 row) - -select dfunc('City'::text); - dfunc -------------- - Hello, City -(1 row) - -drop function dfunc(anyelement); --- check defaults for variadics -create function dfunc(a variadic int[]) returns int as -$$ select array_upper($1, 1) $$ language sql; -select dfunc(); -- fail -ERROR: function dfunc() does not exist -LINE 1: select dfunc(); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select dfunc(10); - dfunc -------- - 1 -(1 row) - -select dfunc(10,20); - dfunc -------- - 2 -(1 row) - -create or replace function dfunc(a variadic int[] default array[]::int[]) returns int as -$$ select array_upper($1, 1) $$ language sql; -select dfunc(); -- now ok - dfunc -------- - -(1 row) - -select dfunc(10); - dfunc -------- - 1 -(1 row) - -select dfunc(10,20); - dfunc -------- - 2 -(1 row) - --- can't remove the default once it exists -create or replace function dfunc(a variadic int[]) returns int as -$$ select array_upper($1, 1) $$ language sql; -ERROR: cannot remove parameter defaults from existing function -HINT: Use DROP FUNCTION dfunc(integer[]) first. -\df dfunc - List of functions - Schema | Name | Result data type | Argument data types | Type ---------+-------+------------------+-------------------------------------------------+------ - public | dfunc | integer | VARIADIC a integer[] DEFAULT ARRAY[]::integer[] | func -(1 row) - -drop function dfunc(a variadic int[]); --- Ambiguity should be reported only if there's not a better match available -create function dfunc(int = 1, int = 2, int = 3) returns int as $$ - select 3; -$$ language sql; -create function dfunc(int = 1, int = 2) returns int as $$ - select 2; -$$ language sql; -create function dfunc(text) returns text as $$ - select $1; -$$ language sql; --- dfunc(narg=2) and dfunc(narg=3) are ambiguous -select dfunc(1); -- fail -ERROR: function dfunc(integer) is not unique -LINE 1: select dfunc(1); - ^ -HINT: Could not choose a best candidate function. You might need to add explicit type casts. --- but this works since the ambiguous functions aren't preferred anyway -select dfunc('Hi'); - dfunc -------- - Hi -(1 row) - -drop function dfunc(int, int, int); -drop function dfunc(int, int); -drop function dfunc(text); --- --- Tests for named- and mixed-notation function calling --- -create function dfunc(a int, b int, c int = 0, d int = 0) - returns table (a int, b int, c int, d int) as $$ - select $1, $2, $3, $4; -$$ language sql; -select (dfunc(10,20,30)).*; - a | b | c | d -----+----+----+--- - 10 | 20 | 30 | 0 -(1 row) - -select (dfunc(a := 10, b := 20, c := 30)).*; - a | b | c | d -----+----+----+--- - 10 | 20 | 30 | 0 -(1 row) - -select * from dfunc(a := 10, b := 20); - a | b | c | d -----+----+---+--- - 10 | 20 | 0 | 0 -(1 row) - -select * from dfunc(b := 10, a := 20); - a | b | c | d -----+----+---+--- - 20 | 10 | 0 | 0 -(1 row) - -select * from dfunc(0); -- fail -ERROR: function dfunc(integer) does not exist -LINE 1: select * from dfunc(0); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select * from dfunc(1,2); - a | b | c | d ----+---+---+--- - 1 | 2 | 0 | 0 -(1 row) - -select * from dfunc(1,2,c := 3); - a | b | c | d ----+---+---+--- - 1 | 2 | 3 | 0 -(1 row) - -select * from dfunc(1,2,d := 3); - a | b | c | d ----+---+---+--- - 1 | 2 | 0 | 3 -(1 row) - -select * from dfunc(x := 20, b := 10, x := 30); -- fail, duplicate name -ERROR: argument name "x" used more than once -LINE 1: select * from dfunc(x := 20, b := 10, x := 30); - ^ -select * from dfunc(10, b := 20, 30); -- fail, named args must be last -ERROR: positional argument cannot follow named argument -LINE 1: select * from dfunc(10, b := 20, 30); - ^ -select * from dfunc(x := 10, b := 20, c := 30); -- fail, unknown param -ERROR: function dfunc(x => integer, b => integer, c => integer) does not exist -LINE 1: select * from dfunc(x := 10, b := 20, c := 30); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select * from dfunc(10, 10, a := 20); -- fail, a overlaps positional parameter -ERROR: function dfunc(integer, integer, a => integer) does not exist -LINE 1: select * from dfunc(10, 10, a := 20); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select * from dfunc(1,c := 2,d := 3); -- fail, no value for b -ERROR: function dfunc(integer, c => integer, d => integer) does not exist -LINE 1: select * from dfunc(1,c := 2,d := 3); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function dfunc(int, int, int, int); --- test with different parameter types -create function dfunc(a varchar, b numeric, c date = current_date) - returns table (a varchar, b numeric, c date) as $$ - select $1, $2, $3; -$$ language sql; -select (dfunc('Hello World', 20, '2009-07-25'::date)).*; - a | b | c --------------+----+------------ - Hello World | 20 | 07-25-2009 -(1 row) - -select * from dfunc('Hello World', 20, '2009-07-25'::date); - a | b | c --------------+----+------------ - Hello World | 20 | 07-25-2009 -(1 row) - -select * from dfunc(c := '2009-07-25'::date, a := 'Hello World', b := 20); - a | b | c --------------+----+------------ - Hello World | 20 | 07-25-2009 -(1 row) - -select * from dfunc('Hello World', b := 20, c := '2009-07-25'::date); - a | b | c --------------+----+------------ - Hello World | 20 | 07-25-2009 -(1 row) - -select * from dfunc('Hello World', c := '2009-07-25'::date, b := 20); - a | b | c --------------+----+------------ - Hello World | 20 | 07-25-2009 -(1 row) - -select * from dfunc('Hello World', c := 20, b := '2009-07-25'::date); -- fail -ERROR: function dfunc(unknown, c => integer, b => date) does not exist -LINE 1: select * from dfunc('Hello World', c := 20, b := '2009-07-25... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function dfunc(varchar, numeric, date); --- test out parameters with named params -create function dfunc(a varchar = 'def a', out _a varchar, c numeric = NULL, out _c numeric) -returns record as $$ - select $1, $2; -$$ language sql; -select (dfunc()).*; - _a | _c --------+---- - def a | -(1 row) - -select * from dfunc(); - _a | _c --------+---- - def a | -(1 row) - -select * from dfunc('Hello', 100); - _a | _c --------+----- - Hello | 100 -(1 row) - -select * from dfunc(a := 'Hello', c := 100); - _a | _c --------+----- - Hello | 100 -(1 row) - -select * from dfunc(c := 100, a := 'Hello'); - _a | _c --------+----- - Hello | 100 -(1 row) - -select * from dfunc('Hello'); - _a | _c --------+---- - Hello | -(1 row) - -select * from dfunc('Hello', c := 100); - _a | _c --------+----- - Hello | 100 -(1 row) - -select * from dfunc(c := 100); - _a | _c --------+----- - def a | 100 -(1 row) - --- fail, can no longer change an input parameter's name -create or replace function dfunc(a varchar = 'def a', out _a varchar, x numeric = NULL, out _c numeric) -returns record as $$ - select $1, $2; -$$ language sql; -ERROR: cannot change name of input parameter "c" -HINT: Use DROP FUNCTION dfunc(character varying,numeric) first. -create or replace function dfunc(a varchar = 'def a', out _a varchar, numeric = NULL, out _c numeric) -returns record as $$ - select $1, $2; -$$ language sql; -ERROR: cannot change name of input parameter "c" -HINT: Use DROP FUNCTION dfunc(character varying,numeric) first. -drop function dfunc(varchar, numeric); ---fail, named parameters are not unique -create function testpolym(a int, a int) returns int as $$ select 1;$$ language sql; -ERROR: parameter name "a" used more than once -LINE 1: create function testpolym(a int, a int) returns int as $$ se... - ^ -create function testpolym(int, out a int, out a int) returns int as $$ select 1;$$ language sql; -ERROR: parameter name "a" used more than once -LINE 1: create function testpolym(int, out a int, out a int) returns... - ^ -create function testpolym(out a int, inout a int) returns int as $$ select 1;$$ language sql; -ERROR: parameter name "a" used more than once -LINE 1: create function testpolym(out a int, inout a int) returns in... - ^ -create function testpolym(a int, inout a int) returns int as $$ select 1;$$ language sql; -ERROR: parameter name "a" used more than once -LINE 1: create function testpolym(a int, inout a int) returns int as... - ^ --- valid -create function testpolym(a int, out a int) returns int as $$ select $1;$$ language sql; -select testpolym(37); - testpolym ------------ - 37 -(1 row) - -drop function testpolym(int); -create function testpolym(a int) returns table(a int) as $$ select $1;$$ language sql; -select * from testpolym(37); - a ----- - 37 -(1 row) - -drop function testpolym(int); --- test polymorphic params and defaults -create function dfunc(a anyelement, b anyelement = null, flag bool = true) -returns anyelement as $$ - select case when $3 then $1 else $2 end; -$$ language sql; -select dfunc(1,2); - dfunc -------- - 1 -(1 row) - -select dfunc('a'::text, 'b'); -- positional notation with default - dfunc -------- - a -(1 row) - -select dfunc(a := 1, b := 2); - dfunc -------- - 1 -(1 row) - -select dfunc(a := 'a'::text, b := 'b'); - dfunc -------- - a -(1 row) - -select dfunc(a := 'a'::text, b := 'b', flag := false); -- named notation - dfunc -------- - b -(1 row) - -select dfunc(b := 'b'::text, a := 'a'); -- named notation with default - dfunc -------- - a -(1 row) - -select dfunc(a := 'a'::text, flag := true); -- named notation with default - dfunc -------- - a -(1 row) - -select dfunc(a := 'a'::text, flag := false); -- named notation with default - dfunc -------- - -(1 row) - -select dfunc(b := 'b'::text, a := 'a', flag := true); -- named notation - dfunc -------- - a -(1 row) - -select dfunc('a'::text, 'b', false); -- full positional notation - dfunc -------- - b -(1 row) - -select dfunc('a'::text, 'b', flag := false); -- mixed notation - dfunc -------- - b -(1 row) - -select dfunc('a'::text, 'b', true); -- full positional notation - dfunc -------- - a -(1 row) - -select dfunc('a'::text, 'b', flag := true); -- mixed notation - dfunc -------- - a -(1 row) - --- ansi/sql syntax -select dfunc(a => 1, b => 2); - dfunc -------- - 1 -(1 row) - -select dfunc(a => 'a'::text, b => 'b'); - dfunc -------- - a -(1 row) - -select dfunc(a => 'a'::text, b => 'b', flag => false); -- named notation - dfunc -------- - b -(1 row) - -select dfunc(b => 'b'::text, a => 'a'); -- named notation with default - dfunc -------- - a -(1 row) - -select dfunc(a => 'a'::text, flag => true); -- named notation with default - dfunc -------- - a -(1 row) - -select dfunc(a => 'a'::text, flag => false); -- named notation with default - dfunc -------- - -(1 row) - -select dfunc(b => 'b'::text, a => 'a', flag => true); -- named notation - dfunc -------- - a -(1 row) - -select dfunc('a'::text, 'b', false); -- full positional notation - dfunc -------- - b -(1 row) - -select dfunc('a'::text, 'b', flag => false); -- mixed notation - dfunc -------- - b -(1 row) - -select dfunc('a'::text, 'b', true); -- full positional notation - dfunc -------- - a -(1 row) - -select dfunc('a'::text, 'b', flag => true); -- mixed notation - dfunc -------- - a -(1 row) - --- this tests lexer edge cases around => -select dfunc(a =>-1); - dfunc -------- - -1 -(1 row) - -select dfunc(a =>+1); - dfunc -------- - 1 -(1 row) - -select dfunc(a =>/**/1); - dfunc -------- - 1 -(1 row) - -select dfunc(a =>--comment to be removed by psql - 1); - dfunc -------- - 1 -(1 row) - --- need DO to protect the -- from psql -do $$ - declare r integer; - begin - select dfunc(a=>-- comment - 1) into r; - raise info 'r = %', r; - end; -$$; -INFO: r = 1 --- check reverse-listing of named-arg calls -CREATE VIEW dfview AS - SELECT q1, q2, - dfunc(q1,q2, flag := q1>q2) as c3, - dfunc(q1, flag := q1 q1 > q2) AS c3, - dfunc(q1, flag => q1 < q2, b => q2) AS c4 - FROM int8_tbl; - -drop view dfview; -drop function dfunc(anyelement, anyelement, bool); --- --- Tests for ANYCOMPATIBLE polymorphism family --- -create function anyctest(anycompatible, anycompatible) -returns anycompatible as $$ - select greatest($1, $2) -$$ language sql; -select x, pg_typeof(x) from anyctest(11, 12) x; - x | pg_typeof -----+----------- - 12 | integer -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12.3) x; - x | pg_typeof -------+----------- - 12.3 | numeric -(1 row) - -select x, pg_typeof(x) from anyctest(11, point(1,2)) x; -- fail -ERROR: function anyctest(integer, point) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, point(1,2)) x; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest('11', '12.3') x; -- defaults to text - x | pg_typeof -------+----------- - 12.3 | text -(1 row) - -drop function anyctest(anycompatible, anycompatible); -create function anyctest(anycompatible, anycompatible) -returns anycompatiblearray as $$ - select array[$1, $2] -$$ language sql; -select x, pg_typeof(x) from anyctest(11, 12) x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12.3) x; - x | pg_typeof ------------+----------- - {11,12.3} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, array[1,2]) x; -- fail -ERROR: function anyctest(integer, integer[]) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, array[1,2]) x; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(anycompatible, anycompatible); -create function anyctest(anycompatible, anycompatiblearray) -returns anycompatiblearray as $$ - select array[$1] || $2 -$$ language sql; -select x, pg_typeof(x) from anyctest(11, array[12]) x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, array[12.3]) x; - x | pg_typeof ------------+----------- - {11,12.3} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(12.3, array[13]) x; - x | pg_typeof ------------+----------- - {12.3,13} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(12.3, '{13,14.4}') x; - x | pg_typeof -----------------+----------- - {12.3,13,14.4} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, array[point(1,2)]) x; -- fail -ERROR: function anyctest(integer, point[]) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, array[point(1,2)]) ... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest(11, 12) x; -- fail -ERROR: function anyctest(integer, integer) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, 12) x; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(anycompatible, anycompatiblearray); -create function anyctest(anycompatible, anycompatiblerange) -returns anycompatiblerange as $$ - select $2 -$$ language sql; -select x, pg_typeof(x) from anyctest(11, int4range(4,7)) x; - x | pg_typeof --------+----------- - [4,7) | int4range -(1 row) - -select x, pg_typeof(x) from anyctest(11, numrange(4,7)) x; - x | pg_typeof --------+----------- - [4,7) | numrange -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12) x; -- fail -ERROR: function anyctest(integer, integer) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, 12) x; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest(11.2, int4range(4,7)) x; -- fail -ERROR: function anyctest(numeric, int4range) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11.2, int4range(4,7)) x... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest(11.2, '[4,7)') x; -- fail -ERROR: could not determine polymorphic type anycompatiblerange because input has type unknown -drop function anyctest(anycompatible, anycompatiblerange); -create function anyctest(anycompatiblerange, anycompatiblerange) -returns anycompatible as $$ - select lower($1) + upper($2) -$$ language sql; -select x, pg_typeof(x) from anyctest(int4range(11,12), int4range(4,7)) x; - x | pg_typeof -----+----------- - 18 | integer -(1 row) - -select x, pg_typeof(x) from anyctest(int4range(11,12), numrange(4,7)) x; -- fail -ERROR: function anyctest(int4range, numrange) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(int4range(11,12), numra... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(anycompatiblerange, anycompatiblerange); --- fail, can't infer result type: -create function anyctest(anycompatible) -returns anycompatiblerange as $$ - select $1 -$$ language sql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatiblerange requires at least one input of type anycompatiblerange or anycompatiblemultirange. -create function anyctest(anycompatible, anycompatiblemultirange) -returns anycompatiblemultirange as $$ - select $2 -$$ language sql; -select x, pg_typeof(x) from anyctest(11, multirange(int4range(4,7))) x; - x | pg_typeof ----------+---------------- - {[4,7)} | int4multirange -(1 row) - -select x, pg_typeof(x) from anyctest(11, multirange(numrange(4,7))) x; - x | pg_typeof ----------+--------------- - {[4,7)} | nummultirange -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12) x; -- fail -ERROR: function anyctest(integer, integer) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, 12) x; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest(11.2, multirange(int4range(4,7))) x; -- fail -ERROR: function anyctest(numeric, int4multirange) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11.2, multirange(int4ra... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select x, pg_typeof(x) from anyctest(11.2, '{[4,7)}') x; -- fail -ERROR: could not determine polymorphic type anycompatiblemultirange because input has type unknown -drop function anyctest(anycompatible, anycompatiblemultirange); -create function anyctest(anycompatiblemultirange, anycompatiblemultirange) -returns anycompatible as $$ - select lower($1) + upper($2) -$$ language sql; -select x, pg_typeof(x) from anyctest(multirange(int4range(11,12)), multirange(int4range(4,7))) x; - x | pg_typeof -----+----------- - 18 | integer -(1 row) - -select x, pg_typeof(x) from anyctest(multirange(int4range(11,12)), multirange(numrange(4,7))) x; -- fail -ERROR: function anyctest(int4multirange, nummultirange) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(multirange(int4range(11... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(anycompatiblemultirange, anycompatiblemultirange); --- fail, can't infer result type: -create function anyctest(anycompatible) -returns anycompatiblemultirange as $$ - select $1 -$$ language sql; -ERROR: cannot determine result data type -DETAIL: A result of type anycompatiblemultirange requires at least one input of type anycompatiblerange or anycompatiblemultirange. -create function anyctest(anycompatiblenonarray, anycompatiblenonarray) -returns anycompatiblearray as $$ - select array[$1, $2] -$$ language sql; -select x, pg_typeof(x) from anyctest(11, 12) x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12.3) x; - x | pg_typeof ------------+----------- - {11,12.3} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(array[11], array[1,2]) x; -- fail -ERROR: function anyctest(integer[], integer[]) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(array[11], array[1,2]) ... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(anycompatiblenonarray, anycompatiblenonarray); -create function anyctest(a anyelement, b anyarray, - c anycompatible, d anycompatible) -returns anycompatiblearray as $$ - select array[c, d] -$$ language sql; -select x, pg_typeof(x) from anyctest(11, array[1, 2], 42, 34.5) x; - x | pg_typeof ------------+----------- - {42,34.5} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, array[1, 2], point(1,2), point(3,4)) x; - x | pg_typeof --------------------+----------- - {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, '{1,2}', point(1,2), '(3,4)') x; - x | pg_typeof --------------------+----------- - {"(1,2)","(3,4)"} | point[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, array[1, 2.2], 42, 34.5) x; -- fail -ERROR: function anyctest(integer, numeric[], integer, numeric) does not exist -LINE 1: select x, pg_typeof(x) from anyctest(11, array[1, 2.2], 42, ... - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -drop function anyctest(a anyelement, b anyarray, - c anycompatible, d anycompatible); -create function anyctest(variadic anycompatiblearray) -returns anycompatiblearray as $$ - select $1 -$$ language sql; -select x, pg_typeof(x) from anyctest(11, 12) x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, 12.2) x; - x | pg_typeof ------------+----------- - {11,12.2} | numeric[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, '12') x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(11, '12.2') x; -- fail -ERROR: invalid input syntax for type integer: "12.2" -LINE 1: select x, pg_typeof(x) from anyctest(11, '12.2') x; - ^ -select x, pg_typeof(x) from anyctest(variadic array[11, 12]) x; - x | pg_typeof ----------+----------- - {11,12} | integer[] -(1 row) - -select x, pg_typeof(x) from anyctest(variadic array[11, 12.2]) x; - x | pg_typeof ------------+----------- - {11,12.2} | numeric[] -(1 row) - -drop function anyctest(variadic anycompatiblearray); +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/rowtypes.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/rowtypes.out --- /tmp/cirrus-ci-build/src/test/regress/expected/rowtypes.out 2025-06-04 16:00:28.784697000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/rowtypes.out 2025-06-04 16:05:10.992198000 +0000 @@ -1,1396 +1,2 @@ --- --- ROWTYPES --- --- Make both a standalone composite type and a table rowtype -create type complex as (r float8, i float8); -create temp table fullname (first text, last text); --- Nested composite -create type quad as (c1 complex, c2 complex); --- Some simple tests of I/O conversions and row construction -select (1.1,2.2)::complex, row((3.3,4.4),(5.5,null))::quad; - row | row ------------+------------------------ - (1.1,2.2) | ("(3.3,4.4)","(5.5,)") -(1 row) - -select row('Joe', 'Blow')::fullname, '(Joe,Blow)'::fullname; - row | fullname -------------+------------ - (Joe,Blow) | (Joe,Blow) -(1 row) - -select '(Joe,von Blow)'::fullname, '(Joe,d''Blow)'::fullname; - fullname | fullname -------------------+-------------- - (Joe,"von Blow") | (Joe,d'Blow) -(1 row) - -select '(Joe,"von""Blow")'::fullname, E'(Joe,d\\\\Blow)'::fullname; - fullname | fullname --------------------+----------------- - (Joe,"von""Blow") | (Joe,"d\\Blow") -(1 row) - -select '(Joe,"Blow,Jr")'::fullname; - fullname ------------------ - (Joe,"Blow,Jr") -(1 row) - -select '(Joe,)'::fullname; -- ok, null 2nd column - fullname ----------- - (Joe,) -(1 row) - -select '(Joe)'::fullname; -- bad -ERROR: malformed record literal: "(Joe)" -LINE 1: select '(Joe)'::fullname; - ^ -DETAIL: Too few columns. -select '(Joe,,)'::fullname; -- bad -ERROR: malformed record literal: "(Joe,,)" -LINE 1: select '(Joe,,)'::fullname; - ^ -DETAIL: Too many columns. -select '[]'::fullname; -- bad -ERROR: malformed record literal: "[]" -LINE 1: select '[]'::fullname; - ^ -DETAIL: Missing left parenthesis. -select ' (Joe,Blow) '::fullname; -- ok, extra whitespace - fullname ------------- - (Joe,Blow) -(1 row) - -select '(Joe,Blow) /'::fullname; -- bad -ERROR: malformed record literal: "(Joe,Blow) /" -LINE 1: select '(Joe,Blow) /'::fullname; - ^ -DETAIL: Junk after right parenthesis. --- test non-error-throwing API -SELECT pg_input_is_valid('(1,2)', 'complex'); - pg_input_is_valid -------------------- - t -(1 row) - -SELECT pg_input_is_valid('(1,2', 'complex'); - pg_input_is_valid -------------------- - f -(1 row) - -SELECT pg_input_is_valid('(1,zed)', 'complex'); - pg_input_is_valid -------------------- - f -(1 row) - -SELECT * FROM pg_input_error_info('(1,zed)', 'complex'); - message | detail | hint | sql_error_code --------------------------------------------------------+--------+------+---------------- - invalid input syntax for type double precision: "zed" | | | 22P02 -(1 row) - -SELECT * FROM pg_input_error_info('(1,1e400)', 'complex'); - message | detail | hint | sql_error_code ----------------------------------------------------+--------+------+---------------- - "1e400" is out of range for type double precision | | | 22003 -(1 row) - -create temp table quadtable(f1 int, q quad); -insert into quadtable values (1, ((3.3,4.4),(5.5,6.6))); -insert into quadtable values (2, ((null,4.4),(5.5,6.6))); -select * from quadtable; - f1 | q -----+--------------------------- - 1 | ("(3.3,4.4)","(5.5,6.6)") - 2 | ("(,4.4)","(5.5,6.6)") -(2 rows) - -select f1, q.c1 from quadtable; -- fails, q is a table reference -ERROR: missing FROM-clause entry for table "q" -LINE 1: select f1, q.c1 from quadtable; - ^ -select f1, (q).c1, (qq.q).c1.i from quadtable qq; - f1 | c1 | i -----+-----------+----- - 1 | (3.3,4.4) | 4.4 - 2 | (,4.4) | 4.4 -(2 rows) - -create temp table people (fn fullname, bd date); -insert into people values ('(Joe,Blow)', '1984-01-10'); -select * from people; - fn | bd -------------+------------ - (Joe,Blow) | 01-10-1984 -(1 row) - --- at the moment this will not work due to ALTER TABLE inadequacy: -alter table fullname add column suffix text default ''; -ERROR: cannot alter table "fullname" because column "people.fn" uses its row type --- but this should work: -alter table fullname add column suffix text default null; -select * from people; - fn | bd --------------+------------ - (Joe,Blow,) | 01-10-1984 -(1 row) - --- test insertion/updating of subfields -update people set fn.suffix = 'Jr'; -select * from people; - fn | bd ----------------+------------ - (Joe,Blow,Jr) | 01-10-1984 -(1 row) - -insert into quadtable (f1, q.c1.r, q.c2.i) values(44,55,66); -update quadtable set q.c1.r = 12 where f1 = 2; -update quadtable set q.c1 = 12; -- error, type mismatch -ERROR: subfield "c1" is of type complex but expression is of type integer -LINE 1: update quadtable set q.c1 = 12; - ^ -HINT: You will need to rewrite or cast the expression. -select * from quadtable; - f1 | q -----+--------------------------- - 1 | ("(3.3,4.4)","(5.5,6.6)") - 44 | ("(55,)","(,66)") - 2 | ("(12,4.4)","(5.5,6.6)") -(3 rows) - --- The object here is to ensure that toasted references inside --- composite values don't cause problems. The large f1 value will --- be toasted inside pp, it must still work after being copied to people. -create temp table pp (f1 text); -insert into pp values (repeat('abcdefghijkl', 100000)); -insert into people select ('Jim', f1, null)::fullname, current_date from pp; -select (fn).first, substr((fn).last, 1, 20), length((fn).last) from people; - first | substr | length --------+----------------------+--------- - Joe | Blow | 4 - Jim | abcdefghijklabcdefgh | 1200000 -(2 rows) - --- try an update on a toasted composite value, too -update people set fn.first = 'Jack'; -select (fn).first, substr((fn).last, 1, 20), length((fn).last) from people; - first | substr | length --------+----------------------+--------- - Jack | Blow | 4 - Jack | abcdefghijklabcdefgh | 1200000 -(2 rows) - --- Test row comparison semantics. Prior to PG 8.2 we did this in a totally --- non-spec-compliant way. -select ROW(1,2) < ROW(1,3) as true; - true ------- - t -(1 row) - -select ROW(1,2) < ROW(1,1) as false; - false -------- - f -(1 row) - -select ROW(1,2) < ROW(1,NULL) as null; - null ------- - -(1 row) - -select ROW(1,2,3) < ROW(1,3,NULL) as true; -- the NULL is not examined - true ------- - t -(1 row) - -select ROW(11,'ABC') < ROW(11,'DEF') as true; - true ------- - t -(1 row) - -select ROW(11,'ABC') > ROW(11,'DEF') as false; - false -------- - f -(1 row) - -select ROW(12,'ABC') > ROW(11,'DEF') as true; - true ------- - t -(1 row) - --- = and <> have different NULL-behavior than < etc -select ROW(1,2,3) < ROW(1,NULL,4) as null; - null ------- - -(1 row) - -select ROW(1,2,3) = ROW(1,NULL,4) as false; - false -------- - f -(1 row) - -select ROW(1,2,3) <> ROW(1,NULL,4) as true; - true ------- - t -(1 row) - --- We allow operators beyond the six standard ones, if they have btree --- operator classes. -select ROW('ABC','DEF') ~<=~ ROW('DEF','ABC') as true; - true ------- - t -(1 row) - -select ROW('ABC','DEF') ~>=~ ROW('DEF','ABC') as false; - false -------- - f -(1 row) - -select ROW('ABC','DEF') ~~ ROW('DEF','ABC') as fail; -ERROR: could not determine interpretation of row comparison operator ~~ -LINE 1: select ROW('ABC','DEF') ~~ ROW('DEF','ABC') as fail; - ^ -HINT: Row comparison operators must be associated with btree operator families. --- Comparisons of ROW() expressions can cope with some type mismatches -select ROW(1,2) = ROW(1,2::int8); - ?column? ----------- - t -(1 row) - -select ROW(1,2) in (ROW(3,4), ROW(1,2)); - ?column? ----------- - t -(1 row) - -select ROW(1,2) in (ROW(3,4), ROW(1,2::int8)); - ?column? ----------- - t -(1 row) - --- Check row comparison with a subselect -select unique1, unique2 from tenk1 -where (unique1, unique2) < any (select ten, ten from tenk1 where hundred < 3) - and unique1 <= 20 -order by 1; - unique1 | unique2 ----------+--------- - 0 | 9998 - 1 | 2838 -(2 rows) - --- Also check row comparison with an indexable condition -explain (costs off) -select thousand, tenthous from tenk1 -where (thousand, tenthous) >= (997, 5000) -order by thousand, tenthous; - QUERY PLAN ------------------------------------------------------------ - Index Only Scan using tenk1_thous_tenthous on tenk1 - Index Cond: (ROW(thousand, tenthous) >= ROW(997, 5000)) -(2 rows) - -select thousand, tenthous from tenk1 -where (thousand, tenthous) >= (997, 5000) -order by thousand, tenthous; - thousand | tenthous -----------+---------- - 997 | 5997 - 997 | 6997 - 997 | 7997 - 997 | 8997 - 997 | 9997 - 998 | 998 - 998 | 1998 - 998 | 2998 - 998 | 3998 - 998 | 4998 - 998 | 5998 - 998 | 6998 - 998 | 7998 - 998 | 8998 - 998 | 9998 - 999 | 999 - 999 | 1999 - 999 | 2999 - 999 | 3999 - 999 | 4999 - 999 | 5999 - 999 | 6999 - 999 | 7999 - 999 | 8999 - 999 | 9999 -(25 rows) - -explain (costs off) -select thousand, tenthous, four from tenk1 -where (thousand, tenthous, four) > (998, 5000, 3) -order by thousand, tenthous; - QUERY PLAN ------------------------------------------------------------------------ - Sort - Sort Key: thousand, tenthous - -> Bitmap Heap Scan on tenk1 - Filter: (ROW(thousand, tenthous, four) > ROW(998, 5000, 3)) - -> Bitmap Index Scan on tenk1_thous_tenthous - Index Cond: (ROW(thousand, tenthous) >= ROW(998, 5000)) -(6 rows) - -select thousand, tenthous, four from tenk1 -where (thousand, tenthous, four) > (998, 5000, 3) -order by thousand, tenthous; - thousand | tenthous | four -----------+----------+------ - 998 | 5998 | 2 - 998 | 6998 | 2 - 998 | 7998 | 2 - 998 | 8998 | 2 - 998 | 9998 | 2 - 999 | 999 | 3 - 999 | 1999 | 3 - 999 | 2999 | 3 - 999 | 3999 | 3 - 999 | 4999 | 3 - 999 | 5999 | 3 - 999 | 6999 | 3 - 999 | 7999 | 3 - 999 | 8999 | 3 - 999 | 9999 | 3 -(15 rows) - -explain (costs off) -select thousand, tenthous from tenk1 -where (998, 5000) < (thousand, tenthous) -order by thousand, tenthous; - QUERY PLAN ----------------------------------------------------------- - Index Only Scan using tenk1_thous_tenthous on tenk1 - Index Cond: (ROW(thousand, tenthous) > ROW(998, 5000)) -(2 rows) - -select thousand, tenthous from tenk1 -where (998, 5000) < (thousand, tenthous) -order by thousand, tenthous; - thousand | tenthous -----------+---------- - 998 | 5998 - 998 | 6998 - 998 | 7998 - 998 | 8998 - 998 | 9998 - 999 | 999 - 999 | 1999 - 999 | 2999 - 999 | 3999 - 999 | 4999 - 999 | 5999 - 999 | 6999 - 999 | 7999 - 999 | 8999 - 999 | 9999 -(15 rows) - -explain (costs off) -select thousand, hundred from tenk1 -where (998, 5000) < (thousand, hundred) -order by thousand, hundred; - QUERY PLAN ------------------------------------------------------------ - Sort - Sort Key: thousand, hundred - -> Bitmap Heap Scan on tenk1 - Filter: (ROW(998, 5000) < ROW(thousand, hundred)) - -> Bitmap Index Scan on tenk1_thous_tenthous - Index Cond: (thousand >= 998) -(6 rows) - -select thousand, hundred from tenk1 -where (998, 5000) < (thousand, hundred) -order by thousand, hundred; - thousand | hundred -----------+--------- - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 - 999 | 99 -(10 rows) - --- Test case for bug #14010: indexed row comparisons fail with nulls -create temp table test_table (a text, b text); -insert into test_table values ('a', 'b'); -insert into test_table select 'a', null from generate_series(1,1000); -insert into test_table values ('b', 'a'); -create index on test_table (a,b); -set enable_sort = off; -explain (costs off) -select a,b from test_table where (a,b) > ('a','a') order by a,b; - QUERY PLAN --------------------------------------------------------- - Index Only Scan using test_table_a_b_idx on test_table - Index Cond: (ROW(a, b) > ROW('a'::text, 'a'::text)) -(2 rows) - -select a,b from test_table where (a,b) > ('a','a') order by a,b; - a | b ----+--- - a | b - b | a -(2 rows) - -reset enable_sort; --- Check row comparisons with IN -select * from int8_tbl i8 where i8 in (row(123,456)); -- fail, type mismatch -ERROR: cannot compare dissimilar column types bigint and integer at record column 1 -explain (costs off) -select * from int8_tbl i8 -where i8 in (row(123,456)::int8_tbl, '(4567890123456789,123)'); - QUERY PLAN -------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 - Filter: (i8.* = ANY ('{"(123,456)","(4567890123456789,123)"}'::int8_tbl[])) -(2 rows) - -select * from int8_tbl i8 -where i8 in (row(123,456)::int8_tbl, '(4567890123456789,123)'); - q1 | q2 -------------------+----- - 123 | 456 - 4567890123456789 | 123 -(2 rows) - --- Check ability to select columns from an anonymous rowtype -select (row(1, 2.0)).f1; - f1 ----- - 1 -(1 row) - -select (row(1, 2.0)).f2; - f2 ------ - 2.0 -(1 row) - -select (row(1, 2.0)).nosuch; -- fail -ERROR: could not identify column "nosuch" in record data type -LINE 1: select (row(1, 2.0)).nosuch; - ^ -select (row(1, 2.0)).*; - f1 | f2 -----+----- - 1 | 2.0 -(1 row) - -select (r).f1 from (select row(1, 2.0) as r) ss; - f1 ----- - 1 -(1 row) - -select (r).f3 from (select row(1, 2.0) as r) ss; -- fail -ERROR: could not identify column "f3" in record data type -LINE 1: select (r).f3 from (select row(1, 2.0) as r) ss; - ^ -select (r).* from (select row(1, 2.0) as r) ss; - f1 | f2 -----+----- - 1 | 2.0 -(1 row) - --- Check some corner cases involving empty rowtypes -select ROW(); - row ------ - () -(1 row) - -select ROW() IS NULL; - ?column? ----------- - t -(1 row) - -select ROW() = ROW(); -ERROR: cannot compare rows of zero length -LINE 1: select ROW() = ROW(); - ^ --- Check ability to create arrays of anonymous rowtypes -select array[ row(1,2), row(3,4), row(5,6) ]; - array ---------------------------- - {"(1,2)","(3,4)","(5,6)"} -(1 row) - --- Check ability to compare an anonymous row to elements of an array -select row(1,1.1) = any (array[ row(7,7.7), row(1,1.1), row(0,0.0) ]); - ?column? ----------- - t -(1 row) - -select row(1,1.1) = any (array[ row(7,7.7), row(1,1.0), row(0,0.0) ]); - ?column? ----------- - f -(1 row) - --- Check behavior with a non-comparable rowtype -create type cantcompare as (p point, r float8); -create temp table cc (f1 cantcompare); -insert into cc values('("(1,2)",3)'); -insert into cc values('("(4,5)",6)'); -select * from cc order by f1; -- fail, but should complain about cantcompare -ERROR: could not identify an ordering operator for type cantcompare -LINE 1: select * from cc order by f1; - ^ -HINT: Use an explicit ordering operator or modify the query. --- --- Tests for record_{eq,cmp} --- -create type testtype1 as (a int, b int); --- all true -select row(1, 2)::testtype1 < row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 <= row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 = row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 <> row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 3)::testtype1 >= row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 3)::testtype1 > row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - --- all false -select row(1, -2)::testtype1 < row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 <= row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 = row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 <> row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -3)::testtype1 >= row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -3)::testtype1 > row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - --- true, but see *< below -select row(1, -2)::testtype1 < row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - --- mismatches -create type testtype3 as (a int, b text); -select row(1, 2)::testtype1 < row(1, 'abc')::testtype3; -ERROR: cannot compare dissimilar column types integer and text at record column 2 -select row(1, 2)::testtype1 <> row(1, 'abc')::testtype3; -ERROR: cannot compare dissimilar column types integer and text at record column 2 -create type testtype5 as (a int); -select row(1, 2)::testtype1 < row(1)::testtype5; -ERROR: cannot compare record types with different numbers of columns -select row(1, 2)::testtype1 <> row(1)::testtype5; -ERROR: cannot compare record types with different numbers of columns --- non-comparable types -create type testtype6 as (a int, b point); -select row(1, '(1,2)')::testtype6 < row(1, '(1,3)')::testtype6; -ERROR: could not identify a comparison function for type point -select row(1, '(1,2)')::testtype6 <> row(1, '(1,3)')::testtype6; -ERROR: could not identify an equality operator for type point -drop type testtype1, testtype3, testtype5, testtype6; --- --- Tests for record_image_{eq,cmp} --- -create type testtype1 as (a int, b int); --- all true -select row(1, 2)::testtype1 *< row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 *<= row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 *= row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 2)::testtype1 *<> row(1, 3)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 3)::testtype1 *>= row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - -select row(1, 3)::testtype1 *> row(1, 2)::testtype1; - ?column? ----------- - t -(1 row) - --- all false -select row(1, -2)::testtype1 *< row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 *<= row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 *= row(1, -3)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -2)::testtype1 *<> row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -3)::testtype1 *>= row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - -select row(1, -3)::testtype1 *> row(1, -2)::testtype1; - ?column? ----------- - f -(1 row) - --- This returns the "wrong" order because record_image_cmp works on --- unsigned datums without knowing about the actual data type. -select row(1, -2)::testtype1 *< row(1, 3)::testtype1; - ?column? ----------- - f -(1 row) - --- other types -create type testtype2 as (a smallint, b bool); -- byval different sizes -select row(1, true)::testtype2 *< row(2, true)::testtype2; - ?column? ----------- - t -(1 row) - -select row(-2, true)::testtype2 *< row(-1, true)::testtype2; - ?column? ----------- - t -(1 row) - -select row(0, false)::testtype2 *< row(0, true)::testtype2; - ?column? ----------- - t -(1 row) - -select row(0, false)::testtype2 *<> row(0, true)::testtype2; - ?column? ----------- - t -(1 row) - -create type testtype3 as (a int, b text); -- variable length -select row(1, 'abc')::testtype3 *< row(1, 'abd')::testtype3; - ?column? ----------- - t -(1 row) - -select row(1, 'abc')::testtype3 *< row(1, 'abcd')::testtype3; - ?column? ----------- - t -(1 row) - -select row(1, 'abc')::testtype3 *> row(1, 'abd')::testtype3; - ?column? ----------- - f -(1 row) - -select row(1, 'abc')::testtype3 *<> row(1, 'abd')::testtype3; - ?column? ----------- - t -(1 row) - -create type testtype4 as (a int, b point); -- by ref, fixed length -select row(1, '(1,2)')::testtype4 *< row(1, '(1,3)')::testtype4; - ?column? ----------- - t -(1 row) - -select row(1, '(1,2)')::testtype4 *<> row(1, '(1,3)')::testtype4; - ?column? ----------- - t -(1 row) - --- mismatches -select row(1, 2)::testtype1 *< row(1, 'abc')::testtype3; -ERROR: cannot compare dissimilar column types integer and text at record column 2 -select row(1, 2)::testtype1 *<> row(1, 'abc')::testtype3; -ERROR: cannot compare dissimilar column types integer and text at record column 2 -create type testtype5 as (a int); -select row(1, 2)::testtype1 *< row(1)::testtype5; -ERROR: cannot compare record types with different numbers of columns -select row(1, 2)::testtype1 *<> row(1)::testtype5; -ERROR: cannot compare record types with different numbers of columns --- non-comparable types -create type testtype6 as (a int, b point); -select row(1, '(1,2)')::testtype6 *< row(1, '(1,3)')::testtype6; - ?column? ----------- - t -(1 row) - -select row(1, '(1,2)')::testtype6 *>= row(1, '(1,3)')::testtype6; - ?column? ----------- - f -(1 row) - -select row(1, '(1,2)')::testtype6 *<> row(1, '(1,3)')::testtype6; - ?column? ----------- - t -(1 row) - --- anonymous rowtypes in coldeflists -select q.a, q.b = row(2), q.c = array[row(3)], q.d = row(row(4)) from - unnest(array[row(1, row(2), array[row(3)], row(row(4))), - row(2, row(3), array[row(4)], row(row(5)))]) - as q(a int, b record, c record[], d record); - a | ?column? | ?column? | ?column? ----+----------+----------+---------- - 1 | t | t | t - 2 | f | f | f -(2 rows) - -drop type testtype1, testtype2, testtype3, testtype4, testtype5, testtype6; --- --- Test case derived from bug #5716: check multiple uses of a rowtype result --- -BEGIN; -CREATE TABLE price ( - id SERIAL PRIMARY KEY, - active BOOLEAN NOT NULL, - price NUMERIC -); -CREATE TYPE price_input AS ( - id INTEGER, - price NUMERIC -); -CREATE TYPE price_key AS ( - id INTEGER -); -CREATE FUNCTION price_key_from_table(price) RETURNS price_key AS $$ - SELECT $1.id -$$ LANGUAGE SQL; -CREATE FUNCTION price_key_from_input(price_input) RETURNS price_key AS $$ - SELECT $1.id -$$ LANGUAGE SQL; -insert into price values (1,false,42), (10,false,100), (11,true,17.99); -UPDATE price - SET active = true, price = input_prices.price - FROM unnest(ARRAY[(10, 123.00), (11, 99.99)]::price_input[]) input_prices - WHERE price_key_from_table(price.*) = price_key_from_input(input_prices.*); -select * from price; - id | active | price -----+--------+-------- - 1 | f | 42 - 10 | t | 123.00 - 11 | t | 99.99 -(3 rows) - -rollback; --- --- Test case derived from bug #9085: check * qualification of composite --- parameters for SQL functions --- -create temp table compos (f1 int, f2 text); -create function fcompos1(v compos) returns void as $$ -insert into compos values (v); -- fail -$$ language sql; -ERROR: column "f1" is of type integer but expression is of type compos -LINE 2: insert into compos values (v); -- fail - ^ -HINT: You will need to rewrite or cast the expression. -create function fcompos1(v compos) returns void as $$ -insert into compos values (v.*); -$$ language sql; -create function fcompos2(v compos) returns void as $$ -select fcompos1(v); -$$ language sql; -create function fcompos3(v compos) returns void as $$ -select fcompos1(fcompos3.v.*); -$$ language sql; -select fcompos1(row(1,'one')); - fcompos1 ----------- - -(1 row) - -select fcompos2(row(2,'two')); - fcompos2 ----------- - -(1 row) - -select fcompos3(row(3,'three')); - fcompos3 ----------- - -(1 row) - -select * from compos; - f1 | f2 -----+------- - 1 | one - 2 | two - 3 | three -(3 rows) - --- --- We allow I/O conversion casts from composite types to strings to be --- invoked via cast syntax, but not functional syntax. This is because --- the latter is too prone to be invoked unintentionally. --- -select cast (fullname as text) from fullname; - fullname ----------- -(0 rows) - -select fullname::text from fullname; - fullname ----------- -(0 rows) - -select text(fullname) from fullname; -- error -ERROR: function text(fullname) does not exist -LINE 1: select text(fullname) from fullname; - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select fullname.text from fullname; -- error -ERROR: column fullname.text does not exist -LINE 1: select fullname.text from fullname; - ^ --- same, but RECORD instead of named composite type: -select cast (row('Jim', 'Beam') as text); - row ------------- - (Jim,Beam) -(1 row) - -select (row('Jim', 'Beam'))::text; - row ------------- - (Jim,Beam) -(1 row) - -select text(row('Jim', 'Beam')); -- error -ERROR: function text(record) does not exist -LINE 1: select text(row('Jim', 'Beam')); - ^ -HINT: No function matches the given name and argument types. You might need to add explicit type casts. -select (row('Jim', 'Beam')).text; -- error -ERROR: could not identify column "text" in record data type -LINE 1: select (row('Jim', 'Beam')).text; - ^ --- --- Check the equivalence of functional and column notation --- -insert into fullname values ('Joe', 'Blow'); -select f.last from fullname f; - last ------- - Blow -(1 row) - -select last(f) from fullname f; - last ------- - Blow -(1 row) - -create function longname(fullname) returns text language sql -as $$select $1.first || ' ' || $1.last$$; -select f.longname from fullname f; - longname ----------- - Joe Blow -(1 row) - -select longname(f) from fullname f; - longname ----------- - Joe Blow -(1 row) - --- Starting in v11, the notational form does matter if there's ambiguity -alter table fullname add column longname text; -select f.longname from fullname f; - longname ----------- - -(1 row) - -select longname(f) from fullname f; - longname ----------- - Joe Blow -(1 row) - --- --- Test that composite values are seen to have the correct column names --- (bug #11210 and other reports) --- -select row_to_json(i) from int8_tbl i; - row_to_json ------------------------------------------------- - {"q1":123,"q2":456} - {"q1":123,"q2":4567890123456789} - {"q1":4567890123456789,"q2":123} - {"q1":4567890123456789,"q2":4567890123456789} - {"q1":4567890123456789,"q2":-4567890123456789} -(5 rows) - --- since "i" is of type "int8_tbl", attaching aliases doesn't change anything: -select row_to_json(i) from int8_tbl i(x,y); - row_to_json ------------------------------------------------- - {"q1":123,"q2":456} - {"q1":123,"q2":4567890123456789} - {"q1":4567890123456789,"q2":123} - {"q1":4567890123456789,"q2":4567890123456789} - {"q1":4567890123456789,"q2":-4567890123456789} -(5 rows) - --- in these examples, we'll report the exposed column names of the subselect: -select row_to_json(ss) from - (select q1, q2 from int8_tbl) as ss; - row_to_json ------------------------------------------------- - {"q1":123,"q2":456} - {"q1":123,"q2":4567890123456789} - {"q1":4567890123456789,"q2":123} - {"q1":4567890123456789,"q2":4567890123456789} - {"q1":4567890123456789,"q2":-4567890123456789} -(5 rows) - -select row_to_json(ss) from - (select q1, q2 from int8_tbl offset 0) as ss; - row_to_json ------------------------------------------------- - {"q1":123,"q2":456} - {"q1":123,"q2":4567890123456789} - {"q1":4567890123456789,"q2":123} - {"q1":4567890123456789,"q2":4567890123456789} - {"q1":4567890123456789,"q2":-4567890123456789} -(5 rows) - -select row_to_json(ss) from - (select q1 as a, q2 as b from int8_tbl) as ss; - row_to_json ----------------------------------------------- - {"a":123,"b":456} - {"a":123,"b":4567890123456789} - {"a":4567890123456789,"b":123} - {"a":4567890123456789,"b":4567890123456789} - {"a":4567890123456789,"b":-4567890123456789} -(5 rows) - -select row_to_json(ss) from - (select q1 as a, q2 as b from int8_tbl offset 0) as ss; - row_to_json ----------------------------------------------- - {"a":123,"b":456} - {"a":123,"b":4567890123456789} - {"a":4567890123456789,"b":123} - {"a":4567890123456789,"b":4567890123456789} - {"a":4567890123456789,"b":-4567890123456789} -(5 rows) - -select row_to_json(ss) from - (select q1 as a, q2 as b from int8_tbl) as ss(x,y); - row_to_json ----------------------------------------------- - {"x":123,"y":456} - {"x":123,"y":4567890123456789} - {"x":4567890123456789,"y":123} - {"x":4567890123456789,"y":4567890123456789} - {"x":4567890123456789,"y":-4567890123456789} -(5 rows) - -select row_to_json(ss) from - (select q1 as a, q2 as b from int8_tbl offset 0) as ss(x,y); - row_to_json ----------------------------------------------- - {"x":123,"y":456} - {"x":123,"y":4567890123456789} - {"x":4567890123456789,"y":123} - {"x":4567890123456789,"y":4567890123456789} - {"x":4567890123456789,"y":-4567890123456789} -(5 rows) - -explain (costs off) -select row_to_json(q) from - (select thousand, tenthous from tenk1 - where thousand = 42 and tenthous < 2000 offset 0) q; - QUERY PLAN -------------------------------------------------------------- - Subquery Scan on q - -> Index Only Scan using tenk1_thous_tenthous on tenk1 - Index Cond: ((thousand = 42) AND (tenthous < 2000)) -(3 rows) - -select row_to_json(q) from - (select thousand, tenthous from tenk1 - where thousand = 42 and tenthous < 2000 offset 0) q; - row_to_json ---------------------------------- - {"thousand":42,"tenthous":42} - {"thousand":42,"tenthous":1042} -(2 rows) - -select row_to_json(q) from - (select thousand as x, tenthous as y from tenk1 - where thousand = 42 and tenthous < 2000 offset 0) q; - row_to_json -------------------- - {"x":42,"y":42} - {"x":42,"y":1042} -(2 rows) - -select row_to_json(q) from - (select thousand as x, tenthous as y from tenk1 - where thousand = 42 and tenthous < 2000 offset 0) q(a,b); - row_to_json -------------------- - {"a":42,"b":42} - {"a":42,"b":1042} -(2 rows) - -create temp table tt1 as select * from int8_tbl limit 2; -create temp table tt2 () inherits(tt1); -insert into tt2 values(0,0); -select row_to_json(r) from (select q2,q1 from tt1 offset 0) r; - row_to_json ----------------------------------- - {"q2":456,"q1":123} - {"q2":4567890123456789,"q1":123} - {"q2":0,"q1":0} -(3 rows) - --- check no-op rowtype conversions -create temp table tt3 () inherits(tt2); -insert into tt3 values(33,44); -select row_to_json(tt3::tt2::tt1) from tt3; - row_to_json -------------------- - {"q1":33,"q2":44} -(1 row) - --- --- IS [NOT] NULL should not recurse into nested composites (bug #14235) --- -explain (verbose, costs off) -select r, r is null as isnull, r is not null as isnotnull -from (values (1,row(1,2)), (1,row(null,null)), (1,null), - (null,row(1,2)), (null,row(null,null)), (null,null) ) r(a,b); - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Values Scan on "*VALUES*" - Output: ROW("*VALUES*".column1, "*VALUES*".column2), (("*VALUES*".column1 IS NULL) AND ("*VALUES*".column2 IS NOT DISTINCT FROM NULL)), (("*VALUES*".column1 IS NOT NULL) AND ("*VALUES*".column2 IS DISTINCT FROM NULL)) -(2 rows) - -select r, r is null as isnull, r is not null as isnotnull -from (values (1,row(1,2)), (1,row(null,null)), (1,null), - (null,row(1,2)), (null,row(null,null)), (null,null) ) r(a,b); - r | isnull | isnotnull --------------+--------+----------- - (1,"(1,2)") | f | t - (1,"(,)") | f | t - (1,) | f | f - (,"(1,2)") | f | f - (,"(,)") | f | f - (,) | t | f -(6 rows) - -explain (verbose, costs off) -with r(a,b) as materialized - (values (1,row(1,2)), (1,row(null,null)), (1,null), - (null,row(1,2)), (null,row(null,null)), (null,null) ) -select r, r is null as isnull, r is not null as isnotnull from r; - QUERY PLAN ----------------------------------------------------------- - CTE Scan on r - Output: r.*, (r.* IS NULL), (r.* IS NOT NULL) - CTE r - -> Values Scan on "*VALUES*" - Output: "*VALUES*".column1, "*VALUES*".column2 -(5 rows) - -with r(a,b) as materialized - (values (1,row(1,2)), (1,row(null,null)), (1,null), - (null,row(1,2)), (null,row(null,null)), (null,null) ) -select r, r is null as isnull, r is not null as isnotnull from r; - r | isnull | isnotnull --------------+--------+----------- - (1,"(1,2)") | f | t - (1,"(,)") | f | t - (1,) | f | f - (,"(1,2)") | f | f - (,"(,)") | f | f - (,) | t | f -(6 rows) - --- --- Check parsing of indirect references to composite values (bug #18077) --- -explain (verbose, costs off) -with cte(c) as materialized (select row(1, 2)), - cte2(c) as (select * from cte) -select * from cte2 as t -where (select * from (select c as c1) s - where (select (c1).f1 > 0)) is not null; - QUERY PLAN ----------------------------------------------- - CTE Scan on cte - Output: cte.c - Filter: ((SubPlan 3) IS NOT NULL) - CTE cte - -> Result - Output: '(1,2)'::record - SubPlan 3 - -> Result - Output: cte.c - One-Time Filter: (InitPlan 2).col1 - InitPlan 2 - -> Result - Output: ((cte.c).f1 > 0) -(13 rows) - -with cte(c) as materialized (select row(1, 2)), - cte2(c) as (select * from cte) -select * from cte2 as t -where (select * from (select c as c1) s - where (select (c1).f1 > 0)) is not null; - c -------- - (1,2) -(1 row) - --- Also check deparsing of such cases -create view composite_v as -with cte(c) as materialized (select row(1, 2)), - cte2(c) as (select * from cte) -select 1 as one from cte2 as t -where (select * from (select c as c1) s - where (select (c1).f1 > 0)) is not null; -select pg_get_viewdef('composite_v', true); - pg_get_viewdef --------------------------------------------------------- - WITH cte(c) AS MATERIALIZED ( + - SELECT ROW(1, 2) AS "row" + - ), cte2(c) AS ( + - SELECT cte.c + - FROM cte + - ) + - SELECT 1 AS one + - FROM cte2 t + - WHERE (( SELECT s.c1 + - FROM ( SELECT t.c AS c1) s + - WHERE ( SELECT (s.c1).f1 > 0))) IS NOT NULL; -(1 row) - -drop view composite_v; --- --- Check cases where the composite comes from a proven-dummy rel (bug #18576) --- -explain (verbose, costs off) -select (ss.a).x, (ss.a).n from - (select information_schema._pg_expandarray(array[1,2]) AS a) ss; - QUERY PLAN ------------------------------------------------------------------------- - Subquery Scan on ss - Output: (ss.a).x, (ss.a).n - -> ProjectSet - Output: information_schema._pg_expandarray('{1,2}'::integer[]) - -> Result -(5 rows) - -explain (verbose, costs off) -select (ss.a).x, (ss.a).n from - (select information_schema._pg_expandarray(array[1,2]) AS a) ss -where false; - QUERY PLAN --------------------------- - Result - Output: (a).f1, (a).f2 - One-Time Filter: false -(3 rows) - -explain (verbose, costs off) -with cte(c) as materialized (select row(1, 2)), - cte2(c) as (select * from cte) -select (c).f1 from cte2 as t; - QUERY PLAN ------------------------------------ - CTE Scan on cte - Output: (cte.c).f1 - CTE cte - -> Result - Output: '(1,2)'::record -(5 rows) - -explain (verbose, costs off) -with cte(c) as materialized (select row(1, 2)), - cte2(c) as (select * from cte) -select (c).f1 from cte2 as t -where false; - QUERY PLAN ------------------------------------ - Result - Output: (cte.c).f1 - One-Time Filter: false - CTE cte - -> Result - Output: '(1,2)'::record -(6 rows) - --- --- Tests for component access / FieldSelect --- -CREATE TABLE compositetable(a text, b text); -INSERT INTO compositetable(a, b) VALUES('fa', 'fb'); --- composite type columns can't directly be accessed (error) -SELECT d.a FROM (SELECT compositetable AS d FROM compositetable) s; -ERROR: missing FROM-clause entry for table "d" -LINE 1: SELECT d.a FROM (SELECT compositetable AS d FROM compositeta... - ^ --- but can be accessed with proper parens -SELECT (d).a, (d).b FROM (SELECT compositetable AS d FROM compositetable) s; - a | b -----+---- - fa | fb -(1 row) - --- system columns can't be accessed in composite types (error) -SELECT (d).ctid FROM (SELECT compositetable AS d FROM compositetable) s; -ERROR: column "ctid" not found in data type compositetable -LINE 1: SELECT (d).ctid FROM (SELECT compositetable AS d FROM compos... - ^ --- accessing non-existing column in NULL datum errors out -SELECT (NULL::compositetable).nonexistent; -ERROR: column "nonexistent" not found in data type compositetable -LINE 1: SELECT (NULL::compositetable).nonexistent; - ^ --- existing column in a NULL composite yield NULL -SELECT (NULL::compositetable).a; - a ---- - -(1 row) - --- oids can't be accessed in composite types (error) -SELECT (NULL::compositetable).oid; -ERROR: column "oid" not found in data type compositetable -LINE 1: SELECT (NULL::compositetable).oid; - ^ -DROP TABLE compositetable; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/returning.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/returning.out --- /tmp/cirrus-ci-build/src/test/regress/expected/returning.out 2025-06-04 16:00:28.782805000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/returning.out 2025-06-04 16:05:10.999989000 +0000 @@ -1,988 +1,2 @@ --- --- Test INSERT/UPDATE/DELETE RETURNING --- --- Simple cases -CREATE TEMP TABLE foo (f1 serial, f2 text, f3 int default 42); -INSERT INTO foo (f2,f3) - VALUES ('test', DEFAULT), ('More', 11), (upper('more'), 7+9) - RETURNING *, f1+f3 AS sum; - f1 | f2 | f3 | sum -----+------+----+----- - 1 | test | 42 | 43 - 2 | More | 11 | 13 - 3 | MORE | 16 | 19 -(3 rows) - -SELECT * FROM foo; - f1 | f2 | f3 -----+------+---- - 1 | test | 42 - 2 | More | 11 - 3 | MORE | 16 -(3 rows) - -UPDATE foo SET f2 = lower(f2), f3 = DEFAULT RETURNING foo.*, f1+f3 AS sum13; - f1 | f2 | f3 | sum13 -----+------+----+------- - 1 | test | 42 | 43 - 2 | more | 42 | 44 - 3 | more | 42 | 45 -(3 rows) - -SELECT * FROM foo; - f1 | f2 | f3 -----+------+---- - 1 | test | 42 - 2 | more | 42 - 3 | more | 42 -(3 rows) - -DELETE FROM foo WHERE f1 > 2 RETURNING f3, f2, f1, least(f1,f3); - f3 | f2 | f1 | least -----+------+----+------- - 42 | more | 3 | 3 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 -----+------+---- - 1 | test | 42 - 2 | more | 42 -(2 rows) - --- Subplans and initplans in the RETURNING list -INSERT INTO foo SELECT f1+10, f2, f3+99 FROM foo - RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan, - EXISTS(SELECT * FROM int4_tbl) AS initplan; - f1 | f2 | f3 | subplan | initplan -----+------+-----+---------+---------- - 11 | test | 141 | t | t - 12 | more | 141 | f | t -(2 rows) - -UPDATE foo SET f3 = f3 * 2 - WHERE f1 > 10 - RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan, - EXISTS(SELECT * FROM int4_tbl) AS initplan; - f1 | f2 | f3 | subplan | initplan -----+------+-----+---------+---------- - 11 | test | 282 | t | t - 12 | more | 282 | f | t -(2 rows) - -DELETE FROM foo - WHERE f1 > 10 - RETURNING *, f1+112 IN (SELECT q1 FROM int8_tbl) AS subplan, - EXISTS(SELECT * FROM int4_tbl) AS initplan; - f1 | f2 | f3 | subplan | initplan -----+------+-----+---------+---------- - 11 | test | 282 | t | t - 12 | more | 282 | f | t -(2 rows) - --- Joins -UPDATE foo SET f3 = f3*2 - FROM int4_tbl i - WHERE foo.f1 + 123455 = i.f1 - RETURNING foo.*, i.f1 as "i.f1"; - f1 | f2 | f3 | i.f1 -----+------+----+-------- - 1 | test | 84 | 123456 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 -----+------+---- - 2 | more | 42 - 1 | test | 84 -(2 rows) - -DELETE FROM foo - USING int4_tbl i - WHERE foo.f1 + 123455 = i.f1 - RETURNING foo.*, i.f1 as "i.f1"; - f1 | f2 | f3 | i.f1 -----+------+----+-------- - 1 | test | 84 | 123456 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 -----+------+---- - 2 | more | 42 -(1 row) - --- Check inheritance cases -CREATE TEMP TABLE foochild (fc int) INHERITS (foo); -INSERT INTO foochild VALUES(123,'child',999,-123); -ALTER TABLE foo ADD COLUMN f4 int8 DEFAULT 99; -SELECT * FROM foo; - f1 | f2 | f3 | f4 ------+-------+-----+---- - 2 | more | 42 | 99 - 123 | child | 999 | 99 -(2 rows) - -SELECT * FROM foochild; - f1 | f2 | f3 | fc | f4 ------+-------+-----+------+---- - 123 | child | 999 | -123 | 99 -(1 row) - -UPDATE foo SET f4 = f4 + f3 WHERE f4 = 99 RETURNING *; - f1 | f2 | f3 | f4 ------+-------+-----+------ - 2 | more | 42 | 141 - 123 | child | 999 | 1098 -(2 rows) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 ------+-------+-----+------ - 2 | more | 42 | 141 - 123 | child | 999 | 1098 -(2 rows) - -SELECT * FROM foochild; - f1 | f2 | f3 | fc | f4 ------+-------+-----+------+------ - 123 | child | 999 | -123 | 1098 -(1 row) - -UPDATE foo SET f3 = f3*2 - FROM int8_tbl i - WHERE foo.f1 = i.q2 - RETURNING *; - f1 | f2 | f3 | f4 | q1 | q2 ------+-------+------+------+------------------+----- - 123 | child | 1998 | 1098 | 4567890123456789 | 123 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 ------+-------+------+------ - 2 | more | 42 | 141 - 123 | child | 1998 | 1098 -(2 rows) - -SELECT * FROM foochild; - f1 | f2 | f3 | fc | f4 ------+-------+------+------+------ - 123 | child | 1998 | -123 | 1098 -(1 row) - -DELETE FROM foo - USING int8_tbl i - WHERE foo.f1 = i.q2 - RETURNING *; - f1 | f2 | f3 | f4 | q1 | q2 ------+-------+------+------+------------------+----- - 123 | child | 1998 | 1098 | 4567890123456789 | 123 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 -(1 row) - -SELECT * FROM foochild; - f1 | f2 | f3 | fc | f4 -----+----+----+----+---- -(0 rows) - -DROP TABLE foochild; --- Rules and views -CREATE TEMP VIEW voo AS SELECT f1, f2 FROM foo; -CREATE RULE voo_i AS ON INSERT TO voo DO INSTEAD - INSERT INTO foo VALUES(new.*, 57); -INSERT INTO voo VALUES(11,'zit'); --- fails: -INSERT INTO voo VALUES(12,'zoo') RETURNING *, f1*2; -ERROR: cannot perform INSERT RETURNING on relation "voo" -HINT: You need an unconditional ON INSERT DO INSTEAD rule with a RETURNING clause. --- fails, incompatible list: -CREATE OR REPLACE RULE voo_i AS ON INSERT TO voo DO INSTEAD - INSERT INTO foo VALUES(new.*, 57) RETURNING *; -ERROR: RETURNING list has too many entries -CREATE OR REPLACE RULE voo_i AS ON INSERT TO voo DO INSTEAD - INSERT INTO foo VALUES(new.*, 57) RETURNING f1, f2; --- should still work -INSERT INTO voo VALUES(13,'zit2'); --- works now -INSERT INTO voo VALUES(14,'zoo2') RETURNING *; - f1 | f2 -----+------ - 14 | zoo2 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 11 | zit | 57 | 99 - 13 | zit2 | 57 | 99 - 14 | zoo2 | 57 | 99 -(4 rows) - -SELECT * FROM voo; - f1 | f2 -----+------ - 2 | more - 11 | zit - 13 | zit2 - 14 | zoo2 -(4 rows) - -CREATE OR REPLACE RULE voo_u AS ON UPDATE TO voo DO INSTEAD - UPDATE foo SET f1 = new.f1, f2 = new.f2 WHERE f1 = old.f1 - RETURNING f1, f2; -update voo set f1 = f1 + 1 where f2 = 'zoo2'; -update voo set f1 = f1 + 1 where f2 = 'zoo2' RETURNING *, f1*2; - f1 | f2 | ?column? -----+------+---------- - 16 | zoo2 | 32 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 11 | zit | 57 | 99 - 13 | zit2 | 57 | 99 - 16 | zoo2 | 57 | 99 -(4 rows) - -SELECT * FROM voo; - f1 | f2 -----+------ - 2 | more - 11 | zit - 13 | zit2 - 16 | zoo2 -(4 rows) - -CREATE OR REPLACE RULE voo_d AS ON DELETE TO voo DO INSTEAD - DELETE FROM foo WHERE f1 = old.f1 - RETURNING f1, f2; -DELETE FROM foo WHERE f1 = 13; -DELETE FROM foo WHERE f2 = 'zit' RETURNING *; - f1 | f2 | f3 | f4 -----+-----+----+---- - 11 | zit | 57 | 99 -(1 row) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 16 | zoo2 | 57 | 99 -(2 rows) - -SELECT * FROM voo; - f1 | f2 -----+------ - 2 | more - 16 | zoo2 -(2 rows) - --- Check use of a whole-row variable for an un-flattenable view -CREATE TEMP VIEW foo_v AS SELECT * FROM foo OFFSET 0; -UPDATE foo SET f2 = foo_v.f2 FROM foo_v WHERE foo_v.f1 = foo.f1 - RETURNING foo_v; - foo_v ------------------ - (2,more,42,141) - (16,zoo2,57,99) -(2 rows) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 16 | zoo2 | 57 | 99 -(2 rows) - --- Check use of a whole-row variable for an inlined set-returning function -CREATE FUNCTION foo_f() RETURNS SETOF foo AS - $$ SELECT * FROM foo OFFSET 0 $$ LANGUAGE sql STABLE; -UPDATE foo SET f2 = foo_f.f2 FROM foo_f() WHERE foo_f.f1 = foo.f1 - RETURNING foo_f; - foo_f ------------------ - (2,more,42,141) - (16,zoo2,57,99) -(2 rows) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 16 | zoo2 | 57 | 99 -(2 rows) - -DROP FUNCTION foo_f(); --- As above, but SRF is defined to return a composite type -CREATE TYPE foo_t AS (f1 int, f2 text, f3 int, f4 int8); -CREATE FUNCTION foo_f() RETURNS SETOF foo_t AS - $$ SELECT * FROM foo OFFSET 0 $$ LANGUAGE sql STABLE; -UPDATE foo SET f2 = foo_f.f2 FROM foo_f() WHERE foo_f.f1 = foo.f1 - RETURNING foo_f; - foo_f ------------------ - (2,more,42,141) - (16,zoo2,57,99) -(2 rows) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 16 | zoo2 | 57 | 99 -(2 rows) - -DROP FUNCTION foo_f(); -DROP TYPE foo_t; --- Try a join case -CREATE TEMP TABLE joinme (f2j text, other int); -INSERT INTO joinme VALUES('more', 12345); -INSERT INTO joinme VALUES('zoo2', 54321); -INSERT INTO joinme VALUES('other', 0); -CREATE TEMP VIEW joinview AS - SELECT foo.*, other FROM foo JOIN joinme ON (f2 = f2j); -SELECT * FROM joinview; - f1 | f2 | f3 | f4 | other -----+------+----+-----+------- - 2 | more | 42 | 141 | 12345 - 16 | zoo2 | 57 | 99 | 54321 -(2 rows) - -CREATE RULE joinview_u AS ON UPDATE TO joinview DO INSTEAD - UPDATE foo SET f1 = new.f1, f3 = new.f3 - FROM joinme WHERE f2 = f2j AND f2 = old.f2 - RETURNING foo.*, other; -UPDATE joinview SET f1 = f1 + 1 WHERE f3 = 57 RETURNING *, other + 1; - f1 | f2 | f3 | f4 | other | ?column? -----+------+----+----+-------+---------- - 17 | zoo2 | 57 | 99 | 54321 | 54322 -(1 row) - -SELECT * FROM joinview; - f1 | f2 | f3 | f4 | other -----+------+----+-----+------- - 2 | more | 42 | 141 | 12345 - 17 | zoo2 | 57 | 99 | 54321 -(2 rows) - -SELECT * FROM foo; - f1 | f2 | f3 | f4 -----+------+----+----- - 2 | more | 42 | 141 - 17 | zoo2 | 57 | 99 -(2 rows) - -SELECT * FROM voo; - f1 | f2 -----+------ - 2 | more - 17 | zoo2 -(2 rows) - --- Check aliased target relation -INSERT INTO foo AS bar DEFAULT VALUES RETURNING *; -- ok - f1 | f2 | f3 | f4 -----+----+----+---- - 4 | | 42 | 99 -(1 row) - -INSERT INTO foo AS bar DEFAULT VALUES RETURNING foo.*; -- fails, wrong name -ERROR: invalid reference to FROM-clause entry for table "foo" -LINE 1: INSERT INTO foo AS bar DEFAULT VALUES RETURNING foo.*; - ^ -HINT: Perhaps you meant to reference the table alias "bar". -INSERT INTO foo AS bar DEFAULT VALUES RETURNING bar.*; -- ok - f1 | f2 | f3 | f4 -----+----+----+---- - 5 | | 42 | 99 -(1 row) - -INSERT INTO foo AS bar DEFAULT VALUES RETURNING bar.f3; -- ok - f3 ----- - 42 -(1 row) - --- --- Test RETURNING OLD/NEW. --- --- Start with new data, to ensure predictable TIDs. --- -TRUNCATE foo; -INSERT INTO foo VALUES (1, 'xxx', 10, 20), (2, 'more', 42, 141), (3, 'zoo2', 57, 99); --- Error cases -INSERT INTO foo DEFAULT VALUES RETURNING WITH (nonsuch AS something) *; -ERROR: syntax error at or near "nonsuch" -LINE 1: INSERT INTO foo DEFAULT VALUES RETURNING WITH (nonsuch AS so... - ^ -INSERT INTO foo DEFAULT VALUES RETURNING WITH (new AS foo) *; -ERROR: table name "foo" specified more than once -LINE 1: INSERT INTO foo DEFAULT VALUES RETURNING WITH (new AS foo) *... - ^ -INSERT INTO foo DEFAULT VALUES RETURNING WITH (old AS o, new AS n, old AS o) *; -ERROR: OLD cannot be specified multiple times -LINE 1: ...EFAULT VALUES RETURNING WITH (old AS o, new AS n, old AS o) ... - ^ -INSERT INTO foo DEFAULT VALUES RETURNING WITH (old AS o, new AS n, new AS n) *; -ERROR: NEW cannot be specified multiple times -LINE 1: ...EFAULT VALUES RETURNING WITH (old AS o, new AS n, new AS n) ... - ^ -INSERT INTO foo DEFAULT VALUES RETURNING WITH (old AS x, new AS x) *; -ERROR: table name "x" specified more than once -LINE 1: ...INTO foo DEFAULT VALUES RETURNING WITH (old AS x, new AS x) ... - ^ --- INSERT has NEW, but not OLD -EXPLAIN (verbose, costs off) -INSERT INTO foo VALUES (4) - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Insert on pg_temp.foo - Output: (old.tableoid)::regclass, old.ctid, old.f1, old.f2, old.f3, old.f4, (new.tableoid)::regclass, new.ctid, new.f1, new.f2, new.f3, new.f4, foo.f1, foo.f2, foo.f3, foo.f4 - -> Result - Output: 4, NULL::text, 42, '99'::bigint -(4 rows) - -INSERT INTO foo VALUES (4) - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | f1 | f2 | f3 | f4 | tableoid | ctid | f1 | f2 | f3 | f4 | f1 | f2 | f3 | f4 -----------+------+----+----+----+----+----------+-------+----+----+----+----+----+----+----+---- - | | | | | | foo | (0,4) | 4 | | 42 | 99 | 4 | | 42 | 99 -(1 row) - --- INSERT ... ON CONFLICT ... UPDATE has OLD and NEW -CREATE UNIQUE INDEX foo_f1_idx ON foo (f1); -EXPLAIN (verbose, costs off) -INSERT INTO foo VALUES (4, 'conflict'), (5, 'ok') - ON CONFLICT (f1) DO UPDATE SET f2 = excluded.f2||'ed', f3 = -1 - RETURNING WITH (OLD AS o, NEW AS n) - o.tableoid::regclass, o.ctid, o.*, - n.tableoid::regclass, n.ctid, n.*, *; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------- - Insert on pg_temp.foo - Output: (o.tableoid)::regclass, o.ctid, o.f1, o.f2, o.f3, o.f4, (n.tableoid)::regclass, n.ctid, n.f1, n.f2, n.f3, n.f4, foo.f1, foo.f2, foo.f3, foo.f4 - Conflict Resolution: UPDATE - Conflict Arbiter Indexes: foo_f1_idx - -> Values Scan on "*VALUES*" - Output: "*VALUES*".column1, "*VALUES*".column2, 42, '99'::bigint -(6 rows) - -INSERT INTO foo VALUES (4, 'conflict'), (5, 'ok') - ON CONFLICT (f1) DO UPDATE SET f2 = excluded.f2||'ed', f3 = -1 - RETURNING WITH (OLD AS o, NEW AS n) - o.tableoid::regclass, o.ctid, o.*, - n.tableoid::regclass, n.ctid, n.*, *; - tableoid | ctid | f1 | f2 | f3 | f4 | tableoid | ctid | f1 | f2 | f3 | f4 | f1 | f2 | f3 | f4 -----------+-------+----+----+----+----+----------+-------+----+------------+----+----+----+------------+----+---- - foo | (0,4) | 4 | | 42 | 99 | foo | (0,5) | 4 | conflicted | -1 | 99 | 4 | conflicted | -1 | 99 - | | | | | | foo | (0,6) | 5 | ok | 42 | 99 | 5 | ok | 42 | 99 -(2 rows) - --- UPDATE has OLD and NEW -EXPLAIN (verbose, costs off) -UPDATE foo SET f4 = 100 WHERE f1 = 5 - RETURNING old.tableoid::regclass, old.ctid, old.*, old, - new.tableoid::regclass, new.ctid, new.*, new, - old.f4::text||'->'||new.f4::text AS change; - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Update on pg_temp.foo - Output: (old.tableoid)::regclass, old.ctid, old.f1, old.f2, old.f3, old.f4, old.*, (new.tableoid)::regclass, new.ctid, new.f1, new.f2, new.f3, new.f4, new.*, (((old.f4)::text || '->'::text) || (new.f4)::text) - Update on pg_temp.foo foo_1 - -> Result - Output: '100'::bigint, foo_1.tableoid, foo_1.ctid - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.tableoid, foo_1.ctid - Filter: (foo_1.f1 = 5) -(8 rows) - -UPDATE foo SET f4 = 100 WHERE f1 = 5 - RETURNING old.tableoid::regclass, old.ctid, old.*, old, - new.tableoid::regclass, new.ctid, new.*, new, - old.f4::text||'->'||new.f4::text AS change; - tableoid | ctid | f1 | f2 | f3 | f4 | old | tableoid | ctid | f1 | f2 | f3 | f4 | new | change -----------+-------+----+----+----+----+--------------+----------+-------+----+----+----+-----+---------------+--------- - foo | (0,6) | 5 | ok | 42 | 99 | (5,ok,42,99) | foo | (0,7) | 5 | ok | 42 | 100 | (5,ok,42,100) | 99->100 -(1 row) - --- DELETE has OLD, but not NEW -EXPLAIN (verbose, costs off) -DELETE FROM foo WHERE f1 = 5 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Delete on pg_temp.foo - Output: (old.tableoid)::regclass, old.ctid, old.f1, old.f2, old.f3, old.f4, (new.tableoid)::regclass, new.ctid, new.f1, new.f2, new.f3, new.f4, foo_1.f1, foo_1.f2, foo_1.f3, foo_1.f4 - Delete on pg_temp.foo foo_1 - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.tableoid, foo_1.ctid - Filter: (foo_1.f1 = 5) -(6 rows) - -DELETE FROM foo WHERE f1 = 5 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | f1 | f2 | f3 | f4 | tableoid | ctid | f1 | f2 | f3 | f4 | f1 | f2 | f3 | f4 -----------+-------+----+----+----+-----+----------+------+----+----+----+----+----+----+----+----- - foo | (0,7) | 5 | ok | 42 | 100 | | | | | | | 5 | ok | 42 | 100 -(1 row) - --- RETURNING OLD and NEW from subquery -EXPLAIN (verbose, costs off) -INSERT INTO foo VALUES (5, 'subquery test') - RETURNING (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - QUERY PLAN ---------------------------------------------------------------- - Insert on pg_temp.foo - Output: (SubPlan 1), (SubPlan 2) - -> Result - Output: 5, 'subquery test'::text, 42, '99'::bigint - SubPlan 1 - -> Aggregate - Output: max((old.f4 + x.x)) - -> Function Scan on pg_catalog.generate_series x - Output: x.x - Function Call: generate_series(1, 10) - SubPlan 2 - -> Aggregate - Output: max((new.f4 + x_1.x)) - -> Function Scan on pg_catalog.generate_series x_1 - Output: x_1.x - Function Call: generate_series(1, 10) -(16 rows) - -INSERT INTO foo VALUES (5, 'subquery test') - RETURNING (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - old_max | new_max ----------+--------- - | 109 -(1 row) - -EXPLAIN (verbose, costs off) -UPDATE foo SET f4 = 100 WHERE f1 = 5 - RETURNING (SELECT old.f4 = new.f4), - (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - QUERY PLAN ---------------------------------------------------------------- - Update on pg_temp.foo - Output: (SubPlan 1), (SubPlan 2), (SubPlan 3) - Update on pg_temp.foo foo_1 - -> Result - Output: '100'::bigint, foo_1.tableoid, foo_1.ctid - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.tableoid, foo_1.ctid - Filter: (foo_1.f1 = 5) - SubPlan 1 - -> Result - Output: (old.f4 = new.f4) - SubPlan 2 - -> Aggregate - Output: max((old.f4 + x.x)) - -> Function Scan on pg_catalog.generate_series x - Output: x.x - Function Call: generate_series(1, 10) - SubPlan 3 - -> Aggregate - Output: max((new.f4 + x_1.x)) - -> Function Scan on pg_catalog.generate_series x_1 - Output: x_1.x - Function Call: generate_series(1, 10) -(23 rows) - -UPDATE foo SET f4 = 100 WHERE f1 = 5 - RETURNING (SELECT old.f4 = new.f4), - (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - ?column? | old_max | new_max -----------+---------+--------- - f | 109 | 110 -(1 row) - -EXPLAIN (verbose, costs off) -DELETE FROM foo WHERE f1 = 5 - RETURNING (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - QUERY PLAN ---------------------------------------------------------------- - Delete on pg_temp.foo - Output: (SubPlan 1), (SubPlan 2) - Delete on pg_temp.foo foo_1 - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.tableoid, foo_1.ctid - Filter: (foo_1.f1 = 5) - SubPlan 1 - -> Aggregate - Output: max((old.f4 + x.x)) - -> Function Scan on pg_catalog.generate_series x - Output: x.x - Function Call: generate_series(1, 10) - SubPlan 2 - -> Aggregate - Output: max((new.f4 + x_1.x)) - -> Function Scan on pg_catalog.generate_series x_1 - Output: x_1.x - Function Call: generate_series(1, 10) -(18 rows) - -DELETE FROM foo WHERE f1 = 5 - RETURNING (SELECT max(old.f4 + x) FROM generate_series(1, 10) x) old_max, - (SELECT max(new.f4 + x) FROM generate_series(1, 10) x) new_max; - old_max | new_max ----------+--------- - 110 | -(1 row) - --- DELETE turned into UPDATE by a rule has OLD and NEW -CREATE RULE foo_del_rule AS ON DELETE TO foo DO INSTEAD - UPDATE foo SET f2 = f2||' (deleted)', f3 = -1, f4 = -1 WHERE f1 = OLD.f1 - RETURNING *; -EXPLAIN (verbose, costs off) -DELETE FROM foo WHERE f1 = 4 RETURNING old.*,new.*, *; - QUERY PLAN ---------------------------------------------------------------------------------------------------------------------------------------- - Update on pg_temp.foo - Output: old.f1, old.f2, old.f3, old.f4, new.f1, new.f2, new.f3, new.f4, foo_2.f1, foo_2.f2, foo_2.f3, foo_2.f4 - Update on pg_temp.foo foo_2 - -> Nested Loop - Output: (foo_2.f2 || ' (deleted)'::text), '-1'::integer, '-1'::bigint, foo_1.ctid, foo_1.tableoid, foo_2.tableoid, foo_2.ctid - -> Seq Scan on pg_temp.foo foo_2 - Output: foo_2.f2, foo_2.f1, foo_2.tableoid, foo_2.ctid - Filter: (foo_2.f1 = 4) - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.ctid, foo_1.f1, foo_1.tableoid - Filter: (foo_1.f1 = 4) -(11 rows) - -DELETE FROM foo WHERE f1 = 4 RETURNING old.*,new.*, *; - f1 | f2 | f3 | f4 | f1 | f2 | f3 | f4 | f1 | f2 | f3 | f4 -----+------------+----+----+----+----------------------+----+----+----+----------------------+----+---- - 4 | conflicted | -1 | 99 | 4 | conflicted (deleted) | -1 | -1 | 4 | conflicted (deleted) | -1 | -1 -(1 row) - --- UPDATE on view with rule -EXPLAIN (verbose, costs off) -UPDATE joinview SET f3 = f3 + 1 WHERE f3 = 57 - RETURNING old.*, new.*, *, new.f3 - old.f3 AS delta_f3; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Update on pg_temp.foo - Output: old.f1, old.f2, old.f3, old.f4, joinme.other, new.f1, new.f2, new.f3, new.f4, joinme.other, foo_1.f1, foo_1.f2, foo_1.f3, foo_1.f4, joinme.other, (new.f3 - old.f3) - Update on pg_temp.foo foo_1 - -> Hash Join - Output: foo_2.f1, (foo_2.f3 + 1), joinme.ctid, foo_2.ctid, joinme_1.ctid, joinme.other, foo_1.tableoid, foo_1.ctid, foo_2.tableoid - Hash Cond: (foo_1.f2 = joinme.f2j) - -> Hash Join - Output: foo_1.f2, foo_1.tableoid, foo_1.ctid, joinme_1.ctid, joinme_1.f2j - Hash Cond: (joinme_1.f2j = foo_1.f2) - -> Seq Scan on pg_temp.joinme joinme_1 - Output: joinme_1.ctid, joinme_1.f2j - -> Hash - Output: foo_1.f2, foo_1.tableoid, foo_1.ctid - -> Seq Scan on pg_temp.foo foo_1 - Output: foo_1.f2, foo_1.tableoid, foo_1.ctid - -> Hash - Output: joinme.ctid, joinme.other, joinme.f2j, foo_2.f1, foo_2.f3, foo_2.ctid, foo_2.f2, foo_2.tableoid - -> Hash Join - Output: joinme.ctid, joinme.other, joinme.f2j, foo_2.f1, foo_2.f3, foo_2.ctid, foo_2.f2, foo_2.tableoid - Hash Cond: (joinme.f2j = foo_2.f2) - -> Seq Scan on pg_temp.joinme - Output: joinme.ctid, joinme.other, joinme.f2j - -> Hash - Output: foo_2.f1, foo_2.f3, foo_2.ctid, foo_2.f2, foo_2.tableoid - -> Seq Scan on pg_temp.foo foo_2 - Output: foo_2.f1, foo_2.f3, foo_2.ctid, foo_2.f2, foo_2.tableoid - Filter: (foo_2.f3 = 57) -(27 rows) - -UPDATE joinview SET f3 = f3 + 1 WHERE f3 = 57 - RETURNING old.*, new.*, *, new.f3 - old.f3 AS delta_f3; - f1 | f2 | f3 | f4 | other | f1 | f2 | f3 | f4 | other | f1 | f2 | f3 | f4 | other | delta_f3 -----+------+----+----+-------+----+------+----+----+-------+----+------+----+----+-------+---------- - 3 | zoo2 | 57 | 99 | 54321 | 3 | zoo2 | 58 | 99 | 54321 | 3 | zoo2 | 58 | 99 | 54321 | 1 -(1 row) - --- UPDATE on view with INSTEAD OF trigger -CREATE FUNCTION joinview_upd_trig_fn() RETURNS trigger -LANGUAGE plpgsql AS -$$ -BEGIN - RAISE NOTICE 'UPDATE: % -> %', old, new; - UPDATE foo SET f1 = new.f1, f3 = new.f3, f4 = new.f4 * 10 - FROM joinme WHERE f2 = f2j AND f2 = old.f2 - RETURNING new.f1, new.f4 INTO new.f1, new.f4; -- should fail - RETURN NEW; -END; -$$; -CREATE TRIGGER joinview_upd_trig INSTEAD OF UPDATE ON joinview - FOR EACH ROW EXECUTE FUNCTION joinview_upd_trig_fn(); -DROP RULE joinview_u ON joinview; -UPDATE joinview SET f3 = f3 + 1, f4 = 7 WHERE f3 = 58 - RETURNING old.*, new.*, *, new.f3 - old.f3 AS delta_f3; -- should fail -NOTICE: UPDATE: (3,zoo2,58,99,54321) -> (3,zoo2,59,7,54321) -ERROR: column reference "new.f1" is ambiguous -LINE 3: RETURNING new.f1, new.f4 - ^ -DETAIL: It could refer to either a PL/pgSQL variable or a table column. -QUERY: UPDATE foo SET f1 = new.f1, f3 = new.f3, f4 = new.f4 * 10 - FROM joinme WHERE f2 = f2j AND f2 = old.f2 - RETURNING new.f1, new.f4 -CONTEXT: PL/pgSQL function joinview_upd_trig_fn() line 4 at SQL statement -CREATE OR REPLACE FUNCTION joinview_upd_trig_fn() RETURNS trigger -LANGUAGE plpgsql AS -$$ -BEGIN - RAISE NOTICE 'UPDATE: % -> %', old, new; - UPDATE foo SET f1 = new.f1, f3 = new.f3, f4 = new.f4 * 10 - FROM joinme WHERE f2 = f2j AND f2 = old.f2 - RETURNING WITH (new AS n) new.f1, n.f4 INTO new.f1, new.f4; -- now ok - RETURN NEW; -END; -$$; -EXPLAIN (verbose, costs off) -UPDATE joinview SET f3 = f3 + 1, f4 = 7 WHERE f3 = 58 - RETURNING old.*, new.*, *, new.f3 - old.f3 AS delta_f3; - QUERY PLAN ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Update on pg_temp.joinview - Output: old.f1, old.f2, old.f3, old.f4, old.other, new.f1, new.f2, new.f3, new.f4, new.other, joinview.f1, joinview.f2, joinview.f3, joinview.f4, joinview.other, (new.f3 - old.f3) - -> Hash Join - Output: (foo.f3 + 1), '7'::bigint, ROW(foo.f1, foo.f2, foo.f3, foo.f4, joinme.other), foo.ctid, joinme.ctid, foo.tableoid - Hash Cond: (joinme.f2j = foo.f2) - -> Seq Scan on pg_temp.joinme - Output: joinme.other, joinme.ctid, joinme.f2j - -> Hash - Output: foo.f3, foo.f1, foo.f2, foo.f4, foo.ctid, foo.tableoid - -> Seq Scan on pg_temp.foo - Output: foo.f3, foo.f1, foo.f2, foo.f4, foo.ctid, foo.tableoid - Filter: (foo.f3 = 58) -(12 rows) - -UPDATE joinview SET f3 = f3 + 1, f4 = 7 WHERE f3 = 58 - RETURNING old.*, new.*, *, new.f3 - old.f3 AS delta_f3; -- should succeed -NOTICE: UPDATE: (3,zoo2,58,99,54321) -> (3,zoo2,59,7,54321) - f1 | f2 | f3 | f4 | other | f1 | f2 | f3 | f4 | other | f1 | f2 | f3 | f4 | other | delta_f3 -----+------+----+----+-------+----+------+----+----+-------+----+------+----+----+-------+---------- - 3 | zoo2 | 58 | 99 | 54321 | 3 | zoo2 | 59 | 70 | 54321 | 3 | zoo2 | 59 | 70 | 54321 | 1 -(1 row) - --- Test wholerow & dropped column handling -ALTER TABLE foo DROP COLUMN f3 CASCADE; -NOTICE: drop cascades to 4 other objects -DETAIL: drop cascades to rule voo_i on view voo -drop cascades to view foo_v -drop cascades to view joinview -drop cascades to rule foo_del_rule on table foo -UPDATE foo SET f4 = f4 + 1 RETURNING old.f3; -- should fail -ERROR: column old.f3 does not exist -LINE 1: UPDATE foo SET f4 = f4 + 1 RETURNING old.f3; - ^ -UPDATE foo SET f4 = f4 + 1 RETURNING old, new; - old | new --------------------------------+------------------------------ - (1,xxx,20) | (1,xxx,21) - (2,more,141) | (2,more,142) - (4,"conflicted (deleted)",-1) | (4,"conflicted (deleted)",0) - (3,zoo2,70) | (3,zoo2,71) -(4 rows) - --- INSERT/DELETE on zero column table -CREATE TABLE zerocol(); -INSERT INTO zerocol SELECT RETURNING old.*, new.*, *; -ERROR: RETURNING must have at least one column -LINE 1: INSERT INTO zerocol SELECT RETURNING old.*, new.*, *; - ^ -INSERT INTO zerocol SELECT - RETURNING old.tableoid::regclass, old.ctid, - new.tableoid::regclass, new.ctid, ctid, *; - tableoid | ctid | tableoid | ctid | ctid -----------+------+----------+-------+------- - | | zerocol | (0,1) | (0,1) -(1 row) - -DELETE FROM zerocol - RETURNING old.tableoid::regclass, old.ctid, - new.tableoid::regclass, new.ctid, ctid, *; - tableoid | ctid | tableoid | ctid | ctid -----------+-------+----------+------+------- - zerocol | (0,1) | | | (0,1) -(1 row) - -DROP TABLE zerocol; --- Test schema-qualified table name in RETURNING list -CREATE TABLE public.tt(a int, b int); -INSERT INTO public.tt VALUES (1, 10); -UPDATE public.tt SET b = b * 2 RETURNING a, b, old.b, new.b, tt.b, public.tt.b; - a | b | b | b | b | b ----+----+----+----+----+---- - 1 | 20 | 10 | 20 | 20 | 20 -(1 row) - -DROP TABLE public.tt; --- Test cross-partition updates and attribute mapping -CREATE TABLE foo_parted (a int, b float8, c text) PARTITION BY LIST (a); -CREATE TABLE foo_part_s1 PARTITION OF foo_parted FOR VALUES IN (1); -CREATE TABLE foo_part_s2 PARTITION OF foo_parted FOR VALUES IN (2); -CREATE TABLE foo_part_d1 (c text, a int, b float8); -ALTER TABLE foo_parted ATTACH PARTITION foo_part_d1 FOR VALUES IN (3); -CREATE TABLE foo_part_d2 (b float8, c text, a int); -ALTER TABLE foo_parted ATTACH PARTITION foo_part_d2 FOR VALUES IN (4); -INSERT INTO foo_parted - VALUES (1, 17.1, 'P1'), (2, 17.2, 'P2'), (3, 17.3, 'P3'), (4, 17.4, 'P4') - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c -----------+------+---+---+---+-------------+-------+---+------+----+---+------+---- - | | | | | foo_part_s1 | (0,1) | 1 | 17.1 | P1 | 1 | 17.1 | P1 - | | | | | foo_part_s2 | (0,1) | 2 | 17.2 | P2 | 2 | 17.2 | P2 - | | | | | foo_part_d1 | (0,1) | 3 | 17.3 | P3 | 3 | 17.3 | P3 - | | | | | foo_part_d2 | (0,1) | 4 | 17.4 | P4 | 4 | 17.4 | P4 -(4 rows) - -UPDATE foo_parted SET a = 2, b = b + 1, c = c || '->P2' WHERE a = 1 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c --------------+-------+---+------+----+-------------+-------+---+------+--------+---+------+-------- - foo_part_s1 | (0,1) | 1 | 17.1 | P1 | foo_part_s2 | (0,2) | 2 | 18.1 | P1->P2 | 2 | 18.1 | P1->P2 -(1 row) - -UPDATE foo_parted SET a = 1, b = b + 1, c = c || '->P1' WHERE a = 3 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c --------------+-------+---+------+----+-------------+-------+---+------+--------+---+------+-------- - foo_part_d1 | (0,1) | 3 | 17.3 | P3 | foo_part_s1 | (0,2) | 1 | 18.3 | P3->P1 | 1 | 18.3 | P3->P1 -(1 row) - -UPDATE foo_parted SET a = 3, b = b + 1, c = c || '->P3' WHERE a = 1 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c --------------+-------+---+------+--------+-------------+-------+---+------+------------+---+------+------------ - foo_part_s1 | (0,2) | 1 | 18.3 | P3->P1 | foo_part_d1 | (0,2) | 3 | 19.3 | P3->P1->P3 | 3 | 19.3 | P3->P1->P3 -(1 row) - -UPDATE foo_parted SET a = 4, b = b + 1, c = c || '->P4' WHERE a = 3 - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c --------------+-------+---+------+------------+-------------+-------+---+------+----------------+---+------+---------------- - foo_part_d1 | (0,2) | 3 | 19.3 | P3->P1->P3 | foo_part_d2 | (0,2) | 4 | 20.3 | P3->P1->P3->P4 | 4 | 20.3 | P3->P1->P3->P4 -(1 row) - --- cross-partition update that uses ReturningExpr nodes, without returning --- old/new table values -CREATE VIEW foo_parted_v AS SELECT *, 'xxx' AS dummy FROM foo_parted; -UPDATE foo_parted_v SET a = 1, c = c || '->P1' WHERE a = 2 AND c = 'P2' - RETURNING 'P2:'||old.dummy, 'P1:'||new.dummy; - ?column? | ?column? -----------+---------- - P2:xxx | P1:xxx -(1 row) - -DELETE FROM foo_parted - RETURNING old.tableoid::regclass, old.ctid, old.*, - new.tableoid::regclass, new.ctid, new.*, *; - tableoid | ctid | a | b | c | tableoid | ctid | a | b | c | a | b | c --------------+-------+---+------+----------------+----------+------+---+---+---+---+------+---------------- - foo_part_s1 | (0,3) | 1 | 17.2 | P2->P1 | | | | | | 1 | 17.2 | P2->P1 - foo_part_s2 | (0,2) | 2 | 18.1 | P1->P2 | | | | | | 2 | 18.1 | P1->P2 - foo_part_d2 | (0,1) | 4 | 17.4 | P4 | | | | | | 4 | 17.4 | P4 - foo_part_d2 | (0,2) | 4 | 20.3 | P3->P1->P3->P4 | | | | | | 4 | 20.3 | P3->P1->P3->P4 -(4 rows) - -DROP TABLE foo_parted CASCADE; -NOTICE: drop cascades to view foo_parted_v --- Test deparsing -CREATE FUNCTION foo_update() - RETURNS void - LANGUAGE sql -BEGIN ATOMIC - WITH u1 AS ( - UPDATE foo SET f1 = f1 + 1 RETURNING old.*, new.* - ), u2 AS ( - UPDATE foo SET f1 = f1 + 1 RETURNING WITH (OLD AS "old foo") "old foo".*, new.* - ), u3 AS ( - UPDATE foo SET f1 = f1 + 1 RETURNING WITH (NEW AS "new foo") old.*, "new foo".* - ) - UPDATE foo SET f1 = f1 + 1 - RETURNING WITH (OLD AS o, NEW AS n) - o.*, n.*, o, n, o.f1 = n.f1, o = n, - (SELECT o.f2 = n.f2), - (SELECT count(*) FROM foo WHERE foo.f1 = o.f4), - (SELECT count(*) FROM foo WHERE foo.f4 = n.f4), - (SELECT count(*) FROM foo WHERE foo = o), - (SELECT count(*) FROM foo WHERE foo = n); -END; -\sf foo_update -CREATE OR REPLACE FUNCTION public.foo_update() - RETURNS void - LANGUAGE sql -BEGIN ATOMIC - WITH u1 AS ( - UPDATE foo foo_1 SET f1 = (foo_1.f1 + 1) - RETURNING old.f1, - old.f2, - old.f4, - new.f1, - new.f2, - new.f4 - ), u2 AS ( - UPDATE foo foo_1 SET f1 = (foo_1.f1 + 1) - RETURNING WITH (OLD AS "old foo") "old foo".f1, - "old foo".f2, - "old foo".f4, - new.f1, - new.f2, - new.f4 - ), u3 AS ( - UPDATE foo foo_1 SET f1 = (foo_1.f1 + 1) - RETURNING WITH (NEW AS "new foo") old.f1, - old.f2, - old.f4, - "new foo".f1, - "new foo".f2, - "new foo".f4 - ) - UPDATE foo SET f1 = (foo.f1 + 1) - RETURNING WITH (OLD AS o, NEW AS n) o.f1, - o.f2, - o.f4, - n.f1, - n.f2, - n.f4, - o.*::foo AS o, - n.*::foo AS n, - (o.f1 = n.f1), - (o.* = n.*), - ( SELECT (o.f2 = n.f2)), - ( SELECT count(*) AS count - FROM foo foo_1 - WHERE (foo_1.f1 = o.f4)) AS count, - ( SELECT count(*) AS count - FROM foo foo_1 - WHERE (foo_1.f4 = n.f4)) AS count, - ( SELECT count(*) AS count - FROM foo foo_1 - WHERE (foo_1.* = o.*)) AS count, - ( SELECT count(*) AS count - FROM foo foo_1 - WHERE (foo_1.* = n.*)) AS count; -END -DROP FUNCTION foo_update; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/largeobject.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/largeobject.out --- /tmp/cirrus-ci-build/src/test/regress/expected/largeobject.out 2025-06-04 16:00:28.757567000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/largeobject.out 2025-06-04 16:05:11.018114000 +0000 @@ -1,563 +1,2 @@ --- --- Test large object support --- --- directory paths are passed to us in environment variables -\getenv abs_srcdir PG_ABS_SRCDIR -\getenv abs_builddir PG_ABS_BUILDDIR --- ensure consistent test output regardless of the default bytea format -SET bytea_output TO escape; --- Test ALTER LARGE OBJECT OWNER -CREATE ROLE regress_lo_user; -SELECT lo_create(42); - lo_create ------------ - 42 -(1 row) - -ALTER LARGE OBJECT 42 OWNER TO regress_lo_user; --- Test GRANT, COMMENT as non-superuser -SET SESSION AUTHORIZATION regress_lo_user; -GRANT SELECT ON LARGE OBJECT 42 TO public; -COMMENT ON LARGE OBJECT 42 IS 'the ultimate answer'; -RESET SESSION AUTHORIZATION; --- Test psql's \lo_list et al (we assume no other LOs exist yet) -\lo_list - Large objects - ID | Owner | Description -----+-----------------+--------------------- - 42 | regress_lo_user | the ultimate answer -(1 row) - -\lo_list+ - Large objects - ID | Owner | Access privileges | Description -----+-----------------+------------------------------------+--------------------- - 42 | regress_lo_user | regress_lo_user=rw/regress_lo_user+| the ultimate answer - | | =r/regress_lo_user | -(1 row) - -\lo_unlink 42 -\dl - Large objects - ID | Owner | Description -----+-------+------------- -(0 rows) - --- Load a file -CREATE TABLE lotest_stash_values (loid oid, fd integer); --- lo_creat(mode integer) returns oid --- The mode arg to lo_creat is unused, some vestigal holdover from ancient times --- returns the large object id -INSERT INTO lotest_stash_values (loid) SELECT lo_creat(42); --- NOTE: large objects require transactions -BEGIN; --- lo_open(lobjId oid, mode integer) returns integer --- The mode parameter to lo_open uses two constants: --- INV_WRITE = 0x20000 --- INV_READ = 0x40000 --- The return value is a file descriptor-like value which remains valid for the --- transaction. -UPDATE lotest_stash_values SET fd = lo_open(loid, CAST(x'20000' | x'40000' AS integer)); --- loread/lowrite names are wonky, different from other functions which are lo_* --- lowrite(fd integer, data bytea) returns integer --- the integer is the number of bytes written -SELECT lowrite(fd, ' -I wandered lonely as a cloud -That floats on high o''er vales and hills, -When all at once I saw a crowd, -A host, of golden daffodils; -Beside the lake, beneath the trees, -Fluttering and dancing in the breeze. - -Continuous as the stars that shine -And twinkle on the milky way, -They stretched in never-ending line -Along the margin of a bay: -Ten thousand saw I at a glance, -Tossing their heads in sprightly dance. - -The waves beside them danced; but they -Out-did the sparkling waves in glee: -A poet could not but be gay, -In such a jocund company: -I gazed--and gazed--but little thought -What wealth the show to me had brought: - -For oft, when on my couch I lie -In vacant or in pensive mood, -They flash upon that inward eye -Which is the bliss of solitude; -And then my heart with pleasure fills, -And dances with the daffodils. - - -- William Wordsworth -') FROM lotest_stash_values; - lowrite ---------- - 848 -(1 row) - --- lo_close(fd integer) returns integer --- return value is 0 for success, or <0 for error (actually only -1, but...) -SELECT lo_close(fd) FROM lotest_stash_values; - lo_close ----------- - 0 -(1 row) - -END; --- Copy to another large object. --- Note: we intentionally don't remove the object created here; --- it's left behind to help test pg_dump. -SELECT lo_from_bytea(0, lo_get(loid)) AS newloid FROM lotest_stash_values -\gset --- Add a comment to it, as well, for pg_dump/pg_upgrade testing. -COMMENT ON LARGE OBJECT :newloid IS 'I Wandered Lonely as a Cloud'; --- Read out a portion -BEGIN; -UPDATE lotest_stash_values SET fd=lo_open(loid, CAST(x'20000' | x'40000' AS integer)); --- lo_lseek(fd integer, offset integer, whence integer) returns integer --- offset is in bytes, whence is one of three values: --- SEEK_SET (= 0) meaning relative to beginning --- SEEK_CUR (= 1) meaning relative to current position --- SEEK_END (= 2) meaning relative to end (offset better be negative) --- returns current position in file -SELECT lo_lseek(fd, 104, 0) FROM lotest_stash_values; - lo_lseek ----------- - 104 -(1 row) - --- loread/lowrite names are wonky, different from other functions which are lo_* --- loread(fd integer, len integer) returns bytea -SELECT loread(fd, 28) FROM lotest_stash_values; - loread ------------------------------- - A host, of golden daffodils; -(1 row) - -SELECT lo_lseek(fd, -19, 1) FROM lotest_stash_values; - lo_lseek ----------- - 113 -(1 row) - -SELECT lowrite(fd, 'n') FROM lotest_stash_values; - lowrite ---------- - 1 -(1 row) - -SELECT lo_tell(fd) FROM lotest_stash_values; - lo_tell ---------- - 114 -(1 row) - -SELECT lo_lseek(fd, -744, 2) FROM lotest_stash_values; - lo_lseek ----------- - 104 -(1 row) - -SELECT loread(fd, 28) FROM lotest_stash_values; - loread ------------------------------- - A host, on golden daffodils; -(1 row) - -SELECT lo_close(fd) FROM lotest_stash_values; - lo_close ----------- - 0 -(1 row) - -END; --- Test resource management -BEGIN; -SELECT lo_open(loid, x'40000'::int) from lotest_stash_values; - lo_open ---------- - 0 -(1 row) - -ABORT; -\set filename :abs_builddir '/results/invalid/path' -\set dobody 'DECLARE loid oid; BEGIN ' -\set dobody :dobody 'SELECT tbl.loid INTO loid FROM lotest_stash_values tbl; ' -\set dobody :dobody 'PERFORM lo_export(loid, ' :'filename' '); ' -\set dobody :dobody 'EXCEPTION WHEN UNDEFINED_FILE THEN ' -\set dobody :dobody 'RAISE NOTICE ''could not open file, as expected''; END' -DO :'dobody'; -NOTICE: could not open file, as expected --- Test truncation. -BEGIN; -UPDATE lotest_stash_values SET fd=lo_open(loid, CAST(x'20000' | x'40000' AS integer)); -SELECT lo_truncate(fd, 11) FROM lotest_stash_values; - lo_truncate -------------- - 0 -(1 row) - -SELECT loread(fd, 15) FROM lotest_stash_values; - loread ----------------- - \012I wandered -(1 row) - -SELECT lo_truncate(fd, 10000) FROM lotest_stash_values; - lo_truncate -------------- - 0 -(1 row) - -SELECT loread(fd, 10) FROM lotest_stash_values; - loread ------------------------------------------- - \000\000\000\000\000\000\000\000\000\000 -(1 row) - -SELECT lo_lseek(fd, 0, 2) FROM lotest_stash_values; - lo_lseek ----------- - 10000 -(1 row) - -SELECT lo_tell(fd) FROM lotest_stash_values; - lo_tell ---------- - 10000 -(1 row) - -SELECT lo_truncate(fd, 5000) FROM lotest_stash_values; - lo_truncate -------------- - 0 -(1 row) - -SELECT lo_lseek(fd, 0, 2) FROM lotest_stash_values; - lo_lseek ----------- - 5000 -(1 row) - -SELECT lo_tell(fd) FROM lotest_stash_values; - lo_tell ---------- - 5000 -(1 row) - -SELECT lo_close(fd) FROM lotest_stash_values; - lo_close ----------- - 0 -(1 row) - -END; --- Test 64-bit large object functions. -BEGIN; -UPDATE lotest_stash_values SET fd = lo_open(loid, CAST(x'20000' | x'40000' AS integer)); -SELECT lo_lseek64(fd, 4294967296, 0) FROM lotest_stash_values; - lo_lseek64 ------------- - 4294967296 -(1 row) - -SELECT lowrite(fd, 'offset:4GB') FROM lotest_stash_values; - lowrite ---------- - 10 -(1 row) - -SELECT lo_tell64(fd) FROM lotest_stash_values; - lo_tell64 ------------- - 4294967306 -(1 row) - -SELECT lo_lseek64(fd, -10, 1) FROM lotest_stash_values; - lo_lseek64 ------------- - 4294967296 -(1 row) - -SELECT lo_tell64(fd) FROM lotest_stash_values; - lo_tell64 ------------- - 4294967296 -(1 row) - -SELECT loread(fd, 10) FROM lotest_stash_values; - loread ------------- - offset:4GB -(1 row) - -SELECT lo_truncate64(fd, 5000000000) FROM lotest_stash_values; - lo_truncate64 ---------------- - 0 -(1 row) - -SELECT lo_lseek64(fd, 0, 2) FROM lotest_stash_values; - lo_lseek64 ------------- - 5000000000 -(1 row) - -SELECT lo_tell64(fd) FROM lotest_stash_values; - lo_tell64 ------------- - 5000000000 -(1 row) - -SELECT lo_truncate64(fd, 3000000000) FROM lotest_stash_values; - lo_truncate64 ---------------- - 0 -(1 row) - -SELECT lo_lseek64(fd, 0, 2) FROM lotest_stash_values; - lo_lseek64 ------------- - 3000000000 -(1 row) - -SELECT lo_tell64(fd) FROM lotest_stash_values; - lo_tell64 ------------- - 3000000000 -(1 row) - -SELECT lo_close(fd) FROM lotest_stash_values; - lo_close ----------- - 0 -(1 row) - -END; --- lo_unlink(lobjId oid) returns integer --- return value appears to always be 1 -SELECT lo_unlink(loid) from lotest_stash_values; - lo_unlink ------------ - 1 -(1 row) - -TRUNCATE lotest_stash_values; -\set filename :abs_srcdir '/data/tenk.data' -INSERT INTO lotest_stash_values (loid) SELECT lo_import(:'filename'); -BEGIN; -UPDATE lotest_stash_values SET fd=lo_open(loid, CAST(x'20000' | x'40000' AS integer)); --- verify length of large object -SELECT lo_lseek(fd, 0, 2) FROM lotest_stash_values; - lo_lseek ----------- - 670800 -(1 row) - --- with the default BLCKSZ, LOBLKSIZE = 2048, so this positions us for a block --- edge case -SELECT lo_lseek(fd, 2030, 0) FROM lotest_stash_values; - lo_lseek ----------- - 2030 -(1 row) - --- this should get half of the value from page 0 and half from page 1 of the --- large object -SELECT loread(fd, 36) FROM lotest_stash_values; - loread ------------------------------------------------------------------ - AAA\011FBAAAA\011VVVVxx\0122513\01132\0111\0111\0113\01113\0111 -(1 row) - -SELECT lo_tell(fd) FROM lotest_stash_values; - lo_tell ---------- - 2066 -(1 row) - -SELECT lo_lseek(fd, -26, 1) FROM lotest_stash_values; - lo_lseek ----------- - 2040 -(1 row) - -SELECT lowrite(fd, 'abcdefghijklmnop') FROM lotest_stash_values; - lowrite ---------- - 16 -(1 row) - -SELECT lo_lseek(fd, 2030, 0) FROM lotest_stash_values; - lo_lseek ----------- - 2030 -(1 row) - -SELECT loread(fd, 36) FROM lotest_stash_values; - loread ------------------------------------------------------ - AAA\011FBAAAAabcdefghijklmnop1\0111\0113\01113\0111 -(1 row) - -SELECT lo_close(fd) FROM lotest_stash_values; - lo_close ----------- - 0 -(1 row) - -END; -\set filename :abs_builddir '/results/lotest.txt' -SELECT lo_export(loid, :'filename') FROM lotest_stash_values; - lo_export ------------ - 1 -(1 row) - -\lo_import :filename -\set newloid :LASTOID --- just make sure \lo_export does not barf -\set filename :abs_builddir '/results/lotest2.txt' -\lo_export :newloid :filename --- This is a hack to test that export/import are reversible --- This uses knowledge about the inner workings of large object mechanism --- which should not be used outside it. This makes it a HACK -SELECT pageno, data FROM pg_largeobject WHERE loid = (SELECT loid from lotest_stash_values) -EXCEPT -SELECT pageno, data FROM pg_largeobject WHERE loid = :newloid; - pageno | data ---------+------ -(0 rows) - -SELECT lo_unlink(loid) FROM lotest_stash_values; - lo_unlink ------------ - 1 -(1 row) - -TRUNCATE lotest_stash_values; -\lo_unlink :newloid -\set filename :abs_builddir '/results/lotest.txt' -\lo_import :filename -\set newloid_1 :LASTOID -SELECT lo_from_bytea(0, lo_get(:newloid_1)) AS newloid_2 -\gset -SELECT fipshash(lo_get(:newloid_1)) = fipshash(lo_get(:newloid_2)); - ?column? ----------- - t -(1 row) - -SELECT lo_get(:newloid_1, 0, 20); - lo_get -------------------------------------------- - 8800\0110\0110\0110\0110\0110\0110\011800 -(1 row) - -SELECT lo_get(:newloid_1, 10, 20); - lo_get -------------------------------------------- - \0110\0110\0110\011800\011800\0113800\011 -(1 row) - -SELECT lo_put(:newloid_1, 5, decode('afafafaf', 'hex')); - lo_put --------- - -(1 row) - -SELECT lo_get(:newloid_1, 0, 20); - lo_get -------------------------------------------------- - 8800\011\257\257\257\2570\0110\0110\0110\011800 -(1 row) - -SELECT lo_put(:newloid_1, 4294967310, 'foo'); - lo_put --------- - -(1 row) - -SELECT lo_get(:newloid_1); -ERROR: large object read request is too large -SELECT lo_get(:newloid_1, 4294967294, 100); - lo_get ---------------------------------------------------------------------- - \000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000foo -(1 row) - -\lo_unlink :newloid_1 -\lo_unlink :newloid_2 --- This object is left in the database for pg_dump test purposes -SELECT lo_from_bytea(0, E'\\xdeadbeef') AS newloid -\gset -SET bytea_output TO hex; -SELECT lo_get(:newloid); - lo_get ------------- - \xdeadbeef -(1 row) - --- Create one more object that we leave behind for testing pg_dump/pg_upgrade; --- this one intentionally has an OID in the system range -SELECT lo_create(2121); - lo_create ------------ - 2121 -(1 row) - -COMMENT ON LARGE OBJECT 2121 IS 'testing comments'; --- Test writes on large objects in read-only transactions -START TRANSACTION READ ONLY; --- INV_READ ... ok -SELECT lo_open(2121, x'40000'::int); - lo_open ---------- - 0 -(1 row) - --- INV_WRITE ... error -SELECT lo_open(2121, x'20000'::int); -ERROR: cannot execute lo_open(INV_WRITE) in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_create(42); -ERROR: cannot execute lo_create() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_creat(42); -ERROR: cannot execute lo_creat() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_unlink(42); -ERROR: cannot execute lo_unlink() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lowrite(42, 'x'); -ERROR: cannot execute lowrite() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_import(:'filename'); -ERROR: cannot execute lo_import() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_truncate(42, 0); -ERROR: cannot execute lo_truncate() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_truncate64(42, 0); -ERROR: cannot execute lo_truncate64() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_from_bytea(0, 'x'); -ERROR: cannot execute lo_from_bytea() in a read-only transaction -ROLLBACK; -START TRANSACTION READ ONLY; -SELECT lo_put(42, 0, 'x'); -ERROR: cannot execute lo_put() in a read-only transaction -ROLLBACK; --- Clean up -DROP TABLE lotest_stash_values; -DROP ROLE regress_lo_user; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/with.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/with.out --- /tmp/cirrus-ci-build/src/test/regress/expected/with.out 2025-06-04 16:00:28.807701000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/with.out 2025-06-04 16:05:10.994994000 +0000 @@ -1,3678 +1,2 @@ --- --- Tests for common table expressions (WITH query, ... SELECT ...) --- --- Basic WITH -WITH q1(x,y) AS (SELECT 1,2) -SELECT * FROM q1, q1 AS q2; - x | y | x | y ----+---+---+--- - 1 | 2 | 1 | 2 -(1 row) - --- Multiple uses are evaluated only once -SELECT count(*) FROM ( - WITH q1(x) AS (SELECT random() FROM generate_series(1, 5)) - SELECT * FROM q1 - UNION - SELECT * FROM q1 -) ss; - count -------- - 5 -(1 row) - --- WITH RECURSIVE --- sum of 1..100 -WITH RECURSIVE t(n) AS ( - VALUES (1) -UNION ALL - SELECT n+1 FROM t WHERE n < 100 -) -SELECT sum(n) FROM t; - sum ------- - 5050 -(1 row) - -WITH RECURSIVE t(n) AS ( - SELECT (VALUES(1)) -UNION ALL - SELECT n+1 FROM t WHERE n < 5 -) -SELECT * FROM t; - n ---- - 1 - 2 - 3 - 4 - 5 -(5 rows) - --- UNION DISTINCT requires hashable type -WITH RECURSIVE t(n) AS ( - VALUES ('01'::varbit) -UNION - SELECT n || '10'::varbit FROM t WHERE n < '100'::varbit -) -SELECT n FROM t; -ERROR: could not implement recursive UNION -DETAIL: All column datatypes must be hashable. --- recursive view -CREATE RECURSIVE VIEW nums (n) AS - VALUES (1) -UNION ALL - SELECT n+1 FROM nums WHERE n < 5; -SELECT * FROM nums; - n ---- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -CREATE OR REPLACE RECURSIVE VIEW nums (n) AS - VALUES (1) -UNION ALL - SELECT n+1 FROM nums WHERE n < 6; -SELECT * FROM nums; - n ---- - 1 - 2 - 3 - 4 - 5 - 6 -(6 rows) - --- This is an infinite loop with UNION ALL, but not with UNION -WITH RECURSIVE t(n) AS ( - SELECT 1 -UNION - SELECT 10-n FROM t) -SELECT * FROM t; - n ---- - 1 - 9 -(2 rows) - --- This'd be an infinite loop, but outside query reads only as much as needed -WITH RECURSIVE t(n) AS ( - VALUES (1) -UNION ALL - SELECT n+1 FROM t) -SELECT * FROM t LIMIT 10; - n ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(10 rows) - --- UNION case should have same property -WITH RECURSIVE t(n) AS ( - SELECT 1 -UNION - SELECT n+1 FROM t) -SELECT * FROM t LIMIT 10; - n ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(10 rows) - --- Test behavior with an unknown-type literal in the WITH -WITH q AS (SELECT 'foo' AS x) -SELECT x, pg_typeof(x) FROM q; - x | pg_typeof ------+----------- - foo | text -(1 row) - -WITH RECURSIVE t(n) AS ( - SELECT 'foo' -UNION ALL - SELECT n || ' bar' FROM t WHERE length(n) < 20 -) -SELECT n, pg_typeof(n) FROM t; - n | pg_typeof --------------------------+----------- - foo | text - foo bar | text - foo bar bar | text - foo bar bar bar | text - foo bar bar bar bar | text - foo bar bar bar bar bar | text -(6 rows) - --- In a perfect world, this would work and resolve the literal as int ... --- but for now, we have to be content with resolving to text too soon. -WITH RECURSIVE t(n) AS ( - SELECT '7' -UNION ALL - SELECT n+1 FROM t WHERE n < 10 -) -SELECT n, pg_typeof(n) FROM t; -ERROR: operator does not exist: text + integer -LINE 4: SELECT n+1 FROM t WHERE n < 10 - ^ -HINT: No operator matches the given name and argument types. You might need to add explicit type casts. --- Deeply nested WITH caused a list-munging problem in v13 --- Detection of cross-references and self-references -WITH RECURSIVE w1(c1) AS - (WITH w2(c2) AS - (WITH w3(c3) AS - (WITH w4(c4) AS - (WITH w5(c5) AS - (WITH RECURSIVE w6(c6) AS - (WITH w6(c6) AS - (WITH w8(c8) AS - (SELECT 1) - SELECT * FROM w8) - SELECT * FROM w6) - SELECT * FROM w6) - SELECT * FROM w5) - SELECT * FROM w4) - SELECT * FROM w3) - SELECT * FROM w2) -SELECT * FROM w1; - c1 ----- - 1 -(1 row) - --- Detection of invalid self-references -WITH RECURSIVE outermost(x) AS ( - SELECT 1 - UNION (WITH innermost1 AS ( - SELECT 2 - UNION (WITH innermost2 AS ( - SELECT 3 - UNION (WITH innermost3 AS ( - SELECT 4 - UNION (WITH innermost4 AS ( - SELECT 5 - UNION (WITH innermost5 AS ( - SELECT 6 - UNION (WITH innermost6 AS - (SELECT 7) - SELECT * FROM innermost6)) - SELECT * FROM innermost5)) - SELECT * FROM innermost4)) - SELECT * FROM innermost3)) - SELECT * FROM innermost2)) - SELECT * FROM outermost - UNION SELECT * FROM innermost1) - ) - SELECT * FROM outermost ORDER BY 1; - x ---- - 1 - 2 - 3 - 4 - 5 - 6 - 7 -(7 rows) - --- --- Some examples with a tree --- --- department structure represented here is as follows: --- --- ROOT-+->A-+->B-+->C --- | | --- | +->D-+->F --- +->E-+->G -CREATE TEMP TABLE department ( - id INTEGER PRIMARY KEY, -- department ID - parent_department INTEGER REFERENCES department, -- upper department ID - name TEXT -- department name -); -INSERT INTO department VALUES (0, NULL, 'ROOT'); -INSERT INTO department VALUES (1, 0, 'A'); -INSERT INTO department VALUES (2, 1, 'B'); -INSERT INTO department VALUES (3, 2, 'C'); -INSERT INTO department VALUES (4, 2, 'D'); -INSERT INTO department VALUES (5, 0, 'E'); -INSERT INTO department VALUES (6, 4, 'F'); -INSERT INTO department VALUES (7, 5, 'G'); --- extract all departments under 'A'. Result should be A, B, C, D and F -WITH RECURSIVE subdepartment AS -( - -- non recursive term - SELECT name as root_name, * FROM department WHERE name = 'A' - UNION ALL - -- recursive term - SELECT sd.root_name, d.* FROM department AS d, subdepartment AS sd - WHERE d.parent_department = sd.id -) -SELECT * FROM subdepartment ORDER BY name; - root_name | id | parent_department | name ------------+----+-------------------+------ - A | 1 | 0 | A - A | 2 | 1 | B - A | 3 | 2 | C - A | 4 | 2 | D - A | 6 | 4 | F -(5 rows) - --- extract all departments under 'A' with "level" number -WITH RECURSIVE subdepartment(level, id, parent_department, name) AS -( - -- non recursive term - SELECT 1, * FROM department WHERE name = 'A' - UNION ALL - -- recursive term - SELECT sd.level + 1, d.* FROM department AS d, subdepartment AS sd - WHERE d.parent_department = sd.id -) -SELECT * FROM subdepartment ORDER BY name; - level | id | parent_department | name --------+----+-------------------+------ - 1 | 1 | 0 | A - 2 | 2 | 1 | B - 3 | 3 | 2 | C - 3 | 4 | 2 | D - 4 | 6 | 4 | F -(5 rows) - --- extract all departments under 'A' with "level" number. --- Only shows level 2 or more -WITH RECURSIVE subdepartment(level, id, parent_department, name) AS -( - -- non recursive term - SELECT 1, * FROM department WHERE name = 'A' - UNION ALL - -- recursive term - SELECT sd.level + 1, d.* FROM department AS d, subdepartment AS sd - WHERE d.parent_department = sd.id -) -SELECT * FROM subdepartment WHERE level >= 2 ORDER BY name; - level | id | parent_department | name --------+----+-------------------+------ - 2 | 2 | 1 | B - 3 | 3 | 2 | C - 3 | 4 | 2 | D - 4 | 6 | 4 | F -(4 rows) - --- "RECURSIVE" is ignored if the query has no self-reference -WITH RECURSIVE subdepartment AS -( - -- note lack of recursive UNION structure - SELECT * FROM department WHERE name = 'A' -) -SELECT * FROM subdepartment ORDER BY name; - id | parent_department | name -----+-------------------+------ - 1 | 0 | A -(1 row) - --- exercise the deduplication code of a UNION with mixed input slot types -WITH RECURSIVE subdepartment AS -( - -- select all columns to prevent projection - SELECT id, parent_department, name FROM department WHERE name = 'A' - UNION - -- joins do projection - SELECT d.id, d.parent_department, d.name FROM department AS d - INNER JOIN subdepartment AS sd ON d.parent_department = sd.id -) -SELECT * FROM subdepartment ORDER BY name; - id | parent_department | name -----+-------------------+------ - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 6 | 4 | F -(5 rows) - --- inside subqueries -SELECT count(*) FROM ( - WITH RECURSIVE t(n) AS ( - SELECT 1 UNION ALL SELECT n + 1 FROM t WHERE n < 500 - ) - SELECT * FROM t) AS t WHERE n < ( - SELECT count(*) FROM ( - WITH RECURSIVE t(n) AS ( - SELECT 1 UNION ALL SELECT n + 1 FROM t WHERE n < 100 - ) - SELECT * FROM t WHERE n < 50000 - ) AS t WHERE n < 100); - count -------- - 98 -(1 row) - --- use same CTE twice at different subquery levels -WITH q1(x,y) AS ( - SELECT hundred, sum(ten) FROM tenk1 GROUP BY hundred - ) -SELECT count(*) FROM q1 WHERE y > (SELECT sum(y)/100 FROM q1 qsub); - count -------- - 50 -(1 row) - --- via a VIEW -CREATE TEMPORARY VIEW vsubdepartment AS - WITH RECURSIVE subdepartment AS - ( - -- non recursive term - SELECT * FROM department WHERE name = 'A' - UNION ALL - -- recursive term - SELECT d.* FROM department AS d, subdepartment AS sd - WHERE d.parent_department = sd.id - ) - SELECT * FROM subdepartment; -SELECT * FROM vsubdepartment ORDER BY name; - id | parent_department | name -----+-------------------+------ - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 6 | 4 | F -(5 rows) - --- Check reverse listing -SELECT pg_get_viewdef('vsubdepartment'::regclass); - pg_get_viewdef ------------------------------------------------ - WITH RECURSIVE subdepartment AS ( + - SELECT department.id, + - department.parent_department, + - department.name + - FROM department + - WHERE (department.name = 'A'::text)+ - UNION ALL + - SELECT d.id, + - d.parent_department, + - d.name + - FROM department d, + - subdepartment sd + - WHERE (d.parent_department = sd.id)+ - ) + - SELECT id, + - parent_department, + - name + - FROM subdepartment; -(1 row) - -SELECT pg_get_viewdef('vsubdepartment'::regclass, true); - pg_get_viewdef ---------------------------------------------- - WITH RECURSIVE subdepartment AS ( + - SELECT department.id, + - department.parent_department, + - department.name + - FROM department + - WHERE department.name = 'A'::text+ - UNION ALL + - SELECT d.id, + - d.parent_department, + - d.name + - FROM department d, + - subdepartment sd + - WHERE d.parent_department = sd.id+ - ) + - SELECT id, + - parent_department, + - name + - FROM subdepartment; -(1 row) - --- Another reverse-listing example -CREATE VIEW sums_1_100 AS -WITH RECURSIVE t(n) AS ( - VALUES (1) -UNION ALL - SELECT n+1 FROM t WHERE n < 100 -) -SELECT sum(n) FROM t; -\d+ sums_1_100 - View "public.sums_1_100" - Column | Type | Collation | Nullable | Default | Storage | Description ---------+--------+-----------+----------+---------+---------+------------- - sum | bigint | | | | plain | -View definition: - WITH RECURSIVE t(n) AS ( - VALUES (1) - UNION ALL - SELECT t_1.n + 1 - FROM t t_1 - WHERE t_1.n < 100 - ) - SELECT sum(n) AS sum - FROM t; - --- corner case in which sub-WITH gets initialized first -with recursive q as ( - select * from department - union all - (with x as (select * from q) - select * from x) - ) -select * from q limit 24; - id | parent_department | name -----+-------------------+------ - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G -(24 rows) - -with recursive q as ( - select * from department - union all - (with recursive x as ( - select * from department - union all - (select * from q union all select * from x) - ) - select * from x) - ) -select * from q limit 32; - id | parent_department | name -----+-------------------+------ - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G - 0 | | ROOT - 1 | 0 | A - 2 | 1 | B - 3 | 2 | C - 4 | 2 | D - 5 | 0 | E - 6 | 4 | F - 7 | 5 | G -(32 rows) - --- recursive term has sub-UNION -WITH RECURSIVE t(i,j) AS ( - VALUES (1,2) - UNION ALL - SELECT t2.i, t.j+1 FROM - (SELECT 2 AS i UNION ALL SELECT 3 AS i) AS t2 - JOIN t ON (t2.i = t.i+1)) - SELECT * FROM t; - i | j ----+--- - 1 | 2 - 2 | 3 - 3 | 4 -(3 rows) - --- --- different tree example --- -CREATE TEMPORARY TABLE tree( - id INTEGER PRIMARY KEY, - parent_id INTEGER REFERENCES tree(id) -); -INSERT INTO tree -VALUES (1, NULL), (2, 1), (3,1), (4,2), (5,2), (6,2), (7,3), (8,3), - (9,4), (10,4), (11,7), (12,7), (13,7), (14, 9), (15,11), (16,11); --- --- get all paths from "second level" nodes to leaf nodes --- -WITH RECURSIVE t(id, path) AS ( - VALUES(1,ARRAY[]::integer[]) -UNION ALL - SELECT tree.id, t.path || tree.id - FROM tree JOIN t ON (tree.parent_id = t.id) -) -SELECT t1.*, t2.* FROM t AS t1 JOIN t AS t2 ON - (t1.path[1] = t2.path[1] AND - array_upper(t1.path,1) = 1 AND - array_upper(t2.path,1) > 1) - ORDER BY t1.id, t2.id; - id | path | id | path -----+------+----+------------- - 2 | {2} | 4 | {2,4} - 2 | {2} | 5 | {2,5} - 2 | {2} | 6 | {2,6} - 2 | {2} | 9 | {2,4,9} - 2 | {2} | 10 | {2,4,10} - 2 | {2} | 14 | {2,4,9,14} - 3 | {3} | 7 | {3,7} - 3 | {3} | 8 | {3,8} - 3 | {3} | 11 | {3,7,11} - 3 | {3} | 12 | {3,7,12} - 3 | {3} | 13 | {3,7,13} - 3 | {3} | 15 | {3,7,11,15} - 3 | {3} | 16 | {3,7,11,16} -(13 rows) - --- just count 'em -WITH RECURSIVE t(id, path) AS ( - VALUES(1,ARRAY[]::integer[]) -UNION ALL - SELECT tree.id, t.path || tree.id - FROM tree JOIN t ON (tree.parent_id = t.id) -) -SELECT t1.id, count(t2.*) FROM t AS t1 JOIN t AS t2 ON - (t1.path[1] = t2.path[1] AND - array_upper(t1.path,1) = 1 AND - array_upper(t2.path,1) > 1) - GROUP BY t1.id - ORDER BY t1.id; - id | count -----+------- - 2 | 6 - 3 | 7 -(2 rows) - --- this variant tickled a whole-row-variable bug in 8.4devel -WITH RECURSIVE t(id, path) AS ( - VALUES(1,ARRAY[]::integer[]) -UNION ALL - SELECT tree.id, t.path || tree.id - FROM tree JOIN t ON (tree.parent_id = t.id) -) -SELECT t1.id, t2.path, t2 FROM t AS t1 JOIN t AS t2 ON -(t1.id=t2.id); - id | path | t2 -----+-------------+-------------------- - 1 | {} | (1,{}) - 2 | {2} | (2,{2}) - 3 | {3} | (3,{3}) - 4 | {2,4} | (4,"{2,4}") - 5 | {2,5} | (5,"{2,5}") - 6 | {2,6} | (6,"{2,6}") - 7 | {3,7} | (7,"{3,7}") - 8 | {3,8} | (8,"{3,8}") - 9 | {2,4,9} | (9,"{2,4,9}") - 10 | {2,4,10} | (10,"{2,4,10}") - 11 | {3,7,11} | (11,"{3,7,11}") - 12 | {3,7,12} | (12,"{3,7,12}") - 13 | {3,7,13} | (13,"{3,7,13}") - 14 | {2,4,9,14} | (14,"{2,4,9,14}") - 15 | {3,7,11,15} | (15,"{3,7,11,15}") - 16 | {3,7,11,16} | (16,"{3,7,11,16}") -(16 rows) - -CREATE TEMP TABLE duplicates (a INT NOT NULL); -INSERT INTO duplicates VALUES(1), (1); --- Try out a recursive UNION case where the non-recursive part's table slot --- uses TTSOpsBufferHeapTuple and contains duplicate rows. -WITH RECURSIVE cte (a) as ( - SELECT a FROM duplicates - UNION - SELECT a FROM cte -) -SELECT a FROM cte; - a ---- - 1 -(1 row) - --- test that column statistics from a materialized CTE are available --- to upper planner (otherwise, we'd get a stupider plan) -explain (costs off) -with x as materialized (select unique1 from tenk1 b) -select count(*) from tenk1 a - where unique1 in (select * from x); - QUERY PLAN ------------------------------------------------------------- - Aggregate - CTE x - -> Index Only Scan using tenk1_unique1 on tenk1 b - -> Hash Semi Join - Hash Cond: (a.unique1 = x.unique1) - -> Index Only Scan using tenk1_unique1 on tenk1 a - -> Hash - -> CTE Scan on x -(8 rows) - -explain (costs off) -with x as materialized (insert into tenk1 default values returning unique1) -select count(*) from tenk1 a - where unique1 in (select * from x); - QUERY PLAN ------------------------------------------------------------- - Aggregate - CTE x - -> Insert on tenk1 - -> Result - -> Nested Loop - -> HashAggregate - Group Key: x.unique1 - -> CTE Scan on x - -> Index Only Scan using tenk1_unique1 on tenk1 a - Index Cond: (unique1 = x.unique1) -(10 rows) - --- test that pathkeys from a materialized CTE are propagated up to the --- outer query -explain (costs off) -with x as materialized (select unique1 from tenk1 b order by unique1) -select count(*) from tenk1 a - where unique1 in (select * from x); - QUERY PLAN ------------------------------------------------------------- - Aggregate - CTE x - -> Index Only Scan using tenk1_unique1 on tenk1 b - -> Merge Semi Join - Merge Cond: (a.unique1 = x.unique1) - -> Index Only Scan using tenk1_unique1 on tenk1 a - -> CTE Scan on x -(7 rows) - --- SEARCH clause -create temp table graph0( f int, t int, label text ); -insert into graph0 values - (1, 2, 'arc 1 -> 2'), - (1, 3, 'arc 1 -> 3'), - (2, 3, 'arc 2 -> 3'), - (1, 4, 'arc 1 -> 4'), - (4, 5, 'arc 4 -> 5'); -explain (verbose, costs off) -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq -select * from search_graph order by seq; - QUERY PLAN ----------------------------------------------------------------------------------------------- - Sort - Output: search_graph.f, search_graph.t, search_graph.label, search_graph.seq - Sort Key: search_graph.seq - CTE search_graph - -> Recursive Union - -> Seq Scan on pg_temp.graph0 g - Output: g.f, g.t, g.label, ARRAY[ROW(g.f, g.t)] - -> Merge Join - Output: g_1.f, g_1.t, g_1.label, array_cat(sg.seq, ARRAY[ROW(g_1.f, g_1.t)]) - Merge Cond: (g_1.f = sg.t) - -> Sort - Output: g_1.f, g_1.t, g_1.label - Sort Key: g_1.f - -> Seq Scan on pg_temp.graph0 g_1 - Output: g_1.f, g_1.t, g_1.label - -> Sort - Output: sg.seq, sg.t - Sort Key: sg.t - -> WorkTable Scan on search_graph sg - Output: sg.seq, sg.t - -> CTE Scan on search_graph - Output: search_graph.f, search_graph.t, search_graph.label, search_graph.seq -(22 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq -select * from search_graph order by seq; - f | t | label | seq ----+---+------------+------------------- - 1 | 2 | arc 1 -> 2 | {"(1,2)"} - 2 | 3 | arc 2 -> 3 | {"(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | {"(1,3)"} - 1 | 4 | arc 1 -> 4 | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | {"(1,4)","(4,5)"} - 2 | 3 | arc 2 -> 3 | {"(2,3)"} - 4 | 5 | arc 4 -> 5 | {"(4,5)"} -(7 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union distinct - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq -select * from search_graph order by seq; - f | t | label | seq ----+---+------------+------------------- - 1 | 2 | arc 1 -> 2 | {"(1,2)"} - 2 | 3 | arc 2 -> 3 | {"(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | {"(1,3)"} - 1 | 4 | arc 1 -> 4 | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | {"(1,4)","(4,5)"} - 2 | 3 | arc 2 -> 3 | {"(2,3)"} - 4 | 5 | arc 4 -> 5 | {"(4,5)"} -(7 rows) - -explain (verbose, costs off) -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search breadth first by f, t set seq -select * from search_graph order by seq; - QUERY PLAN -------------------------------------------------------------------------------------------------- - Sort - Output: search_graph.f, search_graph.t, search_graph.label, search_graph.seq - Sort Key: search_graph.seq - CTE search_graph - -> Recursive Union - -> Seq Scan on pg_temp.graph0 g - Output: g.f, g.t, g.label, ROW('0'::bigint, g.f, g.t) - -> Merge Join - Output: g_1.f, g_1.t, g_1.label, ROW(int8inc((sg.seq)."*DEPTH*"), g_1.f, g_1.t) - Merge Cond: (g_1.f = sg.t) - -> Sort - Output: g_1.f, g_1.t, g_1.label - Sort Key: g_1.f - -> Seq Scan on pg_temp.graph0 g_1 - Output: g_1.f, g_1.t, g_1.label - -> Sort - Output: sg.seq, sg.t - Sort Key: sg.t - -> WorkTable Scan on search_graph sg - Output: sg.seq, sg.t - -> CTE Scan on search_graph - Output: search_graph.f, search_graph.t, search_graph.label, search_graph.seq -(22 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search breadth first by f, t set seq -select * from search_graph order by seq; - f | t | label | seq ----+---+------------+--------- - 1 | 2 | arc 1 -> 2 | (0,1,2) - 1 | 3 | arc 1 -> 3 | (0,1,3) - 1 | 4 | arc 1 -> 4 | (0,1,4) - 2 | 3 | arc 2 -> 3 | (0,2,3) - 4 | 5 | arc 4 -> 5 | (0,4,5) - 2 | 3 | arc 2 -> 3 | (1,2,3) - 4 | 5 | arc 4 -> 5 | (1,4,5) -(7 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union distinct - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search breadth first by f, t set seq -select * from search_graph order by seq; - f | t | label | seq ----+---+------------+--------- - 1 | 2 | arc 1 -> 2 | (0,1,2) - 1 | 3 | arc 1 -> 3 | (0,1,3) - 1 | 4 | arc 1 -> 4 | (0,1,4) - 2 | 3 | arc 2 -> 3 | (0,2,3) - 4 | 5 | arc 4 -> 5 | (0,4,5) - 2 | 3 | arc 2 -> 3 | (1,2,3) - 4 | 5 | arc 4 -> 5 | (1,4,5) -(7 rows) - --- a constant initial value causes issues for EXPLAIN -explain (verbose, costs off) -with recursive test as ( - select 1 as x - union all - select x + 1 - from test -) search depth first by x set y -select * from test limit 5; - QUERY PLAN ------------------------------------------------------------------------------------------ - Limit - Output: test.x, test.y - CTE test - -> Recursive Union - -> Result - Output: 1, '{(1)}'::record[] - -> WorkTable Scan on test test_1 - Output: (test_1.x + 1), array_cat(test_1.y, ARRAY[ROW((test_1.x + 1))]) - -> CTE Scan on test - Output: test.x, test.y -(10 rows) - -with recursive test as ( - select 1 as x - union all - select x + 1 - from test -) search depth first by x set y -select * from test limit 5; - x | y ----+----------------------- - 1 | {(1)} - 2 | {(1),(2)} - 3 | {(1),(2),(3)} - 4 | {(1),(2),(3),(4)} - 5 | {(1),(2),(3),(4),(5)} -(5 rows) - -explain (verbose, costs off) -with recursive test as ( - select 1 as x - union all - select x + 1 - from test -) search breadth first by x set y -select * from test limit 5; - QUERY PLAN --------------------------------------------------------------------------------------------- - Limit - Output: test.x, test.y - CTE test - -> Recursive Union - -> Result - Output: 1, '(0,1)'::record - -> WorkTable Scan on test test_1 - Output: (test_1.x + 1), ROW(int8inc((test_1.y)."*DEPTH*"), (test_1.x + 1)) - -> CTE Scan on test - Output: test.x, test.y -(10 rows) - -with recursive test as ( - select 1 as x - union all - select x + 1 - from test -) search breadth first by x set y -select * from test limit 5; - x | y ----+------- - 1 | (0,1) - 2 | (1,2) - 3 | (2,3) - 4 | (3,4) - 5 | (4,5) -(5 rows) - --- various syntax errors -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by foo, tar set seq -select * from search_graph; -ERROR: search column "foo" not in WITH query column list -LINE 7: ) search depth first by foo, tar set seq - ^ -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set label -select * from search_graph; -ERROR: search sequence column name "label" already used in WITH query column list -LINE 7: ) search depth first by f, t set label - ^ -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t, f set seq -select * from search_graph; -ERROR: search column "f" specified more than once -LINE 7: ) search depth first by f, t, f set seq - ^ -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq -select * from search_graph order by seq; -ERROR: with a SEARCH or CYCLE clause, the left side of the UNION must be a SELECT -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - (select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t) -) search depth first by f, t set seq -select * from search_graph order by seq; -ERROR: with a SEARCH or CYCLE clause, the right side of the UNION must be a SELECT --- check that we distinguish same CTE name used at different levels --- (this case could be supported, perhaps, but it isn't today) -with recursive x(col) as ( - select 1 - union - (with x as (select * from x) - select * from x) -) search depth first by col set seq -select * from x; -ERROR: with a SEARCH or CYCLE clause, the recursive reference to WITH query "x" must be at the top level of its right-hand SELECT --- test ruleutils and view expansion -create temp view v_search as -with recursive search_graph(f, t, label) as ( - select * from graph0 g - union all - select g.* - from graph0 g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq -select f, t, label from search_graph; -select pg_get_viewdef('v_search'); - pg_get_viewdef ------------------------------------------------- - WITH RECURSIVE search_graph(f, t, label) AS (+ - SELECT g.f, + - g.t, + - g.label + - FROM graph0 g + - UNION ALL + - SELECT g.f, + - g.t, + - g.label + - FROM graph0 g, + - search_graph sg + - WHERE (g.f = sg.t) + - ) SEARCH DEPTH FIRST BY f, t SET seq + - SELECT f, + - t, + - label + - FROM search_graph; -(1 row) - -select * from v_search; - f | t | label ----+---+------------ - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 2 | 3 | arc 2 -> 3 - 1 | 4 | arc 1 -> 4 - 4 | 5 | arc 4 -> 5 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 -(7 rows) - --- --- test cycle detection --- -create temp table graph( f int, t int, label text ); -insert into graph values - (1, 2, 'arc 1 -> 2'), - (1, 3, 'arc 1 -> 3'), - (2, 3, 'arc 2 -> 3'), - (1, 4, 'arc 1 -> 4'), - (4, 5, 'arc 4 -> 5'), - (5, 1, 'arc 5 -> 1'); -with recursive search_graph(f, t, label, is_cycle, path) as ( - select *, false, array[row(g.f, g.t)] from graph g - union all - select g.*, row(g.f, g.t) = any(path), path || row(g.f, g.t) - from graph g, search_graph sg - where g.f = sg.t and not is_cycle -) -select * from search_graph; - f | t | label | is_cycle | path ----+---+------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | f | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | f | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - --- UNION DISTINCT exercises row type hashing support -with recursive search_graph(f, t, label, is_cycle, path) as ( - select *, false, array[row(g.f, g.t)] from graph g - union distinct - select g.*, row(g.f, g.t) = any(path), path || row(g.f, g.t) - from graph g, search_graph sg - where g.f = sg.t and not is_cycle -) -select * from search_graph; - f | t | label | is_cycle | path ----+---+------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | f | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | f | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - --- ordering by the path column has same effect as SEARCH DEPTH FIRST -with recursive search_graph(f, t, label, is_cycle, path) as ( - select *, false, array[row(g.f, g.t)] from graph g - union all - select g.*, row(g.f, g.t) = any(path), path || row(g.f, g.t) - from graph g, search_graph sg - where g.f = sg.t and not is_cycle -) -select * from search_graph order by path; - f | t | label | is_cycle | path ----+---+------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | f | {"(1,2)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(4,5)","(5,1)","(1,2)"} - 2 | 3 | arc 2 -> 3 | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(4,5)","(5,1)","(1,4)"} - 4 | 5 | arc 4 -> 5 | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(5,1)","(1,2)"} - 2 | 3 | arc 2 -> 3 | f | {"(5,1)","(1,2)","(2,3)"} - 1 | 3 | arc 1 -> 3 | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(5,1)","(1,4)"} - 4 | 5 | arc 4 -> 5 | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} -(25 rows) - --- CYCLE clause -explain (verbose, costs off) -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle using path -select * from search_graph; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - CTE Scan on search_graph - Output: search_graph.f, search_graph.t, search_graph.label, search_graph.is_cycle, search_graph.path - CTE search_graph - -> Recursive Union - -> Seq Scan on pg_temp.graph g - Output: g.f, g.t, g.label, false, ARRAY[ROW(g.f, g.t)] - -> Merge Join - Output: g_1.f, g_1.t, g_1.label, CASE WHEN (ROW(g_1.f, g_1.t) = ANY (sg.path)) THEN true ELSE false END, array_cat(sg.path, ARRAY[ROW(g_1.f, g_1.t)]) - Merge Cond: (g_1.f = sg.t) - -> Sort - Output: g_1.f, g_1.t, g_1.label - Sort Key: g_1.f - -> Seq Scan on pg_temp.graph g_1 - Output: g_1.f, g_1.t, g_1.label - -> Sort - Output: sg.path, sg.t - Sort Key: sg.t - -> WorkTable Scan on search_graph sg - Output: sg.path, sg.t - Filter: (NOT sg.is_cycle) -(20 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle using path -select * from search_graph; - f | t | label | is_cycle | path ----+---+------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | f | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | f | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | f | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph g - union distinct - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to 'Y' default 'N' using path -select * from search_graph; - f | t | label | is_cycle | path ----+---+------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | N | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | N | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | N | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | N | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | N | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | N | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | N | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | N | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | N | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | N | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | N | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | N | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | N | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | N | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | N | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | N | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | N | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | N | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | N | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | N | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | Y | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | N | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | Y | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | Y | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | N | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - -explain (verbose, costs off) -with recursive test as ( - select 0 as x - union all - select (x + 1) % 10 - from test -) cycle x set is_cycle using path -select * from test; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - CTE Scan on test - Output: test.x, test.is_cycle, test.path - CTE test - -> Recursive Union - -> Result - Output: 0, false, '{(0)}'::record[] - -> WorkTable Scan on test test_1 - Output: ((test_1.x + 1) % 10), CASE WHEN (ROW(((test_1.x + 1) % 10)) = ANY (test_1.path)) THEN true ELSE false END, array_cat(test_1.path, ARRAY[ROW(((test_1.x + 1) % 10))]) - Filter: (NOT test_1.is_cycle) -(9 rows) - -with recursive test as ( - select 0 as x - union all - select (x + 1) % 10 - from test -) cycle x set is_cycle using path -select * from test; - x | is_cycle | path ----+----------+----------------------------------------------- - 0 | f | {(0)} - 1 | f | {(0),(1)} - 2 | f | {(0),(1),(2)} - 3 | f | {(0),(1),(2),(3)} - 4 | f | {(0),(1),(2),(3),(4)} - 5 | f | {(0),(1),(2),(3),(4),(5)} - 6 | f | {(0),(1),(2),(3),(4),(5),(6)} - 7 | f | {(0),(1),(2),(3),(4),(5),(6),(7)} - 8 | f | {(0),(1),(2),(3),(4),(5),(6),(7),(8)} - 9 | f | {(0),(1),(2),(3),(4),(5),(6),(7),(8),(9)} - 0 | t | {(0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(0)} -(11 rows) - -with recursive test as ( - select 0 as x - union all - select (x + 1) % 10 - from test - where not is_cycle -- redundant, but legal -) cycle x set is_cycle using path -select * from test; - x | is_cycle | path ----+----------+----------------------------------------------- - 0 | f | {(0)} - 1 | f | {(0),(1)} - 2 | f | {(0),(1),(2)} - 3 | f | {(0),(1),(2),(3)} - 4 | f | {(0),(1),(2),(3),(4)} - 5 | f | {(0),(1),(2),(3),(4),(5)} - 6 | f | {(0),(1),(2),(3),(4),(5),(6)} - 7 | f | {(0),(1),(2),(3),(4),(5),(6),(7)} - 8 | f | {(0),(1),(2),(3),(4),(5),(6),(7),(8)} - 9 | f | {(0),(1),(2),(3),(4),(5),(6),(7),(8),(9)} - 0 | t | {(0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(0)} -(11 rows) - --- multiple CTEs -with recursive -graph(f, t, label) as ( - values (1, 2, 'arc 1 -> 2'), - (1, 3, 'arc 1 -> 3'), - (2, 3, 'arc 2 -> 3'), - (1, 4, 'arc 1 -> 4'), - (4, 5, 'arc 4 -> 5'), - (5, 1, 'arc 5 -> 1') -), -search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to true default false using path -select f, t, label from search_graph; - f | t | label ----+---+------------ - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 2 | 3 | arc 2 -> 3 - 1 | 4 | arc 1 -> 4 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 4 | arc 1 -> 4 - 1 | 3 | arc 1 -> 3 - 1 | 2 | arc 1 -> 2 - 5 | 1 | arc 5 -> 1 - 1 | 4 | arc 1 -> 4 - 1 | 3 | arc 1 -> 3 - 1 | 2 | arc 1 -> 2 - 4 | 5 | arc 4 -> 5 - 2 | 3 | arc 2 -> 3 - 1 | 4 | arc 1 -> 4 - 1 | 3 | arc 1 -> 3 - 1 | 2 | arc 1 -> 2 - 4 | 5 | arc 4 -> 5 - 2 | 3 | arc 2 -> 3 - 5 | 1 | arc 5 -> 1 - 2 | 3 | arc 2 -> 3 -(25 rows) - --- star expansion -with recursive a as ( - select 1 as b - union all - select * from a -) cycle b set c using p -select * from a; - b | c | p ----+---+----------- - 1 | f | {(1)} - 1 | t | {(1),(1)} -(2 rows) - --- search+cycle -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) search depth first by f, t set seq - cycle f, t set is_cycle using path -select * from search_graph; - f | t | label | seq | is_cycle | path ----+---+------------+-------------------------------------------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | {"(1,2)"} | f | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | {"(1,3)"} | f | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | {"(2,3)"} | f | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | {"(1,4)"} | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | {"(4,5)"} | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | {"(5,1)"} | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | {"(5,1)","(1,2)"} | f | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | {"(5,1)","(1,3)"} | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | {"(5,1)","(1,4)"} | f | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | {"(1,2)","(2,3)"} | f | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | {"(1,4)","(4,5)"} | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | {"(4,5)","(5,1)"} | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | {"(4,5)","(5,1)","(1,2)"} | f | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | {"(4,5)","(5,1)","(1,3)"} | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | {"(4,5)","(5,1)","(1,4)"} | f | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | {"(5,1)","(1,2)","(2,3)"} | f | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | {"(5,1)","(1,4)","(4,5)"} | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | {"(1,4)","(4,5)","(5,1)"} | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | {"(1,4)","(4,5)","(5,1)","(1,2)"} | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | {"(1,4)","(4,5)","(5,1)","(1,3)"} | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | {"(1,4)","(4,5)","(5,1)","(1,4)"} | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | {"(4,5)","(5,1)","(1,2)","(2,3)"} | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | {"(4,5)","(5,1)","(1,4)","(4,5)"} | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | {"(5,1)","(1,4)","(4,5)","(5,1)"} | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) search breadth first by f, t set seq - cycle f, t set is_cycle using path -select * from search_graph; - f | t | label | seq | is_cycle | path ----+---+------------+---------+----------+------------------------------------------- - 1 | 2 | arc 1 -> 2 | (0,1,2) | f | {"(1,2)"} - 1 | 3 | arc 1 -> 3 | (0,1,3) | f | {"(1,3)"} - 2 | 3 | arc 2 -> 3 | (0,2,3) | f | {"(2,3)"} - 1 | 4 | arc 1 -> 4 | (0,1,4) | f | {"(1,4)"} - 4 | 5 | arc 4 -> 5 | (0,4,5) | f | {"(4,5)"} - 5 | 1 | arc 5 -> 1 | (0,5,1) | f | {"(5,1)"} - 1 | 2 | arc 1 -> 2 | (1,1,2) | f | {"(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | (1,1,3) | f | {"(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | (1,1,4) | f | {"(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | (1,2,3) | f | {"(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | (1,4,5) | f | {"(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | (1,5,1) | f | {"(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | (2,1,2) | f | {"(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | (2,1,3) | f | {"(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | (2,1,4) | f | {"(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | (2,2,3) | f | {"(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | (2,4,5) | f | {"(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | (2,5,1) | f | {"(1,4)","(4,5)","(5,1)"} - 1 | 2 | arc 1 -> 2 | (3,1,2) | f | {"(1,4)","(4,5)","(5,1)","(1,2)"} - 1 | 3 | arc 1 -> 3 | (3,1,3) | f | {"(1,4)","(4,5)","(5,1)","(1,3)"} - 1 | 4 | arc 1 -> 4 | (3,1,4) | t | {"(1,4)","(4,5)","(5,1)","(1,4)"} - 2 | 3 | arc 2 -> 3 | (3,2,3) | f | {"(4,5)","(5,1)","(1,2)","(2,3)"} - 4 | 5 | arc 4 -> 5 | (3,4,5) | t | {"(4,5)","(5,1)","(1,4)","(4,5)"} - 5 | 1 | arc 5 -> 1 | (3,5,1) | t | {"(5,1)","(1,4)","(4,5)","(5,1)"} - 2 | 3 | arc 2 -> 3 | (4,2,3) | f | {"(1,4)","(4,5)","(5,1)","(1,2)","(2,3)"} -(25 rows) - --- various syntax errors -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle foo, tar set is_cycle using path -select * from search_graph; -ERROR: cycle column "foo" not in WITH query column list -LINE 7: ) cycle foo, tar set is_cycle using path - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to true default 55 using path -select * from search_graph; -ERROR: CYCLE types boolean and integer cannot be matched -LINE 7: ) cycle f, t set is_cycle to true default 55 using path - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to point '(1,1)' default point '(0,0)' using path -select * from search_graph; -ERROR: could not identify an equality operator for type point -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set label to true default false using path -select * from search_graph; -ERROR: cycle mark column name "label" already used in WITH query column list -LINE 7: ) cycle f, t set label to true default false using path - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to true default false using label -select * from search_graph; -ERROR: cycle path column name "label" already used in WITH query column list -LINE 7: ) cycle f, t set is_cycle to true default false using label - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set foo to true default false using foo -select * from search_graph; -ERROR: cycle mark column name and cycle path column name are the same -LINE 7: ) cycle f, t set foo to true default false using foo - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t, f set is_cycle to true default false using path -select * from search_graph; -ERROR: cycle column "f" specified more than once -LINE 7: ) cycle f, t, f set is_cycle to true default false using pat... - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) search depth first by f, t set foo - cycle f, t set foo to true default false using path -select * from search_graph; -ERROR: search sequence column name and cycle mark column name are the same -LINE 7: ) search depth first by f, t set foo - ^ -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) search depth first by f, t set foo - cycle f, t set is_cycle to true default false using foo -select * from search_graph; -ERROR: search sequence column name and cycle path column name are the same -LINE 7: ) search depth first by f, t set foo - ^ --- test ruleutils and view expansion -create temp view v_cycle1 as -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle using path -select f, t, label from search_graph; -create temp view v_cycle2 as -with recursive search_graph(f, t, label) as ( - select * from graph g - union all - select g.* - from graph g, search_graph sg - where g.f = sg.t -) cycle f, t set is_cycle to 'Y' default 'N' using path -select f, t, label from search_graph; -select pg_get_viewdef('v_cycle1'); - pg_get_viewdef ------------------------------------------------- - WITH RECURSIVE search_graph(f, t, label) AS (+ - SELECT g.f, + - g.t, + - g.label + - FROM graph g + - UNION ALL + - SELECT g.f, + - g.t, + - g.label + - FROM graph g, + - search_graph sg + - WHERE (g.f = sg.t) + - ) CYCLE f, t SET is_cycle USING path + - SELECT f, + - t, + - label + - FROM search_graph; -(1 row) - -select pg_get_viewdef('v_cycle2'); - pg_get_viewdef ------------------------------------------------------------------------------ - WITH RECURSIVE search_graph(f, t, label) AS ( + - SELECT g.f, + - g.t, + - g.label + - FROM graph g + - UNION ALL + - SELECT g.f, + - g.t, + - g.label + - FROM graph g, + - search_graph sg + - WHERE (g.f = sg.t) + - ) CYCLE f, t SET is_cycle TO 'Y'::text DEFAULT 'N'::text USING path+ - SELECT f, + - t, + - label + - FROM search_graph; -(1 row) - -select * from v_cycle1; - f | t | label ----+---+------------ - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 2 | 3 | arc 2 -> 3 - 1 | 4 | arc 1 -> 4 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 2 | 3 | arc 2 -> 3 -(25 rows) - -select * from v_cycle2; - f | t | label ----+---+------------ - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 2 | 3 | arc 2 -> 3 - 1 | 4 | arc 1 -> 4 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 1 | 2 | arc 1 -> 2 - 1 | 3 | arc 1 -> 3 - 1 | 4 | arc 1 -> 4 - 2 | 3 | arc 2 -> 3 - 4 | 5 | arc 4 -> 5 - 5 | 1 | arc 5 -> 1 - 2 | 3 | arc 2 -> 3 -(25 rows) - --- --- test multiple WITH queries --- -WITH RECURSIVE - y (id) AS (VALUES (1)), - x (id) AS (SELECT * FROM y UNION ALL SELECT id+1 FROM x WHERE id < 5) -SELECT * FROM x; - id ----- - 1 - 2 - 3 - 4 - 5 -(5 rows) - --- forward reference OK -WITH RECURSIVE - x(id) AS (SELECT * FROM y UNION ALL SELECT id+1 FROM x WHERE id < 5), - y(id) AS (values (1)) - SELECT * FROM x; - id ----- - 1 - 2 - 3 - 4 - 5 -(5 rows) - -WITH RECURSIVE - x(id) AS - (VALUES (1) UNION ALL SELECT id+1 FROM x WHERE id < 5), - y(id) AS - (VALUES (1) UNION ALL SELECT id+1 FROM y WHERE id < 10) - SELECT y.*, x.* FROM y LEFT JOIN x USING (id); - id | id -----+---- - 1 | 1 - 2 | 2 - 3 | 3 - 4 | 4 - 5 | 5 - 6 | - 7 | - 8 | - 9 | - 10 | -(10 rows) - -WITH RECURSIVE - x(id) AS - (VALUES (1) UNION ALL SELECT id+1 FROM x WHERE id < 5), - y(id) AS - (VALUES (1) UNION ALL SELECT id+1 FROM x WHERE id < 10) - SELECT y.*, x.* FROM y LEFT JOIN x USING (id); - id | id -----+---- - 1 | 1 - 2 | 2 - 3 | 3 - 4 | 4 - 5 | 5 - 6 | -(6 rows) - -WITH RECURSIVE - x(id) AS - (SELECT 1 UNION ALL SELECT id+1 FROM x WHERE id < 3 ), - y(id) AS - (SELECT * FROM x UNION ALL SELECT * FROM x), - z(id) AS - (SELECT * FROM x UNION ALL SELECT id+1 FROM z WHERE id < 10) - SELECT * FROM z; - id ----- - 1 - 2 - 3 - 2 - 3 - 4 - 3 - 4 - 5 - 4 - 5 - 6 - 5 - 6 - 7 - 6 - 7 - 8 - 7 - 8 - 9 - 8 - 9 - 10 - 9 - 10 - 10 -(27 rows) - -WITH RECURSIVE - x(id) AS - (SELECT 1 UNION ALL SELECT id+1 FROM x WHERE id < 3 ), - y(id) AS - (SELECT * FROM x UNION ALL SELECT * FROM x), - z(id) AS - (SELECT * FROM y UNION ALL SELECT id+1 FROM z WHERE id < 10) - SELECT * FROM z; - id ----- - 1 - 2 - 3 - 1 - 2 - 3 - 2 - 3 - 4 - 2 - 3 - 4 - 3 - 4 - 5 - 3 - 4 - 5 - 4 - 5 - 6 - 4 - 5 - 6 - 5 - 6 - 7 - 5 - 6 - 7 - 6 - 7 - 8 - 6 - 7 - 8 - 7 - 8 - 9 - 7 - 8 - 9 - 8 - 9 - 10 - 8 - 9 - 10 - 9 - 10 - 9 - 10 - 10 - 10 -(54 rows) - --- --- Test WITH attached to a data-modifying statement --- -CREATE TEMPORARY TABLE y (a INTEGER); -INSERT INTO y SELECT generate_series(1, 10); -WITH t AS ( - SELECT a FROM y -) -INSERT INTO y -SELECT a+20 FROM t RETURNING *; - a ----- - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 -(10 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 -(20 rows) - -WITH t AS ( - SELECT a FROM y -) -UPDATE y SET a = y.a-10 FROM t WHERE y.a > 20 AND t.a = y.a RETURNING y.a; - a ----- - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 -(10 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 -(20 rows) - -WITH RECURSIVE t(a) AS ( - SELECT 11 - UNION ALL - SELECT a+1 FROM t WHERE a < 50 -) -DELETE FROM y USING t WHERE t.a = y.a RETURNING y.a; - a ----- - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 -(10 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(10 rows) - -DROP TABLE y; --- --- error cases --- -WITH x(n, b) AS (SELECT 1) -SELECT * FROM x; -ERROR: WITH query "x" has 1 columns available but 2 columns specified -LINE 1: WITH x(n, b) AS (SELECT 1) - ^ --- INTERSECT -WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT SELECT n+1 FROM x) - SELECT * FROM x; -ERROR: recursive query "x" does not have the form non-recursive-term UNION [ALL] recursive-term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT SELECT n+1 FROM x... - ^ -WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT ALL SELECT n+1 FROM x) - SELECT * FROM x; -ERROR: recursive query "x" does not have the form non-recursive-term UNION [ALL] recursive-term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 INTERSECT ALL SELECT n+1 FR... - ^ --- EXCEPT -WITH RECURSIVE x(n) AS (SELECT 1 EXCEPT SELECT n+1 FROM x) - SELECT * FROM x; -ERROR: recursive query "x" does not have the form non-recursive-term UNION [ALL] recursive-term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 EXCEPT SELECT n+1 FROM x) - ^ -WITH RECURSIVE x(n) AS (SELECT 1 EXCEPT ALL SELECT n+1 FROM x) - SELECT * FROM x; -ERROR: recursive query "x" does not have the form non-recursive-term UNION [ALL] recursive-term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 EXCEPT ALL SELECT n+1 FROM ... - ^ --- no non-recursive term -WITH RECURSIVE x(n) AS (SELECT n FROM x) - SELECT * FROM x; -ERROR: recursive query "x" does not have the form non-recursive-term UNION [ALL] recursive-term -LINE 1: WITH RECURSIVE x(n) AS (SELECT n FROM x) - ^ --- recursive term in the left hand side (strictly speaking, should allow this) -WITH RECURSIVE x(n) AS (SELECT n FROM x UNION ALL SELECT 1) - SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within its non-recursive term -LINE 1: WITH RECURSIVE x(n) AS (SELECT n FROM x UNION ALL SELECT 1) - ^ --- allow this, because we historically have -WITH RECURSIVE x(n) AS ( - WITH x1 AS (SELECT 1 AS n) - SELECT 0 - UNION - SELECT * FROM x1) - SELECT * FROM x; - n ---- - 0 - 1 -(2 rows) - --- but this should be rejected -WITH RECURSIVE x(n) AS ( - WITH x1 AS (SELECT 1 FROM x) - SELECT 0 - UNION - SELECT * FROM x1) - SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within a subquery -LINE 2: WITH x1 AS (SELECT 1 FROM x) - ^ --- and this too -WITH RECURSIVE x(n) AS ( - (WITH x1 AS (SELECT 1 FROM x) SELECT * FROM x1) - UNION - SELECT 0) - SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within its non-recursive term -LINE 2: (WITH x1 AS (SELECT 1 FROM x) SELECT * FROM x1) - ^ --- and this -WITH RECURSIVE x(n) AS ( - SELECT 0 UNION SELECT 1 - ORDER BY (SELECT n FROM x)) - SELECT * FROM x; -ERROR: ORDER BY in a recursive query is not implemented -LINE 3: ORDER BY (SELECT n FROM x)) - ^ --- and this -WITH RECURSIVE x(n) AS ( - WITH sub_cte AS (SELECT * FROM x) - DELETE FROM graph RETURNING f) - SELECT * FROM x; -ERROR: recursive query "x" must not contain data-modifying statements -LINE 1: WITH RECURSIVE x(n) AS ( - ^ -CREATE TEMPORARY TABLE y (a INTEGER); -INSERT INTO y SELECT generate_series(1, 10); --- LEFT JOIN -WITH RECURSIVE x(n) AS (SELECT a FROM y WHERE a = 1 - UNION ALL - SELECT x.n+1 FROM y LEFT JOIN x ON x.n = y.a WHERE n < 10) -SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within an outer join -LINE 3: SELECT x.n+1 FROM y LEFT JOIN x ON x.n = y.a WHERE n < 10) - ^ --- RIGHT JOIN -WITH RECURSIVE x(n) AS (SELECT a FROM y WHERE a = 1 - UNION ALL - SELECT x.n+1 FROM x RIGHT JOIN y ON x.n = y.a WHERE n < 10) -SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within an outer join -LINE 3: SELECT x.n+1 FROM x RIGHT JOIN y ON x.n = y.a WHERE n < 10) - ^ --- FULL JOIN -WITH RECURSIVE x(n) AS (SELECT a FROM y WHERE a = 1 - UNION ALL - SELECT x.n+1 FROM x FULL JOIN y ON x.n = y.a WHERE n < 10) -SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within an outer join -LINE 3: SELECT x.n+1 FROM x FULL JOIN y ON x.n = y.a WHERE n < 10) - ^ --- subquery -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT n+1 FROM x - WHERE n IN (SELECT * FROM x)) - SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within a subquery -LINE 2: WHERE n IN (SELECT * FROM x)) - ^ --- aggregate functions -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT count(*) FROM x) - SELECT * FROM x; -ERROR: aggregate functions are not allowed in a recursive query's recursive term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT count(*) F... - ^ -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT sum(n) FROM x) - SELECT * FROM x; -ERROR: aggregate functions are not allowed in a recursive query's recursive term -LINE 1: WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT sum(n) FRO... - ^ --- ORDER BY -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT n+1 FROM x ORDER BY 1) - SELECT * FROM x; -ERROR: ORDER BY in a recursive query is not implemented -LINE 1: ...VE x(n) AS (SELECT 1 UNION ALL SELECT n+1 FROM x ORDER BY 1) - ^ --- LIMIT/OFFSET -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT n+1 FROM x LIMIT 10 OFFSET 1) - SELECT * FROM x; -ERROR: OFFSET in a recursive query is not implemented -LINE 1: ... AS (SELECT 1 UNION ALL SELECT n+1 FROM x LIMIT 10 OFFSET 1) - ^ --- FOR UPDATE -WITH RECURSIVE x(n) AS (SELECT 1 UNION ALL SELECT n+1 FROM x FOR UPDATE) - SELECT * FROM x; -ERROR: FOR UPDATE/SHARE in a recursive query is not implemented --- target list has a recursive query name -WITH RECURSIVE x(id) AS (values (1) - UNION ALL - SELECT (SELECT * FROM x) FROM x WHERE id < 5 -) SELECT * FROM x; -ERROR: recursive reference to query "x" must not appear within a subquery -LINE 3: SELECT (SELECT * FROM x) FROM x WHERE id < 5 - ^ --- mutual recursive query (not implemented) -WITH RECURSIVE - x (id) AS (SELECT 1 UNION ALL SELECT id+1 FROM y WHERE id < 5), - y (id) AS (SELECT 1 UNION ALL SELECT id+1 FROM x WHERE id < 5) -SELECT * FROM x; -ERROR: mutual recursion between WITH items is not implemented -LINE 2: x (id) AS (SELECT 1 UNION ALL SELECT id+1 FROM y WHERE id ... - ^ --- non-linear recursion is not allowed -WITH RECURSIVE foo(i) AS - (values (1) - UNION ALL - (SELECT i+1 FROM foo WHERE i < 10 - UNION ALL - SELECT i+1 FROM foo WHERE i < 5) -) SELECT * FROM foo; -ERROR: recursive reference to query "foo" must not appear more than once -LINE 6: SELECT i+1 FROM foo WHERE i < 5) - ^ -WITH RECURSIVE foo(i) AS - (values (1) - UNION ALL - SELECT * FROM - (SELECT i+1 FROM foo WHERE i < 10 - UNION ALL - SELECT i+1 FROM foo WHERE i < 5) AS t -) SELECT * FROM foo; -ERROR: recursive reference to query "foo" must not appear more than once -LINE 7: SELECT i+1 FROM foo WHERE i < 5) AS t - ^ -WITH RECURSIVE foo(i) AS - (values (1) - UNION ALL - (SELECT i+1 FROM foo WHERE i < 10 - EXCEPT - SELECT i+1 FROM foo WHERE i < 5) -) SELECT * FROM foo; -ERROR: recursive reference to query "foo" must not appear within EXCEPT -LINE 6: SELECT i+1 FROM foo WHERE i < 5) - ^ -WITH RECURSIVE foo(i) AS - (values (1) - UNION ALL - (SELECT i+1 FROM foo WHERE i < 10 - INTERSECT - SELECT i+1 FROM foo WHERE i < 5) -) SELECT * FROM foo; -ERROR: recursive reference to query "foo" must not appear more than once -LINE 6: SELECT i+1 FROM foo WHERE i < 5) - ^ --- Wrong type induced from non-recursive term -WITH RECURSIVE foo(i) AS - (SELECT i FROM (VALUES(1),(2)) t(i) - UNION ALL - SELECT (i+1)::numeric(10,0) FROM foo WHERE i < 10) -SELECT * FROM foo; -ERROR: recursive query "foo" column 1 has type integer in non-recursive term but type numeric overall -LINE 2: (SELECT i FROM (VALUES(1),(2)) t(i) - ^ -HINT: Cast the output of the non-recursive term to the correct type. --- rejects different typmod, too (should we allow this?) -WITH RECURSIVE foo(i) AS - (SELECT i::numeric(3,0) FROM (VALUES(1),(2)) t(i) - UNION ALL - SELECT (i+1)::numeric(10,0) FROM foo WHERE i < 10) -SELECT * FROM foo; -ERROR: recursive query "foo" column 1 has type numeric(3,0) in non-recursive term but type numeric overall -LINE 2: (SELECT i::numeric(3,0) FROM (VALUES(1),(2)) t(i) - ^ -HINT: Cast the output of the non-recursive term to the correct type. --- disallow OLD/NEW reference in CTE -CREATE TEMPORARY TABLE x (n integer); -CREATE RULE r2 AS ON UPDATE TO x DO INSTEAD - WITH t AS (SELECT OLD.*) UPDATE y SET a = t.n FROM t; -ERROR: cannot refer to OLD within WITH query --- --- test for bug #4902 --- -with cte(foo) as ( values(42) ) values((select foo from cte)); - column1 ---------- - 42 -(1 row) - -with cte(foo) as ( select 42 ) select * from ((select foo from cte)) q; - foo ------ - 42 -(1 row) - --- test CTE referencing an outer-level variable (to see that changed-parameter --- signaling still works properly after fixing this bug) -select ( with cte(foo) as ( values(f1) ) - select (select foo from cte) ) -from int4_tbl; - foo -------------- - 0 - 123456 - -123456 - 2147483647 - -2147483647 -(5 rows) - -select ( with cte(foo) as ( values(f1) ) - values((select foo from cte)) ) -from int4_tbl; - column1 -------------- - 0 - 123456 - -123456 - 2147483647 - -2147483647 -(5 rows) - --- --- test for nested-recursive-WITH bug --- -WITH RECURSIVE t(j) AS ( - WITH RECURSIVE s(i) AS ( - VALUES (1) - UNION ALL - SELECT i+1 FROM s WHERE i < 10 - ) - SELECT i FROM s - UNION ALL - SELECT j+1 FROM t WHERE j < 10 -) -SELECT * FROM t; - j ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 5 - 6 - 7 - 8 - 9 - 10 - 6 - 7 - 8 - 9 - 10 - 7 - 8 - 9 - 10 - 8 - 9 - 10 - 9 - 10 - 10 -(55 rows) - --- --- test WITH attached to intermediate-level set operation --- -WITH outermost(x) AS ( - SELECT 1 - UNION (WITH innermost as (SELECT 2) - SELECT * FROM innermost - UNION SELECT 3) -) -SELECT * FROM outermost ORDER BY 1; - x ---- - 1 - 2 - 3 -(3 rows) - -WITH outermost(x) AS ( - SELECT 1 - UNION (WITH innermost as (SELECT 2) - SELECT * FROM outermost -- fail - UNION SELECT * FROM innermost) -) -SELECT * FROM outermost ORDER BY 1; -ERROR: relation "outermost" does not exist -LINE 4: SELECT * FROM outermost -- fail - ^ -DETAIL: There is a WITH item named "outermost", but it cannot be referenced from this part of the query. -HINT: Use WITH RECURSIVE, or re-order the WITH items to remove forward references. -WITH RECURSIVE outermost(x) AS ( - SELECT 1 - UNION (WITH innermost as (SELECT 2) - SELECT * FROM outermost - UNION SELECT * FROM innermost) -) -SELECT * FROM outermost ORDER BY 1; - x ---- - 1 - 2 -(2 rows) - -WITH RECURSIVE outermost(x) AS ( - WITH innermost as (SELECT 2 FROM outermost) -- fail - SELECT * FROM innermost - UNION SELECT * from outermost -) -SELECT * FROM outermost ORDER BY 1; -ERROR: recursive reference to query "outermost" must not appear within a subquery -LINE 2: WITH innermost as (SELECT 2 FROM outermost) -- fail - ^ --- --- This test will fail with the old implementation of PARAM_EXEC parameter --- assignment, because the "q1" Var passed down to A's targetlist subselect --- looks exactly like the "A.id" Var passed down to C's subselect, causing --- the old code to give them the same runtime PARAM_EXEC slot. But the --- lifespans of the two parameters overlap, thanks to B also reading A. --- -with -A as ( select q2 as id, (select q1) as x from int8_tbl ), -B as ( select id, row_number() over (partition by id) as r from A ), -C as ( select A.id, array(select B.id from B where B.id = A.id) from A ) -select * from C; - id | array --------------------+------------------------------------- - 456 | {456} - 4567890123456789 | {4567890123456789,4567890123456789} - 123 | {123} - 4567890123456789 | {4567890123456789,4567890123456789} - -4567890123456789 | {-4567890123456789} -(5 rows) - --- --- Test CTEs read in non-initialization orders --- -WITH RECURSIVE - tab(id_key,link) AS (VALUES (1,17), (2,17), (3,17), (4,17), (6,17), (5,17)), - iter (id_key, row_type, link) AS ( - SELECT 0, 'base', 17 - UNION ALL ( - WITH remaining(id_key, row_type, link, min) AS ( - SELECT tab.id_key, 'true'::text, iter.link, MIN(tab.id_key) OVER () - FROM tab INNER JOIN iter USING (link) - WHERE tab.id_key > iter.id_key - ), - first_remaining AS ( - SELECT id_key, row_type, link - FROM remaining - WHERE id_key=min - ), - effect AS ( - SELECT tab.id_key, 'new'::text, tab.link - FROM first_remaining e INNER JOIN tab ON e.id_key=tab.id_key - WHERE e.row_type = 'false' - ) - SELECT * FROM first_remaining - UNION ALL SELECT * FROM effect - ) - ) -SELECT * FROM iter; - id_key | row_type | link ---------+----------+------ - 0 | base | 17 - 1 | true | 17 - 2 | true | 17 - 3 | true | 17 - 4 | true | 17 - 5 | true | 17 - 6 | true | 17 -(7 rows) - -WITH RECURSIVE - tab(id_key,link) AS (VALUES (1,17), (2,17), (3,17), (4,17), (6,17), (5,17)), - iter (id_key, row_type, link) AS ( - SELECT 0, 'base', 17 - UNION ( - WITH remaining(id_key, row_type, link, min) AS ( - SELECT tab.id_key, 'true'::text, iter.link, MIN(tab.id_key) OVER () - FROM tab INNER JOIN iter USING (link) - WHERE tab.id_key > iter.id_key - ), - first_remaining AS ( - SELECT id_key, row_type, link - FROM remaining - WHERE id_key=min - ), - effect AS ( - SELECT tab.id_key, 'new'::text, tab.link - FROM first_remaining e INNER JOIN tab ON e.id_key=tab.id_key - WHERE e.row_type = 'false' - ) - SELECT * FROM first_remaining - UNION ALL SELECT * FROM effect - ) - ) -SELECT * FROM iter; - id_key | row_type | link ---------+----------+------ - 0 | base | 17 - 1 | true | 17 - 2 | true | 17 - 3 | true | 17 - 4 | true | 17 - 5 | true | 17 - 6 | true | 17 -(7 rows) - --- --- Data-modifying statements in WITH --- --- INSERT ... RETURNING -WITH t AS ( - INSERT INTO y - VALUES - (11), - (12), - (13), - (14), - (15), - (16), - (17), - (18), - (19), - (20) - RETURNING * -) -SELECT * FROM t; - a ----- - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 -(10 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 -(20 rows) - --- UPDATE ... RETURNING -WITH t AS ( - UPDATE y - SET a=a+1 - RETURNING * -) -SELECT * FROM t; - a ----- - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 -(20 rows) - -SELECT * FROM y; - a ----- - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 -(20 rows) - --- DELETE ... RETURNING -WITH t AS ( - DELETE FROM y - WHERE a <= 10 - RETURNING * -) -SELECT * FROM t; - a ----- - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(9 rows) - -SELECT * FROM y; - a ----- - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 -(11 rows) - --- forward reference -WITH RECURSIVE t AS ( - INSERT INTO y - SELECT a+5 FROM t2 WHERE a > 5 - RETURNING * -), t2 AS ( - UPDATE y SET a=a-11 RETURNING * -) -SELECT * FROM t -UNION ALL -SELECT * FROM t2; - a ----- - 11 - 12 - 13 - 14 - 15 - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -(16 rows) - -SELECT * FROM y; - a ----- - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 11 - 7 - 12 - 8 - 13 - 9 - 14 - 10 - 15 -(16 rows) - --- unconditional DO INSTEAD rule -CREATE RULE y_rule AS ON DELETE TO y DO INSTEAD - INSERT INTO y VALUES(42) RETURNING *; -WITH t AS ( - DELETE FROM y RETURNING * -) -SELECT * FROM t; - a ----- - 42 -(1 row) - -SELECT * FROM y; - a ----- - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 11 - 7 - 12 - 8 - 13 - 9 - 14 - 10 - 15 - 42 -(17 rows) - -DROP RULE y_rule ON y; --- check merging of outer CTE with CTE in a rule action -CREATE TEMP TABLE bug6051 AS - select i from generate_series(1,3) as t(i); -SELECT * FROM bug6051; - i ---- - 1 - 2 - 3 -(3 rows) - -WITH t1 AS ( DELETE FROM bug6051 RETURNING * ) -INSERT INTO bug6051 SELECT * FROM t1; -SELECT * FROM bug6051; - i ---- - 1 - 2 - 3 -(3 rows) - -CREATE TEMP TABLE bug6051_2 (i int); -CREATE RULE bug6051_ins AS ON INSERT TO bug6051 DO INSTEAD - INSERT INTO bug6051_2 - VALUES(NEW.i); -WITH t1 AS ( DELETE FROM bug6051 RETURNING * ) -INSERT INTO bug6051 SELECT * FROM t1; -SELECT * FROM bug6051; - i ---- -(0 rows) - -SELECT * FROM bug6051_2; - i ---- - 1 - 2 - 3 -(3 rows) - --- check INSERT ... SELECT rule actions are disallowed on commands --- that have modifyingCTEs -CREATE OR REPLACE RULE bug6051_ins AS ON INSERT TO bug6051 DO INSTEAD - INSERT INTO bug6051_2 - SELECT NEW.i; -WITH t1 AS ( DELETE FROM bug6051 RETURNING * ) -INSERT INTO bug6051 SELECT * FROM t1; -ERROR: INSERT ... SELECT rule actions are not supported for queries having data-modifying statements in WITH --- silly example to verify that hasModifyingCTE flag is propagated -CREATE TEMP TABLE bug6051_3 AS - SELECT a FROM generate_series(11,13) AS a; -CREATE RULE bug6051_3_ins AS ON INSERT TO bug6051_3 DO INSTEAD - SELECT i FROM bug6051_2; -BEGIN; SET LOCAL debug_parallel_query = on; -WITH t1 AS ( DELETE FROM bug6051_3 RETURNING * ) - INSERT INTO bug6051_3 SELECT * FROM t1; - i ---- - 1 - 2 - 3 - 1 - 2 - 3 - 1 - 2 - 3 -(9 rows) - -COMMIT; -SELECT * FROM bug6051_3; - a ---- -(0 rows) - --- check case where CTE reference is removed due to optimization -EXPLAIN (VERBOSE, COSTS OFF) -SELECT q1 FROM -( - WITH t_cte AS (SELECT * FROM int8_tbl t) - SELECT q1, (SELECT q2 FROM t_cte WHERE t_cte.q1 = i8.q1) AS t_sub - FROM int8_tbl i8 -) ss; - QUERY PLAN --------------------------------------- - Subquery Scan on ss - Output: ss.q1 - -> Seq Scan on public.int8_tbl i8 - Output: i8.q1, NULL::bigint -(4 rows) - -SELECT q1 FROM -( - WITH t_cte AS (SELECT * FROM int8_tbl t) - SELECT q1, (SELECT q2 FROM t_cte WHERE t_cte.q1 = i8.q1) AS t_sub - FROM int8_tbl i8 -) ss; - q1 ------------------- - 123 - 123 - 4567890123456789 - 4567890123456789 - 4567890123456789 -(5 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT q1 FROM -( - WITH t_cte AS MATERIALIZED (SELECT * FROM int8_tbl t) - SELECT q1, (SELECT q2 FROM t_cte WHERE t_cte.q1 = i8.q1) AS t_sub - FROM int8_tbl i8 -) ss; - QUERY PLAN ---------------------------------------------- - Subquery Scan on ss - Output: ss.q1 - -> Seq Scan on public.int8_tbl i8 - Output: i8.q1, NULL::bigint - CTE t_cte - -> Seq Scan on public.int8_tbl t - Output: t.q1, t.q2 -(7 rows) - -SELECT q1 FROM -( - WITH t_cte AS MATERIALIZED (SELECT * FROM int8_tbl t) - SELECT q1, (SELECT q2 FROM t_cte WHERE t_cte.q1 = i8.q1) AS t_sub - FROM int8_tbl i8 -) ss; - q1 ------------------- - 123 - 123 - 4567890123456789 - 4567890123456789 - 4567890123456789 -(5 rows) - --- a truly recursive CTE in the same list -WITH RECURSIVE t(a) AS ( - SELECT 0 - UNION ALL - SELECT a+1 FROM t WHERE a+1 < 5 -), t2 as ( - INSERT INTO y - SELECT * FROM t RETURNING * -) -SELECT * FROM t2 JOIN y USING (a) ORDER BY a; - a ---- - 0 - 1 - 2 - 3 - 4 -(5 rows) - -SELECT * FROM y; - a ----- - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 11 - 7 - 12 - 8 - 13 - 9 - 14 - 10 - 15 - 42 - 0 - 1 - 2 - 3 - 4 -(22 rows) - --- data-modifying WITH in a modifying statement -WITH t AS ( - DELETE FROM y - WHERE a <= 10 - RETURNING * -) -INSERT INTO y SELECT -a FROM t RETURNING *; - a ------ - 0 - -1 - -2 - -3 - -4 - -5 - -6 - -7 - -8 - -9 - -10 - 0 - -1 - -2 - -3 - -4 -(16 rows) - -SELECT * FROM y; - a ------ - 11 - 12 - 13 - 14 - 15 - 42 - 0 - -1 - -2 - -3 - -4 - -5 - -6 - -7 - -8 - -9 - -10 - 0 - -1 - -2 - -3 - -4 -(22 rows) - --- check that WITH query is run to completion even if outer query isn't -WITH t AS ( - UPDATE y SET a = a * 100 RETURNING * -) -SELECT * FROM t LIMIT 10; - a ------- - 1100 - 1200 - 1300 - 1400 - 1500 - 4200 - 0 - -100 - -200 - -300 -(10 rows) - -SELECT * FROM y; - a -------- - 1100 - 1200 - 1300 - 1400 - 1500 - 4200 - 0 - -100 - -200 - -300 - -400 - -500 - -600 - -700 - -800 - -900 - -1000 - 0 - -100 - -200 - -300 - -400 -(22 rows) - --- data-modifying WITH containing INSERT...ON CONFLICT DO UPDATE -CREATE TABLE withz AS SELECT i AS k, (i || ' v')::text v FROM generate_series(1, 16, 3) i; -ALTER TABLE withz ADD UNIQUE (k); -WITH t AS ( - INSERT INTO withz SELECT i, 'insert' - FROM generate_series(0, 16) i - ON CONFLICT (k) DO UPDATE SET v = withz.v || ', now update' - RETURNING * -) -SELECT * FROM t JOIN y ON t.k = y.a ORDER BY a, k; - k | v | a ----+--------+--- - 0 | insert | 0 - 0 | insert | 0 -(2 rows) - --- Test EXCLUDED.* reference within CTE -WITH aa AS ( - INSERT INTO withz VALUES(1, 5) ON CONFLICT (k) DO UPDATE SET v = EXCLUDED.v - WHERE withz.k != EXCLUDED.k - RETURNING * -) -SELECT * FROM aa; - k | v ----+--- -(0 rows) - --- New query/snapshot demonstrates side-effects of previous query. -SELECT * FROM withz ORDER BY k; - k | v -----+------------------ - 0 | insert - 1 | 1 v, now update - 2 | insert - 3 | insert - 4 | 4 v, now update - 5 | insert - 6 | insert - 7 | 7 v, now update - 8 | insert - 9 | insert - 10 | 10 v, now update - 11 | insert - 12 | insert - 13 | 13 v, now update - 14 | insert - 15 | insert - 16 | 16 v, now update -(17 rows) - --- --- Ensure subqueries within the update clause work, even if they --- reference outside values --- -WITH aa AS (SELECT 1 a, 2 b) -INSERT INTO withz VALUES(1, 'insert') -ON CONFLICT (k) DO UPDATE SET v = (SELECT b || ' update' FROM aa WHERE a = 1 LIMIT 1); -WITH aa AS (SELECT 1 a, 2 b) -INSERT INTO withz VALUES(1, 'insert') -ON CONFLICT (k) DO UPDATE SET v = ' update' WHERE withz.k = (SELECT a FROM aa); -WITH aa AS (SELECT 1 a, 2 b) -INSERT INTO withz VALUES(1, 'insert') -ON CONFLICT (k) DO UPDATE SET v = (SELECT b || ' update' FROM aa WHERE a = 1 LIMIT 1); -WITH aa AS (SELECT 'a' a, 'b' b UNION ALL SELECT 'a' a, 'b' b) -INSERT INTO withz VALUES(1, 'insert') -ON CONFLICT (k) DO UPDATE SET v = (SELECT b || ' update' FROM aa WHERE a = 'a' LIMIT 1); -WITH aa AS (SELECT 1 a, 2 b) -INSERT INTO withz VALUES(1, (SELECT b || ' insert' FROM aa WHERE a = 1 )) -ON CONFLICT (k) DO UPDATE SET v = (SELECT b || ' update' FROM aa WHERE a = 1 LIMIT 1); --- Update a row more than once, in different parts of a wCTE. That is --- an allowed, presumably very rare, edge case, but since it was --- broken in the past, having a test seems worthwhile. -WITH simpletup AS ( - SELECT 2 k, 'Green' v), -upsert_cte AS ( - INSERT INTO withz VALUES(2, 'Blue') ON CONFLICT (k) DO - UPDATE SET (k, v) = (SELECT k, v FROM simpletup WHERE simpletup.k = withz.k) - RETURNING k, v) -INSERT INTO withz VALUES(2, 'Red') ON CONFLICT (k) DO -UPDATE SET (k, v) = (SELECT k, v FROM upsert_cte WHERE upsert_cte.k = withz.k) -RETURNING k, v; - k | v ----+--- -(0 rows) - -DROP TABLE withz; --- WITH referenced by MERGE statement -CREATE TABLE m AS SELECT i AS k, (i || ' v')::text v FROM generate_series(1, 16, 3) i; -ALTER TABLE m ADD UNIQUE (k); -WITH RECURSIVE cte_basic AS (SELECT 1 a, 'cte_basic val' b) -MERGE INTO m USING (select 0 k, 'merge source SubPlan' v) o ON m.k=o.k -WHEN MATCHED THEN UPDATE SET v = (SELECT b || ' merge update' FROM cte_basic WHERE cte_basic.a = m.k LIMIT 1) -WHEN NOT MATCHED THEN INSERT VALUES(o.k, o.v); -ERROR: WITH RECURSIVE is not supported for MERGE statement --- Basic: -WITH cte_basic AS MATERIALIZED (SELECT 1 a, 'cte_basic val' b) -MERGE INTO m USING (select 0 k, 'merge source SubPlan' v offset 0) o ON m.k=o.k -WHEN MATCHED THEN UPDATE SET v = (SELECT b || ' merge update' FROM cte_basic WHERE cte_basic.a = m.k LIMIT 1) -WHEN NOT MATCHED THEN INSERT VALUES(o.k, o.v); --- Examine -SELECT * FROM m where k = 0; - k | v ----+---------------------- - 0 | merge source SubPlan -(1 row) - --- See EXPLAIN output for same query: -EXPLAIN (VERBOSE, COSTS OFF) -WITH cte_basic AS MATERIALIZED (SELECT 1 a, 'cte_basic val' b) -MERGE INTO m USING (select 0 k, 'merge source SubPlan' v offset 0) o ON m.k=o.k -WHEN MATCHED THEN UPDATE SET v = (SELECT b || ' merge update' FROM cte_basic WHERE cte_basic.a = m.k LIMIT 1) -WHEN NOT MATCHED THEN INSERT VALUES(o.k, o.v); - QUERY PLAN -------------------------------------------------------------------- - Merge on public.m - CTE cte_basic - -> Result - Output: 1, 'cte_basic val'::text - -> Hash Right Join - Output: m.ctid, o.k, o.v, o.* - Hash Cond: (m.k = o.k) - -> Seq Scan on public.m - Output: m.ctid, m.k - -> Hash - Output: o.k, o.v, o.* - -> Subquery Scan on o - Output: o.k, o.v, o.* - -> Result - Output: 0, 'merge source SubPlan'::text - SubPlan 2 - -> Limit - Output: ((cte_basic.b || ' merge update'::text)) - -> CTE Scan on cte_basic - Output: (cte_basic.b || ' merge update'::text) - Filter: (cte_basic.a = m.k) -(21 rows) - --- InitPlan -WITH cte_init AS MATERIALIZED (SELECT 1 a, 'cte_init val' b) -MERGE INTO m USING (select 1 k, 'merge source InitPlan' v offset 0) o ON m.k=o.k -WHEN MATCHED THEN UPDATE SET v = (SELECT b || ' merge update' FROM cte_init WHERE a = 1 LIMIT 1) -WHEN NOT MATCHED THEN INSERT VALUES(o.k, o.v); --- Examine -SELECT * FROM m where k = 1; - k | v ----+--------------------------- - 1 | cte_init val merge update -(1 row) - --- See EXPLAIN output for same query: -EXPLAIN (VERBOSE, COSTS OFF) -WITH cte_init AS MATERIALIZED (SELECT 1 a, 'cte_init val' b) -MERGE INTO m USING (select 1 k, 'merge source InitPlan' v offset 0) o ON m.k=o.k -WHEN MATCHED THEN UPDATE SET v = (SELECT b || ' merge update' FROM cte_init WHERE a = 1 LIMIT 1) -WHEN NOT MATCHED THEN INSERT VALUES(o.k, o.v); - QUERY PLAN --------------------------------------------------------------------- - Merge on public.m - CTE cte_init - -> Result - Output: 1, 'cte_init val'::text - InitPlan 2 - -> Limit - Output: ((cte_init.b || ' merge update'::text)) - -> CTE Scan on cte_init - Output: (cte_init.b || ' merge update'::text) - Filter: (cte_init.a = 1) - -> Hash Right Join - Output: m.ctid, o.k, o.v, o.* - Hash Cond: (m.k = o.k) - -> Seq Scan on public.m - Output: m.ctid, m.k - -> Hash - Output: o.k, o.v, o.* - -> Subquery Scan on o - Output: o.k, o.v, o.* - -> Result - Output: 1, 'merge source InitPlan'::text -(21 rows) - --- MERGE source comes from CTE: -WITH merge_source_cte AS MATERIALIZED (SELECT 15 a, 'merge_source_cte val' b) -MERGE INTO m USING (select * from merge_source_cte) o ON m.k=o.a -WHEN MATCHED THEN UPDATE SET v = (SELECT b || merge_source_cte.*::text || ' merge update' FROM merge_source_cte WHERE a = 15) -WHEN NOT MATCHED THEN INSERT VALUES(o.a, o.b || (SELECT merge_source_cte.*::text || ' merge insert' FROM merge_source_cte)); --- Examine -SELECT * FROM m where k = 15; - k | v -----+-------------------------------------------------------------- - 15 | merge_source_cte val(15,"merge_source_cte val") merge insert -(1 row) - --- See EXPLAIN output for same query: -EXPLAIN (VERBOSE, COSTS OFF) -WITH merge_source_cte AS MATERIALIZED (SELECT 15 a, 'merge_source_cte val' b) -MERGE INTO m USING (select * from merge_source_cte) o ON m.k=o.a -WHEN MATCHED THEN UPDATE SET v = (SELECT b || merge_source_cte.*::text || ' merge update' FROM merge_source_cte WHERE a = 15) -WHEN NOT MATCHED THEN INSERT VALUES(o.a, o.b || (SELECT merge_source_cte.*::text || ' merge insert' FROM merge_source_cte)); - QUERY PLAN ------------------------------------------------------------------------------------------------------ - Merge on public.m - CTE merge_source_cte - -> Result - Output: 15, 'merge_source_cte val'::text - InitPlan 2 - -> CTE Scan on merge_source_cte merge_source_cte_1 - Output: ((merge_source_cte_1.b || (merge_source_cte_1.*)::text) || ' merge update'::text) - Filter: (merge_source_cte_1.a = 15) - InitPlan 3 - -> CTE Scan on merge_source_cte merge_source_cte_2 - Output: ((merge_source_cte_2.*)::text || ' merge insert'::text) - -> Hash Right Join - Output: m.ctid, merge_source_cte.a, merge_source_cte.b, merge_source_cte.* - Hash Cond: (m.k = merge_source_cte.a) - -> Seq Scan on public.m - Output: m.ctid, m.k - -> Hash - Output: merge_source_cte.a, merge_source_cte.b, merge_source_cte.* - -> CTE Scan on merge_source_cte - Output: merge_source_cte.a, merge_source_cte.b, merge_source_cte.* -(20 rows) - -DROP TABLE m; --- check that run to completion happens in proper ordering -TRUNCATE TABLE y; -INSERT INTO y SELECT generate_series(1, 3); -CREATE TEMPORARY TABLE yy (a INTEGER); -WITH RECURSIVE t1 AS ( - INSERT INTO y SELECT * FROM y RETURNING * -), t2 AS ( - INSERT INTO yy SELECT * FROM t1 RETURNING * -) -SELECT 1; - ?column? ----------- - 1 -(1 row) - -SELECT * FROM y; - a ---- - 1 - 2 - 3 - 1 - 2 - 3 -(6 rows) - -SELECT * FROM yy; - a ---- - 1 - 2 - 3 -(3 rows) - -WITH RECURSIVE t1 AS ( - INSERT INTO yy SELECT * FROM t2 RETURNING * -), t2 AS ( - INSERT INTO y SELECT * FROM y RETURNING * -) -SELECT 1; - ?column? ----------- - 1 -(1 row) - -SELECT * FROM y; - a ---- - 1 - 2 - 3 - 1 - 2 - 3 - 1 - 2 - 3 - 1 - 2 - 3 -(12 rows) - -SELECT * FROM yy; - a ---- - 1 - 2 - 3 - 1 - 2 - 3 - 1 - 2 - 3 -(9 rows) - --- triggers -TRUNCATE TABLE y; -INSERT INTO y SELECT generate_series(1, 10); -CREATE FUNCTION y_trigger() RETURNS trigger AS $$ -begin - raise notice 'y_trigger: a = %', new.a; - return new; -end; -$$ LANGUAGE plpgsql; -CREATE TRIGGER y_trig BEFORE INSERT ON y FOR EACH ROW - EXECUTE PROCEDURE y_trigger(); -WITH t AS ( - INSERT INTO y - VALUES - (21), - (22), - (23) - RETURNING * -) -SELECT * FROM t; -NOTICE: y_trigger: a = 21 -NOTICE: y_trigger: a = 22 -NOTICE: y_trigger: a = 23 - a ----- - 21 - 22 - 23 -(3 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 21 - 22 - 23 -(13 rows) - -DROP TRIGGER y_trig ON y; -CREATE TRIGGER y_trig AFTER INSERT ON y FOR EACH ROW - EXECUTE PROCEDURE y_trigger(); -WITH t AS ( - INSERT INTO y - VALUES - (31), - (32), - (33) - RETURNING * -) -SELECT * FROM t LIMIT 1; -NOTICE: y_trigger: a = 31 -NOTICE: y_trigger: a = 32 -NOTICE: y_trigger: a = 33 - a ----- - 31 -(1 row) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 21 - 22 - 23 - 31 - 32 - 33 -(16 rows) - -DROP TRIGGER y_trig ON y; -CREATE OR REPLACE FUNCTION y_trigger() RETURNS trigger AS $$ -begin - raise notice 'y_trigger'; - return null; -end; -$$ LANGUAGE plpgsql; -CREATE TRIGGER y_trig AFTER INSERT ON y FOR EACH STATEMENT - EXECUTE PROCEDURE y_trigger(); -WITH t AS ( - INSERT INTO y - VALUES - (41), - (42), - (43) - RETURNING * -) -SELECT * FROM t; -NOTICE: y_trigger - a ----- - 41 - 42 - 43 -(3 rows) - -SELECT * FROM y; - a ----- - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 21 - 22 - 23 - 31 - 32 - 33 - 41 - 42 - 43 -(19 rows) - -DROP TRIGGER y_trig ON y; -DROP FUNCTION y_trigger(); --- WITH attached to inherited UPDATE or DELETE -CREATE TEMP TABLE parent ( id int, val text ); -CREATE TEMP TABLE child1 ( ) INHERITS ( parent ); -CREATE TEMP TABLE child2 ( ) INHERITS ( parent ); -INSERT INTO parent VALUES ( 1, 'p1' ); -INSERT INTO child1 VALUES ( 11, 'c11' ),( 12, 'c12' ); -INSERT INTO child2 VALUES ( 23, 'c21' ),( 24, 'c22' ); -WITH rcte AS ( SELECT sum(id) AS totalid FROM parent ) -UPDATE parent SET id = id + totalid FROM rcte; -SELECT * FROM parent; - id | val -----+----- - 72 | p1 - 82 | c11 - 83 | c12 - 94 | c21 - 95 | c22 -(5 rows) - -WITH wcte AS ( INSERT INTO child1 VALUES ( 42, 'new' ) RETURNING id AS newid ) -UPDATE parent SET id = id + newid FROM wcte; -SELECT * FROM parent; - id | val ------+----- - 114 | p1 - 42 | new - 124 | c11 - 125 | c12 - 136 | c21 - 137 | c22 -(6 rows) - -WITH rcte AS ( SELECT max(id) AS maxid FROM parent ) -DELETE FROM parent USING rcte WHERE id = maxid; -SELECT * FROM parent; - id | val ------+----- - 114 | p1 - 42 | new - 124 | c11 - 125 | c12 - 136 | c21 -(5 rows) - -WITH wcte AS ( INSERT INTO child2 VALUES ( 42, 'new2' ) RETURNING id AS newid ) -DELETE FROM parent USING wcte WHERE id = newid; -SELECT * FROM parent; - id | val ------+------ - 114 | p1 - 124 | c11 - 125 | c12 - 136 | c21 - 42 | new2 -(5 rows) - --- check EXPLAIN VERBOSE for a wCTE with RETURNING -EXPLAIN (VERBOSE, COSTS OFF) -WITH wcte AS ( INSERT INTO int8_tbl VALUES ( 42, 47 ) RETURNING q2 ) -DELETE FROM a_star USING wcte WHERE aa = q2; - QUERY PLAN ---------------------------------------------------------------------------- - Delete on public.a_star - Delete on public.a_star a_star_1 - Delete on public.b_star a_star_2 - Delete on public.c_star a_star_3 - Delete on public.d_star a_star_4 - Delete on public.e_star a_star_5 - Delete on public.f_star a_star_6 - CTE wcte - -> Insert on public.int8_tbl - Output: int8_tbl.q2 - -> Result - Output: '42'::bigint, '47'::bigint - -> Hash Join - Output: wcte.*, a_star.tableoid, a_star.ctid - Hash Cond: (a_star.aa = wcte.q2) - -> Append - -> Seq Scan on public.a_star a_star_1 - Output: a_star_1.aa, a_star_1.tableoid, a_star_1.ctid - -> Seq Scan on public.b_star a_star_2 - Output: a_star_2.aa, a_star_2.tableoid, a_star_2.ctid - -> Seq Scan on public.c_star a_star_3 - Output: a_star_3.aa, a_star_3.tableoid, a_star_3.ctid - -> Seq Scan on public.d_star a_star_4 - Output: a_star_4.aa, a_star_4.tableoid, a_star_4.ctid - -> Seq Scan on public.e_star a_star_5 - Output: a_star_5.aa, a_star_5.tableoid, a_star_5.ctid - -> Seq Scan on public.f_star a_star_6 - Output: a_star_6.aa, a_star_6.tableoid, a_star_6.ctid - -> Hash - Output: wcte.*, wcte.q2 - -> CTE Scan on wcte - Output: wcte.*, wcte.q2 -(32 rows) - --- error cases --- data-modifying WITH tries to use its own output -WITH RECURSIVE t AS ( - INSERT INTO y - SELECT * FROM t -) -VALUES(FALSE); -ERROR: recursive query "t" must not contain data-modifying statements -LINE 1: WITH RECURSIVE t AS ( - ^ --- no RETURNING in a referenced data-modifying WITH -WITH t AS ( - INSERT INTO y VALUES(0) -) -SELECT * FROM t; -ERROR: WITH query "t" does not have a RETURNING clause -LINE 4: SELECT * FROM t; - ^ --- RETURNING tries to return its own output -WITH RECURSIVE t(action, a) AS ( - MERGE INTO y USING (VALUES (11)) v(a) ON y.a = v.a - WHEN NOT MATCHED THEN INSERT VALUES (v.a) - RETURNING merge_action(), (SELECT a FROM t) -) -SELECT * FROM t; -ERROR: recursive query "t" must not contain data-modifying statements -LINE 1: WITH RECURSIVE t(action, a) AS ( - ^ --- data-modifying WITH allowed only at the top level -SELECT * FROM ( - WITH t AS (UPDATE y SET a=a+1 RETURNING *) - SELECT * FROM t -) ss; -ERROR: WITH clause containing a data-modifying statement must be at the top level -LINE 2: WITH t AS (UPDATE y SET a=a+1 RETURNING *) - ^ --- most variants of rules aren't allowed -CREATE RULE y_rule AS ON INSERT TO y WHERE a=0 DO INSTEAD DELETE FROM y; -WITH t AS ( - INSERT INTO y VALUES(0) -) -VALUES(FALSE); -ERROR: conditional DO INSTEAD rules are not supported for data-modifying statements in WITH -CREATE OR REPLACE RULE y_rule AS ON INSERT TO y DO INSTEAD NOTHING; -WITH t AS ( - INSERT INTO y VALUES(0) -) -VALUES(FALSE); -ERROR: DO INSTEAD NOTHING rules are not supported for data-modifying statements in WITH -CREATE OR REPLACE RULE y_rule AS ON INSERT TO y DO INSTEAD NOTIFY foo; -WITH t AS ( - INSERT INTO y VALUES(0) -) -VALUES(FALSE); -ERROR: DO INSTEAD NOTIFY rules are not supported for data-modifying statements in WITH -CREATE OR REPLACE RULE y_rule AS ON INSERT TO y DO ALSO NOTIFY foo; -WITH t AS ( - INSERT INTO y VALUES(0) -) -VALUES(FALSE); -ERROR: DO ALSO rules are not supported for data-modifying statements in WITH -CREATE OR REPLACE RULE y_rule AS ON INSERT TO y - DO INSTEAD (NOTIFY foo; NOTIFY bar); -WITH t AS ( - INSERT INTO y VALUES(0) -) -VALUES(FALSE); -ERROR: multi-statement DO INSTEAD rules are not supported for data-modifying statements in WITH -DROP RULE y_rule ON y; --- check that parser lookahead for WITH doesn't cause any odd behavior -create table foo (with baz); -- fail, WITH is a reserved word -ERROR: syntax error at or near "with" -LINE 1: create table foo (with baz); - ^ -create table foo (with ordinality); -- fail, WITH is a reserved word -ERROR: syntax error at or near "with" -LINE 1: create table foo (with ordinality); - ^ -with ordinality as (select 1 as x) select * from ordinality; - x ---- - 1 -(1 row) - --- check sane response to attempt to modify CTE relation -WITH with_test AS (SELECT 42) INSERT INTO with_test VALUES (1); -ERROR: relation "with_test" does not exist -LINE 1: WITH with_test AS (SELECT 42) INSERT INTO with_test VALUES (... - ^ --- check response to attempt to modify table with same name as a CTE (perhaps --- surprisingly it works, because CTEs don't hide tables from data-modifying --- statements) -create temp table with_test (i int); -with with_test as (select 42) insert into with_test select * from with_test; -select * from with_test; - i ----- - 42 -(1 row) - -drop table with_test; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/xml_1.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/xml.out --- /tmp/cirrus-ci-build/src/test/regress/expected/xml_1.out 2025-06-04 16:00:28.810253000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/xml.out 2025-06-04 16:05:11.007098000 +0000 @@ -1,1498 +1,2 @@ -CREATE TABLE xmltest ( - id int, - data xml -); -INSERT INTO xmltest VALUES (1, 'one'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (1, 'one'); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest VALUES (2, 'two'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (2, 'two'); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest VALUES (3, 'one', 'xml'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT pg_input_is_valid('oneone', 'xml'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT message FROM pg_input_error_info('', 'xml'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlcomment('test'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlcomment('-test'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlcomment('test-'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlcomment('--test'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlcomment('te st'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlconcat(xmlcomment('hello'), - xmlelement(NAME qux, 'foo'), - xmlcomment('world')); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlconcat('hello', 'you'); -ERROR: unsupported XML feature -LINE 1: SELECT xmlconcat('hello', 'you'); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlconcat(1, 2); -ERROR: argument of XMLCONCAT must be type xml, not type integer -LINE 1: SELECT xmlconcat(1, 2); - ^ -SELECT xmlconcat('bad', '', NULL, ''); -ERROR: unsupported XML feature -LINE 1: SELECT xmlconcat('', NULL, '', NULL, ''); -ERROR: unsupported XML feature -LINE 1: SELECT xmlconcat('', NULL, 'r'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, xml 'br'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, array[1, 2, 3]); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SET xmlbinary TO base64; -SELECT xmlelement(name foo, bytea 'bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SET xmlbinary TO hex; -SELECT xmlelement(name foo, bytea 'bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, xmlattributes(true as bar)); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, xmlattributes('2009-04-09 00:24:37'::timestamp as bar)); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, xmlattributes('infinity'::timestamp as bar)); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlelement(name foo, xmlattributes('<>&"''' as funny, xml 'br' as funnier)); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content ' '); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content 'abc'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content 'x'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content '&'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content '&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content '&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(content ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document ' '); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document 'abc'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document 'x'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document '&'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document '&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document '&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlparse(document ''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name foo); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name xml); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name xmlstuff); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name foo, 'bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name foo, 'in?>valid'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name foo, null); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name xml, null); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name xmlstuff, null); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name "xml-stylesheet", 'href="mystyle.css" type="text/css"'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name foo, ' bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot(xml '', version no value, standalone no value); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot(xml '', version no value, standalone no... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot(xml '', version '2.0'); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot(xml '', version '2.0'); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot(xml '', version no value, standalone yes); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot(xml '', version no value, standalone ye... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot(xml '', version no value, standalone yes); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot(xml '', version no... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot(xmlroot(xml '', version '1.0'), version '1.1', standalone no); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot(xmlroot(xml '', version '1.0'), version... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot('', version no value, standalone no); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot('... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot('', version no value, standalone no value); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot('... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot('', version no value); -ERROR: unsupported XML feature -LINE 1: SELECT xmlroot('... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlroot ( - xmlelement ( - name gazonk, - xmlattributes ( - 'val' AS name, - 1 + 1 AS num - ), - xmlelement ( - NAME qux, - 'foo' - ) - ), - version '1.0', - standalone yes -); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(content data as character varying(20)) FROM xmltest; - xmlserialize --------------- -(0 rows) - -SELECT xmlserialize(content 'good' as char(10)); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(content 'good' as char(10)); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(document 'bad' as text); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(document 'bad' as text); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent -SELECT xmlserialize(DOCUMENT '42' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '42' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- no indent -SELECT xmlserialize(DOCUMENT '42' AS text NO INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '42' AS text NO INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent non singly-rooted xml -SELECT xmlserialize(DOCUMENT '7342' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '734... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '7342' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '734... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent non singly-rooted xml with mixed contents -SELECT xmlserialize(DOCUMENT 'text node73text node42' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT 'text node73text nod... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT 'text node73text node42' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT 'text node73text nod... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent singly-rooted xml with mixed contents -SELECT xmlserialize(DOCUMENT '42text node73' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '42text node73' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent empty string -SELECT xmlserialize(DOCUMENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '' AS text INDENT); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '' AS text INDENT); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- whitespaces -SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT ' ' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT ' ' AS text INDENT); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent null -SELECT xmlserialize(DOCUMENT NULL AS text INDENT); - xmlserialize --------------- - -(1 row) - -SELECT xmlserialize(CONTENT NULL AS text INDENT); - xmlserialize --------------- - -(1 row) - --- indent with XML declaration -SELECT xmlserialize(DOCUMENT '73' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '73' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '' AS text INDE... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '' AS text INDE... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent xml with empty element -SELECT xmlserialize(DOCUMENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '' AS tex... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '' AS tex... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- 'no indent' = not using 'no indent' -SELECT xmlserialize(DOCUMENT '42' AS text) = xmlserialize(DOCUMENT '42' AS text NO INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT '42' AS text) = xmlserialize(CONTENT '42' AS text NO INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT '42<... - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- indent xml strings containing blank nodes -SELECT xmlserialize(DOCUMENT ' ' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(DOCUMENT ' '... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlserialize(CONTENT 'text node ' AS text INDENT); -ERROR: unsupported XML feature -LINE 1: SELECT xmlserialize(CONTENT 'text node ... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml 'bar' IS DOCUMENT; -ERROR: unsupported XML feature -LINE 1: SELECT xml 'bar' IS DOCUMENT; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml 'barfoo' IS DOCUMENT; -ERROR: unsupported XML feature -LINE 1: SELECT xml 'barfoo' IS DOCUMENT; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml '' IS NOT DOCUMENT; -ERROR: unsupported XML feature -LINE 1: SELECT xml '' IS NOT DOCUMENT; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml 'abc' IS NOT DOCUMENT; -ERROR: unsupported XML feature -LINE 1: SELECT xml 'abc' IS NOT DOCUMENT; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT '<>' IS NOT DOCUMENT; -ERROR: unsupported XML feature -LINE 1: SELECT '<>' IS NOT DOCUMENT; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlagg(data) FROM xmltest; - xmlagg --------- - -(1 row) - -SELECT xmlagg(data) FROM xmltest WHERE id > 10; - xmlagg --------- - -(1 row) - -SELECT xmlelement(name employees, xmlagg(xmlelement(name name, name))) FROM emp; -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. --- Check mapping SQL identifier to XML name -SELECT xmlpi(name ":::_xml_abc135.%-&_"); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmlpi(name "123"); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -PREPARE foo (xml) AS SELECT xmlconcat('', $1); -ERROR: unsupported XML feature -LINE 1: PREPARE foo (xml) AS SELECT xmlconcat('', $1); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SET XML OPTION DOCUMENT; -EXECUTE foo (''); -ERROR: prepared statement "foo" does not exist -EXECUTE foo ('bad'); -ERROR: prepared statement "foo" does not exist -SELECT xml ''; -ERROR: unsupported XML feature -LINE 1: SELECT xml ''; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SET XML OPTION CONTENT; -EXECUTE foo (''); -ERROR: prepared statement "foo" does not exist -EXECUTE foo ('good'); -ERROR: prepared statement "foo" does not exist -SELECT xml ' '; -ERROR: unsupported XML feature -LINE 1: SELECT xml ' '; -ERROR: unsupported XML feature -LINE 1: SELECT xml ' '; -ERROR: unsupported XML feature -LINE 1: SELECT xml ''; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml ' oops '; -ERROR: unsupported XML feature -LINE 1: SELECT xml ' oops '; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml ' '; -ERROR: unsupported XML feature -LINE 1: SELECT xml ' '; - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml ''; -ERROR: unsupported XML feature -LINE 1: SELECT xml ''; - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- Test backwards parsing -CREATE VIEW xmlview1 AS SELECT xmlcomment('test'); -CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you'); -ERROR: unsupported XML feature -LINE 1: CREATE VIEW xmlview2 AS SELECT xmlconcat('hello', 'you'); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview3 AS SELECT xmlelement(name element, xmlattributes (1 as ":one:", 'deuce' as two), 'content&'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview4 AS SELECT xmlelement(name employee, xmlforest(name, age, salary as pay)) FROM emp; -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview5 AS SELECT xmlparse(content 'x'); -CREATE VIEW xmlview6 AS SELECT xmlpi(name foo, 'bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview7 AS SELECT xmlroot(xml '', version no value, standalone yes); -ERROR: unsupported XML feature -LINE 1: CREATE VIEW xmlview7 AS SELECT xmlroot(xml '', version... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as char(10)); -ERROR: unsupported XML feature -LINE 1: ...EATE VIEW xmlview8 AS SELECT xmlserialize(content 'good' as ... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as text); -ERROR: unsupported XML feature -LINE 1: ...EATE VIEW xmlview9 AS SELECT xmlserialize(content 'good' as ... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -CREATE VIEW xmlview10 AS SELECT xmlserialize(document '42' AS text indent); -ERROR: unsupported XML feature -LINE 1: ...TE VIEW xmlview10 AS SELECT xmlserialize(document '42' AS character varying no indent); -ERROR: unsupported XML feature -LINE 1: ...TE VIEW xmlview11 AS SELECT xmlserialize(document 'x'::text STRIP WHITESPACE) AS "xmlparse"; -(2 rows) - --- Text XPath expressions evaluation -SELECT xpath('/value', data) FROM xmltest; - xpath -------- -(0 rows) - -SELECT xpath(NULL, NULL) IS NULL FROM xmltest; - ?column? ----------- -(0 rows) - -SELECT xpath('', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('//text()', 'number one'); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('//text()', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('//loc:piece/@id', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('//loc:piece', 'number one', ARRAY[ARRAY['loc', 'http://127.0.0.1']]); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('//loc:piece', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('//@value', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('''<>''', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('''<>''', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('count(//*)', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('count(//*)', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('count(//*)=0', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('count(//*)=0', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('count(//*)=3', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('count(//*)=3', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('name(/*)', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('name(/*)', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('/nosuchtag', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('/nosuchtag', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath('root', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('root', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- Round-trip non-ASCII data through xpath(). -DO $$ -DECLARE - xml_declaration text := ''; - degree_symbol text; - res xml[]; -BEGIN - -- Per the documentation, except when the server encoding is UTF8, xpath() - -- may not work on non-ASCII data. The untranslatable_character and - -- undefined_function traps below, currently dead code, will become relevant - -- if we remove this limitation. - IF current_setting('server_encoding') <> 'UTF8' THEN - RAISE LOG 'skip: encoding % unsupported for xpath', - current_setting('server_encoding'); - RETURN; - END IF; - - degree_symbol := convert_from('\xc2b0', 'UTF8'); - res := xpath('text()', (xml_declaration || - '' || degree_symbol || '')::xml); - IF degree_symbol <> res[1]::text THEN - RAISE 'expected % (%), got % (%)', - degree_symbol, convert_to(degree_symbol, 'UTF8'), - res[1], convert_to(res[1]::text, 'UTF8'); - END IF; -EXCEPTION - -- character with byte sequence 0xc2 0xb0 in encoding "UTF8" has no equivalent in encoding "LATIN8" - WHEN untranslatable_character - -- default conversion function for encoding "UTF8" to "MULE_INTERNAL" does not exist - OR undefined_function - -- unsupported XML feature - OR feature_not_supported THEN - RAISE LOG 'skip: %', SQLERRM; -END -$$; --- Test xmlexists and xpath_exists -SELECT xmlexists('//town[text() = ''Toronto'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); -ERROR: unsupported XML feature -LINE 1: ...sts('//town[text() = ''Toronto'']' PASSING BY REF 'Bidford-on-AvonCwmbranBristol'); -ERROR: unsupported XML feature -LINE 1: ...sts('//town[text() = ''Cwmbran'']' PASSING BY REF ''); -ERROR: unsupported XML feature -LINE 1: ...LECT xmlexists('count(/nosuchtag)' PASSING BY REF '')... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xpath_exists('//town[text() = ''Toronto'']','Bidford-on-AvonCwmbranBristol'::xml); -ERROR: unsupported XML feature -LINE 1: ...ELECT xpath_exists('//town[text() = ''Toronto'']','Bidford-on-AvonCwmbranBristol'::xml); -ERROR: unsupported XML feature -LINE 1: ...ELECT xpath_exists('//town[text() = ''Cwmbran'']',''::xml); -ERROR: unsupported XML feature -LINE 1: SELECT xpath_exists('count(/nosuchtag)', ''::xml); - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest VALUES (4, 'BudvarfreeCarlinglots'::xml); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (4, 'BudvarMolsonfreeCarlinglots'::xml); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (5, 'MolsonBudvarfreeCarlinglots'::xml); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (6, 'MolsonfreeCarlinglots'::xml); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest VALUES (7, 'number one'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed('bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed('bar'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed('&'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed('&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed(''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed(''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xml_is_well_formed('&idontexist;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SET xmloption TO CONTENT; -SELECT xml_is_well_formed('abc'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. --- Since xpath() deals with namespaces, it's a bit stricter about --- what's well-formed and what's not. If we don't obey these rules --- (i.e. ignore namespace-related errors from libxml), xpath() --- fails in subtle ways. The following would for example produce --- the xml value --- --- which is invalid because '<' may not appear un-escaped in --- attribute values. --- Since different libxml versions emit slightly different --- error messages, we suppress the DETAIL in this test. -\set VERBOSITY terse -SELECT xpath('/*', ''); -ERROR: unsupported XML feature at character 20 -\set VERBOSITY default --- Again, the XML isn't well-formed for namespace purposes -SELECT xpath('/*', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('/*', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- XPath deprecates relative namespaces, but they're not supposed to --- throw an error, only a warning. -SELECT xpath('/*', ''); -ERROR: unsupported XML feature -LINE 1: SELECT xpath('/*', ''); - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- External entity references should not leak filesystem information. -SELECT XMLPARSE(DOCUMENT ']>&c;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT XMLPARSE(DOCUMENT ']>&c;'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. --- This might or might not load the requested DTD, but it mustn't throw error. -SELECT XMLPARSE(DOCUMENT ' '); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. --- XMLPATH tests -CREATE TABLE xmldata(data xml); -INSERT INTO xmldata VALUES(' - - AU - Australia - 3 - - - CN - China - 3 - - - HK - HongKong - 3 - - - IN - India - 3 - - - JP - Japan - 3Sinzo Abe - - - SG - Singapore - 3791 - -'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmldata VALUES(' - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- XMLTABLE with columns -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - -CREATE VIEW xmltableview1 AS SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME/text()' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); -SELECT * FROM xmltableview1; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - -\sv xmltableview1 -CREATE OR REPLACE VIEW public.xmltableview1 AS - SELECT "xmltable".id, - "xmltable"._id, - "xmltable".country_name, - "xmltable".country_id, - "xmltable".region_id, - "xmltable".size, - "xmltable".unit, - "xmltable".premier_name - FROM ( SELECT xmldata.data - FROM xmldata) x, - LATERAL XMLTABLE(('/ROWS/ROW'::text) PASSING (x.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -EXPLAIN (COSTS OFF) SELECT * FROM xmltableview1; - QUERY PLAN ------------------------------------------ - Nested Loop - -> Seq Scan on xmldata - -> Table Function Scan on "xmltable" -(3 rows) - -EXPLAIN (COSTS OFF, VERBOSE) SELECT * FROM xmltableview1; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Nested Loop - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME/text()'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -(7 rows) - --- errors -SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp) AS f (v1, v2); -ERROR: XMLTABLE function has 1 columns available but 2 columns specified -SELECT * FROM XMLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_not_null 1) AS f (v1); -ERROR: option name "__pg__is_not_null" cannot be used in XMLTABLE -LINE 1: ...MLTABLE (ROW () PASSING null COLUMNS v1 timestamp __pg__is_n... - ^ --- XMLNAMESPACES tests -SELECT * FROM XMLTABLE(XMLNAMESPACES('http://x.y' AS zz), - '/zz:rows/zz:row' - PASSING '10' - COLUMNS a int PATH 'zz:a'); -ERROR: unsupported XML feature -LINE 3: PASSING '10' - COLUMNS a int PATH 'Zz:a'); -ERROR: unsupported XML feature -LINE 3: PASSING '10' - COLUMNS a int PATH 'a'); -ERROR: unsupported XML feature -LINE 3: PASSING '' - COLUMNS a text PATH 'foo/namespace::node()'); -ERROR: unsupported XML feature -LINE 2: PASSING '' - ^ -DETAIL: This functionality requires the server to be built with libxml support. --- used in prepare statements -PREPARE pp AS -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); -EXECUTE pp; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int); - COUNTRY_NAME | REGION_ID ---------------+----------- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY, "COUNTRY_NAME" text, "REGION_ID" int); - id | COUNTRY_NAME | REGION_ID -----+--------------+----------- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int); - id | COUNTRY_NAME | REGION_ID -----+--------------+----------- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id'); - id ----- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id FOR ORDINALITY); - id ----- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH '.'); - id | COUNTRY_NAME | REGION_ID | rawdata -----+--------------+-----------+--------- -(0 rows) - -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS id int PATH '@id', "COUNTRY_NAME" text, "REGION_ID" int, rawdata xml PATH './*'); - id | COUNTRY_NAME | REGION_ID | rawdata -----+--------------+-----------+--------- -(0 rows) - -SELECT * FROM xmltable('/root' passing 'a1aa2a bbbbxxxcccc' COLUMNS element text); -ERROR: unsupported XML feature -LINE 1: SELECT * FROM xmltable('/root' passing 'a1aa1aa2a bbbbxxxcccc' COLUMNS element text PATH 'element/text()'); -- should fail -ERROR: unsupported XML feature -LINE 1: SELECT * FROM xmltable('/root' passing 'a1a &"<>!foo]]>2' columns c text); -ERROR: unsupported XML feature -LINE 1: select * from xmltable('d/r' passing ''"&<>' COLUMNS ent text); -ERROR: unsupported XML feature -LINE 1: SELECT * FROM xmltable('/x/a' PASSING '''"&<>' COLUMNS ent xml); -ERROR: unsupported XML feature -LINE 1: SELECT * FROM xmltable('/x/a' PASSING '' Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) -(7 rows) - --- test qual -SELECT xmltable.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) WHERE "COUNTRY_NAME" = 'Japan'; - COUNTRY_NAME | REGION_ID ---------------+----------- -(0 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; - QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - Nested Loop - Output: f."COUNTRY_NAME", f."REGION_ID" - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" f - Output: f."COUNTRY_NAME", f."REGION_ID" - Table Function Call: XMLTABLE(('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]'::text) PASSING (xmldata.data) COLUMNS "COUNTRY_NAME" text, "REGION_ID" integer) - Filter: (f."COUNTRY_NAME" = 'Japan'::text) -(8 rows) - -EXPLAIN (VERBOSE, FORMAT JSON, COSTS OFF) -SELECT f.* FROM xmldata, LATERAL xmltable('/ROWS/ROW[COUNTRY_NAME="Japan" or COUNTRY_NAME="India"]' PASSING data COLUMNS "COUNTRY_NAME" text, "REGION_ID" int) AS f WHERE "COUNTRY_NAME" = 'Japan'; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - [ + - { + - "Plan": { + - "Node Type": "Nested Loop", + - "Parallel Aware": false, + - "Async Capable": false, + - "Join Type": "Inner", + - "Disabled": false, + - "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + - "Inner Unique": false, + - "Plans": [ + - { + - "Node Type": "Seq Scan", + - "Parent Relationship": "Outer", + - "Parallel Aware": false, + - "Async Capable": false, + - "Relation Name": "xmldata", + - "Schema": "public", + - "Alias": "xmldata", + - "Disabled": false, + - "Output": ["xmldata.data"] + - }, + - { + - "Node Type": "Table Function Scan", + - "Parent Relationship": "Inner", + - "Parallel Aware": false, + - "Async Capable": false, + - "Table Function Name": "xmltable", + - "Alias": "f", + - "Disabled": false, + - "Output": ["f.\"COUNTRY_NAME\"", "f.\"REGION_ID\""], + - "Table Function Call": "XMLTABLE(('/ROWS/ROW[COUNTRY_NAME=\"Japan\" or COUNTRY_NAME=\"India\"]'::text) PASSING (xmldata.data) COLUMNS \"COUNTRY_NAME\" text, \"REGION_ID\" integer)",+ - "Filter": "(f.\"COUNTRY_NAME\" = 'Japan'::text)" + - } + - ] + - } + - } + - ] -(1 row) - --- should to work with more data -INSERT INTO xmldata VALUES(' - - CZ - Czech Republic - 2Milos Zeman - - - DE - Germany - 2 - - - FR - France - 2 - -'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmldata VALUES(' - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmldata VALUES(' - - EG - Egypt - 1 - - - SD - Sudan - 1 - -'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmldata VALUES(' - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') - WHERE region_id = 2; - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - -EXPLAIN (VERBOSE, COSTS OFF) -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE', - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified') - WHERE region_id = 2; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Nested Loop - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - -> Seq Scan on public.xmldata - Output: xmldata.data - -> Table Function Scan on "xmltable" - Output: "xmltable".id, "xmltable"._id, "xmltable".country_name, "xmltable".country_id, "xmltable".region_id, "xmltable".size, "xmltable".unit, "xmltable".premier_name - Table Function Call: XMLTABLE(('/ROWS/ROW'::text) PASSING (xmldata.data) COLUMNS id integer PATH ('@id'::text), _id FOR ORDINALITY, country_name text PATH ('COUNTRY_NAME'::text) NOT NULL, country_id text PATH ('COUNTRY_ID'::text), region_id integer PATH ('REGION_ID'::text), size double precision PATH ('SIZE'::text), unit text PATH ('SIZE/@unit'::text), premier_name text DEFAULT ('not specified'::text) PATH ('PREMIER_NAME'::text)) - Filter: ("xmltable".region_id = 2) -(8 rows) - --- should fail, NULL value -SELECT xmltable.* - FROM (SELECT data FROM xmldata) x, - LATERAL XMLTABLE('/ROWS/ROW' - PASSING data - COLUMNS id int PATH '@id', - _id FOR ORDINALITY, - country_name text PATH 'COUNTRY_NAME' NOT NULL, - country_id text PATH 'COUNTRY_ID', - region_id int PATH 'REGION_ID', - size float PATH 'SIZE' NOT NULL, - unit text PATH 'SIZE/@unit', - premier_name text PATH 'PREMIER_NAME' DEFAULT 'not specified'); - id | _id | country_name | country_id | region_id | size | unit | premier_name -----+-----+--------------+------------+-----------+------+------+-------------- -(0 rows) - --- if all is ok, then result is empty --- one line xml test -WITH - x AS (SELECT proname, proowner, procost::numeric, pronargs, - array_to_string(proargnames,',') as proargnames, - case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes - FROM pg_proc WHERE proname = 'f_leak'), - y AS (SELECT xmlelement(name proc, - xmlforest(proname, proowner, - procost, pronargs, - proargnames, proargtypes)) as proc - FROM x), - z AS (SELECT xmltable.* - FROM y, - LATERAL xmltable('/proc' PASSING proc - COLUMNS proname name, - proowner oid, - procost float, - pronargs int, - proargnames text, - proargtypes text)) - SELECT * FROM z - EXCEPT SELECT * FROM x; -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. --- multi line xml test, result should be empty too -WITH - x AS (SELECT proname, proowner, procost::numeric, pronargs, - array_to_string(proargnames,',') as proargnames, - case when proargtypes <> '' then array_to_string(proargtypes::oid[],',') end as proargtypes - FROM pg_proc), - y AS (SELECT xmlelement(name data, - xmlagg(xmlelement(name proc, - xmlforest(proname, proowner, procost, - pronargs, proargnames, proargtypes)))) as doc - FROM x), - z AS (SELECT xmltable.* - FROM y, - LATERAL xmltable('/data/proc' PASSING doc - COLUMNS proname name, - proowner oid, - procost float, - pronargs int, - proargnames text, - proargtypes text)) - SELECT * FROM z - EXCEPT SELECT * FROM x; -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -CREATE TABLE xmltest2(x xml, _path text); -INSERT INTO xmltest2 VALUES('1', 'A'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest2 VALUES('1', 'A')... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest2 VALUES('2', 'B'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest2 VALUES('2', 'B')... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest2 VALUES('3', 'C'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest2 VALUES('3', 'C')... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -INSERT INTO xmltest2 VALUES('2', 'D'); -ERROR: unsupported XML feature -LINE 1: INSERT INTO xmltest2 VALUES('2', 'D')... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltable.* FROM xmltest2, LATERAL xmltable('/d/r' PASSING x COLUMNS a int PATH '' || lower(_path) || 'c'); - a ---- -(0 rows) - -SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH '.'); - a ---- -(0 rows) - -SELECT xmltable.* FROM xmltest2, LATERAL xmltable(('/d/r/' || lower(_path) || 'c') PASSING x COLUMNS a int PATH 'x' DEFAULT ascii(_path) - 54); - a ---- -(0 rows) - --- XPath result can be boolean or number too -SELECT * FROM XMLTABLE('*' PASSING 'a' COLUMNS a xml PATH '.', b text PATH '.', c text PATH '"hi"', d boolean PATH '. = "a"', e integer PATH 'string-length(.)'); -ERROR: unsupported XML feature -LINE 1: SELECT * FROM XMLTABLE('*' PASSING 'a' COLUMNS a xml ... - ^ -DETAIL: This functionality requires the server to be built with libxml support. -\x -SELECT * FROM XMLTABLE('*' PASSING 'pre&deeppost' COLUMNS x xml PATH '/e/n2', y xml PATH '/'); -ERROR: unsupported XML feature -LINE 1: SELECT * FROM XMLTABLE('*' PASSING 'pre"', b xml PATH '""'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltext(NULL); - xmltext ---------- - -(1 row) - -SELECT xmltext(''); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltext(' '); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltext('foo `$_-+?=*^%!|/\()[]{}'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltext('foo & <"bar">'); -ERROR: unsupported XML feature -DETAIL: This functionality requires the server to be built with libxml support. -SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j'::char); -ERROR: unsupported XML feature -LINE 1: SELECT xmltext('x'|| '

73

'::xml || .42 || true || 'j':... - ^ -DETAIL: This functionality requires the server to be built with libxml support. +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/partition_join.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_join.out --- /tmp/cirrus-ci-build/src/test/regress/expected/partition_join.out 2025-06-04 16:00:28.770342000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_join.out 2025-06-04 16:05:11.683634000 +0000 @@ -1,5400 +1,2 @@ --- --- PARTITION_JOIN --- Test partitionwise join between partitioned tables --- --- Enable partitionwise join, which by default is disabled. -SET enable_partitionwise_join to true; --- --- partitioned by a single column --- -CREATE TABLE prt1 (a int, b int, c varchar) PARTITION BY RANGE(a); -CREATE TABLE prt1_p1 PARTITION OF prt1 FOR VALUES FROM (0) TO (250); -CREATE TABLE prt1_p3 PARTITION OF prt1 FOR VALUES FROM (500) TO (600); -CREATE TABLE prt1_p2 PARTITION OF prt1 FOR VALUES FROM (250) TO (500); -INSERT INTO prt1 SELECT i, i % 25, to_char(i, 'FM0000') FROM generate_series(0, 599) i WHERE i % 2 = 0; -CREATE INDEX iprt1_p1_a on prt1_p1(a); -CREATE INDEX iprt1_p2_a on prt1_p2(a); -CREATE INDEX iprt1_p3_a on prt1_p3(a); -ANALYZE prt1; -CREATE TABLE prt2 (a int, b int, c varchar) PARTITION BY RANGE(b); -CREATE TABLE prt2_p1 PARTITION OF prt2 FOR VALUES FROM (0) TO (250); -CREATE TABLE prt2_p2 PARTITION OF prt2 FOR VALUES FROM (250) TO (500); -CREATE TABLE prt2_p3 PARTITION OF prt2 FOR VALUES FROM (500) TO (600); -INSERT INTO prt2 SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(0, 599) i WHERE i % 3 = 0; -CREATE INDEX iprt2_p1_b on prt2_p1(b); -CREATE INDEX iprt2_p2_b on prt2_p2(b); -CREATE INDEX iprt2_p3_b on prt2_p3(b); -ANALYZE prt2; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 150 | 0150 | 150 | 0150 - 300 | 0300 | 300 | 0300 - 450 | 0450 | 450 | 0450 -(4 rows) - --- inner join with partially-redundant join clauses -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.a AND t1.a = t2.b ORDER BY t1.a, t2.b; - QUERY PLAN ---------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Merge Join - Merge Cond: (t1_1.a = t2_1.a) - -> Index Scan using iprt1_p1_a on prt1_p1 t1_1 - -> Sort - Sort Key: t2_1.b - -> Seq Scan on prt2_p1 t2_1 - Filter: (a = b) - -> Hash Join - Hash Cond: (t1_2.a = t2_2.a) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt2_p2 t2_2 - Filter: (a = b) - -> Hash Join - Hash Cond: (t1_3.a = t2_3.a) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt2_p3 t2_3 - Filter: (a = b) -(22 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.a AND t1.a = t2.b ORDER BY t1.a, t2.b; - a | c | b | c -----+------+----+------ - 0 | 0000 | 0 | 0000 - 6 | 0006 | 6 | 0006 - 12 | 0012 | 12 | 0012 - 18 | 0018 | 18 | 0018 - 24 | 0024 | 24 | 0024 -(5 rows) - --- left outer join, 3-way -EXPLAIN (COSTS OFF) -SELECT COUNT(*) FROM prt1 t1 - LEFT JOIN prt1 t2 ON t1.a = t2.a - LEFT JOIN prt1 t3 ON t2.a = t3.a; - QUERY PLAN --------------------------------------------------------- - Aggregate - -> Append - -> Hash Left Join - Hash Cond: (t2_1.a = t3_1.a) - -> Hash Left Join - Hash Cond: (t1_1.a = t2_1.a) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt1_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t3_1 - -> Hash Left Join - Hash Cond: (t2_2.a = t3_2.a) - -> Hash Left Join - Hash Cond: (t1_2.a = t2_2.a) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt1_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t3_2 - -> Hash Left Join - Hash Cond: (t2_3.a = t3_3.a) - -> Hash Left Join - Hash Cond: (t1_3.a = t2_3.a) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt1_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t3_3 -(29 rows) - -SELECT COUNT(*) FROM prt1 t1 - LEFT JOIN prt1 t2 ON t1.a = t2.a - LEFT JOIN prt1 t3 ON t2.a = t3.a; - count -------- - 300 -(1 row) - --- left outer join, with whole-row reference; partitionwise join does not apply -EXPLAIN (COSTS OFF) -SELECT t1, t2 FROM prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Hash Right Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_p1 t2_1 - -> Seq Scan on prt2_p2 t2_2 - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) -(16 rows) - -SELECT t1, t2 FROM prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - t1 | t2 ---------------+-------------- - (0,0,0000) | (0,0,0000) - (50,0,0050) | - (100,0,0100) | - (150,0,0150) | (0,150,0150) - (200,0,0200) | - (250,0,0250) | - (300,0,0300) | (0,300,0300) - (350,0,0350) | - (400,0,0400) | - (450,0,0450) | (0,450,0450) - (500,0,0500) | - (550,0,0550) | -(12 rows) - --- right outer join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1 RIGHT JOIN prt2 t2 ON t1.a = t2.b WHERE t2.a = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ---------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Right Join - Hash Cond: (t1_1.a = t2_1.b) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt2_p1 t2_1 - Filter: (a = 0) - -> Hash Right Join - Hash Cond: (t1_2.a = t2_2.b) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt2_p2 t2_2 - Filter: (a = 0) - -> Nested Loop Left Join - -> Seq Scan on prt2_p3 t2_3 - Filter: (a = 0) - -> Index Scan using iprt1_p3_a on prt1_p3 t1_3 - Index Cond: (a = t2_3.b) -(20 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1 RIGHT JOIN prt2 t2 ON t1.a = t2.b WHERE t2.a = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 150 | 0150 | 150 | 0150 - 300 | 0300 | 300 | 0300 - 450 | 0450 | 450 | 0450 - | | 75 | 0075 - | | 225 | 0225 - | | 375 | 0375 - | | 525 | 0525 -(8 rows) - --- full outer join, with placeholder vars -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 50 phv, * FROM prt1 WHERE prt1.b = 0) t1 FULL JOIN (SELECT 75 phv, * FROM prt2 WHERE prt2.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - QUERY PLAN ----------------------------------------------------------------- - Sort - Sort Key: prt1.a, prt2.b - -> Append - -> Hash Full Join - Hash Cond: (prt1_1.a = prt2_1.b) - Filter: (((50) = prt1_1.a) OR ((75) = prt2_1.b)) - -> Seq Scan on prt1_p1 prt1_1 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p1 prt2_1 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: (prt1_2.a = prt2_2.b) - Filter: (((50) = prt1_2.a) OR ((75) = prt2_2.b)) - -> Seq Scan on prt1_p2 prt1_2 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p2 prt2_2 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: (prt1_3.a = prt2_3.b) - Filter: (((50) = prt1_3.a) OR ((75) = prt2_3.b)) - -> Seq Scan on prt1_p3 prt1_3 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p3 prt2_3 - Filter: (a = 0) -(27 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 50 phv, * FROM prt1 WHERE prt1.b = 0) t1 FULL JOIN (SELECT 75 phv, * FROM prt2 WHERE prt2.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - a | c | b | c -----+------+----+------ - 50 | 0050 | | - | | 75 | 0075 -(2 rows) - --- Join with pruned partitions from joining relations -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.a < 450 AND t2.b > 250 AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------ - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: (t2.b = t1.a) - -> Seq Scan on prt2_p2 t2 - Filter: (b > 250) - -> Hash - -> Seq Scan on prt1_p2 t1 - Filter: ((a < 450) AND (b = 0)) -(9 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.a < 450 AND t2.b > 250 AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 300 | 0300 | 300 | 0300 -(1 row) - --- Currently we can't do partitioned join if nullable-side partitions are pruned -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a < 450) t1 LEFT JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------ - Sort - Sort Key: prt1.a, prt2.b - -> Hash Right Join - Hash Cond: (prt2.b = prt1.a) - -> Append - -> Seq Scan on prt2_p2 prt2_1 - Filter: (b > 250) - -> Seq Scan on prt2_p3 prt2_2 - Filter: (b > 250) - -> Hash - -> Append - -> Seq Scan on prt1_p1 prt1_1 - Filter: ((a < 450) AND (b = 0)) - -> Seq Scan on prt1_p2 prt1_2 - Filter: ((a < 450) AND (b = 0)) -(15 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a < 450) t1 LEFT JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | | - 50 | 0050 | | - 100 | 0100 | | - 150 | 0150 | | - 200 | 0200 | | - 250 | 0250 | | - 300 | 0300 | 300 | 0300 - 350 | 0350 | | - 400 | 0400 | | -(9 rows) - --- Currently we can't do partitioned join if nullable-side partitions are pruned -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a < 450) t1 FULL JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 OR t2.a = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ----------------------------------------------------- - Sort - Sort Key: prt1.a, prt2.b - -> Hash Full Join - Hash Cond: (prt1.a = prt2.b) - Filter: ((prt1.b = 0) OR (prt2.a = 0)) - -> Append - -> Seq Scan on prt1_p1 prt1_1 - Filter: (a < 450) - -> Seq Scan on prt1_p2 prt1_2 - Filter: (a < 450) - -> Hash - -> Append - -> Seq Scan on prt2_p2 prt2_1 - Filter: (b > 250) - -> Seq Scan on prt2_p3 prt2_2 - Filter: (b > 250) -(16 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a < 450) t1 FULL JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 OR t2.a = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | | - 50 | 0050 | | - 100 | 0100 | | - 150 | 0150 | | - 200 | 0200 | | - 250 | 0250 | | - 300 | 0300 | 300 | 0300 - 350 | 0350 | | - 400 | 0400 | | - | | 375 | 0375 - | | 450 | 0450 - | | 525 | 0525 -(12 rows) - --- Semi-join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t2.b FROM prt2 t2 WHERE t2.a = 0) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Semi Join - Hash Cond: (t1_1.a = t2_1.b) - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p1 t2_1 - Filter: (a = 0) - -> Hash Semi Join - Hash Cond: (t1_2.a = t2_2.b) - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p2 t2_2 - Filter: (a = 0) - -> Nested Loop Semi Join - Join Filter: (t1_3.a = t2_3.b) - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) - -> Materialize - -> Seq Scan on prt2_p3 t2_3 - Filter: (a = 0) -(24 rows) - -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t2.b FROM prt2 t2 WHERE t2.a = 0) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 0 | 0 | 0000 - 150 | 0 | 0150 - 300 | 0 | 0300 - 450 | 0 | 0450 -(4 rows) - --- Anti-join with aggregates -EXPLAIN (COSTS OFF) -SELECT sum(t1.a), avg(t1.a), sum(t1.b), avg(t1.b) FROM prt1 t1 WHERE NOT EXISTS (SELECT 1 FROM prt2 t2 WHERE t1.a = t2.b); - QUERY PLAN --------------------------------------------------- - Aggregate - -> Append - -> Hash Anti Join - Hash Cond: (t1_1.a = t2_1.b) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt2_p1 t2_1 - -> Hash Anti Join - Hash Cond: (t1_2.a = t2_2.b) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt2_p2 t2_2 - -> Hash Anti Join - Hash Cond: (t1_3.a = t2_3.b) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt2_p3 t2_3 -(17 rows) - -SELECT sum(t1.a), avg(t1.a), sum(t1.b), avg(t1.b) FROM prt1 t1 WHERE NOT EXISTS (SELECT 1 FROM prt2 t2 WHERE t1.a = t2.b); - sum | avg | sum | avg --------+----------------------+------+--------------------- - 60000 | 300.0000000000000000 | 2400 | 12.0000000000000000 -(1 row) - --- lateral reference -EXPLAIN (COSTS OFF) -SELECT * FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t3.a AS t3a, least(t1.a,t2.a,t3.b) FROM prt1 t2 JOIN prt2 t3 ON (t2.a = t3.b)) ss - ON t1.a = ss.t2a WHERE t1.b = 0 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Nested Loop Left Join - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Nested Loop - -> Index Only Scan using iprt1_p1_a on prt1_p1 t2_1 - Index Cond: (a = t1_1.a) - -> Index Scan using iprt2_p1_b on prt2_p1 t3_1 - Index Cond: (b = t2_1.a) - -> Nested Loop Left Join - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Nested Loop - -> Index Only Scan using iprt1_p2_a on prt1_p2 t2_2 - Index Cond: (a = t1_2.a) - -> Index Scan using iprt2_p2_b on prt2_p2 t3_2 - Index Cond: (b = t2_2.a) - -> Nested Loop Left Join - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) - -> Nested Loop - -> Index Only Scan using iprt1_p3_a on prt1_p3 t2_3 - Index Cond: (a = t1_3.a) - -> Index Scan using iprt2_p3_b on prt2_p3 t3_3 - Index Cond: (b = t2_3.a) -(27 rows) - -SELECT * FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t3.a AS t3a, least(t1.a,t2.a,t3.b) FROM prt1 t2 JOIN prt2 t3 ON (t2.a = t3.b)) ss - ON t1.a = ss.t2a WHERE t1.b = 0 ORDER BY t1.a; - a | b | c | t2a | t3a | least ------+---+------+-----+-----+------- - 0 | 0 | 0000 | 0 | 0 | 0 - 50 | 0 | 0050 | | | - 100 | 0 | 0100 | | | - 150 | 0 | 0150 | 150 | 0 | 150 - 200 | 0 | 0200 | | | - 250 | 0 | 0250 | | | - 300 | 0 | 0300 | 300 | 0 | 300 - 350 | 0 | 0350 | | | - 400 | 0 | 0400 | | | - 450 | 0 | 0450 | 450 | 0 | 450 - 500 | 0 | 0500 | | | - 550 | 0 | 0550 | | | -(12 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, ss.t2a, ss.t2c FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t3.a AS t3a, t2.b t2b, t2.c t2c, least(t1.a,t2.a,t3.b) FROM prt1 t2 JOIN prt2 t3 ON (t2.a = t3.b)) ss - ON t1.c = ss.t2c WHERE (t1.b + coalesce(ss.t2b, 0)) = 0 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Left Join - Hash Cond: ((t1.c)::text = (t2.c)::text) - Filter: ((t1.b + COALESCE(t2.b, 0)) = 0) - -> Append - -> Seq Scan on prt1_p1 t1_1 - -> Seq Scan on prt1_p2 t1_2 - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Append - -> Hash Join - Hash Cond: (t2_1.a = t3_1.b) - -> Seq Scan on prt1_p1 t2_1 - -> Hash - -> Seq Scan on prt2_p1 t3_1 - -> Hash Join - Hash Cond: (t2_2.a = t3_2.b) - -> Seq Scan on prt1_p2 t2_2 - -> Hash - -> Seq Scan on prt2_p2 t3_2 - -> Hash Join - Hash Cond: (t2_3.a = t3_3.b) - -> Seq Scan on prt1_p3 t2_3 - -> Hash - -> Seq Scan on prt2_p3 t3_3 -(26 rows) - -SELECT t1.a, ss.t2a, ss.t2c FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t3.a AS t3a, t2.b t2b, t2.c t2c, least(t1.a,t2.a,t3.a) FROM prt1 t2 JOIN prt2 t3 ON (t2.a = t3.b)) ss - ON t1.c = ss.t2c WHERE (t1.b + coalesce(ss.t2b, 0)) = 0 ORDER BY t1.a; - a | t2a | t2c ------+-----+------ - 0 | 0 | 0000 - 50 | | - 100 | | - 150 | 150 | 0150 - 200 | | - 250 | | - 300 | 300 | 0300 - 350 | | - 400 | | - 450 | 450 | 0450 - 500 | | - 550 | | -(12 rows) - --- lateral reference in sample scan -EXPLAIN (COSTS OFF) -SELECT * FROM prt1 t1 JOIN LATERAL - (SELECT * FROM prt1 t2 TABLESAMPLE SYSTEM (t1.a) REPEATABLE(t1.b)) s - ON t1.a = s.a; - QUERY PLAN -------------------------------------------------------------- - Append - -> Nested Loop - -> Seq Scan on prt1_p1 t1_1 - -> Sample Scan on prt1_p1 t2_1 - Sampling: system (t1_1.a) REPEATABLE (t1_1.b) - Filter: (t1_1.a = a) - -> Nested Loop - -> Seq Scan on prt1_p2 t1_2 - -> Sample Scan on prt1_p2 t2_2 - Sampling: system (t1_2.a) REPEATABLE (t1_2.b) - Filter: (t1_2.a = a) - -> Nested Loop - -> Seq Scan on prt1_p3 t1_3 - -> Sample Scan on prt1_p3 t2_3 - Sampling: system (t1_3.a) REPEATABLE (t1_3.b) - Filter: (t1_3.a = a) -(16 rows) - --- lateral reference in scan's restriction clauses -EXPLAIN (COSTS OFF) -SELECT count(*) FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2 t2) s - ON t1.a = s.b WHERE s.t1b = s.a; - QUERY PLAN ---------------------------------------------------------------- - Aggregate - -> Append - -> Nested Loop - -> Seq Scan on prt1_p1 t1_1 - -> Index Scan using iprt2_p1_b on prt2_p1 t2_1 - Index Cond: (b = t1_1.a) - Filter: (t1_1.b = a) - -> Nested Loop - -> Seq Scan on prt1_p2 t1_2 - -> Index Scan using iprt2_p2_b on prt2_p2 t2_2 - Index Cond: (b = t1_2.a) - Filter: (t1_2.b = a) - -> Nested Loop - -> Seq Scan on prt1_p3 t1_3 - -> Index Scan using iprt2_p3_b on prt2_p3 t2_3 - Index Cond: (b = t1_3.a) - Filter: (t1_3.b = a) -(17 rows) - -SELECT count(*) FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2 t2) s - ON t1.a = s.b WHERE s.t1b = s.a; - count -------- - 100 -(1 row) - -EXPLAIN (COSTS OFF) -SELECT count(*) FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2 t2) s - ON t1.a = s.b WHERE s.t1b = s.b; - QUERY PLAN --------------------------------------------------------------------- - Aggregate - -> Append - -> Nested Loop - -> Seq Scan on prt1_p1 t1_1 - -> Index Only Scan using iprt2_p1_b on prt2_p1 t2_1 - Index Cond: (b = t1_1.a) - Filter: (b = t1_1.b) - -> Nested Loop - -> Seq Scan on prt1_p2 t1_2 - -> Index Only Scan using iprt2_p2_b on prt2_p2 t2_2 - Index Cond: (b = t1_2.a) - Filter: (b = t1_2.b) - -> Nested Loop - -> Seq Scan on prt1_p3 t1_3 - -> Index Only Scan using iprt2_p3_b on prt2_p3 t2_3 - Index Cond: (b = t1_3.a) - Filter: (b = t1_3.b) -(17 rows) - -SELECT count(*) FROM prt1 t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2 t2) s - ON t1.a = s.b WHERE s.t1b = s.b; - count -------- - 5 -(1 row) - --- bug with inadequate sort key representation -SET enable_partitionwise_aggregate TO true; -SET enable_hashjoin TO false; -EXPLAIN (COSTS OFF) -SELECT a, b FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) - WHERE a BETWEEN 490 AND 510 - GROUP BY 1, 2 ORDER BY 1, 2; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------ - Group - Group Key: (COALESCE(prt1.a, p2.a)), (COALESCE(prt1.b, p2.b)) - -> Merge Append - Sort Key: (COALESCE(prt1.a, p2.a)), (COALESCE(prt1.b, p2.b)) - -> Group - Group Key: (COALESCE(prt1.a, p2.a)), (COALESCE(prt1.b, p2.b)) - -> Sort - Sort Key: (COALESCE(prt1.a, p2.a)), (COALESCE(prt1.b, p2.b)) - -> Merge Full Join - Merge Cond: ((prt1.a = p2.a) AND (prt1.b = p2.b)) - Filter: ((COALESCE(prt1.a, p2.a) >= 490) AND (COALESCE(prt1.a, p2.a) <= 510)) - -> Sort - Sort Key: prt1.a, prt1.b - -> Seq Scan on prt1_p1 prt1 - -> Sort - Sort Key: p2.a, p2.b - -> Seq Scan on prt2_p1 p2 - -> Group - Group Key: (COALESCE(prt1_1.a, p2_1.a)), (COALESCE(prt1_1.b, p2_1.b)) - -> Sort - Sort Key: (COALESCE(prt1_1.a, p2_1.a)), (COALESCE(prt1_1.b, p2_1.b)) - -> Merge Full Join - Merge Cond: ((prt1_1.a = p2_1.a) AND (prt1_1.b = p2_1.b)) - Filter: ((COALESCE(prt1_1.a, p2_1.a) >= 490) AND (COALESCE(prt1_1.a, p2_1.a) <= 510)) - -> Sort - Sort Key: prt1_1.a, prt1_1.b - -> Seq Scan on prt1_p2 prt1_1 - -> Sort - Sort Key: p2_1.a, p2_1.b - -> Seq Scan on prt2_p2 p2_1 - -> Group - Group Key: (COALESCE(prt1_2.a, p2_2.a)), (COALESCE(prt1_2.b, p2_2.b)) - -> Sort - Sort Key: (COALESCE(prt1_2.a, p2_2.a)), (COALESCE(prt1_2.b, p2_2.b)) - -> Merge Full Join - Merge Cond: ((prt1_2.a = p2_2.a) AND (prt1_2.b = p2_2.b)) - Filter: ((COALESCE(prt1_2.a, p2_2.a) >= 490) AND (COALESCE(prt1_2.a, p2_2.a) <= 510)) - -> Sort - Sort Key: prt1_2.a, prt1_2.b - -> Seq Scan on prt1_p3 prt1_2 - -> Sort - Sort Key: p2_2.a, p2_2.b - -> Seq Scan on prt2_p3 p2_2 -(43 rows) - -SELECT a, b FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) - WHERE a BETWEEN 490 AND 510 - GROUP BY 1, 2 ORDER BY 1, 2; - a | b ------+---- - 490 | 15 - 492 | 17 - 494 | 19 - 495 | 20 - 496 | 21 - 498 | 23 - 500 | 0 - 501 | 1 - 502 | 2 - 504 | 4 - 506 | 6 - 507 | 7 - 508 | 8 - 510 | 10 -(14 rows) - -RESET enable_partitionwise_aggregate; -RESET enable_hashjoin; --- bug in freeing the SpecialJoinInfo of a child-join -EXPLAIN (COSTS OFF) -SELECT * FROM prt1 t1 JOIN prt1 t2 ON t1.a = t2.a WHERE t1.a IN (SELECT a FROM prt1 t3); - QUERY PLAN --------------------------------------------------- - Append - -> Hash Semi Join - Hash Cond: (t1_1.a = t3_1.a) - -> Hash Join - Hash Cond: (t1_1.a = t2_1.a) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt1_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t3_1 - -> Hash Semi Join - Hash Cond: (t1_2.a = t3_2.a) - -> Hash Join - Hash Cond: (t1_2.a = t2_2.a) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt1_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t3_2 - -> Hash Semi Join - Hash Cond: (t1_3.a = t3_3.a) - -> Hash Join - Hash Cond: (t1_3.a = t2_3.a) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt1_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t3_3 -(28 rows) - --- --- partitioned by expression --- -CREATE TABLE prt1_e (a int, b int, c int) PARTITION BY RANGE(((a + b)/2)); -CREATE TABLE prt1_e_p1 PARTITION OF prt1_e FOR VALUES FROM (0) TO (250); -CREATE TABLE prt1_e_p2 PARTITION OF prt1_e FOR VALUES FROM (250) TO (500); -CREATE TABLE prt1_e_p3 PARTITION OF prt1_e FOR VALUES FROM (500) TO (600); -INSERT INTO prt1_e SELECT i, i, i % 25 FROM generate_series(0, 599, 2) i; -CREATE INDEX iprt1_e_p1_ab2 on prt1_e_p1(((a+b)/2)); -CREATE INDEX iprt1_e_p2_ab2 on prt1_e_p2(((a+b)/2)); -CREATE INDEX iprt1_e_p3_ab2 on prt1_e_p3(((a+b)/2)); -ANALYZE prt1_e; -CREATE TABLE prt2_e (a int, b int, c int) PARTITION BY RANGE(((b + a)/2)); -CREATE TABLE prt2_e_p1 PARTITION OF prt2_e FOR VALUES FROM (0) TO (250); -CREATE TABLE prt2_e_p2 PARTITION OF prt2_e FOR VALUES FROM (250) TO (500); -CREATE TABLE prt2_e_p3 PARTITION OF prt2_e FOR VALUES FROM (500) TO (600); -INSERT INTO prt2_e SELECT i, i, i % 25 FROM generate_series(0, 599, 3) i; -ANALYZE prt2_e; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_e t1, prt2_e t2 WHERE (t1.a + t1.b)/2 = (t2.b + t2.a)/2 AND t1.c = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Join - Hash Cond: (((t2_1.b + t2_1.a) / 2) = ((t1_1.a + t1_1.b) / 2)) - -> Seq Scan on prt2_e_p1 t2_1 - -> Hash - -> Seq Scan on prt1_e_p1 t1_1 - Filter: (c = 0) - -> Hash Join - Hash Cond: (((t2_2.b + t2_2.a) / 2) = ((t1_2.a + t1_2.b) / 2)) - -> Seq Scan on prt2_e_p2 t2_2 - -> Hash - -> Seq Scan on prt1_e_p2 t1_2 - Filter: (c = 0) - -> Hash Join - Hash Cond: (((t2_3.b + t2_3.a) / 2) = ((t1_3.a + t1_3.b) / 2)) - -> Seq Scan on prt2_e_p3 t2_3 - -> Hash - -> Seq Scan on prt1_e_p3 t1_3 - Filter: (c = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_e t1, prt2_e t2 WHERE (t1.a + t1.b)/2 = (t2.b + t2.a)/2 AND t1.c = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+---+-----+--- - 0 | 0 | 0 | 0 - 150 | 0 | 150 | 0 - 300 | 0 | 300 | 0 - 450 | 0 | 450 | 0 -(4 rows) - --- --- N-way join --- -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM prt1 t1, prt2 t2, prt1_e t3 WHERE t1.a = t2.b AND t1.a = (t3.a + t3.b)/2 AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ---------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Nested Loop - Join Filter: (t1_1.a = ((t3_1.a + t3_1.b) / 2)) - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Index Scan using iprt1_e_p1_ab2 on prt1_e_p1 t3_1 - Index Cond: (((a + b) / 2) = t2_1.b) - -> Nested Loop - Join Filter: (t1_2.a = ((t3_2.a + t3_2.b) / 2)) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Index Scan using iprt1_e_p2_ab2 on prt1_e_p2 t3_2 - Index Cond: (((a + b) / 2) = t2_2.b) - -> Nested Loop - Join Filter: (t1_3.a = ((t3_3.a + t3_3.b) / 2)) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) - -> Index Scan using iprt1_e_p3_ab2 on prt1_e_p3 t3_3 - Index Cond: (((a + b) / 2) = t2_3.b) -(33 rows) - -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM prt1 t1, prt2 t2, prt1_e t3 WHERE t1.a = t2.b AND t1.a = (t3.a + t3.b)/2 AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c | ?column? | c ------+------+-----+------+----------+--- - 0 | 0000 | 0 | 0000 | 0 | 0 - 150 | 0150 | 150 | 0150 | 300 | 0 - 300 | 0300 | 300 | 0300 | 600 | 0 - 450 | 0450 | 450 | 0450 | 900 | 0 -(4 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) LEFT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t1.b = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - QUERY PLAN --------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b, ((t3.a + t3.b)) - -> Append - -> Hash Right Join - Hash Cond: (((t3_1.a + t3_1.b) / 2) = t1_1.a) - -> Seq Scan on prt1_e_p1 t3_1 - -> Hash - -> Hash Right Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (((t3_2.a + t3_2.b) / 2) = t1_2.a) - -> Seq Scan on prt1_e_p2 t3_2 - -> Hash - -> Hash Right Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (((t3_3.a + t3_3.b) / 2) = t1_3.a) - -> Seq Scan on prt1_e_p3 t3_3 - -> Hash - -> Hash Right Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) -(33 rows) - -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) LEFT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t1.b = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - a | c | b | c | ?column? | c ------+------+-----+------+----------+--- - 0 | 0000 | 0 | 0000 | 0 | 0 - 50 | 0050 | | | 100 | 0 - 100 | 0100 | | | 200 | 0 - 150 | 0150 | 150 | 0150 | 300 | 0 - 200 | 0200 | | | 400 | 0 - 250 | 0250 | | | 500 | 0 - 300 | 0300 | 300 | 0300 | 600 | 0 - 350 | 0350 | | | 700 | 0 - 400 | 0400 | | | 800 | 0 - 450 | 0450 | 450 | 0450 | 900 | 0 - 500 | 0500 | | | 1000 | 0 - 550 | 0550 | | | 1100 | 0 -(12 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) RIGHT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t3.c = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - QUERY PLAN -------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b, ((t3.a + t3.b)) - -> Append - -> Nested Loop Left Join - -> Hash Right Join - Hash Cond: (t1_1.a = ((t3_1.a + t3_1.b) / 2)) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt1_e_p1 t3_1 - Filter: (c = 0) - -> Index Scan using iprt2_p1_b on prt2_p1 t2_1 - Index Cond: (b = t1_1.a) - -> Nested Loop Left Join - -> Hash Right Join - Hash Cond: (t1_2.a = ((t3_2.a + t3_2.b) / 2)) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt1_e_p2 t3_2 - Filter: (c = 0) - -> Index Scan using iprt2_p2_b on prt2_p2 t2_2 - Index Cond: (b = t1_2.a) - -> Nested Loop Left Join - -> Hash Right Join - Hash Cond: (t1_3.a = ((t3_3.a + t3_3.b) / 2)) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt1_e_p3 t3_3 - Filter: (c = 0) - -> Index Scan using iprt2_p3_b on prt2_p3 t2_3 - Index Cond: (b = t1_3.a) -(30 rows) - -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) RIGHT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t3.c = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - a | c | b | c | ?column? | c ------+------+-----+------+----------+--- - 0 | 0000 | 0 | 0000 | 0 | 0 - 50 | 0050 | | | 100 | 0 - 100 | 0100 | | | 200 | 0 - 150 | 0150 | 150 | 0150 | 300 | 0 - 200 | 0200 | | | 400 | 0 - 250 | 0250 | | | 500 | 0 - 300 | 0300 | 300 | 0300 | 600 | 0 - 350 | 0350 | | | 700 | 0 - 400 | 0400 | | | 800 | 0 - 450 | 0450 | 450 | 0450 | 900 | 0 - 500 | 0500 | | | 1000 | 0 - 550 | 0550 | | | 1100 | 0 -(12 rows) - --- --- 3-way full join --- -EXPLAIN (COSTS OFF) -SELECT COUNT(*) FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) FULL JOIN prt2 p3(b,a,c) USING (a, b) - WHERE a BETWEEN 490 AND 510; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------ - Aggregate - -> Append - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_1.a, p2_1.a) = p3_1.a) AND (COALESCE(prt1_1.b, p2_1.b) = p3_1.b)) - Filter: ((COALESCE(COALESCE(prt1_1.a, p2_1.a), p3_1.a) >= 490) AND (COALESCE(COALESCE(prt1_1.a, p2_1.a), p3_1.a) <= 510)) - -> Hash Full Join - Hash Cond: ((prt1_1.a = p2_1.a) AND (prt1_1.b = p2_1.b)) - -> Seq Scan on prt1_p1 prt1_1 - -> Hash - -> Seq Scan on prt2_p1 p2_1 - -> Hash - -> Seq Scan on prt2_p1 p3_1 - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_2.a, p2_2.a) = p3_2.a) AND (COALESCE(prt1_2.b, p2_2.b) = p3_2.b)) - Filter: ((COALESCE(COALESCE(prt1_2.a, p2_2.a), p3_2.a) >= 490) AND (COALESCE(COALESCE(prt1_2.a, p2_2.a), p3_2.a) <= 510)) - -> Hash Full Join - Hash Cond: ((prt1_2.a = p2_2.a) AND (prt1_2.b = p2_2.b)) - -> Seq Scan on prt1_p2 prt1_2 - -> Hash - -> Seq Scan on prt2_p2 p2_2 - -> Hash - -> Seq Scan on prt2_p2 p3_2 - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_3.a, p2_3.a) = p3_3.a) AND (COALESCE(prt1_3.b, p2_3.b) = p3_3.b)) - Filter: ((COALESCE(COALESCE(prt1_3.a, p2_3.a), p3_3.a) >= 490) AND (COALESCE(COALESCE(prt1_3.a, p2_3.a), p3_3.a) <= 510)) - -> Hash Full Join - Hash Cond: ((prt1_3.a = p2_3.a) AND (prt1_3.b = p2_3.b)) - -> Seq Scan on prt1_p3 prt1_3 - -> Hash - -> Seq Scan on prt2_p3 p2_3 - -> Hash - -> Seq Scan on prt2_p3 p3_3 -(32 rows) - -SELECT COUNT(*) FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) FULL JOIN prt2 p3(b,a,c) USING (a, b) - WHERE a BETWEEN 490 AND 510; - count -------- - 14 -(1 row) - --- --- 4-way full join --- -EXPLAIN (COSTS OFF) -SELECT COUNT(*) FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) FULL JOIN prt2 p3(b,a,c) USING (a, b) FULL JOIN prt1 p4 (a,b,c) USING (a, b) - WHERE a BETWEEN 490 AND 510; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Aggregate - -> Append - -> Hash Full Join - Hash Cond: ((COALESCE(COALESCE(prt1_1.a, p2_1.a), p3_1.a) = p4_1.a) AND (COALESCE(COALESCE(prt1_1.b, p2_1.b), p3_1.b) = p4_1.b)) - Filter: ((COALESCE(COALESCE(COALESCE(prt1_1.a, p2_1.a), p3_1.a), p4_1.a) >= 490) AND (COALESCE(COALESCE(COALESCE(prt1_1.a, p2_1.a), p3_1.a), p4_1.a) <= 510)) - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_1.a, p2_1.a) = p3_1.a) AND (COALESCE(prt1_1.b, p2_1.b) = p3_1.b)) - -> Hash Full Join - Hash Cond: ((prt1_1.a = p2_1.a) AND (prt1_1.b = p2_1.b)) - -> Seq Scan on prt1_p1 prt1_1 - -> Hash - -> Seq Scan on prt2_p1 p2_1 - -> Hash - -> Seq Scan on prt2_p1 p3_1 - -> Hash - -> Seq Scan on prt1_p1 p4_1 - -> Hash Full Join - Hash Cond: ((COALESCE(COALESCE(prt1_2.a, p2_2.a), p3_2.a) = p4_2.a) AND (COALESCE(COALESCE(prt1_2.b, p2_2.b), p3_2.b) = p4_2.b)) - Filter: ((COALESCE(COALESCE(COALESCE(prt1_2.a, p2_2.a), p3_2.a), p4_2.a) >= 490) AND (COALESCE(COALESCE(COALESCE(prt1_2.a, p2_2.a), p3_2.a), p4_2.a) <= 510)) - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_2.a, p2_2.a) = p3_2.a) AND (COALESCE(prt1_2.b, p2_2.b) = p3_2.b)) - -> Hash Full Join - Hash Cond: ((prt1_2.a = p2_2.a) AND (prt1_2.b = p2_2.b)) - -> Seq Scan on prt1_p2 prt1_2 - -> Hash - -> Seq Scan on prt2_p2 p2_2 - -> Hash - -> Seq Scan on prt2_p2 p3_2 - -> Hash - -> Seq Scan on prt1_p2 p4_2 - -> Hash Full Join - Hash Cond: ((COALESCE(COALESCE(prt1_3.a, p2_3.a), p3_3.a) = p4_3.a) AND (COALESCE(COALESCE(prt1_3.b, p2_3.b), p3_3.b) = p4_3.b)) - Filter: ((COALESCE(COALESCE(COALESCE(prt1_3.a, p2_3.a), p3_3.a), p4_3.a) >= 490) AND (COALESCE(COALESCE(COALESCE(prt1_3.a, p2_3.a), p3_3.a), p4_3.a) <= 510)) - -> Hash Full Join - Hash Cond: ((COALESCE(prt1_3.a, p2_3.a) = p3_3.a) AND (COALESCE(prt1_3.b, p2_3.b) = p3_3.b)) - -> Hash Full Join - Hash Cond: ((prt1_3.a = p2_3.a) AND (prt1_3.b = p2_3.b)) - -> Seq Scan on prt1_p3 prt1_3 - -> Hash - -> Seq Scan on prt2_p3 p2_3 - -> Hash - -> Seq Scan on prt2_p3 p3_3 - -> Hash - -> Seq Scan on prt1_p3 p4_3 -(44 rows) - -SELECT COUNT(*) FROM prt1 FULL JOIN prt2 p2(b,a,c) USING(a,b) FULL JOIN prt2 p3(b,a,c) USING (a, b) FULL JOIN prt1 p4 (a,b,c) USING (a, b) - WHERE a BETWEEN 490 AND 510; - count -------- - 14 -(1 row) - --- Cases with non-nullable expressions in subquery results; --- make sure these go to null as expected -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.phv, t2.b, t2.phv, t3.a + t3.b, t3.phv FROM ((SELECT 50 phv, * FROM prt1 WHERE prt1.b = 0) t1 FULL JOIN (SELECT 75 phv, * FROM prt2 WHERE prt2.a = 0) t2 ON (t1.a = t2.b)) FULL JOIN (SELECT 50 phv, * FROM prt1_e WHERE prt1_e.c = 0) t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t1.a = t1.phv OR t2.b = t2.phv OR (t3.a + t3.b)/2 = t3.phv ORDER BY t1.a, t2.b, t3.a + t3.b; - QUERY PLAN ------------------------------------------------------------------------------------------------------------- - Sort - Sort Key: prt1.a, prt2.b, ((prt1_e.a + prt1_e.b)) - -> Append - -> Hash Full Join - Hash Cond: (prt1_1.a = ((prt1_e_1.a + prt1_e_1.b) / 2)) - Filter: ((prt1_1.a = (50)) OR (prt2_1.b = (75)) OR (((prt1_e_1.a + prt1_e_1.b) / 2) = (50))) - -> Hash Full Join - Hash Cond: (prt1_1.a = prt2_1.b) - -> Seq Scan on prt1_p1 prt1_1 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p1 prt2_1 - Filter: (a = 0) - -> Hash - -> Seq Scan on prt1_e_p1 prt1_e_1 - Filter: (c = 0) - -> Hash Full Join - Hash Cond: (prt1_2.a = ((prt1_e_2.a + prt1_e_2.b) / 2)) - Filter: ((prt1_2.a = (50)) OR (prt2_2.b = (75)) OR (((prt1_e_2.a + prt1_e_2.b) / 2) = (50))) - -> Hash Full Join - Hash Cond: (prt1_2.a = prt2_2.b) - -> Seq Scan on prt1_p2 prt1_2 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p2 prt2_2 - Filter: (a = 0) - -> Hash - -> Seq Scan on prt1_e_p2 prt1_e_2 - Filter: (c = 0) - -> Hash Full Join - Hash Cond: (prt1_3.a = ((prt1_e_3.a + prt1_e_3.b) / 2)) - Filter: ((prt1_3.a = (50)) OR (prt2_3.b = (75)) OR (((prt1_e_3.a + prt1_e_3.b) / 2) = (50))) - -> Hash Full Join - Hash Cond: (prt1_3.a = prt2_3.b) - -> Seq Scan on prt1_p3 prt1_3 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_p3 prt2_3 - Filter: (a = 0) - -> Hash - -> Seq Scan on prt1_e_p3 prt1_e_3 - Filter: (c = 0) -(42 rows) - -SELECT t1.a, t1.phv, t2.b, t2.phv, t3.a + t3.b, t3.phv FROM ((SELECT 50 phv, * FROM prt1 WHERE prt1.b = 0) t1 FULL JOIN (SELECT 75 phv, * FROM prt2 WHERE prt2.a = 0) t2 ON (t1.a = t2.b)) FULL JOIN (SELECT 50 phv, * FROM prt1_e WHERE prt1_e.c = 0) t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t1.a = t1.phv OR t2.b = t2.phv OR (t3.a + t3.b)/2 = t3.phv ORDER BY t1.a, t2.b, t3.a + t3.b; - a | phv | b | phv | ?column? | phv -----+-----+----+-----+----------+----- - 50 | 50 | | | 100 | 50 - | | 75 | 75 | | -(2 rows) - --- Semi-join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1, prt1_e t2 WHERE t1.a = 0 AND t1.b = (t2.a + t2.b)/2) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ---------------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Nested Loop - Join Filter: (t1_2.a = t1_5.b) - -> HashAggregate - Group Key: t1_5.b - -> Hash Join - Hash Cond: (((t2_1.a + t2_1.b) / 2) = t1_5.b) - -> Seq Scan on prt1_e_p1 t2_1 - -> Hash - -> Seq Scan on prt2_p1 t1_5 - Filter: (a = 0) - -> Index Scan using iprt1_p1_a on prt1_p1 t1_2 - Index Cond: (a = ((t2_1.a + t2_1.b) / 2)) - Filter: (b = 0) - -> Nested Loop - Join Filter: (t1_3.a = t1_6.b) - -> HashAggregate - Group Key: t1_6.b - -> Hash Join - Hash Cond: (((t2_2.a + t2_2.b) / 2) = t1_6.b) - -> Seq Scan on prt1_e_p2 t2_2 - -> Hash - -> Seq Scan on prt2_p2 t1_6 - Filter: (a = 0) - -> Index Scan using iprt1_p2_a on prt1_p2 t1_3 - Index Cond: (a = ((t2_2.a + t2_2.b) / 2)) - Filter: (b = 0) - -> Nested Loop - Join Filter: (t1_4.a = t1_7.b) - -> HashAggregate - Group Key: t1_7.b - -> Nested Loop - -> Seq Scan on prt2_p3 t1_7 - Filter: (a = 0) - -> Index Scan using iprt1_e_p3_ab2 on prt1_e_p3 t2_3 - Index Cond: (((a + b) / 2) = t1_7.b) - -> Index Scan using iprt1_p3_a on prt1_p3 t1_4 - Index Cond: (a = ((t2_3.a + t2_3.b) / 2)) - Filter: (b = 0) -(41 rows) - -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1, prt1_e t2 WHERE t1.a = 0 AND t1.b = (t2.a + t2.b)/2) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 0 | 0 | 0000 - 150 | 0 | 0150 - 300 | 0 | 0300 - 450 | 0 | 0450 -(4 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1 WHERE t1.b IN (SELECT (t1.a + t1.b)/2 FROM prt1_e t1 WHERE t1.c = 0)) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ---------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Nested Loop - -> HashAggregate - Group Key: t1_6.b - -> Hash Semi Join - Hash Cond: (t1_6.b = ((t1_9.a + t1_9.b) / 2)) - -> Seq Scan on prt2_p1 t1_6 - -> Hash - -> Seq Scan on prt1_e_p1 t1_9 - Filter: (c = 0) - -> Index Scan using iprt1_p1_a on prt1_p1 t1_3 - Index Cond: (a = t1_6.b) - Filter: (b = 0) - -> Nested Loop - -> HashAggregate - Group Key: t1_7.b - -> Hash Semi Join - Hash Cond: (t1_7.b = ((t1_10.a + t1_10.b) / 2)) - -> Seq Scan on prt2_p2 t1_7 - -> Hash - -> Seq Scan on prt1_e_p2 t1_10 - Filter: (c = 0) - -> Index Scan using iprt1_p2_a on prt1_p2 t1_4 - Index Cond: (a = t1_7.b) - Filter: (b = 0) - -> Nested Loop - -> HashAggregate - Group Key: t1_8.b - -> Hash Semi Join - Hash Cond: (t1_8.b = ((t1_11.a + t1_11.b) / 2)) - -> Seq Scan on prt2_p3 t1_8 - -> Hash - -> Seq Scan on prt1_e_p3 t1_11 - Filter: (c = 0) - -> Index Scan using iprt1_p3_a on prt1_p3 t1_5 - Index Cond: (a = t1_8.b) - Filter: (b = 0) -(39 rows) - -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1 WHERE t1.b IN (SELECT (t1.a + t1.b)/2 FROM prt1_e t1 WHERE t1.c = 0)) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 0 | 0 | 0000 - 150 | 0 | 0150 - 300 | 0 | 0300 - 450 | 0 | 0450 -(4 rows) - --- test merge joins -SET enable_hashjoin TO off; -SET enable_nestloop TO off; -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1 WHERE t1.b IN (SELECT (t1.a + t1.b)/2 FROM prt1_e t1 WHERE t1.c = 0)) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------------------- - Merge Append - Sort Key: t1.a - -> Merge Semi Join - Merge Cond: (t1_3.a = t1_6.b) - -> Sort - Sort Key: t1_3.a - -> Seq Scan on prt1_p1 t1_3 - Filter: (b = 0) - -> Merge Semi Join - Merge Cond: (t1_6.b = (((t1_9.a + t1_9.b) / 2))) - -> Sort - Sort Key: t1_6.b - -> Seq Scan on prt2_p1 t1_6 - -> Sort - Sort Key: (((t1_9.a + t1_9.b) / 2)) - -> Seq Scan on prt1_e_p1 t1_9 - Filter: (c = 0) - -> Merge Semi Join - Merge Cond: (t1_4.a = t1_7.b) - -> Sort - Sort Key: t1_4.a - -> Seq Scan on prt1_p2 t1_4 - Filter: (b = 0) - -> Merge Semi Join - Merge Cond: (t1_7.b = (((t1_10.a + t1_10.b) / 2))) - -> Sort - Sort Key: t1_7.b - -> Seq Scan on prt2_p2 t1_7 - -> Sort - Sort Key: (((t1_10.a + t1_10.b) / 2)) - -> Seq Scan on prt1_e_p2 t1_10 - Filter: (c = 0) - -> Merge Semi Join - Merge Cond: (t1_5.a = t1_8.b) - -> Sort - Sort Key: t1_5.a - -> Seq Scan on prt1_p3 t1_5 - Filter: (b = 0) - -> Merge Semi Join - Merge Cond: (t1_8.b = (((t1_11.a + t1_11.b) / 2))) - -> Sort - Sort Key: t1_8.b - -> Seq Scan on prt2_p3 t1_8 - -> Sort - Sort Key: (((t1_11.a + t1_11.b) / 2)) - -> Seq Scan on prt1_e_p3 t1_11 - Filter: (c = 0) -(47 rows) - -SELECT t1.* FROM prt1 t1 WHERE t1.a IN (SELECT t1.b FROM prt2 t1 WHERE t1.b IN (SELECT (t1.a + t1.b)/2 FROM prt1_e t1 WHERE t1.c = 0)) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 0 | 0 | 0000 - 150 | 0 | 0150 - 300 | 0 | 0300 - 450 | 0 | 0450 -(4 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) RIGHT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t3.c = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - QUERY PLAN ----------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b, ((t3.a + t3.b)) - -> Append - -> Merge Left Join - Merge Cond: (t1_1.a = t2_1.b) - -> Sort - Sort Key: t1_1.a - -> Merge Left Join - Merge Cond: ((((t3_1.a + t3_1.b) / 2)) = t1_1.a) - -> Sort - Sort Key: (((t3_1.a + t3_1.b) / 2)) - -> Seq Scan on prt1_e_p1 t3_1 - Filter: (c = 0) - -> Sort - Sort Key: t1_1.a - -> Seq Scan on prt1_p1 t1_1 - -> Sort - Sort Key: t2_1.b - -> Seq Scan on prt2_p1 t2_1 - -> Merge Left Join - Merge Cond: (t1_2.a = t2_2.b) - -> Sort - Sort Key: t1_2.a - -> Merge Left Join - Merge Cond: ((((t3_2.a + t3_2.b) / 2)) = t1_2.a) - -> Sort - Sort Key: (((t3_2.a + t3_2.b) / 2)) - -> Seq Scan on prt1_e_p2 t3_2 - Filter: (c = 0) - -> Sort - Sort Key: t1_2.a - -> Seq Scan on prt1_p2 t1_2 - -> Sort - Sort Key: t2_2.b - -> Seq Scan on prt2_p2 t2_2 - -> Merge Left Join - Merge Cond: (t1_3.a = t2_3.b) - -> Sort - Sort Key: t1_3.a - -> Merge Left Join - Merge Cond: ((((t3_3.a + t3_3.b) / 2)) = t1_3.a) - -> Sort - Sort Key: (((t3_3.a + t3_3.b) / 2)) - -> Seq Scan on prt1_e_p3 t3_3 - Filter: (c = 0) - -> Sort - Sort Key: t1_3.a - -> Seq Scan on prt1_p3 t1_3 - -> Sort - Sort Key: t2_3.b - -> Seq Scan on prt2_p3 t2_3 -(51 rows) - -SELECT t1.a, t1.c, t2.b, t2.c, t3.a + t3.b, t3.c FROM (prt1 t1 LEFT JOIN prt2 t2 ON t1.a = t2.b) RIGHT JOIN prt1_e t3 ON (t1.a = (t3.a + t3.b)/2) WHERE t3.c = 0 ORDER BY t1.a, t2.b, t3.a + t3.b; - a | c | b | c | ?column? | c ------+------+-----+------+----------+--- - 0 | 0000 | 0 | 0000 | 0 | 0 - 50 | 0050 | | | 100 | 0 - 100 | 0100 | | | 200 | 0 - 150 | 0150 | 150 | 0150 | 300 | 0 - 200 | 0200 | | | 400 | 0 - 250 | 0250 | | | 500 | 0 - 300 | 0300 | 300 | 0300 | 600 | 0 - 350 | 0350 | | | 700 | 0 - 400 | 0400 | | | 800 | 0 - 450 | 0450 | 450 | 0450 | 900 | 0 - 500 | 0500 | | | 1000 | 0 - 550 | 0550 | | | 1100 | 0 -(12 rows) - --- MergeAppend on nullable column --- This should generate a partitionwise join, but currently fails to -EXPLAIN (COSTS OFF) -SELECT t1.a, t2.b FROM (SELECT * FROM prt1 WHERE a < 450) t1 LEFT JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------ - Incremental Sort - Sort Key: prt1.a, prt2.b - Presorted Key: prt1.a - -> Merge Left Join - Merge Cond: (prt1.a = prt2.b) - -> Sort - Sort Key: prt1.a - -> Append - -> Seq Scan on prt1_p1 prt1_1 - Filter: ((a < 450) AND (b = 0)) - -> Seq Scan on prt1_p2 prt1_2 - Filter: ((a < 450) AND (b = 0)) - -> Sort - Sort Key: prt2.b - -> Append - -> Seq Scan on prt2_p2 prt2_1 - Filter: (b > 250) - -> Seq Scan on prt2_p3 prt2_2 - Filter: (b > 250) -(19 rows) - -SELECT t1.a, t2.b FROM (SELECT * FROM prt1 WHERE a < 450) t1 LEFT JOIN (SELECT * FROM prt2 WHERE b > 250) t2 ON t1.a = t2.b WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | b ------+----- - 0 | - 50 | - 100 | - 150 | - 200 | - 250 | - 300 | 300 - 350 | - 400 | -(9 rows) - --- merge join when expression with whole-row reference needs to be sorted; --- partitionwise join does not apply -EXPLAIN (COSTS OFF) -SELECT t1.a, t2.b FROM prt1 t1, prt2 t2 WHERE t1::text = t2::text AND t1.a = t2.b ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------------------------------------------ - Merge Join - Merge Cond: ((t1.a = t2.b) AND (((((t1.*)::prt1))::text) = ((((t2.*)::prt2))::text))) - -> Sort - Sort Key: t1.a, ((((t1.*)::prt1))::text) - -> Result - -> Append - -> Seq Scan on prt1_p1 t1_1 - -> Seq Scan on prt1_p2 t1_2 - -> Seq Scan on prt1_p3 t1_3 - -> Sort - Sort Key: t2.b, ((((t2.*)::prt2))::text) - -> Result - -> Append - -> Seq Scan on prt2_p1 t2_1 - -> Seq Scan on prt2_p2 t2_2 - -> Seq Scan on prt2_p3 t2_3 -(16 rows) - -SELECT t1.a, t2.b FROM prt1 t1, prt2 t2 WHERE t1::text = t2::text AND t1.a = t2.b ORDER BY t1.a; - a | b -----+---- - 0 | 0 - 6 | 6 - 12 | 12 - 18 | 18 - 24 | 24 -(5 rows) - -RESET enable_hashjoin; -RESET enable_nestloop; --- --- partitioned by multiple columns --- -CREATE TABLE prt1_m (a int, b int, c int) PARTITION BY RANGE(a, ((a + b)/2)); -CREATE TABLE prt1_m_p1 PARTITION OF prt1_m FOR VALUES FROM (0, 0) TO (250, 250); -CREATE TABLE prt1_m_p2 PARTITION OF prt1_m FOR VALUES FROM (250, 250) TO (500, 500); -CREATE TABLE prt1_m_p3 PARTITION OF prt1_m FOR VALUES FROM (500, 500) TO (600, 600); -INSERT INTO prt1_m SELECT i, i, i % 25 FROM generate_series(0, 599, 2) i; -ANALYZE prt1_m; -CREATE TABLE prt2_m (a int, b int, c int) PARTITION BY RANGE(((b + a)/2), b); -CREATE TABLE prt2_m_p1 PARTITION OF prt2_m FOR VALUES FROM (0, 0) TO (250, 250); -CREATE TABLE prt2_m_p2 PARTITION OF prt2_m FOR VALUES FROM (250, 250) TO (500, 500); -CREATE TABLE prt2_m_p3 PARTITION OF prt2_m FOR VALUES FROM (500, 500) TO (600, 600); -INSERT INTO prt2_m SELECT i, i, i % 25 FROM generate_series(0, 599, 3) i; -ANALYZE prt2_m; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1_m WHERE prt1_m.c = 0) t1 FULL JOIN (SELECT * FROM prt2_m WHERE prt2_m.c = 0) t2 ON (t1.a = (t2.b + t2.a)/2 AND t2.b = (t1.a + t1.b)/2) ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------- - Sort - Sort Key: prt1_m.a, prt2_m.b - -> Append - -> Hash Full Join - Hash Cond: ((prt1_m_1.a = ((prt2_m_1.b + prt2_m_1.a) / 2)) AND (((prt1_m_1.a + prt1_m_1.b) / 2) = prt2_m_1.b)) - -> Seq Scan on prt1_m_p1 prt1_m_1 - Filter: (c = 0) - -> Hash - -> Seq Scan on prt2_m_p1 prt2_m_1 - Filter: (c = 0) - -> Hash Full Join - Hash Cond: ((prt1_m_2.a = ((prt2_m_2.b + prt2_m_2.a) / 2)) AND (((prt1_m_2.a + prt1_m_2.b) / 2) = prt2_m_2.b)) - -> Seq Scan on prt1_m_p2 prt1_m_2 - Filter: (c = 0) - -> Hash - -> Seq Scan on prt2_m_p2 prt2_m_2 - Filter: (c = 0) - -> Hash Full Join - Hash Cond: ((prt1_m_3.a = ((prt2_m_3.b + prt2_m_3.a) / 2)) AND (((prt1_m_3.a + prt1_m_3.b) / 2) = prt2_m_3.b)) - -> Seq Scan on prt1_m_p3 prt1_m_3 - Filter: (c = 0) - -> Hash - -> Seq Scan on prt2_m_p3 prt2_m_3 - Filter: (c = 0) -(24 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1_m WHERE prt1_m.c = 0) t1 FULL JOIN (SELECT * FROM prt2_m WHERE prt2_m.c = 0) t2 ON (t1.a = (t2.b + t2.a)/2 AND t2.b = (t1.a + t1.b)/2) ORDER BY t1.a, t2.b; - a | c | b | c ------+---+-----+--- - 0 | 0 | 0 | 0 - 50 | 0 | | - 100 | 0 | | - 150 | 0 | 150 | 0 - 200 | 0 | | - 250 | 0 | | - 300 | 0 | 300 | 0 - 350 | 0 | | - 400 | 0 | | - 450 | 0 | 450 | 0 - 500 | 0 | | - 550 | 0 | | - | | 75 | 0 - | | 225 | 0 - | | 375 | 0 - | | 525 | 0 -(16 rows) - --- --- tests for list partitioned tables. --- -CREATE TABLE plt1 (a int, b int, c text) PARTITION BY LIST(c); -CREATE TABLE plt1_p1 PARTITION OF plt1 FOR VALUES IN ('0000', '0003', '0004', '0010'); -CREATE TABLE plt1_p2 PARTITION OF plt1 FOR VALUES IN ('0001', '0005', '0002', '0009'); -CREATE TABLE plt1_p3 PARTITION OF plt1 FOR VALUES IN ('0006', '0007', '0008', '0011'); -INSERT INTO plt1 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE plt1; -CREATE TABLE plt2 (a int, b int, c text) PARTITION BY LIST(c); -CREATE TABLE plt2_p1 PARTITION OF plt2 FOR VALUES IN ('0000', '0003', '0004', '0010'); -CREATE TABLE plt2_p2 PARTITION OF plt2 FOR VALUES IN ('0001', '0005', '0002', '0009'); -CREATE TABLE plt2_p3 PARTITION OF plt2 FOR VALUES IN ('0006', '0007', '0008', '0011'); -INSERT INTO plt2 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 3) i; -ANALYZE plt2; --- --- list partitioned by expression --- -CREATE TABLE plt1_e (a int, b int, c text) PARTITION BY LIST(ltrim(c, 'A')); -CREATE TABLE plt1_e_p1 PARTITION OF plt1_e FOR VALUES IN ('0000', '0003', '0004', '0010'); -CREATE TABLE plt1_e_p2 PARTITION OF plt1_e FOR VALUES IN ('0001', '0005', '0002', '0009'); -CREATE TABLE plt1_e_p3 PARTITION OF plt1_e FOR VALUES IN ('0006', '0007', '0008', '0011'); -INSERT INTO plt1_e SELECT i, i, 'A' || to_char(i/50, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE plt1_e; --- test partition matching with N-way join -EXPLAIN (COSTS OFF) -SELECT avg(t1.a), avg(t2.b), avg(t3.a + t3.b), t1.c, t2.c, t3.c FROM plt1 t1, plt2 t2, plt1_e t3 WHERE t1.b = t2.b AND t1.c = t2.c AND ltrim(t3.c, 'A') = t1.c GROUP BY t1.c, t2.c, t3.c ORDER BY t1.c, t2.c, t3.c; - QUERY PLAN --------------------------------------------------------------------------------- - GroupAggregate - Group Key: t1.c, t3.c - -> Sort - Sort Key: t1.c, t3.c - -> Append - -> Hash Join - Hash Cond: (t1_1.c = ltrim(t3_1.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_1.b = t2_1.b) AND (t1_1.c = t2_1.c)) - -> Seq Scan on plt1_p1 t1_1 - -> Hash - -> Seq Scan on plt2_p1 t2_1 - -> Hash - -> Seq Scan on plt1_e_p1 t3_1 - -> Hash Join - Hash Cond: (t1_2.c = ltrim(t3_2.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_2.b = t2_2.b) AND (t1_2.c = t2_2.c)) - -> Seq Scan on plt1_p2 t1_2 - -> Hash - -> Seq Scan on plt2_p2 t2_2 - -> Hash - -> Seq Scan on plt1_e_p2 t3_2 - -> Hash Join - Hash Cond: (t1_3.c = ltrim(t3_3.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_3.b = t2_3.b) AND (t1_3.c = t2_3.c)) - -> Seq Scan on plt1_p3 t1_3 - -> Hash - -> Seq Scan on plt2_p3 t2_3 - -> Hash - -> Seq Scan on plt1_e_p3 t3_3 -(32 rows) - -SELECT avg(t1.a), avg(t2.b), avg(t3.a + t3.b), t1.c, t2.c, t3.c FROM plt1 t1, plt2 t2, plt1_e t3 WHERE t1.b = t2.b AND t1.c = t2.c AND ltrim(t3.c, 'A') = t1.c GROUP BY t1.c, t2.c, t3.c ORDER BY t1.c, t2.c, t3.c; - avg | avg | avg | c | c | c -----------------------+----------------------+-----------------------+------+------+------- - 24.0000000000000000 | 24.0000000000000000 | 48.0000000000000000 | 0000 | 0000 | A0000 - 75.0000000000000000 | 75.0000000000000000 | 148.0000000000000000 | 0001 | 0001 | A0001 - 123.0000000000000000 | 123.0000000000000000 | 248.0000000000000000 | 0002 | 0002 | A0002 - 174.0000000000000000 | 174.0000000000000000 | 348.0000000000000000 | 0003 | 0003 | A0003 - 225.0000000000000000 | 225.0000000000000000 | 448.0000000000000000 | 0004 | 0004 | A0004 - 273.0000000000000000 | 273.0000000000000000 | 548.0000000000000000 | 0005 | 0005 | A0005 - 324.0000000000000000 | 324.0000000000000000 | 648.0000000000000000 | 0006 | 0006 | A0006 - 375.0000000000000000 | 375.0000000000000000 | 748.0000000000000000 | 0007 | 0007 | A0007 - 423.0000000000000000 | 423.0000000000000000 | 848.0000000000000000 | 0008 | 0008 | A0008 - 474.0000000000000000 | 474.0000000000000000 | 948.0000000000000000 | 0009 | 0009 | A0009 - 525.0000000000000000 | 525.0000000000000000 | 1048.0000000000000000 | 0010 | 0010 | A0010 - 573.0000000000000000 | 573.0000000000000000 | 1148.0000000000000000 | 0011 | 0011 | A0011 -(12 rows) - --- joins where one of the relations is proven empty -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.a = 1 AND t1.a = 2; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a = 1 AND a = 2) t1 LEFT JOIN prt2 t2 ON t1.a = t2.b; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a = 1 AND a = 2) t1 RIGHT JOIN prt2 t2 ON t1.a = t2.b, prt1 t3 WHERE t2.b = t3.a; - QUERY PLAN --------------------------------------------------- - Hash Left Join - Hash Cond: (t2.b = a) - -> Append - -> Hash Join - Hash Cond: (t3_1.a = t2_1.b) - -> Seq Scan on prt1_p1 t3_1 - -> Hash - -> Seq Scan on prt2_p1 t2_1 - -> Hash Join - Hash Cond: (t3_2.a = t2_2.b) - -> Seq Scan on prt1_p2 t3_2 - -> Hash - -> Seq Scan on prt2_p2 t2_2 - -> Hash Join - Hash Cond: (t3_3.a = t2_3.b) - -> Seq Scan on prt1_p3 t3_3 - -> Hash - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Result - One-Time Filter: false -(21 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1 WHERE a = 1 AND a = 2) t1 FULL JOIN prt2 t2 ON t1.a = t2.b WHERE t2.a = 0 ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------- - Sort - Sort Key: a, t2.b - -> Hash Left Join - Hash Cond: (t2.b = a) - -> Append - -> Seq Scan on prt2_p1 t2_1 - Filter: (a = 0) - -> Seq Scan on prt2_p2 t2_2 - Filter: (a = 0) - -> Seq Scan on prt2_p3 t2_3 - Filter: (a = 0) - -> Hash - -> Result - One-Time Filter: false -(14 rows) - --- --- tests for hash partitioned tables. --- -CREATE TABLE pht1 (a int, b int, c text) PARTITION BY HASH(c); -CREATE TABLE pht1_p1 PARTITION OF pht1 FOR VALUES WITH (MODULUS 3, REMAINDER 0); -CREATE TABLE pht1_p2 PARTITION OF pht1 FOR VALUES WITH (MODULUS 3, REMAINDER 1); -CREATE TABLE pht1_p3 PARTITION OF pht1 FOR VALUES WITH (MODULUS 3, REMAINDER 2); -INSERT INTO pht1 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE pht1; -CREATE TABLE pht2 (a int, b int, c text) PARTITION BY HASH(c); -CREATE TABLE pht2_p1 PARTITION OF pht2 FOR VALUES WITH (MODULUS 3, REMAINDER 0); -CREATE TABLE pht2_p2 PARTITION OF pht2 FOR VALUES WITH (MODULUS 3, REMAINDER 1); -CREATE TABLE pht2_p3 PARTITION OF pht2 FOR VALUES WITH (MODULUS 3, REMAINDER 2); -INSERT INTO pht2 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 3) i; -ANALYZE pht2; --- --- hash partitioned by expression --- -CREATE TABLE pht1_e (a int, b int, c text) PARTITION BY HASH(ltrim(c, 'A')); -CREATE TABLE pht1_e_p1 PARTITION OF pht1_e FOR VALUES WITH (MODULUS 3, REMAINDER 0); -CREATE TABLE pht1_e_p2 PARTITION OF pht1_e FOR VALUES WITH (MODULUS 3, REMAINDER 1); -CREATE TABLE pht1_e_p3 PARTITION OF pht1_e FOR VALUES WITH (MODULUS 3, REMAINDER 2); -INSERT INTO pht1_e SELECT i, i, 'A' || to_char(i/50, 'FM0000') FROM generate_series(0, 299, 2) i; -ANALYZE pht1_e; --- test partition matching with N-way join -EXPLAIN (COSTS OFF) -SELECT avg(t1.a), avg(t2.b), avg(t3.a + t3.b), t1.c, t2.c, t3.c FROM pht1 t1, pht2 t2, pht1_e t3 WHERE t1.b = t2.b AND t1.c = t2.c AND ltrim(t3.c, 'A') = t1.c GROUP BY t1.c, t2.c, t3.c ORDER BY t1.c, t2.c, t3.c; - QUERY PLAN --------------------------------------------------------------------------------- - GroupAggregate - Group Key: t1.c, t3.c - -> Sort - Sort Key: t1.c, t3.c - -> Append - -> Hash Join - Hash Cond: (t1_1.c = ltrim(t3_1.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_1.b = t2_1.b) AND (t1_1.c = t2_1.c)) - -> Seq Scan on pht1_p1 t1_1 - -> Hash - -> Seq Scan on pht2_p1 t2_1 - -> Hash - -> Seq Scan on pht1_e_p1 t3_1 - -> Hash Join - Hash Cond: (t1_2.c = ltrim(t3_2.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_2.b = t2_2.b) AND (t1_2.c = t2_2.c)) - -> Seq Scan on pht1_p2 t1_2 - -> Hash - -> Seq Scan on pht2_p2 t2_2 - -> Hash - -> Seq Scan on pht1_e_p2 t3_2 - -> Hash Join - Hash Cond: (t1_3.c = ltrim(t3_3.c, 'A'::text)) - -> Hash Join - Hash Cond: ((t1_3.b = t2_3.b) AND (t1_3.c = t2_3.c)) - -> Seq Scan on pht1_p3 t1_3 - -> Hash - -> Seq Scan on pht2_p3 t2_3 - -> Hash - -> Seq Scan on pht1_e_p3 t3_3 -(32 rows) - -SELECT avg(t1.a), avg(t2.b), avg(t3.a + t3.b), t1.c, t2.c, t3.c FROM pht1 t1, pht2 t2, pht1_e t3 WHERE t1.b = t2.b AND t1.c = t2.c AND ltrim(t3.c, 'A') = t1.c GROUP BY t1.c, t2.c, t3.c ORDER BY t1.c, t2.c, t3.c; - avg | avg | avg | c | c | c -----------------------+----------------------+----------------------+------+------+------- - 24.0000000000000000 | 24.0000000000000000 | 48.0000000000000000 | 0000 | 0000 | A0000 - 75.0000000000000000 | 75.0000000000000000 | 148.0000000000000000 | 0001 | 0001 | A0001 - 123.0000000000000000 | 123.0000000000000000 | 248.0000000000000000 | 0002 | 0002 | A0002 - 174.0000000000000000 | 174.0000000000000000 | 348.0000000000000000 | 0003 | 0003 | A0003 - 225.0000000000000000 | 225.0000000000000000 | 448.0000000000000000 | 0004 | 0004 | A0004 - 273.0000000000000000 | 273.0000000000000000 | 548.0000000000000000 | 0005 | 0005 | A0005 -(6 rows) - --- test default partition behavior for range -ALTER TABLE prt1 DETACH PARTITION prt1_p3; -ALTER TABLE prt1 ATTACH PARTITION prt1_p3 DEFAULT; -ANALYZE prt1; -ALTER TABLE prt2 DETACH PARTITION prt2_p3; -ALTER TABLE prt2 ATTACH PARTITION prt2_p3 DEFAULT; -ANALYZE prt2; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt2 t2 WHERE t1.a = t2.b AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_p1 t2_1 - -> Hash - -> Seq Scan on prt1_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_p2 t2_2 - -> Hash - -> Seq Scan on prt1_p2 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_p3 t2_3 - -> Hash - -> Seq Scan on prt1_p3 t1_3 - Filter: (b = 0) -(21 rows) - --- test default partition behavior for list -ALTER TABLE plt1 DETACH PARTITION plt1_p3; -ALTER TABLE plt1 ATTACH PARTITION plt1_p3 DEFAULT; -ANALYZE plt1; -ALTER TABLE plt2 DETACH PARTITION plt2_p3; -ALTER TABLE plt2 ATTACH PARTITION plt2_p3 DEFAULT; -ANALYZE plt2; -EXPLAIN (COSTS OFF) -SELECT avg(t1.a), avg(t2.b), t1.c, t2.c FROM plt1 t1 RIGHT JOIN plt2 t2 ON t1.c = t2.c WHERE t1.a % 25 = 0 GROUP BY t1.c, t2.c ORDER BY t1.c, t2.c; - QUERY PLAN --------------------------------------------------------- - Sort - Sort Key: t1.c - -> HashAggregate - Group Key: t1.c - -> Append - -> Hash Join - Hash Cond: (t2_1.c = t1_1.c) - -> Seq Scan on plt2_p1 t2_1 - -> Hash - -> Seq Scan on plt1_p1 t1_1 - Filter: ((a % 25) = 0) - -> Hash Join - Hash Cond: (t2_2.c = t1_2.c) - -> Seq Scan on plt2_p2 t2_2 - -> Hash - -> Seq Scan on plt1_p2 t1_2 - Filter: ((a % 25) = 0) - -> Hash Join - Hash Cond: (t2_3.c = t1_3.c) - -> Seq Scan on plt2_p3 t2_3 - -> Hash - -> Seq Scan on plt1_p3 t1_3 - Filter: ((a % 25) = 0) -(23 rows) - --- --- multiple levels of partitioning --- -CREATE TABLE prt1_l (a int, b int, c varchar) PARTITION BY RANGE(a); -CREATE TABLE prt1_l_p1 PARTITION OF prt1_l FOR VALUES FROM (0) TO (250); -CREATE TABLE prt1_l_p2 PARTITION OF prt1_l FOR VALUES FROM (250) TO (500) PARTITION BY LIST (c); -CREATE TABLE prt1_l_p2_p1 PARTITION OF prt1_l_p2 FOR VALUES IN ('0000', '0001'); -CREATE TABLE prt1_l_p2_p2 PARTITION OF prt1_l_p2 FOR VALUES IN ('0002', '0003'); -CREATE TABLE prt1_l_p3 PARTITION OF prt1_l FOR VALUES FROM (500) TO (600) PARTITION BY RANGE (b); -CREATE TABLE prt1_l_p3_p1 PARTITION OF prt1_l_p3 FOR VALUES FROM (0) TO (13); -CREATE TABLE prt1_l_p3_p2 PARTITION OF prt1_l_p3 FOR VALUES FROM (13) TO (25); -INSERT INTO prt1_l SELECT i, i % 25, to_char(i % 4, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE prt1_l; -CREATE TABLE prt2_l (a int, b int, c varchar) PARTITION BY RANGE(b); -CREATE TABLE prt2_l_p1 PARTITION OF prt2_l FOR VALUES FROM (0) TO (250); -CREATE TABLE prt2_l_p2 PARTITION OF prt2_l FOR VALUES FROM (250) TO (500) PARTITION BY LIST (c); -CREATE TABLE prt2_l_p2_p1 PARTITION OF prt2_l_p2 FOR VALUES IN ('0000', '0001'); -CREATE TABLE prt2_l_p2_p2 PARTITION OF prt2_l_p2 FOR VALUES IN ('0002', '0003'); -CREATE TABLE prt2_l_p3 PARTITION OF prt2_l FOR VALUES FROM (500) TO (600) PARTITION BY RANGE (a); -CREATE TABLE prt2_l_p3_p1 PARTITION OF prt2_l_p3 FOR VALUES FROM (0) TO (13); -CREATE TABLE prt2_l_p3_p2 PARTITION OF prt2_l_p3 FOR VALUES FROM (13) TO (25); -INSERT INTO prt2_l SELECT i % 25, i, to_char(i % 4, 'FM0000') FROM generate_series(0, 599, 3) i; -ANALYZE prt2_l; --- inner join, qual covering only top-level partitions -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1, prt2_l t2 WHERE t1.a = t2.b AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN -------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_l_p1 t2_1 - -> Hash - -> Seq Scan on prt1_l_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Append - -> Seq Scan on prt2_l_p2_p1 t2_3 - -> Seq Scan on prt2_l_p2_p2 t2_4 - -> Hash - -> Append - -> Seq Scan on prt1_l_p2_p1 t1_3 - Filter: (b = 0) - -> Seq Scan on prt1_l_p2_p2 t1_4 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_6.b = t1_5.a) - -> Append - -> Seq Scan on prt2_l_p3_p1 t2_6 - -> Seq Scan on prt2_l_p3_p2 t2_7 - -> Hash - -> Seq Scan on prt1_l_p3_p1 t1_5 - Filter: (b = 0) -(28 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1, prt2_l t2 WHERE t1.a = t2.b AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 150 | 0002 | 150 | 0002 - 300 | 0000 | 300 | 0000 - 450 | 0002 | 450 | 0002 -(4 rows) - --- inner join with partially-redundant join clauses -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1, prt2_l t2 WHERE t1.a = t2.a AND t1.a = t2.b AND t1.c = t2.c ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t1_1.a = t2_1.a) AND ((t1_1.c)::text = (t2_1.c)::text)) - -> Seq Scan on prt1_l_p1 t1_1 - -> Hash - -> Seq Scan on prt2_l_p1 t2_1 - Filter: (a = b) - -> Hash Join - Hash Cond: ((t1_2.a = t2_2.a) AND ((t1_2.c)::text = (t2_2.c)::text)) - -> Seq Scan on prt1_l_p2_p1 t1_2 - -> Hash - -> Seq Scan on prt2_l_p2_p1 t2_2 - Filter: (a = b) - -> Hash Join - Hash Cond: ((t1_3.a = t2_3.a) AND ((t1_3.c)::text = (t2_3.c)::text)) - -> Seq Scan on prt1_l_p2_p2 t1_3 - -> Hash - -> Seq Scan on prt2_l_p2_p2 t2_3 - Filter: (a = b) - -> Hash Join - Hash Cond: ((t1_5.a = t2_5.a) AND ((t1_5.c)::text = (t2_5.c)::text)) - -> Append - -> Seq Scan on prt1_l_p3_p1 t1_5 - -> Seq Scan on prt1_l_p3_p2 t1_6 - -> Hash - -> Append - -> Seq Scan on prt2_l_p3_p1 t2_5 - Filter: (a = b) - -> Seq Scan on prt2_l_p3_p2 t2_6 - Filter: (a = b) -(32 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1, prt2_l t2 WHERE t1.a = t2.a AND t1.a = t2.b AND t1.c = t2.c ORDER BY t1.a, t2.b; - a | c | b | c -----+------+----+------ - 0 | 0000 | 0 | 0000 - 6 | 0002 | 6 | 0002 - 12 | 0000 | 12 | 0000 - 18 | 0002 | 18 | 0002 - 24 | 0000 | 24 | 0000 -(5 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1 LEFT JOIN prt2_l t2 ON t1.a = t2.b AND t1.c = t2.c WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Right Join - Hash Cond: ((t2_1.b = t1_1.a) AND ((t2_1.c)::text = (t1_1.c)::text)) - -> Seq Scan on prt2_l_p1 t2_1 - -> Hash - -> Seq Scan on prt1_l_p1 t1_1 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: ((t2_2.b = t1_2.a) AND ((t2_2.c)::text = (t1_2.c)::text)) - -> Seq Scan on prt2_l_p2_p1 t2_2 - -> Hash - -> Seq Scan on prt1_l_p2_p1 t1_2 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: ((t2_3.b = t1_3.a) AND ((t2_3.c)::text = (t1_3.c)::text)) - -> Seq Scan on prt2_l_p2_p2 t2_3 - -> Hash - -> Seq Scan on prt1_l_p2_p2 t1_3 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: ((t2_5.b = t1_4.a) AND ((t2_5.c)::text = (t1_4.c)::text)) - -> Append - -> Seq Scan on prt2_l_p3_p1 t2_5 - -> Seq Scan on prt2_l_p3_p2 t2_6 - -> Hash - -> Seq Scan on prt1_l_p3_p1 t1_4 - Filter: (b = 0) -(29 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1 LEFT JOIN prt2_l t2 ON t1.a = t2.b AND t1.c = t2.c WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 50 | 0002 | | - 100 | 0000 | | - 150 | 0002 | 150 | 0002 - 200 | 0000 | | - 250 | 0002 | | - 300 | 0000 | 300 | 0000 - 350 | 0002 | | - 400 | 0000 | | - 450 | 0002 | 450 | 0002 - 500 | 0000 | | - 550 | 0002 | | -(12 rows) - --- right join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1 RIGHT JOIN prt2_l t2 ON t1.a = t2.b AND t1.c = t2.c WHERE t2.a = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Right Join - Hash Cond: ((t1_1.a = t2_1.b) AND ((t1_1.c)::text = (t2_1.c)::text)) - -> Seq Scan on prt1_l_p1 t1_1 - -> Hash - -> Seq Scan on prt2_l_p1 t2_1 - Filter: (a = 0) - -> Hash Right Join - Hash Cond: ((t1_2.a = t2_2.b) AND ((t1_2.c)::text = (t2_2.c)::text)) - -> Seq Scan on prt1_l_p2_p1 t1_2 - -> Hash - -> Seq Scan on prt2_l_p2_p1 t2_2 - Filter: (a = 0) - -> Hash Right Join - Hash Cond: ((t1_3.a = t2_3.b) AND ((t1_3.c)::text = (t2_3.c)::text)) - -> Seq Scan on prt1_l_p2_p2 t1_3 - -> Hash - -> Seq Scan on prt2_l_p2_p2 t2_3 - Filter: (a = 0) - -> Hash Right Join - Hash Cond: ((t1_5.a = t2_4.b) AND ((t1_5.c)::text = (t2_4.c)::text)) - -> Append - -> Seq Scan on prt1_l_p3_p1 t1_5 - -> Seq Scan on prt1_l_p3_p2 t1_6 - -> Hash - -> Seq Scan on prt2_l_p3_p1 t2_4 - Filter: (a = 0) -(29 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_l t1 RIGHT JOIN prt2_l t2 ON t1.a = t2.b AND t1.c = t2.c WHERE t2.a = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 150 | 0002 | 150 | 0002 - 300 | 0000 | 300 | 0000 - 450 | 0002 | 450 | 0002 - | | 75 | 0003 - | | 225 | 0001 - | | 375 | 0003 - | | 525 | 0001 -(8 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1_l WHERE prt1_l.b = 0) t1 FULL JOIN (SELECT * FROM prt2_l WHERE prt2_l.a = 0) t2 ON (t1.a = t2.b AND t1.c = t2.c) ORDER BY t1.a, t2.b; - QUERY PLAN ----------------------------------------------------------------------------------------------------- - Sort - Sort Key: prt1_l.a, prt2_l.b - -> Append - -> Hash Full Join - Hash Cond: ((prt1_l_1.a = prt2_l_1.b) AND ((prt1_l_1.c)::text = (prt2_l_1.c)::text)) - -> Seq Scan on prt1_l_p1 prt1_l_1 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_l_p1 prt2_l_1 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: ((prt1_l_2.a = prt2_l_2.b) AND ((prt1_l_2.c)::text = (prt2_l_2.c)::text)) - -> Seq Scan on prt1_l_p2_p1 prt1_l_2 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_l_p2_p1 prt2_l_2 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: ((prt1_l_3.a = prt2_l_3.b) AND ((prt1_l_3.c)::text = (prt2_l_3.c)::text)) - -> Seq Scan on prt1_l_p2_p2 prt1_l_3 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_l_p2_p2 prt2_l_3 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: ((prt1_l_4.a = prt2_l_4.b) AND ((prt1_l_4.c)::text = (prt2_l_4.c)::text)) - -> Seq Scan on prt1_l_p3_p1 prt1_l_4 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_l_p3_p1 prt2_l_4 - Filter: (a = 0) -(31 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1_l WHERE prt1_l.b = 0) t1 FULL JOIN (SELECT * FROM prt2_l WHERE prt2_l.a = 0) t2 ON (t1.a = t2.b AND t1.c = t2.c) ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 0 | 0000 | 0 | 0000 - 50 | 0002 | | - 100 | 0000 | | - 150 | 0002 | 150 | 0002 - 200 | 0000 | | - 250 | 0002 | | - 300 | 0000 | 300 | 0000 - 350 | 0002 | | - 400 | 0000 | | - 450 | 0002 | 450 | 0002 - 500 | 0000 | | - 550 | 0002 | | - | | 75 | 0003 - | | 225 | 0001 - | | 375 | 0003 - | | 525 | 0001 -(16 rows) - --- lateral partitionwise join -EXPLAIN (COSTS OFF) -SELECT * FROM prt1_l t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t2.c AS t2c, t2.b AS t2b, t3.b AS t3b, least(t1.a,t2.a,t3.b) FROM prt1_l t2 JOIN prt2_l t3 ON (t2.a = t3.b AND t2.c = t3.c)) ss - ON t1.a = ss.t2a AND t1.c = ss.t2c WHERE t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a - -> Append - -> Nested Loop Left Join - -> Seq Scan on prt1_l_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: ((t3_1.b = t2_1.a) AND ((t3_1.c)::text = (t2_1.c)::text)) - -> Seq Scan on prt2_l_p1 t3_1 - -> Hash - -> Seq Scan on prt1_l_p1 t2_1 - Filter: ((t1_1.a = a) AND ((t1_1.c)::text = (c)::text)) - -> Nested Loop Left Join - -> Seq Scan on prt1_l_p2_p1 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: ((t3_2.b = t2_2.a) AND ((t3_2.c)::text = (t2_2.c)::text)) - -> Seq Scan on prt2_l_p2_p1 t3_2 - -> Hash - -> Seq Scan on prt1_l_p2_p1 t2_2 - Filter: ((t1_2.a = a) AND ((t1_2.c)::text = (c)::text)) - -> Nested Loop Left Join - -> Seq Scan on prt1_l_p2_p2 t1_3 - Filter: (b = 0) - -> Hash Join - Hash Cond: ((t3_3.b = t2_3.a) AND ((t3_3.c)::text = (t2_3.c)::text)) - -> Seq Scan on prt2_l_p2_p2 t3_3 - -> Hash - -> Seq Scan on prt1_l_p2_p2 t2_3 - Filter: ((t1_3.a = a) AND ((t1_3.c)::text = (c)::text)) - -> Nested Loop Left Join - -> Seq Scan on prt1_l_p3_p1 t1_4 - Filter: (b = 0) - -> Hash Join - Hash Cond: ((t3_5.b = t2_5.a) AND ((t3_5.c)::text = (t2_5.c)::text)) - -> Append - -> Seq Scan on prt2_l_p3_p1 t3_5 - -> Seq Scan on prt2_l_p3_p2 t3_6 - -> Hash - -> Append - -> Seq Scan on prt1_l_p3_p1 t2_5 - Filter: ((t1_4.a = a) AND ((t1_4.c)::text = (c)::text)) - -> Seq Scan on prt1_l_p3_p2 t2_6 - Filter: ((t1_4.a = a) AND ((t1_4.c)::text = (c)::text)) -(44 rows) - -SELECT * FROM prt1_l t1 LEFT JOIN LATERAL - (SELECT t2.a AS t2a, t2.c AS t2c, t2.b AS t2b, t3.b AS t3b, least(t1.a,t2.a,t3.b) FROM prt1_l t2 JOIN prt2_l t3 ON (t2.a = t3.b AND t2.c = t3.c)) ss - ON t1.a = ss.t2a AND t1.c = ss.t2c WHERE t1.b = 0 ORDER BY t1.a; - a | b | c | t2a | t2c | t2b | t3b | least ------+---+------+-----+------+-----+-----+------- - 0 | 0 | 0000 | 0 | 0000 | 0 | 0 | 0 - 50 | 0 | 0002 | | | | | - 100 | 0 | 0000 | | | | | - 150 | 0 | 0002 | 150 | 0002 | 0 | 150 | 150 - 200 | 0 | 0000 | | | | | - 250 | 0 | 0002 | | | | | - 300 | 0 | 0000 | 300 | 0000 | 0 | 300 | 300 - 350 | 0 | 0002 | | | | | - 400 | 0 | 0000 | | | | | - 450 | 0 | 0002 | 450 | 0002 | 0 | 450 | 450 - 500 | 0 | 0000 | | | | | - 550 | 0 | 0002 | | | | | -(12 rows) - --- partitionwise join with lateral reference in sample scan -EXPLAIN (COSTS OFF) -SELECT * FROM prt1_l t1 JOIN LATERAL - (SELECT * FROM prt1_l t2 TABLESAMPLE SYSTEM (t1.a) REPEATABLE(t1.b)) s - ON t1.a = s.a AND t1.b = s.b AND t1.c = s.c; - QUERY PLAN ----------------------------------------------------------------------------------------- - Append - -> Nested Loop - -> Seq Scan on prt1_l_p1 t1_1 - -> Sample Scan on prt1_l_p1 t2_1 - Sampling: system (t1_1.a) REPEATABLE (t1_1.b) - Filter: ((t1_1.a = a) AND (t1_1.b = b) AND ((t1_1.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p2_p1 t1_2 - -> Sample Scan on prt1_l_p2_p1 t2_2 - Sampling: system (t1_2.a) REPEATABLE (t1_2.b) - Filter: ((t1_2.a = a) AND (t1_2.b = b) AND ((t1_2.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p2_p2 t1_3 - -> Sample Scan on prt1_l_p2_p2 t2_3 - Sampling: system (t1_3.a) REPEATABLE (t1_3.b) - Filter: ((t1_3.a = a) AND (t1_3.b = b) AND ((t1_3.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p3_p1 t1_4 - -> Sample Scan on prt1_l_p3_p1 t2_4 - Sampling: system (t1_4.a) REPEATABLE (t1_4.b) - Filter: ((t1_4.a = a) AND (t1_4.b = b) AND ((t1_4.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p3_p2 t1_5 - -> Sample Scan on prt1_l_p3_p2 t2_5 - Sampling: system (t1_5.a) REPEATABLE (t1_5.b) - Filter: ((t1_5.a = a) AND (t1_5.b = b) AND ((t1_5.c)::text = (c)::text)) -(26 rows) - --- partitionwise join with lateral reference in scan's restriction clauses -EXPLAIN (COSTS OFF) -SELECT COUNT(*) FROM prt1_l t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2_l t2) s - ON t1.a = s.b AND t1.b = s.a AND t1.c = s.c - WHERE s.t1b = s.a; - QUERY PLAN ---------------------------------------------------------------------------------------------------------------- - Aggregate - -> Append - -> Nested Loop - -> Seq Scan on prt1_l_p1 t1_1 - -> Seq Scan on prt2_l_p1 t2_1 - Filter: ((a = t1_1.b) AND (t1_1.a = b) AND (t1_1.b = a) AND ((t1_1.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p2_p1 t1_2 - -> Seq Scan on prt2_l_p2_p1 t2_2 - Filter: ((a = t1_2.b) AND (t1_2.a = b) AND (t1_2.b = a) AND ((t1_2.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p2_p2 t1_3 - -> Seq Scan on prt2_l_p2_p2 t2_3 - Filter: ((a = t1_3.b) AND (t1_3.a = b) AND (t1_3.b = a) AND ((t1_3.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p3_p1 t1_4 - -> Seq Scan on prt2_l_p3_p1 t2_4 - Filter: ((a = t1_4.b) AND (t1_4.a = b) AND (t1_4.b = a) AND ((t1_4.c)::text = (c)::text)) - -> Nested Loop - -> Seq Scan on prt1_l_p3_p2 t1_5 - -> Seq Scan on prt2_l_p3_p2 t2_5 - Filter: ((a = t1_5.b) AND (t1_5.a = b) AND (t1_5.b = a) AND ((t1_5.c)::text = (c)::text)) -(22 rows) - -SELECT COUNT(*) FROM prt1_l t1 LEFT JOIN LATERAL - (SELECT t1.b AS t1b, t2.* FROM prt2_l t2) s - ON t1.a = s.b AND t1.b = s.a AND t1.c = s.c - WHERE s.t1b = s.a; - count -------- - 100 -(1 row) - --- join with one side empty -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT * FROM prt1_l WHERE a = 1 AND a = 2) t1 RIGHT JOIN prt2_l t2 ON t1.a = t2.b AND t1.b = t2.a AND t1.c = t2.c; - QUERY PLAN -------------------------------------------------------------------------- - Hash Left Join - Hash Cond: ((t2.b = a) AND (t2.a = b) AND ((t2.c)::text = (c)::text)) - -> Append - -> Seq Scan on prt2_l_p1 t2_1 - -> Seq Scan on prt2_l_p2_p1 t2_2 - -> Seq Scan on prt2_l_p2_p2 t2_3 - -> Seq Scan on prt2_l_p3_p1 t2_4 - -> Seq Scan on prt2_l_p3_p2 t2_5 - -> Hash - -> Result - One-Time Filter: false -(11 rows) - --- Test case to verify proper handling of subqueries in a partitioned delete. --- The weird-looking lateral join is just there to force creation of a --- nestloop parameter within the subquery, which exposes the problem if the --- planner fails to make multiple copies of the subquery as appropriate. -EXPLAIN (COSTS OFF) -DELETE FROM prt1_l -WHERE EXISTS ( - SELECT 1 - FROM int4_tbl, - LATERAL (SELECT int4_tbl.f1 FROM int8_tbl LIMIT 2) ss - WHERE prt1_l.c IS NULL); - QUERY PLAN ----------------------------------------------------------- - Delete on prt1_l - Delete on prt1_l_p1 prt1_l_1 - Delete on prt1_l_p3_p1 prt1_l_2 - Delete on prt1_l_p3_p2 prt1_l_3 - -> Nested Loop Semi Join - -> Append - -> Seq Scan on prt1_l_p1 prt1_l_1 - Filter: (c IS NULL) - -> Seq Scan on prt1_l_p3_p1 prt1_l_2 - Filter: (c IS NULL) - -> Seq Scan on prt1_l_p3_p2 prt1_l_3 - Filter: (c IS NULL) - -> Materialize - -> Nested Loop - -> Seq Scan on int4_tbl - -> Subquery Scan on ss - -> Limit - -> Seq Scan on int8_tbl -(18 rows) - --- --- negative testcases --- -CREATE TABLE prt1_n (a int, b int, c varchar) PARTITION BY RANGE(c); -CREATE TABLE prt1_n_p1 PARTITION OF prt1_n FOR VALUES FROM ('0000') TO ('0250'); -CREATE TABLE prt1_n_p2 PARTITION OF prt1_n FOR VALUES FROM ('0250') TO ('0500'); -INSERT INTO prt1_n SELECT i, i, to_char(i, 'FM0000') FROM generate_series(0, 499, 2) i; -ANALYZE prt1_n; -CREATE TABLE prt2_n (a int, b int, c text) PARTITION BY LIST(c); -CREATE TABLE prt2_n_p1 PARTITION OF prt2_n FOR VALUES IN ('0000', '0003', '0004', '0010', '0006', '0007'); -CREATE TABLE prt2_n_p2 PARTITION OF prt2_n FOR VALUES IN ('0001', '0005', '0002', '0009', '0008', '0011'); -INSERT INTO prt2_n SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE prt2_n; -CREATE TABLE prt3_n (a int, b int, c text) PARTITION BY LIST(c); -CREATE TABLE prt3_n_p1 PARTITION OF prt3_n FOR VALUES IN ('0000', '0004', '0006', '0007'); -CREATE TABLE prt3_n_p2 PARTITION OF prt3_n FOR VALUES IN ('0001', '0002', '0008', '0010'); -CREATE TABLE prt3_n_p3 PARTITION OF prt3_n FOR VALUES IN ('0003', '0005', '0009', '0011'); -INSERT INTO prt2_n SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE prt3_n; -CREATE TABLE prt4_n (a int, b int, c text) PARTITION BY RANGE(a); -CREATE TABLE prt4_n_p1 PARTITION OF prt4_n FOR VALUES FROM (0) TO (300); -CREATE TABLE prt4_n_p2 PARTITION OF prt4_n FOR VALUES FROM (300) TO (500); -CREATE TABLE prt4_n_p3 PARTITION OF prt4_n FOR VALUES FROM (500) TO (600); -INSERT INTO prt4_n SELECT i, i, to_char(i, 'FM0000') FROM generate_series(0, 599, 2) i; -ANALYZE prt4_n; --- partitionwise join can not be applied if the partition ranges differ -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt4_n t2 WHERE t1.a = t2.a; - QUERY PLAN ----------------------------------------------- - Hash Join - Hash Cond: (t1.a = t2.a) - -> Append - -> Seq Scan on prt1_p1 t1_1 - -> Seq Scan on prt1_p2 t1_2 - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Append - -> Seq Scan on prt4_n_p1 t2_1 - -> Seq Scan on prt4_n_p2 t2_2 - -> Seq Scan on prt4_n_p3 t2_3 -(11 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1, prt4_n t2, prt2 t3 WHERE t1.a = t2.a and t1.a = t3.b; - QUERY PLAN --------------------------------------------------------- - Hash Join - Hash Cond: (t2.a = t1.a) - -> Append - -> Seq Scan on prt4_n_p1 t2_1 - -> Seq Scan on prt4_n_p2 t2_2 - -> Seq Scan on prt4_n_p3 t2_3 - -> Hash - -> Append - -> Hash Join - Hash Cond: (t1_1.a = t3_1.b) - -> Seq Scan on prt1_p1 t1_1 - -> Hash - -> Seq Scan on prt2_p1 t3_1 - -> Hash Join - Hash Cond: (t1_2.a = t3_2.b) - -> Seq Scan on prt1_p2 t1_2 - -> Hash - -> Seq Scan on prt2_p2 t3_2 - -> Hash Join - Hash Cond: (t1_3.a = t3_3.b) - -> Seq Scan on prt1_p3 t1_3 - -> Hash - -> Seq Scan on prt2_p3 t3_3 -(23 rows) - --- partitionwise join can not be applied if there are no equi-join conditions --- between partition keys -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1 t1 LEFT JOIN prt2 t2 ON (t1.a < t2.b); - QUERY PLAN ---------------------------------------------------------- - Nested Loop Left Join - -> Append - -> Seq Scan on prt1_p1 t1_1 - -> Seq Scan on prt1_p2 t1_2 - -> Seq Scan on prt1_p3 t1_3 - -> Append - -> Index Scan using iprt2_p1_b on prt2_p1 t2_1 - Index Cond: (b > t1.a) - -> Index Scan using iprt2_p2_b on prt2_p2 t2_2 - Index Cond: (b > t1.a) - -> Index Scan using iprt2_p3_b on prt2_p3 t2_3 - Index Cond: (b > t1.a) -(12 rows) - --- equi-join with join condition on partial keys does not qualify for --- partitionwise join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_m t1, prt2_m t2 WHERE t1.a = (t2.b + t2.a)/2; - QUERY PLAN ----------------------------------------------- - Hash Join - Hash Cond: (((t2.b + t2.a) / 2) = t1.a) - -> Append - -> Seq Scan on prt2_m_p1 t2_1 - -> Seq Scan on prt2_m_p2 t2_2 - -> Seq Scan on prt2_m_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt1_m_p1 t1_1 - -> Seq Scan on prt1_m_p2 t1_2 - -> Seq Scan on prt1_m_p3 t1_3 -(11 rows) - --- equi-join between out-of-order partition key columns does not qualify for --- partitionwise join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_m t1 LEFT JOIN prt2_m t2 ON t1.a = t2.b; - QUERY PLAN ----------------------------------------------- - Hash Left Join - Hash Cond: (t1.a = t2.b) - -> Append - -> Seq Scan on prt1_m_p1 t1_1 - -> Seq Scan on prt1_m_p2 t1_2 - -> Seq Scan on prt1_m_p3 t1_3 - -> Hash - -> Append - -> Seq Scan on prt2_m_p1 t2_1 - -> Seq Scan on prt2_m_p2 t2_2 - -> Seq Scan on prt2_m_p3 t2_3 -(11 rows) - --- equi-join between non-key columns does not qualify for partitionwise join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_m t1 LEFT JOIN prt2_m t2 ON t1.c = t2.c; - QUERY PLAN ----------------------------------------------- - Hash Left Join - Hash Cond: (t1.c = t2.c) - -> Append - -> Seq Scan on prt1_m_p1 t1_1 - -> Seq Scan on prt1_m_p2 t1_2 - -> Seq Scan on prt1_m_p3 t1_3 - -> Hash - -> Append - -> Seq Scan on prt2_m_p1 t2_1 - -> Seq Scan on prt2_m_p2 t2_2 - -> Seq Scan on prt2_m_p3 t2_3 -(11 rows) - --- partitionwise join can not be applied for a join between list and range --- partitioned tables -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_n t1 LEFT JOIN prt2_n t2 ON (t1.c = t2.c); - QUERY PLAN ----------------------------------------------- - Hash Right Join - Hash Cond: (t2.c = (t1.c)::text) - -> Append - -> Seq Scan on prt2_n_p1 t2_1 - -> Seq Scan on prt2_n_p2 t2_2 - -> Hash - -> Append - -> Seq Scan on prt1_n_p1 t1_1 - -> Seq Scan on prt1_n_p2 t1_2 -(9 rows) - --- partitionwise join can not be applied between tables with different --- partition lists -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_n t1 JOIN prt2_n t2 ON (t1.c = t2.c) JOIN plt1 t3 ON (t1.c = t3.c); - QUERY PLAN ----------------------------------------------------------- - Hash Join - Hash Cond: (t2.c = (t1.c)::text) - -> Append - -> Seq Scan on prt2_n_p1 t2_1 - -> Seq Scan on prt2_n_p2 t2_2 - -> Hash - -> Hash Join - Hash Cond: (t3.c = (t1.c)::text) - -> Append - -> Seq Scan on plt1_p1 t3_1 - -> Seq Scan on plt1_p2 t3_2 - -> Seq Scan on plt1_p3 t3_3 - -> Hash - -> Append - -> Seq Scan on prt1_n_p1 t1_1 - -> Seq Scan on prt1_n_p2 t1_2 -(16 rows) - --- partitionwise join can not be applied for a join between key column and --- non-key column -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_n t1 FULL JOIN prt1 t2 ON (t1.c = t2.c); - QUERY PLAN ----------------------------------------------- - Hash Full Join - Hash Cond: ((t2.c)::text = (t1.c)::text) - -> Append - -> Seq Scan on prt1_p1 t2_1 - -> Seq Scan on prt1_p2 t2_2 - -> Seq Scan on prt1_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt1_n_p1 t1_1 - -> Seq Scan on prt1_n_p2 t1_2 -(10 rows) - --- --- Test some other plan types in a partitionwise join (unfortunately, --- we need larger tables to get the planner to choose these plan types) --- -create temp table prtx1 (a integer, b integer, c integer) - partition by range (a); -create temp table prtx1_1 partition of prtx1 for values from (1) to (11); -create temp table prtx1_2 partition of prtx1 for values from (11) to (21); -create temp table prtx1_3 partition of prtx1 for values from (21) to (31); -create temp table prtx2 (a integer, b integer, c integer) - partition by range (a); -create temp table prtx2_1 partition of prtx2 for values from (1) to (11); -create temp table prtx2_2 partition of prtx2 for values from (11) to (21); -create temp table prtx2_3 partition of prtx2 for values from (21) to (31); -insert into prtx1 select 1 + i%30, i, i - from generate_series(1,1000) i; -insert into prtx2 select 1 + i%30, i, i - from generate_series(1,500) i, generate_series(1,10) j; -create index on prtx2 (b); -create index on prtx2 (c); -analyze prtx1; -analyze prtx2; -explain (costs off) -select * from prtx1 -where not exists (select 1 from prtx2 - where prtx2.a=prtx1.a and prtx2.b=prtx1.b and prtx2.c=123) - and a<20 and c=120; - QUERY PLAN -------------------------------------------------------------- - Append - -> Nested Loop Anti Join - -> Seq Scan on prtx1_1 - Filter: ((a < 20) AND (c = 120)) - -> Bitmap Heap Scan on prtx2_1 - Recheck Cond: ((b = prtx1_1.b) AND (c = 123)) - Filter: (a = prtx1_1.a) - -> BitmapAnd - -> Bitmap Index Scan on prtx2_1_b_idx - Index Cond: (b = prtx1_1.b) - -> Bitmap Index Scan on prtx2_1_c_idx - Index Cond: (c = 123) - -> Nested Loop Anti Join - -> Seq Scan on prtx1_2 - Filter: ((a < 20) AND (c = 120)) - -> Bitmap Heap Scan on prtx2_2 - Recheck Cond: ((b = prtx1_2.b) AND (c = 123)) - Filter: (a = prtx1_2.a) - -> BitmapAnd - -> Bitmap Index Scan on prtx2_2_b_idx - Index Cond: (b = prtx1_2.b) - -> Bitmap Index Scan on prtx2_2_c_idx - Index Cond: (c = 123) -(23 rows) - -select * from prtx1 -where not exists (select 1 from prtx2 - where prtx2.a=prtx1.a and prtx2.b=prtx1.b and prtx2.c=123) - and a<20 and c=120; - a | b | c ----+-----+----- - 1 | 120 | 120 -(1 row) - -explain (costs off) -select * from prtx1 -where not exists (select 1 from prtx2 - where prtx2.a=prtx1.a and (prtx2.b=prtx1.b+1 or prtx2.c=99)) - and a<20 and c=91; - QUERY PLAN ------------------------------------------------------------------ - Append - -> Nested Loop Anti Join - -> Seq Scan on prtx1_1 - Filter: ((a < 20) AND (c = 91)) - -> Bitmap Heap Scan on prtx2_1 - Recheck Cond: ((b = (prtx1_1.b + 1)) OR (c = 99)) - Filter: (a = prtx1_1.a) - -> BitmapOr - -> Bitmap Index Scan on prtx2_1_b_idx - Index Cond: (b = (prtx1_1.b + 1)) - -> Bitmap Index Scan on prtx2_1_c_idx - Index Cond: (c = 99) - -> Nested Loop Anti Join - -> Seq Scan on prtx1_2 - Filter: ((a < 20) AND (c = 91)) - -> Bitmap Heap Scan on prtx2_2 - Recheck Cond: ((b = (prtx1_2.b + 1)) OR (c = 99)) - Filter: (a = prtx1_2.a) - -> BitmapOr - -> Bitmap Index Scan on prtx2_2_b_idx - Index Cond: (b = (prtx1_2.b + 1)) - -> Bitmap Index Scan on prtx2_2_c_idx - Index Cond: (c = 99) -(23 rows) - -select * from prtx1 -where not exists (select 1 from prtx2 - where prtx2.a=prtx1.a and (prtx2.b=prtx1.b+1 or prtx2.c=99)) - and a<20 and c=91; - a | b | c ----+----+---- - 2 | 91 | 91 -(1 row) - --- --- Test advanced partition-matching algorithm for partitioned join --- --- Tests for range-partitioned tables -CREATE TABLE prt1_adv (a int, b int, c varchar) PARTITION BY RANGE (a); -CREATE TABLE prt1_adv_p1 PARTITION OF prt1_adv FOR VALUES FROM (100) TO (200); -CREATE TABLE prt1_adv_p2 PARTITION OF prt1_adv FOR VALUES FROM (200) TO (300); -CREATE TABLE prt1_adv_p3 PARTITION OF prt1_adv FOR VALUES FROM (300) TO (400); -CREATE INDEX prt1_adv_a_idx ON prt1_adv (a); -INSERT INTO prt1_adv SELECT i, i % 25, to_char(i, 'FM0000') FROM generate_series(100, 399) i; -ANALYZE prt1_adv; -CREATE TABLE prt2_adv (a int, b int, c varchar) PARTITION BY RANGE (b); -CREATE TABLE prt2_adv_p1 PARTITION OF prt2_adv FOR VALUES FROM (100) TO (150); -CREATE TABLE prt2_adv_p2 PARTITION OF prt2_adv FOR VALUES FROM (200) TO (300); -CREATE TABLE prt2_adv_p3 PARTITION OF prt2_adv FOR VALUES FROM (350) TO (500); -CREATE INDEX prt2_adv_b_idx ON prt2_adv (b); -INSERT INTO prt2_adv_p1 SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(100, 149) i; -INSERT INTO prt2_adv_p2 SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(200, 299) i; -INSERT INTO prt2_adv_p3 SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(350, 499) i; -ANALYZE prt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 - 350 | 0350 | 350 | 0350 - 375 | 0375 | 375 | 0375 -(8 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Semi Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Semi Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Semi Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.* FROM prt1_adv t1 WHERE EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 100 | 0 | 0100 - 125 | 0 | 0125 - 200 | 0 | 0200 - 225 | 0 | 0225 - 250 | 0 | 0250 - 275 | 0 | 0275 - 350 | 0 | 0350 - 375 | 0 | 0375 -(8 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Right Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 150 | 0150 | | - 175 | 0175 | | - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 - 300 | 0300 | | - 325 | 0325 | | - 350 | 0350 | 350 | 0350 - 375 | 0375 | 375 | 0375 -(12 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Anti Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Anti Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Anti Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.* FROM prt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 150 | 0 | 0150 - 175 | 0 | 0175 - 300 | 0 | 0300 - 325 | 0 | 0325 -(4 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 175 phv, * FROM prt1_adv WHERE prt1_adv.b = 0) t1 FULL JOIN (SELECT 425 phv, * FROM prt2_adv WHERE prt2_adv.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------------------------------------- - Sort - Sort Key: prt1_adv.a, prt2_adv.b - -> Append - -> Hash Full Join - Hash Cond: (prt1_adv_1.a = prt2_adv_1.b) - Filter: (((175) = prt1_adv_1.a) OR ((425) = prt2_adv_1.b)) - -> Seq Scan on prt1_adv_p1 prt1_adv_1 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_adv_p1 prt2_adv_1 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: (prt1_adv_2.a = prt2_adv_2.b) - Filter: (((175) = prt1_adv_2.a) OR ((425) = prt2_adv_2.b)) - -> Seq Scan on prt1_adv_p2 prt1_adv_2 - Filter: (b = 0) - -> Hash - -> Seq Scan on prt2_adv_p2 prt2_adv_2 - Filter: (a = 0) - -> Hash Full Join - Hash Cond: (prt2_adv_3.b = prt1_adv_3.a) - Filter: (((175) = prt1_adv_3.a) OR ((425) = prt2_adv_3.b)) - -> Seq Scan on prt2_adv_p3 prt2_adv_3 - Filter: (a = 0) - -> Hash - -> Seq Scan on prt1_adv_p3 prt1_adv_3 - Filter: (b = 0) -(27 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 175 phv, * FROM prt1_adv WHERE prt1_adv.b = 0) t1 FULL JOIN (SELECT 425 phv, * FROM prt2_adv WHERE prt2_adv.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 175 | 0175 | | - | | 425 | 0425 -(2 rows) - --- Test cases where one side has an extra partition -CREATE TABLE prt2_adv_extra PARTITION OF prt2_adv FOR VALUES FROM (500) TO (MAXVALUE); -INSERT INTO prt2_adv SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(500, 599) i; -ANALYZE prt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 - 350 | 0350 | 350 | 0350 - 375 | 0375 | 375 | 0375 -(8 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Semi Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Semi Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Semi Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.* FROM prt1_adv t1 WHERE EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 100 | 0 | 0100 - 125 | 0 | 0125 - 200 | 0 | 0200 - 225 | 0 | 0225 - 250 | 0 | 0250 - 275 | 0 | 0275 - 350 | 0 | 0350 - 375 | 0 | 0375 -(8 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Append - -> Hash Right Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 150 | 0150 | | - 175 | 0175 | | - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 - 300 | 0300 | | - 325 | 0325 | | - 350 | 0350 | 350 | 0350 - 375 | 0375 | 375 | 0375 -(12 rows) - --- left join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.b, t1.c, t2.a, t2.c FROM prt2_adv t1 LEFT JOIN prt1_adv t2 ON (t1.b = t2.a) WHERE t1.a = 0 ORDER BY t1.b, t2.a; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: t1.b, t2.a - -> Hash Right Join - Hash Cond: (t2.a = t1.b) - -> Append - -> Seq Scan on prt1_adv_p1 t2_1 - -> Seq Scan on prt1_adv_p2 t2_2 - -> Seq Scan on prt1_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt2_adv_p1 t1_1 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p2 t1_2 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p3 t1_3 - Filter: (a = 0) - -> Seq Scan on prt2_adv_extra t1_4 - Filter: (a = 0) -(18 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Anti Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Hash Right Anti Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Hash Right Anti Join - Hash Cond: (t2_3.b = t1_3.a) - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(21 rows) - -SELECT t1.* FROM prt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - a | b | c ------+---+------ - 150 | 0 | 0150 - 175 | 0 | 0175 - 300 | 0 | 0300 - 325 | 0 | 0325 -(4 rows) - --- anti join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt2_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt1_adv t2 WHERE t1.b = t2.a) AND t1.a = 0 ORDER BY t1.b; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: t1.b - -> Hash Right Anti Join - Hash Cond: (t2.a = t1.b) - -> Append - -> Seq Scan on prt1_adv_p1 t2_1 - -> Seq Scan on prt1_adv_p2 t2_2 - -> Seq Scan on prt1_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt2_adv_p1 t1_1 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p2 t1_2 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p3 t1_3 - Filter: (a = 0) - -> Seq Scan on prt2_adv_extra t1_4 - Filter: (a = 0) -(18 rows) - --- full join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 175 phv, * FROM prt1_adv WHERE prt1_adv.b = 0) t1 FULL JOIN (SELECT 425 phv, * FROM prt2_adv WHERE prt2_adv.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - QUERY PLAN ----------------------------------------------------------------- - Sort - Sort Key: prt1_adv.a, prt2_adv.b - -> Hash Full Join - Hash Cond: (prt2_adv.b = prt1_adv.a) - Filter: (((175) = prt1_adv.a) OR ((425) = prt2_adv.b)) - -> Append - -> Seq Scan on prt2_adv_p1 prt2_adv_1 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p2 prt2_adv_2 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p3 prt2_adv_3 - Filter: (a = 0) - -> Seq Scan on prt2_adv_extra prt2_adv_4 - Filter: (a = 0) - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 prt1_adv_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 prt1_adv_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 prt1_adv_3 - Filter: (b = 0) -(22 rows) - --- 3-way join where not every pair of relations can do partitioned join -EXPLAIN (COSTS OFF) -SELECT t1.b, t1.c, t2.a, t2.c, t3.a, t3.c FROM prt2_adv t1 LEFT JOIN prt1_adv t2 ON (t1.b = t2.a) INNER JOIN prt1_adv t3 ON (t1.b = t3.a) WHERE t1.a = 0 ORDER BY t1.b, t2.a, t3.a; - QUERY PLAN --------------------------------------------------------------------------------- - Sort - Sort Key: t1.b, t2.a - -> Append - -> Nested Loop Left Join - -> Nested Loop - -> Seq Scan on prt2_adv_p1 t1_1 - Filter: (a = 0) - -> Index Scan using prt1_adv_p1_a_idx on prt1_adv_p1 t3_1 - Index Cond: (a = t1_1.b) - -> Index Scan using prt1_adv_p1_a_idx on prt1_adv_p1 t2_1 - Index Cond: (a = t1_1.b) - -> Hash Right Join - Hash Cond: (t2_2.a = t1_2.b) - -> Seq Scan on prt1_adv_p2 t2_2 - -> Hash - -> Hash Join - Hash Cond: (t3_2.a = t1_2.b) - -> Seq Scan on prt1_adv_p2 t3_2 - -> Hash - -> Seq Scan on prt2_adv_p2 t1_2 - Filter: (a = 0) - -> Hash Right Join - Hash Cond: (t2_3.a = t1_3.b) - -> Seq Scan on prt1_adv_p3 t2_3 - -> Hash - -> Hash Join - Hash Cond: (t3_3.a = t1_3.b) - -> Seq Scan on prt1_adv_p3 t3_3 - -> Hash - -> Seq Scan on prt2_adv_p3 t1_3 - Filter: (a = 0) -(31 rows) - -SELECT t1.b, t1.c, t2.a, t2.c, t3.a, t3.c FROM prt2_adv t1 LEFT JOIN prt1_adv t2 ON (t1.b = t2.a) INNER JOIN prt1_adv t3 ON (t1.b = t3.a) WHERE t1.a = 0 ORDER BY t1.b, t2.a, t3.a; - b | c | a | c | a | c ------+------+-----+------+-----+------ - 100 | 0100 | 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 | 125 | 0125 - 200 | 0200 | 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 | 275 | 0275 - 350 | 0350 | 350 | 0350 | 350 | 0350 - 375 | 0375 | 375 | 0375 | 375 | 0375 -(8 rows) - -DROP TABLE prt2_adv_extra; --- Test cases where a partition on one side matches multiple partitions on --- the other side; we currently can't do partitioned join in such cases -ALTER TABLE prt2_adv DETACH PARTITION prt2_adv_p3; --- Split prt2_adv_p3 into two partitions so that prt1_adv_p3 matches both -CREATE TABLE prt2_adv_p3_1 PARTITION OF prt2_adv FOR VALUES FROM (350) TO (375); -CREATE TABLE prt2_adv_p3_2 PARTITION OF prt2_adv FOR VALUES FROM (375) TO (500); -INSERT INTO prt2_adv SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(350, 499) i; -ANALYZE prt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3_1 t2_3 - -> Seq Scan on prt2_adv_p3_2 t2_4 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(17 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Semi Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3_1 t2_3 - -> Seq Scan on prt2_adv_p3_2 t2_4 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(17 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b - -> Hash Right Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3_1 t2_3 - -> Seq Scan on prt2_adv_p3_2 t2_4 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(17 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM prt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM prt2_adv t2 WHERE t1.a = t2.b) AND t1.b = 0 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Anti Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3_1 t2_3 - -> Seq Scan on prt2_adv_p3_2 t2_4 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_3 - Filter: (b = 0) -(17 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM (SELECT 175 phv, * FROM prt1_adv WHERE prt1_adv.b = 0) t1 FULL JOIN (SELECT 425 phv, * FROM prt2_adv WHERE prt2_adv.a = 0) t2 ON (t1.a = t2.b) WHERE t1.phv = t1.a OR t2.phv = t2.b ORDER BY t1.a, t2.b; - QUERY PLAN ----------------------------------------------------------------- - Sort - Sort Key: prt1_adv.a, prt2_adv.b - -> Hash Full Join - Hash Cond: (prt2_adv.b = prt1_adv.a) - Filter: (((175) = prt1_adv.a) OR ((425) = prt2_adv.b)) - -> Append - -> Seq Scan on prt2_adv_p1 prt2_adv_1 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p2 prt2_adv_2 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p3_1 prt2_adv_3 - Filter: (a = 0) - -> Seq Scan on prt2_adv_p3_2 prt2_adv_4 - Filter: (a = 0) - -> Hash - -> Append - -> Seq Scan on prt1_adv_p1 prt1_adv_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p2 prt1_adv_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 prt1_adv_3 - Filter: (b = 0) -(22 rows) - -DROP TABLE prt2_adv_p3_1; -DROP TABLE prt2_adv_p3_2; -ANALYZE prt2_adv; --- Test default partitions -ALTER TABLE prt1_adv DETACH PARTITION prt1_adv_p1; --- Change prt1_adv_p1 to the default partition -ALTER TABLE prt1_adv ATTACH PARTITION prt1_adv_p1 DEFAULT; -ALTER TABLE prt1_adv DETACH PARTITION prt1_adv_p3; -ANALYZE prt1_adv; --- We can do partitioned join even if only one of relations has the default --- partition -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_2.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_2 - Filter: (b = 0) - -> Hash Join - Hash Cond: (t2_2.b = t1_1.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_1 - Filter: (b = 0) -(15 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 -(6 rows) - --- Restore prt1_adv_p3 -ALTER TABLE prt1_adv ATTACH PARTITION prt1_adv_p3 FOR VALUES FROM (300) TO (400); -ANALYZE prt1_adv; --- Restore prt2_adv_p3 -ALTER TABLE prt2_adv ATTACH PARTITION prt2_adv_p3 FOR VALUES FROM (350) TO (500); -ANALYZE prt2_adv; --- Partitioned join can't be applied because the default partition of prt1_adv --- matches prt2_adv_p1 and prt2_adv_p3 -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p2 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p1 t1_3 - Filter: (b = 0) -(16 rows) - -ALTER TABLE prt2_adv DETACH PARTITION prt2_adv_p3; --- Change prt2_adv_p3 to the default partition -ALTER TABLE prt2_adv ATTACH PARTITION prt2_adv_p3 DEFAULT; -ANALYZE prt2_adv; --- Partitioned join can't be applied because the default partition of prt1_adv --- matches prt2_adv_p1 and prt2_adv_p3 -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: (t2.b = t1.a) - -> Append - -> Seq Scan on prt2_adv_p1 t2_1 - -> Seq Scan on prt2_adv_p2 t2_2 - -> Seq Scan on prt2_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on prt1_adv_p2 t1_1 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p3 t1_2 - Filter: (b = 0) - -> Seq Scan on prt1_adv_p1 t1_3 - Filter: (b = 0) -(16 rows) - -DROP TABLE prt1_adv_p3; -ANALYZE prt1_adv; -DROP TABLE prt2_adv_p3; -ANALYZE prt2_adv; -CREATE TABLE prt3_adv (a int, b int, c varchar) PARTITION BY RANGE (a); -CREATE TABLE prt3_adv_p1 PARTITION OF prt3_adv FOR VALUES FROM (200) TO (300); -CREATE TABLE prt3_adv_p2 PARTITION OF prt3_adv FOR VALUES FROM (300) TO (400); -CREATE INDEX prt3_adv_a_idx ON prt3_adv (a); -INSERT INTO prt3_adv SELECT i, i % 25, to_char(i, 'FM0000') FROM generate_series(200, 399) i; -ANALYZE prt3_adv; --- 3-way join to test the default partition of a join relation -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c, t3.a, t3.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) LEFT JOIN prt3_adv t3 ON (t1.a = t3.a) WHERE t1.b = 0 ORDER BY t1.a, t2.b, t3.a; - QUERY PLAN ------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.b, t3.a - -> Append - -> Hash Right Join - Hash Cond: (t3_1.a = t1_1.a) - -> Seq Scan on prt3_adv_p1 t3_1 - -> Hash - -> Hash Right Join - Hash Cond: (t2_2.b = t1_1.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_1 - Filter: (b = 0) - -> Hash Right Join - Hash Cond: (t3_2.a = t1_2.a) - -> Seq Scan on prt3_adv_p2 t3_2 - -> Hash - -> Hash Right Join - Hash Cond: (t2_1.b = t1_2.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_2 - Filter: (b = 0) -(23 rows) - -SELECT t1.a, t1.c, t2.b, t2.c, t3.a, t3.c FROM prt1_adv t1 LEFT JOIN prt2_adv t2 ON (t1.a = t2.b) LEFT JOIN prt3_adv t3 ON (t1.a = t3.a) WHERE t1.b = 0 ORDER BY t1.a, t2.b, t3.a; - a | c | b | c | a | c ------+------+-----+------+-----+------ - 100 | 0100 | 100 | 0100 | | - 125 | 0125 | 125 | 0125 | | - 150 | 0150 | | | | - 175 | 0175 | | | | - 200 | 0200 | 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 | 275 | 0275 -(8 rows) - -DROP TABLE prt1_adv; -DROP TABLE prt2_adv; -DROP TABLE prt3_adv; --- Test interaction of partitioned join with partition pruning -CREATE TABLE prt1_adv (a int, b int, c varchar) PARTITION BY RANGE (a); -CREATE TABLE prt1_adv_p1 PARTITION OF prt1_adv FOR VALUES FROM (100) TO (200); -CREATE TABLE prt1_adv_p2 PARTITION OF prt1_adv FOR VALUES FROM (200) TO (300); -CREATE TABLE prt1_adv_p3 PARTITION OF prt1_adv FOR VALUES FROM (300) TO (400); -CREATE INDEX prt1_adv_a_idx ON prt1_adv (a); -INSERT INTO prt1_adv SELECT i, i % 25, to_char(i, 'FM0000') FROM generate_series(100, 399) i; -ANALYZE prt1_adv; -CREATE TABLE prt2_adv (a int, b int, c varchar) PARTITION BY RANGE (b); -CREATE TABLE prt2_adv_p1 PARTITION OF prt2_adv FOR VALUES FROM (100) TO (200); -CREATE TABLE prt2_adv_p2 PARTITION OF prt2_adv FOR VALUES FROM (200) TO (400); -CREATE INDEX prt2_adv_b_idx ON prt2_adv (b); -INSERT INTO prt2_adv SELECT i % 25, i, to_char(i, 'FM0000') FROM generate_series(100, 399) i; -ANALYZE prt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.a < 300 AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN ------------------------------------------------------------ - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: ((a < 300) AND (b = 0)) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: ((a < 300) AND (b = 0)) -(15 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.a < 300 AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 150 | 0150 | 150 | 0150 - 175 | 0175 | 175 | 0175 - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 -(8 rows) - -DROP TABLE prt1_adv_p3; -CREATE TABLE prt1_adv_default PARTITION OF prt1_adv DEFAULT; -ANALYZE prt1_adv; -CREATE TABLE prt2_adv_default PARTITION OF prt2_adv DEFAULT; -ANALYZE prt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.a >= 100 AND t1.a < 300 AND t1.b = 0 ORDER BY t1.a, t2.b; - QUERY PLAN --------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: (t2_1.b = t1_1.a) - -> Seq Scan on prt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on prt1_adv_p1 t1_1 - Filter: ((a >= 100) AND (a < 300) AND (b = 0)) - -> Hash Join - Hash Cond: (t2_2.b = t1_2.a) - -> Seq Scan on prt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on prt1_adv_p2 t1_2 - Filter: ((a >= 100) AND (a < 300) AND (b = 0)) -(15 rows) - -SELECT t1.a, t1.c, t2.b, t2.c FROM prt1_adv t1 INNER JOIN prt2_adv t2 ON (t1.a = t2.b) WHERE t1.a >= 100 AND t1.a < 300 AND t1.b = 0 ORDER BY t1.a, t2.b; - a | c | b | c ------+------+-----+------ - 100 | 0100 | 100 | 0100 - 125 | 0125 | 125 | 0125 - 150 | 0150 | 150 | 0150 - 175 | 0175 | 175 | 0175 - 200 | 0200 | 200 | 0200 - 225 | 0225 | 225 | 0225 - 250 | 0250 | 250 | 0250 - 275 | 0275 | 275 | 0275 -(8 rows) - -DROP TABLE prt1_adv; -DROP TABLE prt2_adv; --- Tests for list-partitioned tables -CREATE TABLE plt1_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt1_adv_p1 PARTITION OF plt1_adv FOR VALUES IN ('0001', '0003'); -CREATE TABLE plt1_adv_p2 PARTITION OF plt1_adv FOR VALUES IN ('0004', '0006'); -CREATE TABLE plt1_adv_p3 PARTITION OF plt1_adv FOR VALUES IN ('0008', '0009'); -INSERT INTO plt1_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (1, 3, 4, 6, 8, 9); -ANALYZE plt1_adv; -CREATE TABLE plt2_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt2_adv_p1 PARTITION OF plt2_adv FOR VALUES IN ('0002', '0003'); -CREATE TABLE plt2_adv_p2 PARTITION OF plt2_adv FOR VALUES IN ('0004', '0006'); -CREATE TABLE plt2_adv_p3 PARTITION OF plt2_adv FOR VALUES IN ('0007', '0009'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 9 | 0009 | 9 | 0009 -(4 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Semi Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c ----+---+------ - 3 | 3 | 0003 - 4 | 4 | 0004 - 6 | 6 | 0006 - 9 | 9 | 0009 -(4 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 -(6 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Anti Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c ----+---+------ - 1 | 1 | 0001 - 8 | 8 | 0008 -(2 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN ------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a, t2.a - -> Append - -> Hash Full Join - Hash Cond: ((t1_1.a = t2_1.a) AND (t1_1.c = t2_1.c)) - Filter: ((COALESCE(t1_1.b, 0) < 10) AND (COALESCE(t2_1.b, 0) < 10)) - -> Seq Scan on plt1_adv_p1 t1_1 - -> Hash - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash Full Join - Hash Cond: ((t1_2.a = t2_2.a) AND (t1_2.c = t2_2.c)) - Filter: ((COALESCE(t1_2.b, 0) < 10) AND (COALESCE(t2_2.b, 0) < 10)) - -> Seq Scan on plt1_adv_p2 t1_2 - -> Hash - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash Full Join - Hash Cond: ((t1_3.a = t2_3.a) AND (t1_3.c = t2_3.c)) - Filter: ((COALESCE(t1_3.b, 0) < 10) AND (COALESCE(t2_3.b, 0) < 10)) - -> Seq Scan on plt1_adv_p3 t1_3 - -> Hash - -> Seq Scan on plt2_adv_p3 t2_3 -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - a | c | a | c ----+------+---+------ - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 - | | 2 | 0002 - | | 7 | 0007 -(8 rows) - --- Test cases where one side has an extra partition -CREATE TABLE plt2_adv_extra PARTITION OF plt2_adv FOR VALUES IN ('0000'); -INSERT INTO plt2_adv_extra VALUES (0, 0, '0000'); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 9 | 0009 | 9 | 0009 -(4 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Semi Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c ----+---+------ - 3 | 3 | 0003 - 4 | 4 | 0004 - 6 | 6 | 0006 - 9 | 9 | 0009 -(4 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 -(6 rows) - --- left join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt2_adv t1 LEFT JOIN plt1_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt1_adv_p1 t2_1 - -> Seq Scan on plt1_adv_p2 t2_2 - -> Seq Scan on plt1_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on plt2_adv_extra t1_1 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p1 t1_2 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p2 t1_3 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p3 t1_4 - Filter: (b < 10) -(18 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Anti Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c ----+---+------ - 1 | 1 | 0001 - 8 | 8 | 0008 -(2 rows) - --- anti join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt2_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt1_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Anti Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt1_adv_p1 t2_1 - -> Seq Scan on plt1_adv_p2 t2_2 - -> Seq Scan on plt1_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on plt2_adv_extra t1_1 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p1 t1_2 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p2 t1_3 - Filter: (b < 10) - -> Seq Scan on plt2_adv_p3 t1_4 - Filter: (b < 10) -(18 rows) - --- full join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN -------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.a - -> Hash Full Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - Filter: ((COALESCE(t1.b, 0) < 10) AND (COALESCE(t2.b, 0) < 10)) - -> Append - -> Seq Scan on plt2_adv_extra t2_1 - -> Seq Scan on plt2_adv_p1 t2_2 - -> Seq Scan on plt2_adv_p2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - -> Seq Scan on plt1_adv_p2 t1_2 - -> Seq Scan on plt1_adv_p3 t1_3 -(15 rows) - -DROP TABLE plt2_adv_extra; --- Test cases where a partition on one side matches multiple partitions on --- the other side; we currently can't do partitioned join in such cases -ALTER TABLE plt2_adv DETACH PARTITION plt2_adv_p2; --- Split plt2_adv_p2 into two partitions so that plt1_adv_p2 matches both -CREATE TABLE plt2_adv_p2_1 PARTITION OF plt2_adv FOR VALUES IN ('0004'); -CREATE TABLE plt2_adv_p2_2 PARTITION OF plt2_adv FOR VALUES IN ('0006'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (4, 6); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_1 t2_2 - -> Seq Scan on plt2_adv_p2_2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(17 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Semi Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_1 t2_2 - -> Seq Scan on plt2_adv_p2_2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(17 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_1 t2_2 - -> Seq Scan on plt2_adv_p2_2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(17 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Anti Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_1 t2_2 - -> Seq Scan on plt2_adv_p2_2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(17 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN -------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.a - -> Hash Full Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - Filter: ((COALESCE(t1.b, 0) < 10) AND (COALESCE(t2.b, 0) < 10)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_1 t2_2 - -> Seq Scan on plt2_adv_p2_2 t2_3 - -> Seq Scan on plt2_adv_p3 t2_4 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - -> Seq Scan on plt1_adv_p2 t1_2 - -> Seq Scan on plt1_adv_p3 t1_3 -(15 rows) - -DROP TABLE plt2_adv_p2_1; -DROP TABLE plt2_adv_p2_2; --- Restore plt2_adv_p2 -ALTER TABLE plt2_adv ATTACH PARTITION plt2_adv_p2 FOR VALUES IN ('0004', '0006'); --- Test NULL partitions -ALTER TABLE plt1_adv DETACH PARTITION plt1_adv_p1; --- Change plt1_adv_p1 to the NULL partition -CREATE TABLE plt1_adv_p1_null PARTITION OF plt1_adv FOR VALUES IN (NULL, '0001', '0003'); -INSERT INTO plt1_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (1, 3); -INSERT INTO plt1_adv VALUES (-1, -1, NULL); -ANALYZE plt1_adv; -ALTER TABLE plt2_adv DETACH PARTITION plt2_adv_p3; --- Change plt2_adv_p3 to the NULL partition -CREATE TABLE plt2_adv_p3_null PARTITION OF plt2_adv FOR VALUES IN (NULL, '0007', '0009'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (7, 9); -INSERT INTO plt2_adv VALUES (-1, -1, NULL); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1_null t1_1 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3_null t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 9 | 0009 | 9 | 0009 -(4 rows) - --- semi join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Semi Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1_null t1_1 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Semi Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3_null t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c ----+---+------ - 3 | 3 | 0003 - 4 | 4 | 0004 - 6 | 6 | 0006 - 9 | 9 | 0009 -(4 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1_null t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3_null t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c -----+------+---+------ - -1 | | | - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 -(7 rows) - --- anti join -EXPLAIN (COSTS OFF) -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Anti Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1_null t1_1 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Anti Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3_null t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.* FROM plt1_adv t1 WHERE NOT EXISTS (SELECT 1 FROM plt2_adv t2 WHERE t1.a = t2.a AND t1.c = t2.c) AND t1.b < 10 ORDER BY t1.a; - a | b | c -----+----+------ - -1 | -1 | - 1 | 1 | 0001 - 8 | 8 | 0008 -(3 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN ------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a, t2.a - -> Append - -> Hash Full Join - Hash Cond: ((t1_1.a = t2_1.a) AND (t1_1.c = t2_1.c)) - Filter: ((COALESCE(t1_1.b, 0) < 10) AND (COALESCE(t2_1.b, 0) < 10)) - -> Seq Scan on plt1_adv_p1_null t1_1 - -> Hash - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash Full Join - Hash Cond: ((t1_2.a = t2_2.a) AND (t1_2.c = t2_2.c)) - Filter: ((COALESCE(t1_2.b, 0) < 10) AND (COALESCE(t2_2.b, 0) < 10)) - -> Seq Scan on plt1_adv_p2 t1_2 - -> Hash - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash Full Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - Filter: ((COALESCE(t1_3.b, 0) < 10) AND (COALESCE(t2_3.b, 0) < 10)) - -> Seq Scan on plt2_adv_p3_null t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - a | c | a | c -----+------+----+------ - -1 | | | - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 - | | -1 | - | | 2 | 0002 - | | 7 | 0007 -(10 rows) - -DROP TABLE plt1_adv_p1_null; --- Restore plt1_adv_p1 -ALTER TABLE plt1_adv ATTACH PARTITION plt1_adv_p1 FOR VALUES IN ('0001', '0003'); --- Add to plt1_adv the extra NULL partition containing only NULL values as the --- key values -CREATE TABLE plt1_adv_extra PARTITION OF plt1_adv FOR VALUES IN (NULL); -INSERT INTO plt1_adv VALUES (-1, -1, NULL); -ANALYZE plt1_adv; -DROP TABLE plt2_adv_p3_null; --- Restore plt2_adv_p3 -ALTER TABLE plt2_adv ATTACH PARTITION plt2_adv_p3 FOR VALUES IN ('0007', '0009'); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 9 | 0009 | 9 | 0009 -(4 rows) - --- left join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2 t2_2 - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) - -> Seq Scan on plt1_adv_extra t1_4 - Filter: (b < 10) -(18 rows) - --- full join; currently we can't do partitioned join if there are no matched --- partitions on the nullable side -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN -------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t2.a - -> Hash Full Join - Hash Cond: ((t1.a = t2.a) AND (t1.c = t2.c)) - Filter: ((COALESCE(t1.b, 0) < 10) AND (COALESCE(t2.b, 0) < 10)) - -> Append - -> Seq Scan on plt1_adv_p1 t1_1 - -> Seq Scan on plt1_adv_p2 t1_2 - -> Seq Scan on plt1_adv_p3 t1_3 - -> Seq Scan on plt1_adv_extra t1_4 - -> Hash - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2 t2_2 - -> Seq Scan on plt2_adv_p3 t2_3 -(15 rows) - --- Add to plt2_adv the extra NULL partition containing only NULL values as the --- key values -CREATE TABLE plt2_adv_extra PARTITION OF plt2_adv FOR VALUES IN (NULL); -INSERT INTO plt2_adv VALUES (-1, -1, NULL); -ANALYZE plt2_adv; --- inner join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) -(21 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 9 | 0009 | 9 | 0009 -(4 rows) - --- left join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ----------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) - -> Nested Loop Left Join - Join Filter: ((t1_4.a = t2_4.a) AND (t1_4.c = t2_4.c)) - -> Seq Scan on plt1_adv_extra t1_4 - Filter: (b < 10) - -> Seq Scan on plt2_adv_extra t2_4 -(26 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c -----+------+---+------ - -1 | | | - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 -(7 rows) - --- full join -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - QUERY PLAN ------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a, t2.a - -> Append - -> Hash Full Join - Hash Cond: ((t1_1.a = t2_1.a) AND (t1_1.c = t2_1.c)) - Filter: ((COALESCE(t1_1.b, 0) < 10) AND (COALESCE(t2_1.b, 0) < 10)) - -> Seq Scan on plt1_adv_p1 t1_1 - -> Hash - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash Full Join - Hash Cond: ((t1_2.a = t2_2.a) AND (t1_2.c = t2_2.c)) - Filter: ((COALESCE(t1_2.b, 0) < 10) AND (COALESCE(t2_2.b, 0) < 10)) - -> Seq Scan on plt1_adv_p2 t1_2 - -> Hash - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash Full Join - Hash Cond: ((t1_3.a = t2_3.a) AND (t1_3.c = t2_3.c)) - Filter: ((COALESCE(t1_3.b, 0) < 10) AND (COALESCE(t2_3.b, 0) < 10)) - -> Seq Scan on plt1_adv_p3 t1_3 - -> Hash - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash Full Join - Hash Cond: ((t1_4.a = t2_4.a) AND (t1_4.c = t2_4.c)) - Filter: ((COALESCE(t1_4.b, 0) < 10) AND (COALESCE(t2_4.b, 0) < 10)) - -> Seq Scan on plt1_adv_extra t1_4 - -> Hash - -> Seq Scan on plt2_adv_extra t2_4 -(27 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 FULL JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE coalesce(t1.b, 0) < 10 AND coalesce(t2.b, 0) < 10 ORDER BY t1.a, t2.a; - a | c | a | c -----+------+----+------ - -1 | | | - 1 | 0001 | | - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 - 8 | 0008 | | - 9 | 0009 | 9 | 0009 - | | -1 | - | | 2 | 0002 - | | 7 | 0007 -(10 rows) - --- 3-way join to test the NULL partition of a join relation -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) LEFT JOIN plt1_adv t3 ON (t1.a = t3.a AND t1.c = t3.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t3_1.a = t1_1.a) AND (t3_1.c = t1_1.c)) - -> Seq Scan on plt1_adv_p1 t3_1 - -> Hash - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t3_2.a = t1_2.a) AND (t3_2.c = t1_2.c)) - -> Seq Scan on plt1_adv_p2 t3_2 - -> Hash - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_2 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t3_3.a = t1_3.a) AND (t3_3.c = t1_3.c)) - -> Seq Scan on plt1_adv_p3 t3_3 - -> Hash - -> Hash Right Join - Hash Cond: ((t2_3.a = t1_3.a) AND (t2_3.c = t1_3.c)) - -> Seq Scan on plt2_adv_p3 t2_3 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_3 - Filter: (b < 10) - -> Nested Loop Left Join - Join Filter: ((t1_4.a = t3_4.a) AND (t1_4.c = t3_4.c)) - -> Nested Loop Left Join - Join Filter: ((t1_4.a = t2_4.a) AND (t1_4.c = t2_4.c)) - -> Seq Scan on plt1_adv_extra t1_4 - Filter: (b < 10) - -> Seq Scan on plt2_adv_extra t2_4 - -> Seq Scan on plt1_adv_extra t3_4 -(41 rows) - -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) LEFT JOIN plt1_adv t3 ON (t1.a = t3.a AND t1.c = t3.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c | a | c -----+------+---+------+---+------ - -1 | | | | | - 1 | 0001 | | | 1 | 0001 - 3 | 0003 | 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 | 6 | 0006 - 8 | 0008 | | | 8 | 0008 - 9 | 0009 | 9 | 0009 | 9 | 0009 -(7 rows) - -DROP TABLE plt1_adv_extra; -DROP TABLE plt2_adv_extra; --- Test default partitions -ALTER TABLE plt1_adv DETACH PARTITION plt1_adv_p1; --- Change plt1_adv_p1 to the default partition -ALTER TABLE plt1_adv ATTACH PARTITION plt1_adv_p1 DEFAULT; -DROP TABLE plt1_adv_p3; -ANALYZE plt1_adv; -DROP TABLE plt2_adv_p3; -ANALYZE plt2_adv; --- We can do partitioned join even if only one of relations has the default --- partition -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_2.a) AND (t2_1.c = t1_2.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_1.a) AND (t2_2.c = t1_1.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_1 - Filter: (b < 10) -(15 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 -(3 rows) - -ALTER TABLE plt2_adv DETACH PARTITION plt2_adv_p2; --- Change plt2_adv_p2 to contain '0005' in addition to '0004' and '0006' as --- the key values -CREATE TABLE plt2_adv_p2_ext PARTITION OF plt2_adv FOR VALUES IN ('0004', '0005', '0006'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (4, 5, 6); -ANALYZE plt2_adv; --- Partitioned join can't be applied because the default partition of plt1_adv --- matches plt2_adv_p1 and plt2_adv_p2_ext -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_ext t2_2 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p2 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p1 t1_2 - Filter: (b < 10) -(13 rows) - -ALTER TABLE plt2_adv DETACH PARTITION plt2_adv_p2_ext; --- Change plt2_adv_p2_ext to the default partition -ALTER TABLE plt2_adv ATTACH PARTITION plt2_adv_p2_ext DEFAULT; -ANALYZE plt2_adv; --- Partitioned join can't be applied because the default partition of plt1_adv --- matches plt2_adv_p1 and plt2_adv_p2_ext -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Append - -> Seq Scan on plt2_adv_p1 t2_1 - -> Seq Scan on plt2_adv_p2_ext t2_2 - -> Hash - -> Append - -> Seq Scan on plt1_adv_p2 t1_1 - Filter: (b < 10) - -> Seq Scan on plt1_adv_p1 t1_2 - Filter: (b < 10) -(13 rows) - -DROP TABLE plt2_adv_p2_ext; --- Restore plt2_adv_p2 -ALTER TABLE plt2_adv ATTACH PARTITION plt2_adv_p2 FOR VALUES IN ('0004', '0006'); -ANALYZE plt2_adv; -CREATE TABLE plt3_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt3_adv_p1 PARTITION OF plt3_adv FOR VALUES IN ('0004', '0006'); -CREATE TABLE plt3_adv_p2 PARTITION OF plt3_adv FOR VALUES IN ('0007', '0009'); -INSERT INTO plt3_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (4, 6, 7, 9); -ANALYZE plt3_adv; --- 3-way join to test the default partition of a join relation -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) LEFT JOIN plt3_adv t3 ON (t1.a = t3.a AND t1.c = t3.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Right Join - Hash Cond: ((t3_1.a = t1_1.a) AND (t3_1.c = t1_1.c)) - -> Seq Scan on plt3_adv_p1 t3_1 - -> Hash - -> Hash Right Join - Hash Cond: ((t2_2.a = t1_1.a) AND (t2_2.c = t1_1.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_1 - Filter: (b < 10) - -> Hash Right Join - Hash Cond: ((t3_2.a = t1_2.a) AND (t3_2.c = t1_2.c)) - -> Seq Scan on plt3_adv_p2 t3_2 - -> Hash - -> Hash Right Join - Hash Cond: ((t2_1.a = t1_2.a) AND (t2_1.c = t1_2.c)) - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_2 - Filter: (b < 10) -(23 rows) - -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) LEFT JOIN plt3_adv t3 ON (t1.a = t3.a AND t1.c = t3.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c | a | c ----+------+---+------+---+------ - 1 | 0001 | | | | - 3 | 0003 | 3 | 0003 | | - 4 | 0004 | 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 | 6 | 0006 -(4 rows) - --- Test cases where one side has the default partition while the other side --- has the NULL partition -DROP TABLE plt2_adv_p1; --- Add the NULL partition to plt2_adv -CREATE TABLE plt2_adv_p1_null PARTITION OF plt2_adv FOR VALUES IN (NULL, '0001', '0003'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (1, 3); -INSERT INTO plt2_adv VALUES (-1, -1, NULL); -ANALYZE plt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_2.a) AND (t2_1.c = t1_2.c)) - -> Seq Scan on plt2_adv_p1_null t2_1 - -> Hash - -> Seq Scan on plt1_adv_p1 t1_2 - Filter: (b < 10) - -> Hash Join - Hash Cond: ((t2_2.a = t1_1.a) AND (t2_2.c = t1_1.c)) - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1_1 - Filter: (b < 10) -(15 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 1 | 0001 | 1 | 0001 - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 -(4 rows) - -DROP TABLE plt2_adv_p1_null; --- Add the NULL partition that contains only NULL values as the key values -CREATE TABLE plt2_adv_p1_null PARTITION OF plt2_adv FOR VALUES IN (NULL); -INSERT INTO plt2_adv VALUES (-1, -1, NULL); -ANALYZE plt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Seq Scan on plt2_adv_p2 t2 - -> Hash - -> Seq Scan on plt1_adv_p2 t1 - Filter: (b < 10) -(8 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 4 | 0004 | 4 | 0004 - 6 | 0006 | 6 | 0006 -(2 rows) - -DROP TABLE plt1_adv; -DROP TABLE plt2_adv; -DROP TABLE plt3_adv; --- Test interaction of partitioned join with partition pruning -CREATE TABLE plt1_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt1_adv_p1 PARTITION OF plt1_adv FOR VALUES IN ('0001'); -CREATE TABLE plt1_adv_p2 PARTITION OF plt1_adv FOR VALUES IN ('0002'); -CREATE TABLE plt1_adv_p3 PARTITION OF plt1_adv FOR VALUES IN ('0003'); -CREATE TABLE plt1_adv_p4 PARTITION OF plt1_adv FOR VALUES IN (NULL, '0004', '0005'); -INSERT INTO plt1_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (1, 2, 3, 4, 5); -INSERT INTO plt1_adv VALUES (-1, -1, NULL); -ANALYZE plt1_adv; -CREATE TABLE plt2_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt2_adv_p1 PARTITION OF plt2_adv FOR VALUES IN ('0001', '0002'); -CREATE TABLE plt2_adv_p2 PARTITION OF plt2_adv FOR VALUES IN (NULL); -CREATE TABLE plt2_adv_p3 PARTITION OF plt2_adv FOR VALUES IN ('0003'); -CREATE TABLE plt2_adv_p4 PARTITION OF plt2_adv FOR VALUES IN ('0004', '0005'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 10, 'FM0000') FROM generate_series(1, 299) i WHERE i % 10 IN (1, 2, 3, 4, 5); -INSERT INTO plt2_adv VALUES (-1, -1, NULL); -ANALYZE plt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IN ('0003', '0004', '0005') AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p3 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_1 - Filter: ((b < 10) AND (c = ANY ('{0003,0004,0005}'::text[]))) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p4 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p4 t1_2 - Filter: ((b < 10) AND (c = ANY ('{0003,0004,0005}'::text[]))) -(15 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IN ('0003', '0004', '0005') AND t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 5 | 0005 | 5 | 0005 -(3 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IS NULL AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Seq Scan on plt2_adv_p4 t2 - -> Hash - -> Seq Scan on plt1_adv_p4 t1 - Filter: ((c IS NULL) AND (b < 10)) -(8 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IS NULL AND t1.b < 10 ORDER BY t1.a; - a | c | a | c -----+---+---+--- - -1 | | | -(1 row) - -CREATE TABLE plt1_adv_default PARTITION OF plt1_adv DEFAULT; -ANALYZE plt1_adv; -CREATE TABLE plt2_adv_default PARTITION OF plt2_adv DEFAULT; -ANALYZE plt2_adv; -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IN ('0003', '0004', '0005') AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN ------------------------------------------------------------------------------------------ - Sort - Sort Key: t1.a - -> Append - -> Hash Join - Hash Cond: ((t2_1.a = t1_1.a) AND (t2_1.c = t1_1.c)) - -> Seq Scan on plt2_adv_p3 t2_1 - -> Hash - -> Seq Scan on plt1_adv_p3 t1_1 - Filter: ((b < 10) AND (c = ANY ('{0003,0004,0005}'::text[]))) - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.c = t1_2.c)) - -> Seq Scan on plt2_adv_p4 t2_2 - -> Hash - -> Seq Scan on plt1_adv_p4 t1_2 - Filter: ((b < 10) AND (c = ANY ('{0003,0004,0005}'::text[]))) -(15 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 INNER JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IN ('0003', '0004', '0005') AND t1.b < 10 ORDER BY t1.a; - a | c | a | c ----+------+---+------ - 3 | 0003 | 3 | 0003 - 4 | 0004 | 4 | 0004 - 5 | 0005 | 5 | 0005 -(3 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IS NULL AND t1.b < 10 ORDER BY t1.a; - QUERY PLAN --------------------------------------------------------- - Sort - Sort Key: t1.a - -> Hash Right Join - Hash Cond: ((t2.a = t1.a) AND (t2.c = t1.c)) - -> Seq Scan on plt2_adv_p4 t2 - -> Hash - -> Seq Scan on plt1_adv_p4 t1 - Filter: ((c IS NULL) AND (b < 10)) -(8 rows) - -SELECT t1.a, t1.c, t2.a, t2.c FROM plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE t1.c IS NULL AND t1.b < 10 ORDER BY t1.a; - a | c | a | c -----+---+---+--- - -1 | | | -(1 row) - -DROP TABLE plt1_adv; -DROP TABLE plt2_adv; --- Test the process_outer_partition() code path -CREATE TABLE plt1_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt1_adv_p1 PARTITION OF plt1_adv FOR VALUES IN ('0000', '0001', '0002'); -CREATE TABLE plt1_adv_p2 PARTITION OF plt1_adv FOR VALUES IN ('0003', '0004'); -INSERT INTO plt1_adv SELECT i, i, to_char(i % 5, 'FM0000') FROM generate_series(0, 24) i; -ANALYZE plt1_adv; -CREATE TABLE plt2_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt2_adv_p1 PARTITION OF plt2_adv FOR VALUES IN ('0002'); -CREATE TABLE plt2_adv_p2 PARTITION OF plt2_adv FOR VALUES IN ('0003', '0004'); -INSERT INTO plt2_adv SELECT i, i, to_char(i % 5, 'FM0000') FROM generate_series(0, 24) i WHERE i % 5 IN (2, 3, 4); -ANALYZE plt2_adv; -CREATE TABLE plt3_adv (a int, b int, c text) PARTITION BY LIST (c); -CREATE TABLE plt3_adv_p1 PARTITION OF plt3_adv FOR VALUES IN ('0001'); -CREATE TABLE plt3_adv_p2 PARTITION OF plt3_adv FOR VALUES IN ('0003', '0004'); -INSERT INTO plt3_adv SELECT i, i, to_char(i % 5, 'FM0000') FROM generate_series(0, 24) i WHERE i % 5 IN (1, 3, 4); -ANALYZE plt3_adv; --- This tests that when merging partitions from plt1_adv and plt2_adv in --- merge_list_bounds(), process_outer_partition() returns an already-assigned --- merged partition when re-called with plt1_adv_p1 for the second list value --- '0001' of that partition -EXPLAIN (COSTS OFF) -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM (plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.c = t2.c)) FULL JOIN plt3_adv t3 ON (t1.c = t3.c) WHERE coalesce(t1.a, 0) % 5 != 3 AND coalesce(t1.a, 0) % 5 != 4 ORDER BY t1.c, t1.a, t2.a, t3.a; - QUERY PLAN ------------------------------------------------------------------------------------------------ - Sort - Sort Key: t1.c, t1.a, t2.a, t3.a - -> Append - -> Hash Full Join - Hash Cond: (t1_1.c = t3_1.c) - Filter: (((COALESCE(t1_1.a, 0) % 5) <> 3) AND ((COALESCE(t1_1.a, 0) % 5) <> 4)) - -> Hash Left Join - Hash Cond: (t1_1.c = t2_1.c) - -> Seq Scan on plt1_adv_p1 t1_1 - -> Hash - -> Seq Scan on plt2_adv_p1 t2_1 - -> Hash - -> Seq Scan on plt3_adv_p1 t3_1 - -> Hash Full Join - Hash Cond: (t1_2.c = t3_2.c) - Filter: (((COALESCE(t1_2.a, 0) % 5) <> 3) AND ((COALESCE(t1_2.a, 0) % 5) <> 4)) - -> Hash Left Join - Hash Cond: (t1_2.c = t2_2.c) - -> Seq Scan on plt1_adv_p2 t1_2 - -> Hash - -> Seq Scan on plt2_adv_p2 t2_2 - -> Hash - -> Seq Scan on plt3_adv_p2 t3_2 -(23 rows) - -SELECT t1.a, t1.c, t2.a, t2.c, t3.a, t3.c FROM (plt1_adv t1 LEFT JOIN plt2_adv t2 ON (t1.c = t2.c)) FULL JOIN plt3_adv t3 ON (t1.c = t3.c) WHERE coalesce(t1.a, 0) % 5 != 3 AND coalesce(t1.a, 0) % 5 != 4 ORDER BY t1.c, t1.a, t2.a, t3.a; - a | c | a | c | a | c -----+------+----+------+----+------ - 0 | 0000 | | | | - 5 | 0000 | | | | - 10 | 0000 | | | | - 15 | 0000 | | | | - 20 | 0000 | | | | - 1 | 0001 | | | 1 | 0001 - 1 | 0001 | | | 6 | 0001 - 1 | 0001 | | | 11 | 0001 - 1 | 0001 | | | 16 | 0001 - 1 | 0001 | | | 21 | 0001 - 6 | 0001 | | | 1 | 0001 - 6 | 0001 | | | 6 | 0001 - 6 | 0001 | | | 11 | 0001 - 6 | 0001 | | | 16 | 0001 - 6 | 0001 | | | 21 | 0001 - 11 | 0001 | | | 1 | 0001 - 11 | 0001 | | | 6 | 0001 - 11 | 0001 | | | 11 | 0001 - 11 | 0001 | | | 16 | 0001 - 11 | 0001 | | | 21 | 0001 - 16 | 0001 | | | 1 | 0001 - 16 | 0001 | | | 6 | 0001 - 16 | 0001 | | | 11 | 0001 - 16 | 0001 | | | 16 | 0001 - 16 | 0001 | | | 21 | 0001 - 21 | 0001 | | | 1 | 0001 - 21 | 0001 | | | 6 | 0001 - 21 | 0001 | | | 11 | 0001 - 21 | 0001 | | | 16 | 0001 - 21 | 0001 | | | 21 | 0001 - 2 | 0002 | 2 | 0002 | | - 2 | 0002 | 7 | 0002 | | - 2 | 0002 | 12 | 0002 | | - 2 | 0002 | 17 | 0002 | | - 2 | 0002 | 22 | 0002 | | - 7 | 0002 | 2 | 0002 | | - 7 | 0002 | 7 | 0002 | | - 7 | 0002 | 12 | 0002 | | - 7 | 0002 | 17 | 0002 | | - 7 | 0002 | 22 | 0002 | | - 12 | 0002 | 2 | 0002 | | - 12 | 0002 | 7 | 0002 | | - 12 | 0002 | 12 | 0002 | | - 12 | 0002 | 17 | 0002 | | - 12 | 0002 | 22 | 0002 | | - 17 | 0002 | 2 | 0002 | | - 17 | 0002 | 7 | 0002 | | - 17 | 0002 | 12 | 0002 | | - 17 | 0002 | 17 | 0002 | | - 17 | 0002 | 22 | 0002 | | - 22 | 0002 | 2 | 0002 | | - 22 | 0002 | 7 | 0002 | | - 22 | 0002 | 12 | 0002 | | - 22 | 0002 | 17 | 0002 | | - 22 | 0002 | 22 | 0002 | | -(55 rows) - -DROP TABLE plt1_adv; -DROP TABLE plt2_adv; -DROP TABLE plt3_adv; --- Tests for multi-level partitioned tables -CREATE TABLE alpha (a double precision, b int, c text) PARTITION BY RANGE (a); -CREATE TABLE alpha_neg PARTITION OF alpha FOR VALUES FROM ('-Infinity') TO (0) PARTITION BY RANGE (b); -CREATE TABLE alpha_pos PARTITION OF alpha FOR VALUES FROM (0) TO (10.0) PARTITION BY LIST (c); -CREATE TABLE alpha_neg_p1 PARTITION OF alpha_neg FOR VALUES FROM (100) TO (200); -CREATE TABLE alpha_neg_p2 PARTITION OF alpha_neg FOR VALUES FROM (200) TO (300); -CREATE TABLE alpha_neg_p3 PARTITION OF alpha_neg FOR VALUES FROM (300) TO (400); -CREATE TABLE alpha_pos_p1 PARTITION OF alpha_pos FOR VALUES IN ('0001', '0003'); -CREATE TABLE alpha_pos_p2 PARTITION OF alpha_pos FOR VALUES IN ('0004', '0006'); -CREATE TABLE alpha_pos_p3 PARTITION OF alpha_pos FOR VALUES IN ('0008', '0009'); -INSERT INTO alpha_neg SELECT -1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(100, 399) i WHERE i % 10 IN (1, 3, 4, 6, 8, 9); -INSERT INTO alpha_pos SELECT 1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(100, 399) i WHERE i % 10 IN (1, 3, 4, 6, 8, 9); -ANALYZE alpha; -CREATE TABLE beta (a double precision, b int, c text) PARTITION BY RANGE (a); -CREATE TABLE beta_neg PARTITION OF beta FOR VALUES FROM (-10.0) TO (0) PARTITION BY RANGE (b); -CREATE TABLE beta_pos PARTITION OF beta FOR VALUES FROM (0) TO ('Infinity') PARTITION BY LIST (c); -CREATE TABLE beta_neg_p1 PARTITION OF beta_neg FOR VALUES FROM (100) TO (150); -CREATE TABLE beta_neg_p2 PARTITION OF beta_neg FOR VALUES FROM (200) TO (300); -CREATE TABLE beta_neg_p3 PARTITION OF beta_neg FOR VALUES FROM (350) TO (500); -CREATE TABLE beta_pos_p1 PARTITION OF beta_pos FOR VALUES IN ('0002', '0003'); -CREATE TABLE beta_pos_p2 PARTITION OF beta_pos FOR VALUES IN ('0004', '0006'); -CREATE TABLE beta_pos_p3 PARTITION OF beta_pos FOR VALUES IN ('0007', '0009'); -INSERT INTO beta_neg SELECT -1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(100, 149) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -INSERT INTO beta_neg SELECT -1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(200, 299) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -INSERT INTO beta_neg SELECT -1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(350, 499) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -INSERT INTO beta_pos SELECT 1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(100, 149) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -INSERT INTO beta_pos SELECT 1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(200, 299) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -INSERT INTO beta_pos SELECT 1.0, i, to_char(i % 10, 'FM0000') FROM generate_series(350, 499) i WHERE i % 10 IN (2, 3, 4, 6, 7, 9); -ANALYZE beta; -EXPLAIN (COSTS OFF) -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.b = t2.b) WHERE t1.b >= 125 AND t1.b < 225 ORDER BY t1.a, t1.b; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: t1.a, t1.b - -> Append - -> Hash Join - Hash Cond: ((t1_1.a = t2_1.a) AND (t1_1.b = t2_1.b)) - -> Seq Scan on alpha_neg_p1 t1_1 - Filter: ((b >= 125) AND (b < 225)) - -> Hash - -> Seq Scan on beta_neg_p1 t2_1 - -> Hash Join - Hash Cond: ((t2_2.a = t1_2.a) AND (t2_2.b = t1_2.b)) - -> Seq Scan on beta_neg_p2 t2_2 - -> Hash - -> Seq Scan on alpha_neg_p2 t1_2 - Filter: ((b >= 125) AND (b < 225)) - -> Hash Join - Hash Cond: ((t2_4.a = t1_4.a) AND (t2_4.b = t1_4.b)) - -> Append - -> Seq Scan on beta_pos_p1 t2_4 - -> Seq Scan on beta_pos_p2 t2_5 - -> Seq Scan on beta_pos_p3 t2_6 - -> Hash - -> Append - -> Seq Scan on alpha_pos_p1 t1_4 - Filter: ((b >= 125) AND (b < 225)) - -> Seq Scan on alpha_pos_p2 t1_5 - Filter: ((b >= 125) AND (b < 225)) - -> Seq Scan on alpha_pos_p3 t1_6 - Filter: ((b >= 125) AND (b < 225)) -(29 rows) - -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.b = t2.b) WHERE t1.b >= 125 AND t1.b < 225 ORDER BY t1.a, t1.b; - a | b | c | a | b | c -----+-----+------+----+-----+------ - -1 | 126 | 0006 | -1 | 126 | 0006 - -1 | 129 | 0009 | -1 | 129 | 0009 - -1 | 133 | 0003 | -1 | 133 | 0003 - -1 | 134 | 0004 | -1 | 134 | 0004 - -1 | 136 | 0006 | -1 | 136 | 0006 - -1 | 139 | 0009 | -1 | 139 | 0009 - -1 | 143 | 0003 | -1 | 143 | 0003 - -1 | 144 | 0004 | -1 | 144 | 0004 - -1 | 146 | 0006 | -1 | 146 | 0006 - -1 | 149 | 0009 | -1 | 149 | 0009 - -1 | 203 | 0003 | -1 | 203 | 0003 - -1 | 204 | 0004 | -1 | 204 | 0004 - -1 | 206 | 0006 | -1 | 206 | 0006 - -1 | 209 | 0009 | -1 | 209 | 0009 - -1 | 213 | 0003 | -1 | 213 | 0003 - -1 | 214 | 0004 | -1 | 214 | 0004 - -1 | 216 | 0006 | -1 | 216 | 0006 - -1 | 219 | 0009 | -1 | 219 | 0009 - -1 | 223 | 0003 | -1 | 223 | 0003 - -1 | 224 | 0004 | -1 | 224 | 0004 - 1 | 126 | 0006 | 1 | 126 | 0006 - 1 | 129 | 0009 | 1 | 129 | 0009 - 1 | 133 | 0003 | 1 | 133 | 0003 - 1 | 134 | 0004 | 1 | 134 | 0004 - 1 | 136 | 0006 | 1 | 136 | 0006 - 1 | 139 | 0009 | 1 | 139 | 0009 - 1 | 143 | 0003 | 1 | 143 | 0003 - 1 | 144 | 0004 | 1 | 144 | 0004 - 1 | 146 | 0006 | 1 | 146 | 0006 - 1 | 149 | 0009 | 1 | 149 | 0009 - 1 | 203 | 0003 | 1 | 203 | 0003 - 1 | 204 | 0004 | 1 | 204 | 0004 - 1 | 206 | 0006 | 1 | 206 | 0006 - 1 | 209 | 0009 | 1 | 209 | 0009 - 1 | 213 | 0003 | 1 | 213 | 0003 - 1 | 214 | 0004 | 1 | 214 | 0004 - 1 | 216 | 0006 | 1 | 216 | 0006 - 1 | 219 | 0009 | 1 | 219 | 0009 - 1 | 223 | 0003 | 1 | 223 | 0003 - 1 | 224 | 0004 | 1 | 224 | 0004 -(40 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE ((t1.b >= 100 AND t1.b < 110) OR (t1.b >= 200 AND t1.b < 210)) AND ((t2.b >= 100 AND t2.b < 110) OR (t2.b >= 200 AND t2.b < 210)) AND t1.c IN ('0004', '0009') ORDER BY t1.a, t1.b, t2.b; - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t1.b, t2.b - -> Append - -> Hash Join - Hash Cond: ((t1_2.a = t2_2.a) AND (t1_2.c = t2_2.c)) - -> Append - -> Seq Scan on alpha_neg_p1 t1_2 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Seq Scan on alpha_neg_p2 t1_3 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Hash - -> Append - -> Seq Scan on beta_neg_p1 t2_2 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Seq Scan on beta_neg_p2 t2_3 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Nested Loop - Join Filter: ((t1_4.a = t2_4.a) AND (t1_4.c = t2_4.c)) - -> Seq Scan on alpha_pos_p2 t1_4 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Seq Scan on beta_pos_p2 t2_4 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Nested Loop - Join Filter: ((t1_5.a = t2_5.a) AND (t1_5.c = t2_5.c)) - -> Seq Scan on alpha_pos_p3 t1_5 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Seq Scan on beta_pos_p3 t2_5 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) -(28 rows) - -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.c = t2.c) WHERE ((t1.b >= 100 AND t1.b < 110) OR (t1.b >= 200 AND t1.b < 210)) AND ((t2.b >= 100 AND t2.b < 110) OR (t2.b >= 200 AND t2.b < 210)) AND t1.c IN ('0004', '0009') ORDER BY t1.a, t1.b, t2.b; - a | b | c | a | b | c -----+-----+------+----+-----+------ - -1 | 104 | 0004 | -1 | 104 | 0004 - -1 | 104 | 0004 | -1 | 204 | 0004 - -1 | 109 | 0009 | -1 | 109 | 0009 - -1 | 109 | 0009 | -1 | 209 | 0009 - -1 | 204 | 0004 | -1 | 104 | 0004 - -1 | 204 | 0004 | -1 | 204 | 0004 - -1 | 209 | 0009 | -1 | 109 | 0009 - -1 | 209 | 0009 | -1 | 209 | 0009 - 1 | 104 | 0004 | 1 | 104 | 0004 - 1 | 104 | 0004 | 1 | 204 | 0004 - 1 | 109 | 0009 | 1 | 109 | 0009 - 1 | 109 | 0009 | 1 | 209 | 0009 - 1 | 204 | 0004 | 1 | 104 | 0004 - 1 | 204 | 0004 | 1 | 204 | 0004 - 1 | 209 | 0009 | 1 | 109 | 0009 - 1 | 209 | 0009 | 1 | 209 | 0009 -(16 rows) - -EXPLAIN (COSTS OFF) -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.b = t2.b AND t1.c = t2.c) WHERE ((t1.b >= 100 AND t1.b < 110) OR (t1.b >= 200 AND t1.b < 210)) AND ((t2.b >= 100 AND t2.b < 110) OR (t2.b >= 200 AND t2.b < 210)) AND t1.c IN ('0004', '0009') ORDER BY t1.a, t1.b; - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------- - Sort - Sort Key: t1.a, t1.b - -> Append - -> Hash Join - Hash Cond: ((t1_1.a = t2_1.a) AND (t1_1.b = t2_1.b) AND (t1_1.c = t2_1.c)) - -> Seq Scan on alpha_neg_p1 t1_1 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Hash - -> Seq Scan on beta_neg_p1 t2_1 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Hash Join - Hash Cond: ((t1_2.a = t2_2.a) AND (t1_2.b = t2_2.b) AND (t1_2.c = t2_2.c)) - -> Seq Scan on alpha_neg_p2 t1_2 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Hash - -> Seq Scan on beta_neg_p2 t2_2 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Nested Loop - Join Filter: ((t1_3.a = t2_3.a) AND (t1_3.b = t2_3.b) AND (t1_3.c = t2_3.c)) - -> Seq Scan on alpha_pos_p2 t1_3 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Seq Scan on beta_pos_p2 t2_3 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) - -> Nested Loop - Join Filter: ((t1_4.a = t2_4.a) AND (t1_4.b = t2_4.b) AND (t1_4.c = t2_4.c)) - -> Seq Scan on alpha_pos_p3 t1_4 - Filter: ((c = ANY ('{0004,0009}'::text[])) AND (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210)))) - -> Seq Scan on beta_pos_p3 t2_4 - Filter: (((b >= 100) AND (b < 110)) OR ((b >= 200) AND (b < 210))) -(29 rows) - -SELECT t1.*, t2.* FROM alpha t1 INNER JOIN beta t2 ON (t1.a = t2.a AND t1.b = t2.b AND t1.c = t2.c) WHERE ((t1.b >= 100 AND t1.b < 110) OR (t1.b >= 200 AND t1.b < 210)) AND ((t2.b >= 100 AND t2.b < 110) OR (t2.b >= 200 AND t2.b < 210)) AND t1.c IN ('0004', '0009') ORDER BY t1.a, t1.b; - a | b | c | a | b | c -----+-----+------+----+-----+------ - -1 | 104 | 0004 | -1 | 104 | 0004 - -1 | 109 | 0009 | -1 | 109 | 0009 - -1 | 204 | 0004 | -1 | 204 | 0004 - -1 | 209 | 0009 | -1 | 209 | 0009 - 1 | 104 | 0004 | 1 | 104 | 0004 - 1 | 109 | 0009 | 1 | 109 | 0009 - 1 | 204 | 0004 | 1 | 204 | 0004 - 1 | 209 | 0009 | 1 | 209 | 0009 -(8 rows) - --- partitionwise join with fractional paths -CREATE TABLE fract_t (id BIGINT, PRIMARY KEY (id)) PARTITION BY RANGE (id); -CREATE TABLE fract_t0 PARTITION OF fract_t FOR VALUES FROM ('0') TO ('1000'); -CREATE TABLE fract_t1 PARTITION OF fract_t FOR VALUES FROM ('1000') TO ('2000'); --- insert data -INSERT INTO fract_t (id) (SELECT generate_series(0, 1999)); -ANALYZE fract_t; --- verify plan; nested index only scans -SET max_parallel_workers_per_gather = 0; -SET enable_partitionwise_join = on; -EXPLAIN (COSTS OFF) -SELECT x.id, y.id FROM fract_t x LEFT JOIN fract_t y USING (id) ORDER BY x.id ASC LIMIT 10; - QUERY PLAN ------------------------------------------------------------------------ - Limit - -> Merge Append - Sort Key: x.id - -> Merge Left Join - Merge Cond: (x_1.id = y_1.id) - -> Index Only Scan using fract_t0_pkey on fract_t0 x_1 - -> Index Only Scan using fract_t0_pkey on fract_t0 y_1 - -> Merge Left Join - Merge Cond: (x_2.id = y_2.id) - -> Index Only Scan using fract_t1_pkey on fract_t1 x_2 - -> Index Only Scan using fract_t1_pkey on fract_t1 y_2 -(11 rows) - -EXPLAIN (COSTS OFF) -SELECT x.id, y.id FROM fract_t x LEFT JOIN fract_t y USING (id) ORDER BY x.id DESC LIMIT 10; - QUERY PLAN --------------------------------------------------------------------------------- - Limit - -> Merge Append - Sort Key: x.id DESC - -> Nested Loop Left Join - -> Index Only Scan Backward using fract_t0_pkey on fract_t0 x_1 - -> Index Only Scan using fract_t0_pkey on fract_t0 y_1 - Index Cond: (id = x_1.id) - -> Nested Loop Left Join - -> Index Only Scan Backward using fract_t1_pkey on fract_t1 x_2 - -> Index Only Scan using fract_t1_pkey on fract_t1 y_2 - Index Cond: (id = x_2.id) -(11 rows) - -EXPLAIN (COSTS OFF) -- Should use NestLoop with parameterised inner scan -SELECT x.id, y.id FROM fract_t x LEFT JOIN fract_t y USING (id) -ORDER BY x.id DESC LIMIT 2; - QUERY PLAN --------------------------------------------------------------------------------- - Limit - -> Merge Append - Sort Key: x.id DESC - -> Nested Loop Left Join - -> Index Only Scan Backward using fract_t0_pkey on fract_t0 x_1 - -> Index Only Scan using fract_t0_pkey on fract_t0 y_1 - Index Cond: (id = x_1.id) - -> Nested Loop Left Join - -> Index Only Scan Backward using fract_t1_pkey on fract_t1 x_2 - -> Index Only Scan using fract_t1_pkey on fract_t1 y_2 - Index Cond: (id = x_2.id) -(11 rows) - --- --- Test Append's fractional paths --- -CREATE INDEX pht1_c_idx ON pht1(c); --- SeqScan might be the best choice if we need one single tuple -EXPLAIN (COSTS OFF) SELECT * FROM pht1 p1 JOIN pht1 p2 USING (c) LIMIT 1; - QUERY PLAN --------------------------------------------------- - Limit - -> Append - -> Nested Loop - Join Filter: (p1_1.c = p2_1.c) - -> Seq Scan on pht1_p1 p1_1 - -> Materialize - -> Seq Scan on pht1_p1 p2_1 - -> Nested Loop - Join Filter: (p1_2.c = p2_2.c) - -> Seq Scan on pht1_p2 p1_2 - -> Materialize - -> Seq Scan on pht1_p2 p2_2 - -> Nested Loop - Join Filter: (p1_3.c = p2_3.c) - -> Seq Scan on pht1_p3 p1_3 - -> Materialize - -> Seq Scan on pht1_p3 p2_3 -(17 rows) - --- Increase number of tuples requested and an IndexScan will be chosen -EXPLAIN (COSTS OFF) SELECT * FROM pht1 p1 JOIN pht1 p2 USING (c) LIMIT 100; - QUERY PLAN ------------------------------------------------------------------------- - Limit - -> Append - -> Nested Loop - -> Seq Scan on pht1_p1 p1_1 - -> Memoize - Cache Key: p1_1.c - Cache Mode: logical - -> Index Scan using pht1_p1_c_idx on pht1_p1 p2_1 - Index Cond: (c = p1_1.c) - -> Nested Loop - -> Seq Scan on pht1_p2 p1_2 - -> Memoize - Cache Key: p1_2.c - Cache Mode: logical - -> Index Scan using pht1_p2_c_idx on pht1_p2 p2_2 - Index Cond: (c = p1_2.c) - -> Nested Loop - -> Seq Scan on pht1_p3 p1_3 - -> Memoize - Cache Key: p1_3.c - Cache Mode: logical - -> Index Scan using pht1_p3_c_idx on pht1_p3 p2_3 - Index Cond: (c = p1_3.c) -(23 rows) - --- If almost all the data should be fetched - prefer SeqScan -EXPLAIN (COSTS OFF) SELECT * FROM pht1 p1 JOIN pht1 p2 USING (c) LIMIT 1000; - QUERY PLAN --------------------------------------------------- - Limit - -> Append - -> Hash Join - Hash Cond: (p1_1.c = p2_1.c) - -> Seq Scan on pht1_p1 p1_1 - -> Hash - -> Seq Scan on pht1_p1 p2_1 - -> Hash Join - Hash Cond: (p1_2.c = p2_2.c) - -> Seq Scan on pht1_p2 p1_2 - -> Hash - -> Seq Scan on pht1_p2 p2_2 - -> Hash Join - Hash Cond: (p1_3.c = p2_3.c) - -> Seq Scan on pht1_p3 p1_3 - -> Hash - -> Seq Scan on pht1_p3 p2_3 -(17 rows) - -SET max_parallel_workers_per_gather = 1; -SET debug_parallel_query = on; --- Partial paths should also be smart enough to employ limits -EXPLAIN (COSTS OFF) SELECT * FROM pht1 p1 JOIN pht1 p2 USING (c) LIMIT 100; - QUERY PLAN ------------------------------------------------------------------------------- - Gather - Workers Planned: 1 - Single Copy: true - -> Limit - -> Append - -> Nested Loop - -> Seq Scan on pht1_p1 p1_1 - -> Memoize - Cache Key: p1_1.c - Cache Mode: logical - -> Index Scan using pht1_p1_c_idx on pht1_p1 p2_1 - Index Cond: (c = p1_1.c) - -> Nested Loop - -> Seq Scan on pht1_p2 p1_2 - -> Memoize - Cache Key: p1_2.c - Cache Mode: logical - -> Index Scan using pht1_p2_c_idx on pht1_p2 p2_2 - Index Cond: (c = p1_2.c) - -> Nested Loop - -> Seq Scan on pht1_p3 p1_3 - -> Memoize - Cache Key: p1_3.c - Cache Mode: logical - -> Index Scan using pht1_p3_c_idx on pht1_p3 p2_3 - Index Cond: (c = p1_3.c) -(26 rows) - -RESET debug_parallel_query; --- Remove indexes from the partitioned table and its partitions -DROP INDEX pht1_c_idx CASCADE; --- cleanup -DROP TABLE fract_t; -RESET max_parallel_workers_per_gather; -RESET enable_partitionwise_join; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/partition_prune.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_prune.out --- /tmp/cirrus-ci-build/src/test/regress/expected/partition_prune.out 2025-06-04 16:00:28.772451000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_prune.out 2025-06-04 16:05:11.700905000 +0000 @@ -1,4803 +1,2 @@ --- --- Test partitioning planner code --- --- Helper function which can be used for masking out portions of EXPLAIN --- ANALYZE which could contain information that's not consistent on all --- platforms. -create function explain_analyze(query text) returns setof text -language plpgsql as -$$ -declare - ln text; -begin - for ln in - execute format('explain (analyze, costs off, summary off, timing off, buffers off) %s', - query) - loop - ln := regexp_replace(ln, 'Maximum Storage: \d+', 'Maximum Storage: N'); - return next ln; - end loop; -end; -$$; --- Force generic plans to be used for all prepared statements in this file. -set plan_cache_mode = force_generic_plan; -create table lp (a char) partition by list (a); -create table lp_default partition of lp default; -create table lp_ef partition of lp for values in ('e', 'f'); -create table lp_ad partition of lp for values in ('a', 'd'); -create table lp_bc partition of lp for values in ('b', 'c'); -create table lp_g partition of lp for values in ('g'); -create table lp_null partition of lp for values in (null); -explain (costs off) select * from lp; - QUERY PLAN ------------------------------------ - Append - -> Seq Scan on lp_ad lp_1 - -> Seq Scan on lp_bc lp_2 - -> Seq Scan on lp_ef lp_3 - -> Seq Scan on lp_g lp_4 - -> Seq Scan on lp_null lp_5 - -> Seq Scan on lp_default lp_6 -(7 rows) - -explain (costs off) select * from lp where a > 'a' and a < 'd'; - QUERY PLAN ------------------------------------------------------------ - Append - -> Seq Scan on lp_bc lp_1 - Filter: ((a > 'a'::bpchar) AND (a < 'd'::bpchar)) - -> Seq Scan on lp_default lp_2 - Filter: ((a > 'a'::bpchar) AND (a < 'd'::bpchar)) -(5 rows) - -explain (costs off) select * from lp where a > 'a' and a <= 'd'; - QUERY PLAN ------------------------------------------------------------- - Append - -> Seq Scan on lp_ad lp_1 - Filter: ((a > 'a'::bpchar) AND (a <= 'd'::bpchar)) - -> Seq Scan on lp_bc lp_2 - Filter: ((a > 'a'::bpchar) AND (a <= 'd'::bpchar)) - -> Seq Scan on lp_default lp_3 - Filter: ((a > 'a'::bpchar) AND (a <= 'd'::bpchar)) -(7 rows) - -explain (costs off) select * from lp where a = 'a'; - QUERY PLAN ------------------------------ - Seq Scan on lp_ad lp - Filter: (a = 'a'::bpchar) -(2 rows) - -explain (costs off) select * from lp where 'a' = a; /* commuted */ - QUERY PLAN ------------------------------ - Seq Scan on lp_ad lp - Filter: ('a'::bpchar = a) -(2 rows) - -explain (costs off) select * from lp where a is not null; - QUERY PLAN ------------------------------------ - Append - -> Seq Scan on lp_ad lp_1 - Filter: (a IS NOT NULL) - -> Seq Scan on lp_bc lp_2 - Filter: (a IS NOT NULL) - -> Seq Scan on lp_ef lp_3 - Filter: (a IS NOT NULL) - -> Seq Scan on lp_g lp_4 - Filter: (a IS NOT NULL) - -> Seq Scan on lp_default lp_5 - Filter: (a IS NOT NULL) -(11 rows) - -explain (costs off) select * from lp where a is null; - QUERY PLAN ------------------------- - Seq Scan on lp_null lp - Filter: (a IS NULL) -(2 rows) - -explain (costs off) select * from lp where a = 'a' or a = 'c'; - QUERY PLAN ----------------------------------------------------------- - Append - -> Seq Scan on lp_ad lp_1 - Filter: ((a = 'a'::bpchar) OR (a = 'c'::bpchar)) - -> Seq Scan on lp_bc lp_2 - Filter: ((a = 'a'::bpchar) OR (a = 'c'::bpchar)) -(5 rows) - -explain (costs off) select * from lp where a is not null and (a = 'a' or a = 'c'); - QUERY PLAN --------------------------------------------------------------------------------- - Append - -> Seq Scan on lp_ad lp_1 - Filter: ((a IS NOT NULL) AND ((a = 'a'::bpchar) OR (a = 'c'::bpchar))) - -> Seq Scan on lp_bc lp_2 - Filter: ((a IS NOT NULL) AND ((a = 'a'::bpchar) OR (a = 'c'::bpchar))) -(5 rows) - -explain (costs off) select * from lp where a <> 'g'; - QUERY PLAN ------------------------------------- - Append - -> Seq Scan on lp_ad lp_1 - Filter: (a <> 'g'::bpchar) - -> Seq Scan on lp_bc lp_2 - Filter: (a <> 'g'::bpchar) - -> Seq Scan on lp_ef lp_3 - Filter: (a <> 'g'::bpchar) - -> Seq Scan on lp_default lp_4 - Filter: (a <> 'g'::bpchar) -(9 rows) - -explain (costs off) select * from lp where a <> 'a' and a <> 'd'; - QUERY PLAN -------------------------------------------------------------- - Append - -> Seq Scan on lp_bc lp_1 - Filter: ((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) - -> Seq Scan on lp_ef lp_2 - Filter: ((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) - -> Seq Scan on lp_g lp_3 - Filter: ((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) - -> Seq Scan on lp_default lp_4 - Filter: ((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) -(9 rows) - -explain (costs off) select * from lp where a not in ('a', 'd'); - QUERY PLAN ------------------------------------------------- - Append - -> Seq Scan on lp_bc lp_1 - Filter: (a <> ALL ('{a,d}'::bpchar[])) - -> Seq Scan on lp_ef lp_2 - Filter: (a <> ALL ('{a,d}'::bpchar[])) - -> Seq Scan on lp_g lp_3 - Filter: (a <> ALL ('{a,d}'::bpchar[])) - -> Seq Scan on lp_default lp_4 - Filter: (a <> ALL ('{a,d}'::bpchar[])) -(9 rows) - --- collation matches the partitioning collation, pruning works -create table coll_pruning (a text collate "C") partition by list (a); -create table coll_pruning_a partition of coll_pruning for values in ('a'); -create table coll_pruning_b partition of coll_pruning for values in ('b'); -create table coll_pruning_def partition of coll_pruning default; -explain (costs off) select * from coll_pruning where a collate "C" = 'a' collate "C"; - QUERY PLAN ------------------------------------------ - Seq Scan on coll_pruning_a coll_pruning - Filter: (a = 'a'::text COLLATE "C") -(2 rows) - --- collation doesn't match the partitioning collation, no pruning occurs -explain (costs off) select * from coll_pruning where a collate "POSIX" = 'a' collate "POSIX"; - QUERY PLAN ---------------------------------------------------------- - Append - -> Seq Scan on coll_pruning_a coll_pruning_1 - Filter: ((a)::text = 'a'::text COLLATE "POSIX") - -> Seq Scan on coll_pruning_b coll_pruning_2 - Filter: ((a)::text = 'a'::text COLLATE "POSIX") - -> Seq Scan on coll_pruning_def coll_pruning_3 - Filter: ((a)::text = 'a'::text COLLATE "POSIX") -(7 rows) - -create table rlp (a int, b varchar) partition by range (a); -create table rlp_default partition of rlp default partition by list (a); -create table rlp_default_default partition of rlp_default default; -create table rlp_default_10 partition of rlp_default for values in (10); -create table rlp_default_30 partition of rlp_default for values in (30); -create table rlp_default_null partition of rlp_default for values in (null); -create table rlp1 partition of rlp for values from (minvalue) to (1); -create table rlp2 partition of rlp for values from (1) to (10); -create table rlp3 (b varchar, a int) partition by list (b varchar_ops); -create table rlp3_default partition of rlp3 default; -create table rlp3abcd partition of rlp3 for values in ('ab', 'cd'); -create table rlp3efgh partition of rlp3 for values in ('ef', 'gh'); -create table rlp3nullxy partition of rlp3 for values in (null, 'xy'); -alter table rlp attach partition rlp3 for values from (15) to (20); -create table rlp4 partition of rlp for values from (20) to (30) partition by range (a); -create table rlp4_default partition of rlp4 default; -create table rlp4_1 partition of rlp4 for values from (20) to (25); -create table rlp4_2 partition of rlp4 for values from (25) to (29); -create table rlp5 partition of rlp for values from (31) to (maxvalue) partition by range (a); -create table rlp5_default partition of rlp5 default; -create table rlp5_1 partition of rlp5 for values from (31) to (40); -explain (costs off) select * from rlp where a < 1; - QUERY PLAN ----------------------- - Seq Scan on rlp1 rlp - Filter: (a < 1) -(2 rows) - -explain (costs off) select * from rlp where 1 > a; /* commuted */ - QUERY PLAN ----------------------- - Seq Scan on rlp1 rlp - Filter: (1 > a) -(2 rows) - -explain (costs off) select * from rlp where a <= 1; - QUERY PLAN ------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a <= 1) - -> Seq Scan on rlp2 rlp_2 - Filter: (a <= 1) -(5 rows) - -explain (costs off) select * from rlp where a = 1; - QUERY PLAN ----------------------- - Seq Scan on rlp2 rlp - Filter: (a = 1) -(2 rows) - -explain (costs off) select * from rlp where a = 1::bigint; /* same as above */ - QUERY PLAN ------------------------------ - Seq Scan on rlp2 rlp - Filter: (a = '1'::bigint) -(2 rows) - -explain (costs off) select * from rlp where a = 1::numeric; /* no pruning */ - QUERY PLAN ------------------------------------------------ - Append - -> Seq Scan on rlp1 rlp_1 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp2 rlp_2 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp3abcd rlp_3 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp3efgh rlp_4 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp3nullxy rlp_5 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp3_default rlp_6 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp4_1 rlp_7 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp4_2 rlp_8 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp4_default rlp_9 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp5_1 rlp_10 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp5_default rlp_11 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp_default_10 rlp_12 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp_default_30 rlp_13 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp_default_null rlp_14 - Filter: ((a)::numeric = '1'::numeric) - -> Seq Scan on rlp_default_default rlp_15 - Filter: ((a)::numeric = '1'::numeric) -(31 rows) - -explain (costs off) select * from rlp where a <= 10; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a <= 10) - -> Seq Scan on rlp2 rlp_2 - Filter: (a <= 10) - -> Seq Scan on rlp_default_10 rlp_3 - Filter: (a <= 10) - -> Seq Scan on rlp_default_default rlp_4 - Filter: (a <= 10) -(9 rows) - -explain (costs off) select * from rlp where a > 10; - QUERY PLAN ----------------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: (a > 10) - -> Seq Scan on rlp3efgh rlp_2 - Filter: (a > 10) - -> Seq Scan on rlp3nullxy rlp_3 - Filter: (a > 10) - -> Seq Scan on rlp3_default rlp_4 - Filter: (a > 10) - -> Seq Scan on rlp4_1 rlp_5 - Filter: (a > 10) - -> Seq Scan on rlp4_2 rlp_6 - Filter: (a > 10) - -> Seq Scan on rlp4_default rlp_7 - Filter: (a > 10) - -> Seq Scan on rlp5_1 rlp_8 - Filter: (a > 10) - -> Seq Scan on rlp5_default rlp_9 - Filter: (a > 10) - -> Seq Scan on rlp_default_30 rlp_10 - Filter: (a > 10) - -> Seq Scan on rlp_default_default rlp_11 - Filter: (a > 10) -(23 rows) - -explain (costs off) select * from rlp where a < 15; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a < 15) - -> Seq Scan on rlp2 rlp_2 - Filter: (a < 15) - -> Seq Scan on rlp_default_10 rlp_3 - Filter: (a < 15) - -> Seq Scan on rlp_default_default rlp_4 - Filter: (a < 15) -(9 rows) - -explain (costs off) select * from rlp where a <= 15; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a <= 15) - -> Seq Scan on rlp2 rlp_2 - Filter: (a <= 15) - -> Seq Scan on rlp3abcd rlp_3 - Filter: (a <= 15) - -> Seq Scan on rlp3efgh rlp_4 - Filter: (a <= 15) - -> Seq Scan on rlp3nullxy rlp_5 - Filter: (a <= 15) - -> Seq Scan on rlp3_default rlp_6 - Filter: (a <= 15) - -> Seq Scan on rlp_default_10 rlp_7 - Filter: (a <= 15) - -> Seq Scan on rlp_default_default rlp_8 - Filter: (a <= 15) -(17 rows) - -explain (costs off) select * from rlp where a > 15 and b = 'ab'; - QUERY PLAN ---------------------------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_1 rlp_2 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_2 rlp_3 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_default rlp_4 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp5_1 rlp_5 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp5_default rlp_6 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_30 rlp_7 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_default rlp_8 - Filter: ((a > 15) AND ((b)::text = 'ab'::text)) -(17 rows) - -explain (costs off) select * from rlp where a = 16; - QUERY PLAN --------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: (a = 16) - -> Seq Scan on rlp3efgh rlp_2 - Filter: (a = 16) - -> Seq Scan on rlp3nullxy rlp_3 - Filter: (a = 16) - -> Seq Scan on rlp3_default rlp_4 - Filter: (a = 16) -(9 rows) - -explain (costs off) select * from rlp where a = 16 and b in ('not', 'in', 'here'); - QUERY PLAN ----------------------------------------------------------------------- - Seq Scan on rlp3_default rlp - Filter: ((a = 16) AND ((b)::text = ANY ('{not,in,here}'::text[]))) -(2 rows) - -explain (costs off) select * from rlp where a = 16 and b < 'ab'; - QUERY PLAN ---------------------------------------------------- - Seq Scan on rlp3_default rlp - Filter: (((b)::text < 'ab'::text) AND (a = 16)) -(2 rows) - -explain (costs off) select * from rlp where a = 16 and b <= 'ab'; - QUERY PLAN ----------------------------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: (((b)::text <= 'ab'::text) AND (a = 16)) - -> Seq Scan on rlp3_default rlp_2 - Filter: (((b)::text <= 'ab'::text) AND (a = 16)) -(5 rows) - -explain (costs off) select * from rlp where a = 16 and b is null; - QUERY PLAN --------------------------------------- - Seq Scan on rlp3nullxy rlp - Filter: ((b IS NULL) AND (a = 16)) -(2 rows) - -explain (costs off) select * from rlp where a = 16 and b is not null; - QUERY PLAN ------------------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: ((b IS NOT NULL) AND (a = 16)) - -> Seq Scan on rlp3efgh rlp_2 - Filter: ((b IS NOT NULL) AND (a = 16)) - -> Seq Scan on rlp3nullxy rlp_3 - Filter: ((b IS NOT NULL) AND (a = 16)) - -> Seq Scan on rlp3_default rlp_4 - Filter: ((b IS NOT NULL) AND (a = 16)) -(9 rows) - -explain (costs off) select * from rlp where a is null; - QUERY PLAN ----------------------------------- - Seq Scan on rlp_default_null rlp - Filter: (a IS NULL) -(2 rows) - -explain (costs off) select * from rlp where a is not null; - QUERY PLAN ----------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp2 rlp_2 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp3abcd rlp_3 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp3efgh rlp_4 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp3nullxy rlp_5 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp3_default rlp_6 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp4_1 rlp_7 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp4_2 rlp_8 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp4_default rlp_9 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp5_1 rlp_10 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp5_default rlp_11 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp_default_10 rlp_12 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp_default_30 rlp_13 - Filter: (a IS NOT NULL) - -> Seq Scan on rlp_default_default rlp_14 - Filter: (a IS NOT NULL) -(29 rows) - -explain (costs off) select * from rlp where a > 30; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on rlp5_1 rlp_1 - Filter: (a > 30) - -> Seq Scan on rlp5_default rlp_2 - Filter: (a > 30) - -> Seq Scan on rlp_default_default rlp_3 - Filter: (a > 30) -(7 rows) - -explain (costs off) select * from rlp where a = 30; /* only default is scanned */ - QUERY PLAN --------------------------------- - Seq Scan on rlp_default_30 rlp - Filter: (a = 30) -(2 rows) - -explain (costs off) select * from rlp where a <= 31; - QUERY PLAN ----------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: (a <= 31) - -> Seq Scan on rlp2 rlp_2 - Filter: (a <= 31) - -> Seq Scan on rlp3abcd rlp_3 - Filter: (a <= 31) - -> Seq Scan on rlp3efgh rlp_4 - Filter: (a <= 31) - -> Seq Scan on rlp3nullxy rlp_5 - Filter: (a <= 31) - -> Seq Scan on rlp3_default rlp_6 - Filter: (a <= 31) - -> Seq Scan on rlp4_1 rlp_7 - Filter: (a <= 31) - -> Seq Scan on rlp4_2 rlp_8 - Filter: (a <= 31) - -> Seq Scan on rlp4_default rlp_9 - Filter: (a <= 31) - -> Seq Scan on rlp5_1 rlp_10 - Filter: (a <= 31) - -> Seq Scan on rlp_default_10 rlp_11 - Filter: (a <= 31) - -> Seq Scan on rlp_default_30 rlp_12 - Filter: (a <= 31) - -> Seq Scan on rlp_default_default rlp_13 - Filter: (a <= 31) -(27 rows) - -explain (costs off) select * from rlp where a = 1 or a = 7; - QUERY PLAN --------------------------------- - Seq Scan on rlp2 rlp - Filter: ((a = 1) OR (a = 7)) -(2 rows) - -explain (costs off) select * from rlp where a = 1 or b = 'ab'; - QUERY PLAN -------------------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp2 rlp_2 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp3abcd rlp_3 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_1 rlp_4 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_2 rlp_5 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp4_default rlp_6 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp5_1 rlp_7 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp5_default rlp_8 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_10 rlp_9 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_30 rlp_10 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_null rlp_11 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) - -> Seq Scan on rlp_default_default rlp_12 - Filter: ((a = 1) OR ((b)::text = 'ab'::text)) -(25 rows) - -explain (costs off) select * from rlp where a > 20 and a < 27; - QUERY PLAN ------------------------------------------ - Append - -> Seq Scan on rlp4_1 rlp_1 - Filter: ((a > 20) AND (a < 27)) - -> Seq Scan on rlp4_2 rlp_2 - Filter: ((a > 20) AND (a < 27)) -(5 rows) - -explain (costs off) select * from rlp where a = 29; - QUERY PLAN ------------------------------- - Seq Scan on rlp4_default rlp - Filter: (a = 29) -(2 rows) - -explain (costs off) select * from rlp where a >= 29; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on rlp4_default rlp_1 - Filter: (a >= 29) - -> Seq Scan on rlp5_1 rlp_2 - Filter: (a >= 29) - -> Seq Scan on rlp5_default rlp_3 - Filter: (a >= 29) - -> Seq Scan on rlp_default_30 rlp_4 - Filter: (a >= 29) - -> Seq Scan on rlp_default_default rlp_5 - Filter: (a >= 29) -(11 rows) - -explain (costs off) select * from rlp where a < 1 or (a > 20 and a < 25); - QUERY PLAN ------------------------------------------------------- - Append - -> Seq Scan on rlp1 rlp_1 - Filter: ((a < 1) OR ((a > 20) AND (a < 25))) - -> Seq Scan on rlp4_1 rlp_2 - Filter: ((a < 1) OR ((a > 20) AND (a < 25))) -(5 rows) - --- where clause contradicts sub-partition's constraint -explain (costs off) select * from rlp where a = 20 or a = 40; - QUERY PLAN ----------------------------------------- - Append - -> Seq Scan on rlp4_1 rlp_1 - Filter: ((a = 20) OR (a = 40)) - -> Seq Scan on rlp5_default rlp_2 - Filter: ((a = 20) OR (a = 40)) -(5 rows) - -explain (costs off) select * from rlp3 where a = 20; /* empty */ - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - --- redundant clauses are eliminated -explain (costs off) select * from rlp where a > 1 and a = 10; /* only default */ - QUERY PLAN ----------------------------------- - Seq Scan on rlp_default_10 rlp - Filter: ((a > 1) AND (a = 10)) -(2 rows) - -explain (costs off) select * from rlp where a > 1 and a >=15; /* rlp3 onwards, including default */ - QUERY PLAN ----------------------------------------------- - Append - -> Seq Scan on rlp3abcd rlp_1 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp3efgh rlp_2 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp3nullxy rlp_3 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp3_default rlp_4 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp4_1 rlp_5 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp4_2 rlp_6 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp4_default rlp_7 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp5_1 rlp_8 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp5_default rlp_9 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp_default_30 rlp_10 - Filter: ((a > 1) AND (a >= 15)) - -> Seq Scan on rlp_default_default rlp_11 - Filter: ((a > 1) AND (a >= 15)) -(23 rows) - -explain (costs off) select * from rlp where a = 1 and a = 3; /* empty */ - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from rlp where (a = 1 and a = 3) or (a > 1 and a = 15); - QUERY PLAN -------------------------------------------------------------------- - Append - -> Seq Scan on rlp2 rlp_1 - Filter: (((a = 1) AND (a = 3)) OR ((a > 1) AND (a = 15))) - -> Seq Scan on rlp3abcd rlp_2 - Filter: (((a = 1) AND (a = 3)) OR ((a > 1) AND (a = 15))) - -> Seq Scan on rlp3efgh rlp_3 - Filter: (((a = 1) AND (a = 3)) OR ((a > 1) AND (a = 15))) - -> Seq Scan on rlp3nullxy rlp_4 - Filter: (((a = 1) AND (a = 3)) OR ((a > 1) AND (a = 15))) - -> Seq Scan on rlp3_default rlp_5 - Filter: (((a = 1) AND (a = 3)) OR ((a > 1) AND (a = 15))) -(11 rows) - --- multi-column keys -create table mc3p (a int, b int, c int) partition by range (a, abs(b), c); -create table mc3p_default partition of mc3p default; -create table mc3p0 partition of mc3p for values from (minvalue, minvalue, minvalue) to (1, 1, 1); -create table mc3p1 partition of mc3p for values from (1, 1, 1) to (10, 5, 10); -create table mc3p2 partition of mc3p for values from (10, 5, 10) to (10, 10, 10); -create table mc3p3 partition of mc3p for values from (10, 10, 10) to (10, 10, 20); -create table mc3p4 partition of mc3p for values from (10, 10, 20) to (10, maxvalue, maxvalue); -create table mc3p5 partition of mc3p for values from (11, 1, 1) to (20, 10, 10); -create table mc3p6 partition of mc3p for values from (20, 10, 10) to (20, 20, 20); -create table mc3p7 partition of mc3p for values from (20, 20, 20) to (maxvalue, maxvalue, maxvalue); -explain (costs off) select * from mc3p where a = 1; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (a = 1) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (a = 1) - -> Seq Scan on mc3p_default mc3p_3 - Filter: (a = 1) -(7 rows) - -explain (costs off) select * from mc3p where a = 1 and abs(b) < 1; - QUERY PLAN --------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: ((a = 1) AND (abs(b) < 1)) - -> Seq Scan on mc3p_default mc3p_2 - Filter: ((a = 1) AND (abs(b) < 1)) -(5 rows) - -explain (costs off) select * from mc3p where a = 1 and abs(b) = 1; - QUERY PLAN --------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: ((a = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: ((a = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p_default mc3p_3 - Filter: ((a = 1) AND (abs(b) = 1)) -(7 rows) - -explain (costs off) select * from mc3p where a = 1 and abs(b) = 1 and c < 8; - QUERY PLAN --------------------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: ((c < 8) AND (a = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: ((c < 8) AND (a = 1) AND (abs(b) = 1)) -(5 rows) - -explain (costs off) select * from mc3p where a = 10 and abs(b) between 5 and 35; - QUERY PLAN ------------------------------------------------------------------ - Append - -> Seq Scan on mc3p1 mc3p_1 - Filter: ((a = 10) AND (abs(b) >= 5) AND (abs(b) <= 35)) - -> Seq Scan on mc3p2 mc3p_2 - Filter: ((a = 10) AND (abs(b) >= 5) AND (abs(b) <= 35)) - -> Seq Scan on mc3p3 mc3p_3 - Filter: ((a = 10) AND (abs(b) >= 5) AND (abs(b) <= 35)) - -> Seq Scan on mc3p4 mc3p_4 - Filter: ((a = 10) AND (abs(b) >= 5) AND (abs(b) <= 35)) - -> Seq Scan on mc3p_default mc3p_5 - Filter: ((a = 10) AND (abs(b) >= 5) AND (abs(b) <= 35)) -(11 rows) - -explain (costs off) select * from mc3p where a > 10; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p5 mc3p_1 - Filter: (a > 10) - -> Seq Scan on mc3p6 mc3p_2 - Filter: (a > 10) - -> Seq Scan on mc3p7 mc3p_3 - Filter: (a > 10) - -> Seq Scan on mc3p_default mc3p_4 - Filter: (a > 10) -(9 rows) - -explain (costs off) select * from mc3p where a >= 10; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p1 mc3p_1 - Filter: (a >= 10) - -> Seq Scan on mc3p2 mc3p_2 - Filter: (a >= 10) - -> Seq Scan on mc3p3 mc3p_3 - Filter: (a >= 10) - -> Seq Scan on mc3p4 mc3p_4 - Filter: (a >= 10) - -> Seq Scan on mc3p5 mc3p_5 - Filter: (a >= 10) - -> Seq Scan on mc3p6 mc3p_6 - Filter: (a >= 10) - -> Seq Scan on mc3p7 mc3p_7 - Filter: (a >= 10) - -> Seq Scan on mc3p_default mc3p_8 - Filter: (a >= 10) -(17 rows) - -explain (costs off) select * from mc3p where a < 10; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (a < 10) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (a < 10) - -> Seq Scan on mc3p_default mc3p_3 - Filter: (a < 10) -(7 rows) - -explain (costs off) select * from mc3p where a <= 10 and abs(b) < 10; - QUERY PLAN ------------------------------------------------ - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: ((a <= 10) AND (abs(b) < 10)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: ((a <= 10) AND (abs(b) < 10)) - -> Seq Scan on mc3p2 mc3p_3 - Filter: ((a <= 10) AND (abs(b) < 10)) - -> Seq Scan on mc3p_default mc3p_4 - Filter: ((a <= 10) AND (abs(b) < 10)) -(9 rows) - -explain (costs off) select * from mc3p where a = 11 and abs(b) = 0; - QUERY PLAN ---------------------------------------- - Seq Scan on mc3p_default mc3p - Filter: ((a = 11) AND (abs(b) = 0)) -(2 rows) - -explain (costs off) select * from mc3p where a = 20 and abs(b) = 10 and c = 100; - QUERY PLAN ------------------------------------------------------- - Seq Scan on mc3p6 mc3p - Filter: ((a = 20) AND (c = 100) AND (abs(b) = 10)) -(2 rows) - -explain (costs off) select * from mc3p where a > 20; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p7 mc3p_1 - Filter: (a > 20) - -> Seq Scan on mc3p_default mc3p_2 - Filter: (a > 20) -(5 rows) - -explain (costs off) select * from mc3p where a >= 20; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc3p5 mc3p_1 - Filter: (a >= 20) - -> Seq Scan on mc3p6 mc3p_2 - Filter: (a >= 20) - -> Seq Scan on mc3p7 mc3p_3 - Filter: (a >= 20) - -> Seq Scan on mc3p_default mc3p_4 - Filter: (a >= 20) -(9 rows) - -explain (costs off) select * from mc3p where (a = 1 and abs(b) = 1 and c = 1) or (a = 10 and abs(b) = 5 and c = 10) or (a > 11 and a < 20); - QUERY PLAN ---------------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on mc3p1 mc3p_1 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20))) - -> Seq Scan on mc3p2 mc3p_2 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20))) - -> Seq Scan on mc3p5 mc3p_3 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20))) - -> Seq Scan on mc3p_default mc3p_4 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20))) -(9 rows) - -explain (costs off) select * from mc3p where (a = 1 and abs(b) = 1 and c = 1) or (a = 10 and abs(b) = 5 and c = 10) or (a > 11 and a < 20) or a < 1; - QUERY PLAN --------------------------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1)) - -> Seq Scan on mc3p2 mc3p_3 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1)) - -> Seq Scan on mc3p5 mc3p_4 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1)) - -> Seq Scan on mc3p_default mc3p_5 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1)) -(11 rows) - -explain (costs off) select * from mc3p where (a = 1 and abs(b) = 1 and c = 1) or (a = 10 and abs(b) = 5 and c = 10) or (a > 11 and a < 20) or a < 1 or a = 1; - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1) OR (a = 1)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1) OR (a = 1)) - -> Seq Scan on mc3p2 mc3p_3 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1) OR (a = 1)) - -> Seq Scan on mc3p5 mc3p_4 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1) OR (a = 1)) - -> Seq Scan on mc3p_default mc3p_5 - Filter: (((a = 1) AND (abs(b) = 1) AND (c = 1)) OR ((a = 10) AND (abs(b) = 5) AND (c = 10)) OR ((a > 11) AND (a < 20)) OR (a < 1) OR (a = 1)) -(11 rows) - -explain (costs off) select * from mc3p where a = 1 or abs(b) = 1 or c = 1; - QUERY PLAN ------------------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p1 mc3p_2 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p2 mc3p_3 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p3 mc3p_4 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p4 mc3p_5 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p5 mc3p_6 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p6 mc3p_7 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p7 mc3p_8 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) - -> Seq Scan on mc3p_default mc3p_9 - Filter: ((a = 1) OR (abs(b) = 1) OR (c = 1)) -(19 rows) - -explain (costs off) select * from mc3p where (a = 1 and abs(b) = 1) or (a = 10 and abs(b) = 10); - QUERY PLAN ------------------------------------------------------------------------------- - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) - -> Seq Scan on mc3p2 mc3p_3 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) - -> Seq Scan on mc3p3 mc3p_4 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) - -> Seq Scan on mc3p4 mc3p_5 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) - -> Seq Scan on mc3p_default mc3p_6 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 10))) -(13 rows) - -explain (costs off) select * from mc3p where (a = 1 and abs(b) = 1) or (a = 10 and abs(b) = 9); - QUERY PLAN ------------------------------------------------------------------------------ - Append - -> Seq Scan on mc3p0 mc3p_1 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 9))) - -> Seq Scan on mc3p1 mc3p_2 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 9))) - -> Seq Scan on mc3p2 mc3p_3 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 9))) - -> Seq Scan on mc3p_default mc3p_4 - Filter: (((a = 1) AND (abs(b) = 1)) OR ((a = 10) AND (abs(b) = 9))) -(9 rows) - --- a simpler multi-column keys case -create table mc2p (a int, b int) partition by range (a, b); -create table mc2p_default partition of mc2p default; -create table mc2p0 partition of mc2p for values from (minvalue, minvalue) to (1, minvalue); -create table mc2p1 partition of mc2p for values from (1, minvalue) to (1, 1); -create table mc2p2 partition of mc2p for values from (1, 1) to (2, minvalue); -create table mc2p3 partition of mc2p for values from (2, minvalue) to (2, 1); -create table mc2p4 partition of mc2p for values from (2, 1) to (2, maxvalue); -create table mc2p5 partition of mc2p for values from (2, maxvalue) to (maxvalue, maxvalue); -explain (costs off) select * from mc2p where a < 2; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc2p0 mc2p_1 - Filter: (a < 2) - -> Seq Scan on mc2p1 mc2p_2 - Filter: (a < 2) - -> Seq Scan on mc2p2 mc2p_3 - Filter: (a < 2) - -> Seq Scan on mc2p_default mc2p_4 - Filter: (a < 2) -(9 rows) - -explain (costs off) select * from mc2p where a = 2 and b < 1; - QUERY PLAN ---------------------------------- - Seq Scan on mc2p3 mc2p - Filter: ((b < 1) AND (a = 2)) -(2 rows) - -explain (costs off) select * from mc2p where a > 1; - QUERY PLAN ---------------------------------------- - Append - -> Seq Scan on mc2p2 mc2p_1 - Filter: (a > 1) - -> Seq Scan on mc2p3 mc2p_2 - Filter: (a > 1) - -> Seq Scan on mc2p4 mc2p_3 - Filter: (a > 1) - -> Seq Scan on mc2p5 mc2p_4 - Filter: (a > 1) - -> Seq Scan on mc2p_default mc2p_5 - Filter: (a > 1) -(11 rows) - -explain (costs off) select * from mc2p where a = 1 and b > 1; - QUERY PLAN ---------------------------------- - Seq Scan on mc2p2 mc2p - Filter: ((b > 1) AND (a = 1)) -(2 rows) - --- all partitions but the default one should be pruned -explain (costs off) select * from mc2p where a = 1 and b is null; - QUERY PLAN -------------------------------------- - Seq Scan on mc2p_default mc2p - Filter: ((b IS NULL) AND (a = 1)) -(2 rows) - -explain (costs off) select * from mc2p where a is null and b is null; - QUERY PLAN ------------------------------------------ - Seq Scan on mc2p_default mc2p - Filter: ((a IS NULL) AND (b IS NULL)) -(2 rows) - -explain (costs off) select * from mc2p where a is null and b = 1; - QUERY PLAN -------------------------------------- - Seq Scan on mc2p_default mc2p - Filter: ((a IS NULL) AND (b = 1)) -(2 rows) - -explain (costs off) select * from mc2p where a is null; - QUERY PLAN -------------------------------- - Seq Scan on mc2p_default mc2p - Filter: (a IS NULL) -(2 rows) - -explain (costs off) select * from mc2p where b is null; - QUERY PLAN -------------------------------- - Seq Scan on mc2p_default mc2p - Filter: (b IS NULL) -(2 rows) - --- boolean partitioning -create table boolpart (a bool) partition by list (a); -create table boolpart_default partition of boolpart default; -create table boolpart_t partition of boolpart for values in ('true'); -create table boolpart_f partition of boolpart for values in ('false'); -insert into boolpart values (true), (false), (null); -explain (costs off) select * from boolpart where a in (true, false); - QUERY PLAN ------------------------------------------------- - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: (a = ANY ('{t,f}'::boolean[])) - -> Seq Scan on boolpart_t boolpart_2 - Filter: (a = ANY ('{t,f}'::boolean[])) -(5 rows) - -explain (costs off) select * from boolpart where a = false; - QUERY PLAN ---------------------------------- - Seq Scan on boolpart_f boolpart - Filter: (NOT a) -(2 rows) - -explain (costs off) select * from boolpart where not a = false; - QUERY PLAN ---------------------------------- - Seq Scan on boolpart_t boolpart - Filter: a -(2 rows) - -explain (costs off) select * from boolpart where a is true or a is not true; - QUERY PLAN --------------------------------------------------- - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) - -> Seq Scan on boolpart_t boolpart_2 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) - -> Seq Scan on boolpart_default boolpart_3 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) -(7 rows) - -explain (costs off) select * from boolpart where a is not true; - QUERY PLAN ------------------------------------------------ - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: (a IS NOT TRUE) - -> Seq Scan on boolpart_default boolpart_2 - Filter: (a IS NOT TRUE) -(5 rows) - -explain (costs off) select * from boolpart where a is not true and a is not false; - QUERY PLAN --------------------------------------------------- - Seq Scan on boolpart_default boolpart - Filter: ((a IS NOT TRUE) AND (a IS NOT FALSE)) -(2 rows) - -explain (costs off) select * from boolpart where a is unknown; - QUERY PLAN ---------------------------------------- - Seq Scan on boolpart_default boolpart - Filter: (a IS UNKNOWN) -(2 rows) - -explain (costs off) select * from boolpart where a is not unknown; - QUERY PLAN ------------------------------------------------ - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on boolpart_t boolpart_2 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on boolpart_default boolpart_3 - Filter: (a IS NOT UNKNOWN) -(7 rows) - -select * from boolpart where a in (true, false); - a ---- - f - t -(2 rows) - -select * from boolpart where a = false; - a ---- - f -(1 row) - -select * from boolpart where not a = false; - a ---- - t -(1 row) - -select * from boolpart where a is true or a is not true; - a ---- - f - t - -(3 rows) - -select * from boolpart where a is not true; - a ---- - f - -(2 rows) - -select * from boolpart where a is not true and a is not false; - a ---- - -(1 row) - -select * from boolpart where a is unknown; - a ---- - -(1 row) - -select * from boolpart where a is not unknown; - a ---- - f - t -(2 rows) - --- try some other permutations with a NULL partition instead of a DEFAULT -delete from boolpart where a is null; -create table boolpart_null partition of boolpart for values in (null); -insert into boolpart values(null); -explain (costs off) select * from boolpart where a is not true; - QUERY PLAN --------------------------------------------- - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: (a IS NOT TRUE) - -> Seq Scan on boolpart_null boolpart_2 - Filter: (a IS NOT TRUE) -(5 rows) - -explain (costs off) select * from boolpart where a is not true and a is not false; - QUERY PLAN --------------------------------------------------- - Seq Scan on boolpart_null boolpart - Filter: ((a IS NOT TRUE) AND (a IS NOT FALSE)) -(2 rows) - -explain (costs off) select * from boolpart where a is not false; - QUERY PLAN --------------------------------------------- - Append - -> Seq Scan on boolpart_t boolpart_1 - Filter: (a IS NOT FALSE) - -> Seq Scan on boolpart_null boolpart_2 - Filter: (a IS NOT FALSE) -(5 rows) - -explain (costs off) select * from boolpart where a is not unknown; - QUERY PLAN ------------------------------------------------ - Append - -> Seq Scan on boolpart_f boolpart_1 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on boolpart_t boolpart_2 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on boolpart_default boolpart_3 - Filter: (a IS NOT UNKNOWN) -(7 rows) - -select * from boolpart where a is not true; - a ---- - f - -(2 rows) - -select * from boolpart where a is not true and a is not false; - a ---- - -(1 row) - -select * from boolpart where a is not false; - a ---- - t - -(2 rows) - -select * from boolpart where a is not unknown; - a ---- - f - t -(2 rows) - --- check that all partitions are pruned when faced with conflicting clauses -explain (costs off) select * from boolpart where a is not unknown and a is unknown; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from boolpart where a is false and a is unknown; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from boolpart where a is true and a is unknown; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - --- inverse boolean partitioning - a seemingly unlikely design, but we've got --- code for it, so we'd better test it. -create table iboolpart (a bool) partition by list ((not a)); -create table iboolpart_default partition of iboolpart default; -create table iboolpart_f partition of iboolpart for values in ('true'); -create table iboolpart_t partition of iboolpart for values in ('false'); -insert into iboolpart values (true), (false), (null); -explain (costs off) select * from iboolpart where a in (true, false); - QUERY PLAN -------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: (a = ANY ('{t,f}'::boolean[])) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: (a = ANY ('{t,f}'::boolean[])) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: (a = ANY ('{t,f}'::boolean[])) -(7 rows) - -explain (costs off) select * from iboolpart where a = false; - QUERY PLAN ------------------------------------ - Seq Scan on iboolpart_f iboolpart - Filter: (NOT a) -(2 rows) - -explain (costs off) select * from iboolpart where not a = false; - QUERY PLAN ------------------------------------ - Seq Scan on iboolpart_t iboolpart - Filter: a -(2 rows) - -explain (costs off) select * from iboolpart where a is true or a is not true; - QUERY PLAN --------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: ((a IS TRUE) OR (a IS NOT TRUE)) -(7 rows) - -explain (costs off) select * from iboolpart where a is not true; - QUERY PLAN -------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: (a IS NOT TRUE) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: (a IS NOT TRUE) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: (a IS NOT TRUE) -(7 rows) - -explain (costs off) select * from iboolpart where a is not true and a is not false; - QUERY PLAN --------------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: ((a IS NOT TRUE) AND (a IS NOT FALSE)) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: ((a IS NOT TRUE) AND (a IS NOT FALSE)) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: ((a IS NOT TRUE) AND (a IS NOT FALSE)) -(7 rows) - -explain (costs off) select * from iboolpart where a is unknown; - QUERY PLAN -------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: (a IS UNKNOWN) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: (a IS UNKNOWN) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: (a IS UNKNOWN) -(7 rows) - -explain (costs off) select * from iboolpart where a is not unknown; - QUERY PLAN -------------------------------------------------- - Append - -> Seq Scan on iboolpart_t iboolpart_1 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on iboolpart_f iboolpart_2 - Filter: (a IS NOT UNKNOWN) - -> Seq Scan on iboolpart_default iboolpart_3 - Filter: (a IS NOT UNKNOWN) -(7 rows) - -select * from iboolpart where a in (true, false); - a ---- - t - f -(2 rows) - -select * from iboolpart where a = false; - a ---- - f -(1 row) - -select * from iboolpart where not a = false; - a ---- - t -(1 row) - -select * from iboolpart where a is true or a is not true; - a ---- - t - f - -(3 rows) - -select * from iboolpart where a is not true; - a ---- - f - -(2 rows) - -select * from iboolpart where a is not true and a is not false; - a ---- - -(1 row) - -select * from iboolpart where a is unknown; - a ---- - -(1 row) - -select * from iboolpart where a is not unknown; - a ---- - t - f -(2 rows) - --- Try some other permutations with a NULL partition instead of a DEFAULT -delete from iboolpart where a is null; -create table iboolpart_null partition of iboolpart for values in (null); -insert into iboolpart values(null); --- Pruning shouldn't take place for these. Just check the result is correct -select * from iboolpart where a is not true; - a ---- - f - -(2 rows) - -select * from iboolpart where a is not true and a is not false; - a ---- - -(1 row) - -select * from iboolpart where a is not false; - a ---- - t - -(2 rows) - -create table boolrangep (a bool, b bool, c int) partition by range (a,b,c); -create table boolrangep_tf partition of boolrangep for values from ('true', 'false', 0) to ('true', 'false', 100); -create table boolrangep_ft partition of boolrangep for values from ('false', 'true', 0) to ('false', 'true', 100); -create table boolrangep_ff1 partition of boolrangep for values from ('false', 'false', 0) to ('false', 'false', 50); -create table boolrangep_ff2 partition of boolrangep for values from ('false', 'false', 50) to ('false', 'false', 100); -create table boolrangep_null partition of boolrangep default; --- try a more complex case that's been known to trip up pruning in the past -explain (costs off) select * from boolrangep where not a and not b and c = 25; - QUERY PLAN ----------------------------------------------- - Seq Scan on boolrangep_ff1 boolrangep - Filter: ((NOT a) AND (NOT b) AND (c = 25)) -(2 rows) - --- ensure we prune boolrangep_tf -explain (costs off) select * from boolrangep where a is not true and not b and c = 25; - QUERY PLAN ------------------------------------------------------------- - Append - -> Seq Scan on boolrangep_ff1 boolrangep_1 - Filter: ((a IS NOT TRUE) AND (NOT b) AND (c = 25)) - -> Seq Scan on boolrangep_ff2 boolrangep_2 - Filter: ((a IS NOT TRUE) AND (NOT b) AND (c = 25)) - -> Seq Scan on boolrangep_ft boolrangep_3 - Filter: ((a IS NOT TRUE) AND (NOT b) AND (c = 25)) - -> Seq Scan on boolrangep_null boolrangep_4 - Filter: ((a IS NOT TRUE) AND (NOT b) AND (c = 25)) -(9 rows) - --- ensure we prune everything apart from boolrangep_tf and boolrangep_null -explain (costs off) select * from boolrangep where a is not false and not b and c = 25; - QUERY PLAN -------------------------------------------------------------- - Append - -> Seq Scan on boolrangep_tf boolrangep_1 - Filter: ((a IS NOT FALSE) AND (NOT b) AND (c = 25)) - -> Seq Scan on boolrangep_null boolrangep_2 - Filter: ((a IS NOT FALSE) AND (NOT b) AND (c = 25)) -(5 rows) - --- test scalar-to-array operators -create table coercepart (a varchar) partition by list (a); -create table coercepart_ab partition of coercepart for values in ('ab'); -create table coercepart_bc partition of coercepart for values in ('bc'); -create table coercepart_cd partition of coercepart for values in ('cd'); -explain (costs off) select * from coercepart where a in ('ab', to_char(125, '999')); - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text = ANY ((ARRAY['ab'::character varying, (to_char(125, '999'::text))::character varying])::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text = ANY ((ARRAY['ab'::character varying, (to_char(125, '999'::text))::character varying])::text[])) - -> Seq Scan on coercepart_cd coercepart_3 - Filter: ((a)::text = ANY ((ARRAY['ab'::character varying, (to_char(125, '999'::text))::character varying])::text[])) -(7 rows) - -explain (costs off) select * from coercepart where a ~ any ('{ab}'); - QUERY PLAN ----------------------------------------------------- - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text ~ ANY ('{ab}'::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text ~ ANY ('{ab}'::text[])) - -> Seq Scan on coercepart_cd coercepart_3 - Filter: ((a)::text ~ ANY ('{ab}'::text[])) -(7 rows) - -explain (costs off) select * from coercepart where a !~ all ('{ab}'); - QUERY PLAN ------------------------------------------------------ - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text !~ ALL ('{ab}'::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text !~ ALL ('{ab}'::text[])) - -> Seq Scan on coercepart_cd coercepart_3 - Filter: ((a)::text !~ ALL ('{ab}'::text[])) -(7 rows) - -explain (costs off) select * from coercepart where a ~ any ('{ab,bc}'); - QUERY PLAN -------------------------------------------------------- - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text ~ ANY ('{ab,bc}'::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text ~ ANY ('{ab,bc}'::text[])) - -> Seq Scan on coercepart_cd coercepart_3 - Filter: ((a)::text ~ ANY ('{ab,bc}'::text[])) -(7 rows) - -explain (costs off) select * from coercepart where a !~ all ('{ab,bc}'); - QUERY PLAN --------------------------------------------------------- - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text !~ ALL ('{ab,bc}'::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text !~ ALL ('{ab,bc}'::text[])) - -> Seq Scan on coercepart_cd coercepart_3 - Filter: ((a)::text !~ ALL ('{ab,bc}'::text[])) -(7 rows) - -explain (costs off) select * from coercepart where a = any ('{ab,bc}'); - QUERY PLAN -------------------------------------------------------- - Append - -> Seq Scan on coercepart_ab coercepart_1 - Filter: ((a)::text = ANY ('{ab,bc}'::text[])) - -> Seq Scan on coercepart_bc coercepart_2 - Filter: ((a)::text = ANY ('{ab,bc}'::text[])) -(5 rows) - -explain (costs off) select * from coercepart where a = any ('{ab,null}'); - QUERY PLAN ---------------------------------------------------- - Seq Scan on coercepart_ab coercepart - Filter: ((a)::text = ANY ('{ab,NULL}'::text[])) -(2 rows) - -explain (costs off) select * from coercepart where a = any (null::text[]); - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from coercepart where a = all ('{ab}'); - QUERY PLAN ----------------------------------------------- - Seq Scan on coercepart_ab coercepart - Filter: ((a)::text = ALL ('{ab}'::text[])) -(2 rows) - -explain (costs off) select * from coercepart where a = all ('{ab,bc}'); - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from coercepart where a = all ('{ab,null}'); - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from coercepart where a = all (null::text[]); - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -drop table coercepart; -CREATE TABLE part (a INT, b INT) PARTITION BY LIST (a); -CREATE TABLE part_p1 PARTITION OF part FOR VALUES IN (-2,-1,0,1,2); -CREATE TABLE part_p2 PARTITION OF part DEFAULT PARTITION BY RANGE(a); -CREATE TABLE part_p2_p1 PARTITION OF part_p2 DEFAULT; -CREATE TABLE part_rev (b INT, c INT, a INT); -ALTER TABLE part ATTACH PARTITION part_rev FOR VALUES IN (3); -- fail -ERROR: table "part_rev" contains column "c" not found in parent "part" -DETAIL: The new partition may contain only the columns present in parent. -ALTER TABLE part_rev DROP COLUMN c; -ALTER TABLE part ATTACH PARTITION part_rev FOR VALUES IN (3); -- now it's ok -INSERT INTO part VALUES (-1,-1), (1,1), (2,NULL), (NULL,-2),(NULL,NULL); -EXPLAIN (COSTS OFF) SELECT tableoid::regclass as part, a, b FROM part WHERE a IS NULL ORDER BY 1, 2, 3; - QUERY PLAN ---------------------------------------------------------- - Sort - Sort Key: ((part.tableoid)::regclass), part.a, part.b - -> Seq Scan on part_p2_p1 part - Filter: (a IS NULL) -(4 rows) - -EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM part p(x) ORDER BY x; - QUERY PLAN ------------------------------------------------ - Sort - Output: p.x, p.b - Sort Key: p.x - -> Append - -> Seq Scan on public.part_p1 p_1 - Output: p_1.x, p_1.b - -> Seq Scan on public.part_rev p_2 - Output: p_2.x, p_2.b - -> Seq Scan on public.part_p2_p1 p_3 - Output: p_3.x, p_3.b -(10 rows) - --- --- some more cases --- --- --- pruning for partitioned table appearing inside a sub-query --- --- pruning won't work for mc3p, because some keys are Params -explain (costs off) select * from mc2p t1, lateral (select count(*) from mc3p t2 where t2.a = t1.b and abs(t2.b) = 1 and t2.c = 1) s where t1.a = 1; - QUERY PLAN ------------------------------------------------------------------------ - Nested Loop - -> Append - -> Seq Scan on mc2p1 t1_1 - Filter: (a = 1) - -> Seq Scan on mc2p2 t1_2 - Filter: (a = 1) - -> Seq Scan on mc2p_default t1_3 - Filter: (a = 1) - -> Aggregate - -> Append - -> Seq Scan on mc3p0 t2_1 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p1 t2_2 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p2 t2_3 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p3 t2_4 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p4 t2_5 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p5 t2_6 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p6 t2_7 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p7 t2_8 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p_default t2_9 - Filter: ((a = t1.b) AND (c = 1) AND (abs(b) = 1)) -(28 rows) - --- pruning should work fine, because values for a prefix of keys (a, b) are --- available -explain (costs off) select * from mc2p t1, lateral (select count(*) from mc3p t2 where t2.c = t1.b and abs(t2.b) = 1 and t2.a = 1) s where t1.a = 1; - QUERY PLAN ------------------------------------------------------------------------ - Nested Loop - -> Append - -> Seq Scan on mc2p1 t1_1 - Filter: (a = 1) - -> Seq Scan on mc2p2 t1_2 - Filter: (a = 1) - -> Seq Scan on mc2p_default t1_3 - Filter: (a = 1) - -> Aggregate - -> Append - -> Seq Scan on mc3p0 t2_1 - Filter: ((c = t1.b) AND (a = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p1 t2_2 - Filter: ((c = t1.b) AND (a = 1) AND (abs(b) = 1)) - -> Seq Scan on mc3p_default t2_3 - Filter: ((c = t1.b) AND (a = 1) AND (abs(b) = 1)) -(16 rows) - --- also here, because values for all keys are provided -explain (costs off) select * from mc2p t1, lateral (select count(*) from mc3p t2 where t2.a = 1 and abs(t2.b) = 1 and t2.c = 1) s where t1.a = 1; - QUERY PLAN --------------------------------------------------------------- - Nested Loop - -> Aggregate - -> Seq Scan on mc3p1 t2 - Filter: ((a = 1) AND (c = 1) AND (abs(b) = 1)) - -> Append - -> Seq Scan on mc2p1 t1_1 - Filter: (a = 1) - -> Seq Scan on mc2p2 t1_2 - Filter: (a = 1) - -> Seq Scan on mc2p_default t1_3 - Filter: (a = 1) -(11 rows) - --- --- pruning with clauses containing <> operator --- --- doesn't prune range partitions -create table rp (a int) partition by range (a); -create table rp0 partition of rp for values from (minvalue) to (1); -create table rp1 partition of rp for values from (1) to (2); -create table rp2 partition of rp for values from (2) to (maxvalue); -explain (costs off) select * from rp where a <> 1; - QUERY PLAN ----------------------------- - Append - -> Seq Scan on rp0 rp_1 - Filter: (a <> 1) - -> Seq Scan on rp1 rp_2 - Filter: (a <> 1) - -> Seq Scan on rp2 rp_3 - Filter: (a <> 1) -(7 rows) - -explain (costs off) select * from rp where a <> 1 and a <> 2; - QUERY PLAN ------------------------------------------ - Append - -> Seq Scan on rp0 rp_1 - Filter: ((a <> 1) AND (a <> 2)) - -> Seq Scan on rp1 rp_2 - Filter: ((a <> 1) AND (a <> 2)) - -> Seq Scan on rp2 rp_3 - Filter: ((a <> 1) AND (a <> 2)) -(7 rows) - --- null partition should be eliminated due to strict <> clause. -explain (costs off) select * from lp where a <> 'a'; - QUERY PLAN ------------------------------------- - Append - -> Seq Scan on lp_ad lp_1 - Filter: (a <> 'a'::bpchar) - -> Seq Scan on lp_bc lp_2 - Filter: (a <> 'a'::bpchar) - -> Seq Scan on lp_ef lp_3 - Filter: (a <> 'a'::bpchar) - -> Seq Scan on lp_g lp_4 - Filter: (a <> 'a'::bpchar) - -> Seq Scan on lp_default lp_5 - Filter: (a <> 'a'::bpchar) -(11 rows) - --- ensure we detect contradictions in clauses; a can't be NULL and NOT NULL. -explain (costs off) select * from lp where a <> 'a' and a is null; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from lp where (a <> 'a' and a <> 'd') or a is null; - QUERY PLAN ------------------------------------------------------------------------------- - Append - -> Seq Scan on lp_bc lp_1 - Filter: (((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) OR (a IS NULL)) - -> Seq Scan on lp_ef lp_2 - Filter: (((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) OR (a IS NULL)) - -> Seq Scan on lp_g lp_3 - Filter: (((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) OR (a IS NULL)) - -> Seq Scan on lp_null lp_4 - Filter: (((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) OR (a IS NULL)) - -> Seq Scan on lp_default lp_5 - Filter: (((a <> 'a'::bpchar) AND (a <> 'd'::bpchar)) OR (a IS NULL)) -(11 rows) - --- check that it also works for a partitioned table that's not root, --- which in this case are partitions of rlp that are themselves --- list-partitioned on b -explain (costs off) select * from rlp where a = 15 and b <> 'ab' and b <> 'cd' and b <> 'xy' and b is not null; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on rlp3efgh rlp_1 - Filter: ((b IS NOT NULL) AND ((b)::text <> 'ab'::text) AND ((b)::text <> 'cd'::text) AND ((b)::text <> 'xy'::text) AND (a = 15)) - -> Seq Scan on rlp3_default rlp_2 - Filter: ((b IS NOT NULL) AND ((b)::text <> 'ab'::text) AND ((b)::text <> 'cd'::text) AND ((b)::text <> 'xy'::text) AND (a = 15)) -(5 rows) - --- --- different collations for different keys with same expression --- -create table coll_pruning_multi (a text) partition by range (substr(a, 1) collate "POSIX", substr(a, 1) collate "C"); -create table coll_pruning_multi1 partition of coll_pruning_multi for values from ('a', 'a') to ('a', 'e'); -create table coll_pruning_multi2 partition of coll_pruning_multi for values from ('a', 'e') to ('a', 'z'); -create table coll_pruning_multi3 partition of coll_pruning_multi for values from ('b', 'a') to ('b', 'e'); --- no pruning, because no value for the leading key -explain (costs off) select * from coll_pruning_multi where substr(a, 1) = 'e' collate "C"; - QUERY PLAN ------------------------------------------------------------- - Append - -> Seq Scan on coll_pruning_multi1 coll_pruning_multi_1 - Filter: (substr(a, 1) = 'e'::text COLLATE "C") - -> Seq Scan on coll_pruning_multi2 coll_pruning_multi_2 - Filter: (substr(a, 1) = 'e'::text COLLATE "C") - -> Seq Scan on coll_pruning_multi3 coll_pruning_multi_3 - Filter: (substr(a, 1) = 'e'::text COLLATE "C") -(7 rows) - --- pruning, with a value provided for the leading key -explain (costs off) select * from coll_pruning_multi where substr(a, 1) = 'a' collate "POSIX"; - QUERY PLAN ------------------------------------------------------------- - Append - -> Seq Scan on coll_pruning_multi1 coll_pruning_multi_1 - Filter: (substr(a, 1) = 'a'::text COLLATE "POSIX") - -> Seq Scan on coll_pruning_multi2 coll_pruning_multi_2 - Filter: (substr(a, 1) = 'a'::text COLLATE "POSIX") -(5 rows) - --- pruning, with values provided for both keys -explain (costs off) select * from coll_pruning_multi where substr(a, 1) = 'e' collate "C" and substr(a, 1) = 'a' collate "POSIX"; - QUERY PLAN ---------------------------------------------------------------------------------------------------- - Seq Scan on coll_pruning_multi2 coll_pruning_multi - Filter: ((substr(a, 1) = 'e'::text COLLATE "C") AND (substr(a, 1) = 'a'::text COLLATE "POSIX")) -(2 rows) - --- --- LIKE operators don't prune --- -create table like_op_noprune (a text) partition by list (a); -create table like_op_noprune1 partition of like_op_noprune for values in ('ABC'); -create table like_op_noprune2 partition of like_op_noprune for values in ('BCD'); -explain (costs off) select * from like_op_noprune where a like '%BC'; - QUERY PLAN ------------------------------------------------------- - Append - -> Seq Scan on like_op_noprune1 like_op_noprune_1 - Filter: (a ~~ '%BC'::text) - -> Seq Scan on like_op_noprune2 like_op_noprune_2 - Filter: (a ~~ '%BC'::text) -(5 rows) - --- --- tests wherein clause value requires a cross-type comparison function --- -create table lparted_by_int2 (a smallint) partition by list (a); -create table lparted_by_int2_1 partition of lparted_by_int2 for values in (1); -create table lparted_by_int2_16384 partition of lparted_by_int2 for values in (16384); -explain (costs off) select * from lparted_by_int2 where a = 100_000_000_000_000; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -create table rparted_by_int2 (a smallint) partition by range (a); -create table rparted_by_int2_1 partition of rparted_by_int2 for values from (1) to (10); -create table rparted_by_int2_16384 partition of rparted_by_int2 for values from (10) to (16384); --- all partitions pruned -explain (costs off) select * from rparted_by_int2 where a > 100_000_000_000_000; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -create table rparted_by_int2_maxvalue partition of rparted_by_int2 for values from (16384) to (maxvalue); --- all partitions but rparted_by_int2_maxvalue pruned -explain (costs off) select * from rparted_by_int2 where a > 100_000_000_000_000; - QUERY PLAN ------------------------------------------------------- - Seq Scan on rparted_by_int2_maxvalue rparted_by_int2 - Filter: (a > '100000000000000'::bigint) -(2 rows) - -drop table lp, coll_pruning, rlp, mc3p, mc2p, boolpart, iboolpart, boolrangep, rp, coll_pruning_multi, like_op_noprune, lparted_by_int2, rparted_by_int2; --- check that AlternativeSubPlan within a pruning expression gets cleaned up -create table asptab (id int primary key) partition by range (id); -create table asptab0 partition of asptab for values from (0) to (1); -create table asptab1 partition of asptab for values from (1) to (2); -explain (costs off) -select * from - (select exists (select 1 from int4_tbl tinner where f1 = touter.f1) as b - from int4_tbl touter) ss, - asptab -where asptab.id > ss.b::int; - QUERY PLAN --------------------------------------------------------------------- - Nested Loop - -> Seq Scan on int4_tbl touter - -> Append - -> Index Only Scan using asptab0_pkey on asptab0 asptab_1 - Index Cond: (id > (EXISTS(SubPlan 3))::integer) - SubPlan 4 - -> Seq Scan on int4_tbl tinner_2 - -> Index Only Scan using asptab1_pkey on asptab1 asptab_2 - Index Cond: (id > (EXISTS(SubPlan 3))::integer) - SubPlan 3 - -> Seq Scan on int4_tbl tinner_1 - Filter: (f1 = touter.f1) - SubPlan 2 - -> Seq Scan on int4_tbl tinner -(14 rows) - -drop table asptab; --- --- Test Partition pruning for HASH partitioning --- --- Use hand-rolled hash functions and operator classes to get predictable --- result on different machines. See the definitions of --- part_test_int4_ops and part_test_text_ops in test_setup.sql. --- -create table hp (a int, b text, c int) - partition by hash (a part_test_int4_ops, b part_test_text_ops); -create table hp0 partition of hp for values with (modulus 4, remainder 0); -create table hp3 partition of hp for values with (modulus 4, remainder 3); -create table hp1 partition of hp for values with (modulus 4, remainder 1); -create table hp2 partition of hp for values with (modulus 4, remainder 2); -insert into hp values (null, null, 0); -insert into hp values (1, null, 1); -insert into hp values (1, 'xxx', 2); -insert into hp values (null, 'xxx', 3); -insert into hp values (2, 'xxx', 4); -insert into hp values (1, 'abcde', 5); -select tableoid::regclass, * from hp order by c; - tableoid | a | b | c -----------+---+-------+--- - hp0 | | | 0 - hp1 | 1 | | 1 - hp0 | 1 | xxx | 2 - hp2 | | xxx | 3 - hp3 | 2 | xxx | 4 - hp2 | 1 | abcde | 5 -(6 rows) - --- partial keys won't prune, nor would non-equality conditions -explain (costs off) select * from hp where a = 1; - QUERY PLAN ----------------------------- - Append - -> Seq Scan on hp0 hp_1 - Filter: (a = 1) - -> Seq Scan on hp1 hp_2 - Filter: (a = 1) - -> Seq Scan on hp2 hp_3 - Filter: (a = 1) - -> Seq Scan on hp3 hp_4 - Filter: (a = 1) -(9 rows) - -explain (costs off) select * from hp where b = 'xxx'; - QUERY PLAN ------------------------------------ - Append - -> Seq Scan on hp0 hp_1 - Filter: (b = 'xxx'::text) - -> Seq Scan on hp1 hp_2 - Filter: (b = 'xxx'::text) - -> Seq Scan on hp2 hp_3 - Filter: (b = 'xxx'::text) - -> Seq Scan on hp3 hp_4 - Filter: (b = 'xxx'::text) -(9 rows) - -explain (costs off) select * from hp where a is null; - QUERY PLAN ------------------------------ - Append - -> Seq Scan on hp0 hp_1 - Filter: (a IS NULL) - -> Seq Scan on hp1 hp_2 - Filter: (a IS NULL) - -> Seq Scan on hp2 hp_3 - Filter: (a IS NULL) - -> Seq Scan on hp3 hp_4 - Filter: (a IS NULL) -(9 rows) - -explain (costs off) select * from hp where b is null; - QUERY PLAN ------------------------------ - Append - -> Seq Scan on hp0 hp_1 - Filter: (b IS NULL) - -> Seq Scan on hp1 hp_2 - Filter: (b IS NULL) - -> Seq Scan on hp2 hp_3 - Filter: (b IS NULL) - -> Seq Scan on hp3 hp_4 - Filter: (b IS NULL) -(9 rows) - -explain (costs off) select * from hp where a < 1 and b = 'xxx'; - QUERY PLAN -------------------------------------------------- - Append - -> Seq Scan on hp0 hp_1 - Filter: ((a < 1) AND (b = 'xxx'::text)) - -> Seq Scan on hp1 hp_2 - Filter: ((a < 1) AND (b = 'xxx'::text)) - -> Seq Scan on hp2 hp_3 - Filter: ((a < 1) AND (b = 'xxx'::text)) - -> Seq Scan on hp3 hp_4 - Filter: ((a < 1) AND (b = 'xxx'::text)) -(9 rows) - -explain (costs off) select * from hp where a <> 1 and b = 'yyy'; - QUERY PLAN --------------------------------------------------- - Append - -> Seq Scan on hp0 hp_1 - Filter: ((a <> 1) AND (b = 'yyy'::text)) - -> Seq Scan on hp1 hp_2 - Filter: ((a <> 1) AND (b = 'yyy'::text)) - -> Seq Scan on hp2 hp_3 - Filter: ((a <> 1) AND (b = 'yyy'::text)) - -> Seq Scan on hp3 hp_4 - Filter: ((a <> 1) AND (b = 'yyy'::text)) -(9 rows) - -explain (costs off) select * from hp where a <> 1 and b <> 'xxx'; - QUERY PLAN ---------------------------------------------------- - Append - -> Seq Scan on hp0 hp_1 - Filter: ((a <> 1) AND (b <> 'xxx'::text)) - -> Seq Scan on hp1 hp_2 - Filter: ((a <> 1) AND (b <> 'xxx'::text)) - -> Seq Scan on hp2 hp_3 - Filter: ((a <> 1) AND (b <> 'xxx'::text)) - -> Seq Scan on hp3 hp_4 - Filter: ((a <> 1) AND (b <> 'xxx'::text)) -(9 rows) - --- pruning should work if either a value or a IS NULL clause is provided for --- each of the keys -explain (costs off) select * from hp where a is null and b is null; - QUERY PLAN ------------------------------------------ - Seq Scan on hp0 hp - Filter: ((a IS NULL) AND (b IS NULL)) -(2 rows) - -explain (costs off) select * from hp where a = 1 and b is null; - QUERY PLAN -------------------------------------- - Seq Scan on hp1 hp - Filter: ((b IS NULL) AND (a = 1)) -(2 rows) - -explain (costs off) select * from hp where a = 1 and b = 'xxx'; - QUERY PLAN -------------------------------------------- - Seq Scan on hp0 hp - Filter: ((a = 1) AND (b = 'xxx'::text)) -(2 rows) - -explain (costs off) select * from hp where a is null and b = 'xxx'; - QUERY PLAN ------------------------------------------------ - Seq Scan on hp2 hp - Filter: ((a IS NULL) AND (b = 'xxx'::text)) -(2 rows) - -explain (costs off) select * from hp where a = 2 and b = 'xxx'; - QUERY PLAN -------------------------------------------- - Seq Scan on hp3 hp - Filter: ((a = 2) AND (b = 'xxx'::text)) -(2 rows) - -explain (costs off) select * from hp where a = 1 and b = 'abcde'; - QUERY PLAN ---------------------------------------------- - Seq Scan on hp2 hp - Filter: ((a = 1) AND (b = 'abcde'::text)) -(2 rows) - -explain (costs off) select * from hp where (a = 1 and b = 'abcde') or (a = 2 and b = 'xxx') or (a is null and b is null); - QUERY PLAN -------------------------------------------------------------------------------------------------------------------------- - Append - -> Seq Scan on hp0 hp_1 - Filter: (((a = 1) AND (b = 'abcde'::text)) OR ((a = 2) AND (b = 'xxx'::text)) OR ((a IS NULL) AND (b IS NULL))) - -> Seq Scan on hp2 hp_2 - Filter: (((a = 1) AND (b = 'abcde'::text)) OR ((a = 2) AND (b = 'xxx'::text)) OR ((a IS NULL) AND (b IS NULL))) - -> Seq Scan on hp3 hp_3 - Filter: (((a = 1) AND (b = 'abcde'::text)) OR ((a = 2) AND (b = 'xxx'::text)) OR ((a IS NULL) AND (b IS NULL))) -(7 rows) - --- test pruning when not all the partitions exist -drop table hp1; -drop table hp3; -explain (costs off) select * from hp where a = 1 and b = 'abcde'; - QUERY PLAN ---------------------------------------------- - Seq Scan on hp2 hp - Filter: ((a = 1) AND (b = 'abcde'::text)) -(2 rows) - -explain (costs off) select * from hp where a = 1 and b = 'abcde' and - (c = 2 or c = 3); - QUERY PLAN ----------------------------------------------------------------------- - Seq Scan on hp2 hp - Filter: ((a = 1) AND (b = 'abcde'::text) AND ((c = 2) OR (c = 3))) -(2 rows) - -drop table hp2; -explain (costs off) select * from hp where a = 1 and b = 'abcde' and - (c = 2 or c = 3); - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - --- --- Test runtime partition pruning --- -create table ab (a int not null, b int not null) partition by list (a); -create table ab_a2 partition of ab for values in(2) partition by list (b); -create table ab_a2_b1 partition of ab_a2 for values in (1); -create table ab_a2_b2 partition of ab_a2 for values in (2); -create table ab_a2_b3 partition of ab_a2 for values in (3); -create table ab_a1 partition of ab for values in(1) partition by list (b); -create table ab_a1_b1 partition of ab_a1 for values in (1); -create table ab_a1_b2 partition of ab_a1 for values in (2); -create table ab_a1_b3 partition of ab_a1 for values in (3); -create table ab_a3 partition of ab for values in(3) partition by list (b); -create table ab_a3_b1 partition of ab_a3 for values in (1); -create table ab_a3_b2 partition of ab_a3 for values in (2); -create table ab_a3_b3 partition of ab_a3 for values in (3); --- Disallow index only scans as concurrent transactions may stop visibility --- bits being set causing "Heap Fetches" to be unstable in the EXPLAIN ANALYZE --- output. -set enable_indexonlyscan = off; -prepare ab_q1 (int, int, int) as -select * from ab where a between $1 and $2 and b <= $3; -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q1 (2, 2, 3); - QUERY PLAN ------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 6 - -> Seq Scan on ab_a2_b1 ab_1 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a2_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a2_b3 ab_3 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) -(8 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q1 (1, 2, 3); - QUERY PLAN ------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 3 - -> Seq Scan on ab_a1_b1 ab_1 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a1_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a1_b3 ab_3 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a2_b1 ab_4 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a2_b2 ab_5 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) - -> Seq Scan on ab_a2_b3 ab_6 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b <= $3)) -(14 rows) - -deallocate ab_q1; --- Runtime pruning after optimizer pruning -prepare ab_q1 (int, int) as -select a from ab where a between $1 and $2 and b < 3; -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q1 (2, 2); - QUERY PLAN ------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 4 - -> Seq Scan on ab_a2_b1 ab_1 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) - -> Seq Scan on ab_a2_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) -(6 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q1 (2, 4); - QUERY PLAN ------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 - -> Seq Scan on ab_a2_b1 ab_1 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) - -> Seq Scan on ab_a2_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) - -> Seq Scan on ab_a3_b1 ab_3 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) - -> Seq Scan on ab_a3_b2 ab_4 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < 3)) -(10 rows) - --- Ensure a mix of PARAM_EXTERN and PARAM_EXEC Params work together at --- different levels of partitioning. -prepare ab_q2 (int, int) as -select a from ab where a between $1 and $2 and b < (select 3); -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q2 (2, 2); - QUERY PLAN ------------------------------------------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 6 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on ab_a2_b1 ab_1 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < (InitPlan 1).col1)) - -> Seq Scan on ab_a2_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((a >= $1) AND (a <= $2) AND (b < (InitPlan 1).col1)) - -> Seq Scan on ab_a2_b3 ab_3 (never executed) - Filter: ((a >= $1) AND (a <= $2) AND (b < (InitPlan 1).col1)) -(10 rows) - --- As above, but swap the PARAM_EXEC Param to the first partition level -prepare ab_q3 (int, int) as -select a from ab where b between $1 and $2 and a < (select 3); -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q3 (2, 2); - QUERY PLAN ------------------------------------------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 6 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on ab_a1_b2 ab_1 (actual rows=0.00 loops=1) - Filter: ((b >= $1) AND (b <= $2) AND (a < (InitPlan 1).col1)) - -> Seq Scan on ab_a2_b2 ab_2 (actual rows=0.00 loops=1) - Filter: ((b >= $1) AND (b <= $2) AND (a < (InitPlan 1).col1)) - -> Seq Scan on ab_a3_b2 ab_3 (never executed) - Filter: ((b >= $1) AND (b <= $2) AND (a < (InitPlan 1).col1)) -(10 rows) - --- --- Test runtime pruning with hash partitioned tables --- --- recreate partitions dropped above -create table hp1 partition of hp for values with (modulus 4, remainder 1); -create table hp2 partition of hp for values with (modulus 4, remainder 2); -create table hp3 partition of hp for values with (modulus 4, remainder 3); --- Ensure we correctly prune unneeded partitions when there is an IS NULL qual -prepare hp_q1 (text) as -select * from hp where a is null and b = $1; -explain (costs off) execute hp_q1('xxx'); - QUERY PLAN --------------------------------------------- - Append - Subplans Removed: 3 - -> Seq Scan on hp2 hp_1 - Filter: ((a IS NULL) AND (b = $1)) -(4 rows) - -deallocate hp_q1; -drop table hp; --- Test a backwards Append scan -create table list_part (a int) partition by list (a); -create table list_part1 partition of list_part for values in (1); -create table list_part2 partition of list_part for values in (2); -create table list_part3 partition of list_part for values in (3); -create table list_part4 partition of list_part for values in (4); -insert into list_part select generate_series(1,4); -begin; --- Don't select an actual value out of the table as the order of the Append's --- subnodes may not be stable. -declare cur SCROLL CURSOR for select 1 from list_part where a > (select 1) and a < (select 4); --- move beyond the final row -move 3 from cur; --- Ensure we get two rows. -fetch backward all from cur; - ?column? ----------- - 1 - 1 -(2 rows) - -commit; -begin; --- Test run-time pruning using stable functions -create function list_part_fn(int) returns int as $$ begin return $1; end;$$ language plpgsql stable; --- Ensure pruning works using a stable function containing no Vars -explain (analyze, costs off, summary off, timing off, buffers off) select * from list_part where a = list_part_fn(1); - QUERY PLAN ---------------------------------------------------------------------- - Append (actual rows=1.00 loops=1) - Subplans Removed: 3 - -> Seq Scan on list_part1 list_part_1 (actual rows=1.00 loops=1) - Filter: (a = list_part_fn(1)) -(4 rows) - --- Ensure pruning does not take place when the function has a Var parameter -explain (analyze, costs off, summary off, timing off, buffers off) select * from list_part where a = list_part_fn(a); - QUERY PLAN ---------------------------------------------------------------------- - Append (actual rows=4.00 loops=1) - -> Seq Scan on list_part1 list_part_1 (actual rows=1.00 loops=1) - Filter: (a = list_part_fn(a)) - -> Seq Scan on list_part2 list_part_2 (actual rows=1.00 loops=1) - Filter: (a = list_part_fn(a)) - -> Seq Scan on list_part3 list_part_3 (actual rows=1.00 loops=1) - Filter: (a = list_part_fn(a)) - -> Seq Scan on list_part4 list_part_4 (actual rows=1.00 loops=1) - Filter: (a = list_part_fn(a)) -(9 rows) - --- Ensure pruning does not take place when the expression contains a Var. -explain (analyze, costs off, summary off, timing off, buffers off) select * from list_part where a = list_part_fn(1) + a; - QUERY PLAN ---------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - -> Seq Scan on list_part1 list_part_1 (actual rows=0.00 loops=1) - Filter: (a = (list_part_fn(1) + a)) - Rows Removed by Filter: 1 - -> Seq Scan on list_part2 list_part_2 (actual rows=0.00 loops=1) - Filter: (a = (list_part_fn(1) + a)) - Rows Removed by Filter: 1 - -> Seq Scan on list_part3 list_part_3 (actual rows=0.00 loops=1) - Filter: (a = (list_part_fn(1) + a)) - Rows Removed by Filter: 1 - -> Seq Scan on list_part4 list_part_4 (actual rows=0.00 loops=1) - Filter: (a = (list_part_fn(1) + a)) - Rows Removed by Filter: 1 -(13 rows) - -rollback; -drop table list_part; --- Parallel append --- Parallel queries won't necessarily get as many workers as the planner --- asked for. This affects not only the "Workers Launched:" field of EXPLAIN --- results, but also row counts and loop counts for parallel scans, Gathers, --- and everything in between. This function filters out the values we can't --- rely on to be stable. --- This removes enough info that you might wonder why bother with EXPLAIN --- ANALYZE at all. The answer is that we need to see '(never executed)' --- notations because that's the only way to verify runtime pruning. -create function explain_parallel_append(text) returns setof text -language plpgsql as -$$ -declare - ln text; -begin - for ln in - execute format('explain (analyze, costs off, summary off, timing off, buffers off) %s', - $1) - loop - ln := regexp_replace(ln, 'Workers Launched: \d+', 'Workers Launched: N'); - ln := regexp_replace(ln, 'actual rows=\d+(?:\.\d+)? loops=\d+', 'actual rows=N loops=N'); - ln := regexp_replace(ln, 'Rows Removed by Filter: \d+', 'Rows Removed by Filter: N'); - perform regexp_matches(ln, 'Index Searches: \d+'); - if found then - continue; - end if; - return next ln; - end loop; -end; -$$; -prepare ab_q4 (int, int) as -select avg(a) from ab where a between $1 and $2 and b < 4; --- Encourage use of parallel plans -set parallel_setup_cost = 0; -set parallel_tuple_cost = 0; -set min_parallel_table_scan_size = 0; -set max_parallel_workers_per_gather = 2; -select explain_parallel_append('execute ab_q4 (2, 2)'); - explain_parallel_append ------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - Subplans Removed: 6 - -> Parallel Seq Scan on ab_a2_b1 ab_1 (actual rows=N loops=N) - Filter: ((a >= $1) AND (a <= $2) AND (b < 4)) - -> Parallel Seq Scan on ab_a2_b2 ab_2 (actual rows=N loops=N) - Filter: ((a >= $1) AND (a <= $2) AND (b < 4)) - -> Parallel Seq Scan on ab_a2_b3 ab_3 (actual rows=N loops=N) - Filter: ((a >= $1) AND (a <= $2) AND (b < 4)) -(13 rows) - --- Test run-time pruning with IN lists. -prepare ab_q5 (int, int, int) as -select avg(a) from ab where a in($1,$2,$3) and b < 4; -select explain_parallel_append('execute ab_q5 (1, 1, 1)'); - explain_parallel_append ------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - Subplans Removed: 6 - -> Parallel Seq Scan on ab_a1_b1 ab_1 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a1_b2 ab_2 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a1_b3 ab_3 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) -(13 rows) - -select explain_parallel_append('execute ab_q5 (2, 3, 3)'); - explain_parallel_append ------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - Subplans Removed: 3 - -> Parallel Seq Scan on ab_a2_b1 ab_1 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a2_b2 ab_2 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a2_b3 ab_3 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a3_b1 ab_4 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a3_b2 ab_5 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) - -> Parallel Seq Scan on ab_a3_b3 ab_6 (actual rows=N loops=N) - Filter: ((b < 4) AND (a = ANY (ARRAY[$1, $2, $3]))) -(19 rows) - --- Try some params whose values do not belong to any partition. -select explain_parallel_append('execute ab_q5 (33, 44, 55)'); - explain_parallel_append ------------------------------------------------------------ - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - Subplans Removed: 9 -(7 rows) - --- Test Parallel Append with PARAM_EXEC Params -select explain_parallel_append('select count(*) from ab where (a = (select 1) or a = (select 3)) and b = 2'); - explain_parallel_append ------------------------------------------------------------------------------------------------- - Aggregate (actual rows=N loops=N) - InitPlan 1 - -> Result (actual rows=N loops=N) - InitPlan 2 - -> Result (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Parallel Append (actual rows=N loops=N) - -> Parallel Seq Scan on ab_a1_b2 ab_1 (actual rows=N loops=N) - Filter: ((b = 2) AND ((a = (InitPlan 1).col1) OR (a = (InitPlan 2).col1))) - -> Parallel Seq Scan on ab_a2_b2 ab_2 (never executed) - Filter: ((b = 2) AND ((a = (InitPlan 1).col1) OR (a = (InitPlan 2).col1))) - -> Parallel Seq Scan on ab_a3_b2 ab_3 (actual rows=N loops=N) - Filter: ((b = 2) AND ((a = (InitPlan 1).col1) OR (a = (InitPlan 2).col1))) -(15 rows) - --- Test pruning during parallel nested loop query -create table lprt_a (a int not null); --- Insert some values we won't find in ab -insert into lprt_a select 0 from generate_series(1,100); --- and insert some values that we should find. -insert into lprt_a values(1),(1); -analyze lprt_a; -create index ab_a2_b1_a_idx on ab_a2_b1 (a); -create index ab_a2_b2_a_idx on ab_a2_b2 (a); -create index ab_a2_b3_a_idx on ab_a2_b3 (a); -create index ab_a1_b1_a_idx on ab_a1_b1 (a); -create index ab_a1_b2_a_idx on ab_a1_b2 (a); -create index ab_a1_b3_a_idx on ab_a1_b3 (a); -create index ab_a3_b1_a_idx on ab_a3_b1 (a); -create index ab_a3_b2_a_idx on ab_a3_b2 (a); -create index ab_a3_b3_a_idx on ab_a3_b3 (a); -set enable_hashjoin = 0; -set enable_mergejoin = 0; -set enable_memoize = 0; -select explain_parallel_append('select avg(ab.a) from ab inner join lprt_a a on ab.a = a.a where a.a in(0, 0, 1)'); - explain_parallel_append --------------------------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 1 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Nested Loop (actual rows=N loops=N) - -> Parallel Seq Scan on lprt_a a (actual rows=N loops=N) - Filter: (a = ANY ('{0,0,1}'::integer[])) - -> Append (actual rows=N loops=N) - -> Index Scan using ab_a1_b1_a_idx on ab_a1_b1 ab_1 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b2_a_idx on ab_a1_b2 ab_2 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b3_a_idx on ab_a1_b3 ab_3 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b1_a_idx on ab_a2_b1 ab_4 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b2_a_idx on ab_a2_b2 ab_5 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b3_a_idx on ab_a2_b3 ab_6 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b1_a_idx on ab_a3_b1 ab_7 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b2_a_idx on ab_a3_b2 ab_8 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b3_a_idx on ab_a3_b3 ab_9 (never executed) - Index Cond: (a = a.a) -(27 rows) - --- Ensure the same partitions are pruned when we make the nested loop --- parameter an Expr rather than a plain Param. -select explain_parallel_append('select avg(ab.a) from ab inner join lprt_a a on ab.a = a.a + 0 where a.a in(0, 0, 1)'); - explain_parallel_append --------------------------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 1 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Nested Loop (actual rows=N loops=N) - -> Parallel Seq Scan on lprt_a a (actual rows=N loops=N) - Filter: (a = ANY ('{0,0,1}'::integer[])) - -> Append (actual rows=N loops=N) - -> Index Scan using ab_a1_b1_a_idx on ab_a1_b1 ab_1 (actual rows=N loops=N) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a1_b2_a_idx on ab_a1_b2 ab_2 (actual rows=N loops=N) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a1_b3_a_idx on ab_a1_b3 ab_3 (actual rows=N loops=N) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a2_b1_a_idx on ab_a2_b1 ab_4 (never executed) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a2_b2_a_idx on ab_a2_b2 ab_5 (never executed) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a2_b3_a_idx on ab_a2_b3 ab_6 (never executed) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a3_b1_a_idx on ab_a3_b1 ab_7 (never executed) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a3_b2_a_idx on ab_a3_b2 ab_8 (never executed) - Index Cond: (a = (a.a + 0)) - -> Index Scan using ab_a3_b3_a_idx on ab_a3_b3 ab_9 (never executed) - Index Cond: (a = (a.a + 0)) -(27 rows) - -insert into lprt_a values(3),(3); -select explain_parallel_append('select avg(ab.a) from ab inner join lprt_a a on ab.a = a.a where a.a in(1, 0, 3)'); - explain_parallel_append --------------------------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 1 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Nested Loop (actual rows=N loops=N) - -> Parallel Seq Scan on lprt_a a (actual rows=N loops=N) - Filter: (a = ANY ('{1,0,3}'::integer[])) - -> Append (actual rows=N loops=N) - -> Index Scan using ab_a1_b1_a_idx on ab_a1_b1 ab_1 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b2_a_idx on ab_a1_b2 ab_2 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b3_a_idx on ab_a1_b3 ab_3 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b1_a_idx on ab_a2_b1 ab_4 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b2_a_idx on ab_a2_b2 ab_5 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b3_a_idx on ab_a2_b3 ab_6 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b1_a_idx on ab_a3_b1 ab_7 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b2_a_idx on ab_a3_b2 ab_8 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b3_a_idx on ab_a3_b3 ab_9 (actual rows=N loops=N) - Index Cond: (a = a.a) -(27 rows) - -select explain_parallel_append('select avg(ab.a) from ab inner join lprt_a a on ab.a = a.a where a.a in(1, 0, 0)'); - explain_parallel_append --------------------------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 1 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Nested Loop (actual rows=N loops=N) - -> Parallel Seq Scan on lprt_a a (actual rows=N loops=N) - Filter: (a = ANY ('{1,0,0}'::integer[])) - Rows Removed by Filter: N - -> Append (actual rows=N loops=N) - -> Index Scan using ab_a1_b1_a_idx on ab_a1_b1 ab_1 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b2_a_idx on ab_a1_b2 ab_2 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b3_a_idx on ab_a1_b3 ab_3 (actual rows=N loops=N) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b1_a_idx on ab_a2_b1 ab_4 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b2_a_idx on ab_a2_b2 ab_5 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b3_a_idx on ab_a2_b3 ab_6 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b1_a_idx on ab_a3_b1 ab_7 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b2_a_idx on ab_a3_b2 ab_8 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b3_a_idx on ab_a3_b3 ab_9 (never executed) - Index Cond: (a = a.a) -(28 rows) - -delete from lprt_a where a = 1; -select explain_parallel_append('select avg(ab.a) from ab inner join lprt_a a on ab.a = a.a where a.a in(1, 0, 0)'); - explain_parallel_append -------------------------------------------------------------------------------------------------- - Finalize Aggregate (actual rows=N loops=N) - -> Gather (actual rows=N loops=N) - Workers Planned: 1 - Workers Launched: N - -> Partial Aggregate (actual rows=N loops=N) - -> Nested Loop (actual rows=N loops=N) - -> Parallel Seq Scan on lprt_a a (actual rows=N loops=N) - Filter: (a = ANY ('{1,0,0}'::integer[])) - Rows Removed by Filter: N - -> Append (actual rows=N loops=N) - -> Index Scan using ab_a1_b1_a_idx on ab_a1_b1 ab_1 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b2_a_idx on ab_a1_b2 ab_2 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a1_b3_a_idx on ab_a1_b3 ab_3 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b1_a_idx on ab_a2_b1 ab_4 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b2_a_idx on ab_a2_b2 ab_5 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a2_b3_a_idx on ab_a2_b3 ab_6 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b1_a_idx on ab_a3_b1 ab_7 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b2_a_idx on ab_a3_b2 ab_8 (never executed) - Index Cond: (a = a.a) - -> Index Scan using ab_a3_b3_a_idx on ab_a3_b3 ab_9 (never executed) - Index Cond: (a = a.a) -(28 rows) - -reset enable_hashjoin; -reset enable_mergejoin; -reset enable_memoize; -reset parallel_setup_cost; -reset parallel_tuple_cost; -reset min_parallel_table_scan_size; -reset max_parallel_workers_per_gather; --- Test run-time partition pruning with an initplan -explain (analyze, costs off, summary off, timing off, buffers off) -select * from ab where a = (select max(a) from lprt_a) and b = (select max(a)-1 from lprt_a); - QUERY PLAN ----------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Aggregate (actual rows=1.00 loops=1) - -> Seq Scan on lprt_a (actual rows=102.00 loops=1) - InitPlan 2 - -> Aggregate (actual rows=1.00 loops=1) - -> Seq Scan on lprt_a lprt_a_1 (actual rows=102.00 loops=1) - -> Bitmap Heap Scan on ab_a1_b1 ab_1 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a1_b1_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a1_b2 ab_2 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a1_b2_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a1_b3 ab_3 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a1_b3_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a2_b1 ab_4 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a2_b1_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a2_b2 ab_5 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a2_b2_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a2_b3 ab_6 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a2_b3_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a3_b1 ab_7 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a3_b1_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a3_b2 ab_8 (actual rows=0.00 loops=1) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a3_b2_a_idx (actual rows=0.00 loops=1) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a3_b3 ab_9 (never executed) - Recheck Cond: (a = (InitPlan 1).col1) - Filter: (b = (InitPlan 2).col1) - -> Bitmap Index Scan on ab_a3_b3_a_idx (never executed) - Index Cond: (a = (InitPlan 1).col1) - Index Searches: 0 -(61 rows) - --- Test run-time partition pruning with UNION ALL parents -explain (analyze, costs off, summary off, timing off, buffers off) -select * from (select * from ab where a = 1 union all select * from ab) ab where b = (select 1); - QUERY PLAN ----------------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Append (actual rows=0.00 loops=1) - -> Bitmap Heap Scan on ab_a1_b1 ab_11 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b1_a_idx (actual rows=0.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b2 ab_12 (never executed) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b2_a_idx (never executed) - Index Cond: (a = 1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a1_b3 ab_13 (never executed) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b3_a_idx (never executed) - Index Cond: (a = 1) - Index Searches: 0 - -> Seq Scan on ab_a1_b1 ab_1 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a1_b2 ab_2 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a1_b3 ab_3 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b1 ab_4 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b2 ab_5 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b3 ab_6 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b1 ab_7 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b2 ab_8 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b3 ab_9 (never executed) - Filter: (b = (InitPlan 1).col1) -(40 rows) - --- A case containing a UNION ALL with a non-partitioned child. -explain (analyze, costs off, summary off, timing off, buffers off) -select * from (select * from ab where a = 1 union all (values(10,5)) union all select * from ab) ab where b = (select 1); - QUERY PLAN ----------------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Append (actual rows=0.00 loops=1) - -> Bitmap Heap Scan on ab_a1_b1 ab_11 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b1_a_idx (actual rows=0.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b2 ab_12 (never executed) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b2_a_idx (never executed) - Index Cond: (a = 1) - Index Searches: 0 - -> Bitmap Heap Scan on ab_a1_b3 ab_13 (never executed) - Recheck Cond: (a = 1) - Filter: (b = (InitPlan 1).col1) - -> Bitmap Index Scan on ab_a1_b3_a_idx (never executed) - Index Cond: (a = 1) - Index Searches: 0 - -> Result (actual rows=0.00 loops=1) - One-Time Filter: (5 = (InitPlan 1).col1) - -> Seq Scan on ab_a1_b1 ab_1 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a1_b2 ab_2 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a1_b3 ab_3 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b1 ab_4 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b2 ab_5 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b3 ab_6 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b1 ab_7 (actual rows=0.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b2 ab_8 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a3_b3 ab_9 (never executed) - Filter: (b = (InitPlan 1).col1) -(42 rows) - --- Another UNION ALL test, but containing a mix of exec init and exec run-time pruning. -create table xy_1 (x int, y int); -insert into xy_1 values(100,-10); -set enable_bitmapscan = 0; -set enable_indexscan = 0; -prepare ab_q6 as -select * from ( - select tableoid::regclass,a,b from ab -union all - select tableoid::regclass,x,y from xy_1 -union all - select tableoid::regclass,a,b from ab -) ab where a = $1 and b = (select -10); --- Ensure the xy_1 subplan is not pruned. -explain (analyze, costs off, summary off, timing off, buffers off) execute ab_q6(1); - QUERY PLAN --------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 12 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on ab_a1_b1 ab_1 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) - -> Seq Scan on ab_a1_b2 ab_2 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) - -> Seq Scan on ab_a1_b3 ab_3 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) - -> Seq Scan on xy_1 (actual rows=0.00 loops=1) - Filter: ((x = $1) AND (y = (InitPlan 1).col1)) - Rows Removed by Filter: 1 - -> Seq Scan on ab_a1_b1 ab_4 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) - -> Seq Scan on ab_a1_b2 ab_5 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) - -> Seq Scan on ab_a1_b3 ab_6 (never executed) - Filter: ((a = $1) AND (b = (InitPlan 1).col1)) -(19 rows) - --- Ensure we see just the xy_1 row. -execute ab_q6(100); - tableoid | a | b -----------+-----+----- - xy_1 | 100 | -10 -(1 row) - -reset enable_bitmapscan; -reset enable_indexscan; -deallocate ab_q1; -deallocate ab_q2; -deallocate ab_q3; -deallocate ab_q4; -deallocate ab_q5; -deallocate ab_q6; --- UPDATE on a partition subtree has been seen to have problems. -insert into ab values (1,2); -select explain_analyze(' -update ab_a1 set b = 3 from ab where ab.a = 1 and ab.a = ab_a1.a;'); - explain_analyze ----------------------------------------------------------------------------------------------- - Update on ab_a1 (actual rows=0.00 loops=1) - Update on ab_a1_b1 ab_a1_1 - Update on ab_a1_b2 ab_a1_2 - Update on ab_a1_b3 ab_a1_3 - -> Nested Loop (actual rows=1.00 loops=1) - -> Append (actual rows=1.00 loops=1) - -> Bitmap Heap Scan on ab_a1_b1 ab_a1_1 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - -> Bitmap Index Scan on ab_a1_b1_a_idx (actual rows=0.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b2 ab_a1_2 (actual rows=1.00 loops=1) - Recheck Cond: (a = 1) - Heap Blocks: exact=1 - -> Bitmap Index Scan on ab_a1_b2_a_idx (actual rows=1.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b3 ab_a1_3 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - Heap Blocks: exact=1 - -> Bitmap Index Scan on ab_a1_b3_a_idx (actual rows=1.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Materialize (actual rows=1.00 loops=1) - Storage: Memory Maximum Storage: NkB - -> Append (actual rows=1.00 loops=1) - -> Bitmap Heap Scan on ab_a1_b1 ab_1 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - -> Bitmap Index Scan on ab_a1_b1_a_idx (actual rows=0.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b2 ab_2 (actual rows=1.00 loops=1) - Recheck Cond: (a = 1) - Heap Blocks: exact=1 - -> Bitmap Index Scan on ab_a1_b2_a_idx (actual rows=1.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 - -> Bitmap Heap Scan on ab_a1_b3 ab_3 (actual rows=0.00 loops=1) - Recheck Cond: (a = 1) - Heap Blocks: exact=1 - -> Bitmap Index Scan on ab_a1_b3_a_idx (actual rows=1.00 loops=1) - Index Cond: (a = 1) - Index Searches: 1 -(43 rows) - -table ab; - a | b ----+--- - 1 | 3 -(1 row) - --- Test UPDATE where source relation has run-time pruning enabled -truncate ab; -insert into ab values (1, 1), (1, 2), (1, 3), (2, 1); -select explain_analyze(' -update ab_a1 set b = 3 from ab_a2 where ab_a2.b = (select 1);'); - explain_analyze ---------------------------------------------------------------------------------- - Update on ab_a1 (actual rows=0.00 loops=1) - Update on ab_a1_b1 ab_a1_1 - Update on ab_a1_b2 ab_a1_2 - Update on ab_a1_b3 ab_a1_3 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Nested Loop (actual rows=3.00 loops=1) - -> Append (actual rows=3.00 loops=1) - -> Seq Scan on ab_a1_b1 ab_a1_1 (actual rows=1.00 loops=1) - -> Seq Scan on ab_a1_b2 ab_a1_2 (actual rows=1.00 loops=1) - -> Seq Scan on ab_a1_b3 ab_a1_3 (actual rows=1.00 loops=1) - -> Materialize (actual rows=1.00 loops=3) - Storage: Memory Maximum Storage: NkB - -> Append (actual rows=1.00 loops=1) - -> Seq Scan on ab_a2_b1 ab_a2_1 (actual rows=1.00 loops=1) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b2 ab_a2_2 (never executed) - Filter: (b = (InitPlan 1).col1) - -> Seq Scan on ab_a2_b3 ab_a2_3 (never executed) - Filter: (b = (InitPlan 1).col1) -(20 rows) - -select tableoid::regclass, * from ab; - tableoid | a | b -----------+---+--- - ab_a1_b3 | 1 | 3 - ab_a1_b3 | 1 | 3 - ab_a1_b3 | 1 | 3 - ab_a2_b1 | 2 | 1 -(4 rows) - -drop table ab, lprt_a; --- Join -create table tbl1(col1 int); -insert into tbl1 values (501), (505); --- Basic table -create table tprt (col1 int) partition by range (col1); -create table tprt_1 partition of tprt for values from (1) to (501); -create table tprt_2 partition of tprt for values from (501) to (1001); -create table tprt_3 partition of tprt for values from (1001) to (2001); -create table tprt_4 partition of tprt for values from (2001) to (3001); -create table tprt_5 partition of tprt for values from (3001) to (4001); -create table tprt_6 partition of tprt for values from (4001) to (5001); -create index tprt1_idx on tprt_1 (col1); -create index tprt2_idx on tprt_2 (col1); -create index tprt3_idx on tprt_3 (col1); -create index tprt4_idx on tprt_4 (col1); -create index tprt5_idx on tprt_5 (col1); -create index tprt6_idx on tprt_6 (col1); -insert into tprt values (10), (20), (501), (502), (505), (1001), (4500); -set enable_hashjoin = off; -set enable_mergejoin = off; -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 join tprt on tbl1.col1 > tprt.col1; - QUERY PLAN ------------------------------------------------------------------------------ - Nested Loop (actual rows=6.00 loops=1) - -> Seq Scan on tbl1 (actual rows=2.00 loops=1) - -> Append (actual rows=3.00 loops=2) - -> Index Scan using tprt1_idx on tprt_1 (actual rows=2.00 loops=2) - Index Cond: (col1 < tbl1.col1) - Index Searches: 2 - -> Index Scan using tprt2_idx on tprt_2 (actual rows=2.00 loops=1) - Index Cond: (col1 < tbl1.col1) - Index Searches: 1 - -> Index Scan using tprt3_idx on tprt_3 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 -(21 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 join tprt on tbl1.col1 = tprt.col1; - QUERY PLAN ------------------------------------------------------------------------------ - Nested Loop (actual rows=2.00 loops=1) - -> Seq Scan on tbl1 (actual rows=2.00 loops=1) - -> Append (actual rows=1.00 loops=2) - -> Index Scan using tprt1_idx on tprt_1 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt2_idx on tprt_2 (actual rows=1.00 loops=2) - Index Cond: (col1 = tbl1.col1) - Index Searches: 2 - -> Index Scan using tprt3_idx on tprt_3 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 -(21 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 > tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ - 501 | 10 - 501 | 20 - 505 | 10 - 505 | 20 - 505 | 501 - 505 | 502 -(6 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 = tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ - 501 | 501 - 505 | 505 -(2 rows) - --- Multiple partitions -insert into tbl1 values (1001), (1010), (1011); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 inner join tprt on tbl1.col1 > tprt.col1; - QUERY PLAN ------------------------------------------------------------------------------ - Nested Loop (actual rows=23.00 loops=1) - -> Seq Scan on tbl1 (actual rows=5.00 loops=1) - -> Append (actual rows=4.60 loops=5) - -> Index Scan using tprt1_idx on tprt_1 (actual rows=2.00 loops=5) - Index Cond: (col1 < tbl1.col1) - Index Searches: 5 - -> Index Scan using tprt2_idx on tprt_2 (actual rows=2.75 loops=4) - Index Cond: (col1 < tbl1.col1) - Index Searches: 4 - -> Index Scan using tprt3_idx on tprt_3 (actual rows=1.00 loops=2) - Index Cond: (col1 < tbl1.col1) - Index Searches: 2 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (never executed) - Index Cond: (col1 < tbl1.col1) - Index Searches: 0 -(21 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 inner join tprt on tbl1.col1 = tprt.col1; - QUERY PLAN ------------------------------------------------------------------------------ - Nested Loop (actual rows=3.00 loops=1) - -> Seq Scan on tbl1 (actual rows=5.00 loops=1) - -> Append (actual rows=0.60 loops=5) - -> Index Scan using tprt1_idx on tprt_1 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt2_idx on tprt_2 (actual rows=1.00 loops=2) - Index Cond: (col1 = tbl1.col1) - Index Searches: 2 - -> Index Scan using tprt3_idx on tprt_3 (actual rows=0.33 loops=3) - Index Cond: (col1 = tbl1.col1) - Index Searches: 3 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 -(21 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 > tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ - 501 | 10 - 501 | 20 - 505 | 10 - 505 | 20 - 505 | 501 - 505 | 502 - 1001 | 10 - 1001 | 20 - 1001 | 501 - 1001 | 502 - 1001 | 505 - 1010 | 10 - 1010 | 20 - 1010 | 501 - 1010 | 502 - 1010 | 505 - 1010 | 1001 - 1011 | 10 - 1011 | 20 - 1011 | 501 - 1011 | 502 - 1011 | 505 - 1011 | 1001 -(23 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 = tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ - 501 | 501 - 505 | 505 - 1001 | 1001 -(3 rows) - --- Last partition -delete from tbl1; -insert into tbl1 values (4400); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 join tprt on tbl1.col1 < tprt.col1; - QUERY PLAN ------------------------------------------------------------------------------ - Nested Loop (actual rows=1.00 loops=1) - -> Seq Scan on tbl1 (actual rows=1.00 loops=1) - -> Append (actual rows=1.00 loops=1) - -> Index Scan using tprt1_idx on tprt_1 (never executed) - Index Cond: (col1 > tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt2_idx on tprt_2 (never executed) - Index Cond: (col1 > tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt3_idx on tprt_3 (never executed) - Index Cond: (col1 > tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 > tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 > tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (actual rows=1.00 loops=1) - Index Cond: (col1 > tbl1.col1) - Index Searches: 1 -(21 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 < tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ - 4400 | 4500 -(1 row) - --- No matching partition -delete from tbl1; -insert into tbl1 values (10000); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from tbl1 join tprt on tbl1.col1 = tprt.col1; - QUERY PLAN -------------------------------------------------------------------- - Nested Loop (actual rows=0.00 loops=1) - -> Seq Scan on tbl1 (actual rows=1.00 loops=1) - -> Append (actual rows=0.00 loops=1) - -> Index Scan using tprt1_idx on tprt_1 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt2_idx on tprt_2 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt3_idx on tprt_3 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt4_idx on tprt_4 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt5_idx on tprt_5 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 - -> Index Scan using tprt6_idx on tprt_6 (never executed) - Index Cond: (col1 = tbl1.col1) - Index Searches: 0 -(21 rows) - -select tbl1.col1, tprt.col1 from tbl1 -inner join tprt on tbl1.col1 = tprt.col1 -order by tbl1.col1, tprt.col1; - col1 | col1 -------+------ -(0 rows) - -drop table tbl1, tprt; --- Test with columns defined in varying orders between each level -create table part_abc (a int not null, b int not null, c int not null) partition by list (a); -create table part_bac (b int not null, a int not null, c int not null) partition by list (b); -create table part_cab (c int not null, a int not null, b int not null) partition by list (c); -create table part_abc_p1 (a int not null, b int not null, c int not null); -alter table part_abc attach partition part_bac for values in(1); -alter table part_bac attach partition part_cab for values in(2); -alter table part_cab attach partition part_abc_p1 for values in(3); -prepare part_abc_q1 (int, int, int) as -select * from part_abc where a = $1 and b = $2 and c = $3; --- Single partition should be scanned. -explain (analyze, costs off, summary off, timing off, buffers off) execute part_abc_q1 (1, 2, 3); - QUERY PLAN -------------------------------------------------------------- - Seq Scan on part_abc_p1 part_abc (actual rows=0.00 loops=1) - Filter: ((a = $1) AND (b = $2) AND (c = $3)) -(2 rows) - -deallocate part_abc_q1; -drop table part_abc; --- Ensure that an Append node properly handles a sub-partitioned table --- matching without any of its leaf partitions matching the clause. -create table listp (a int, b int) partition by list (a); -create table listp_1 partition of listp for values in(1) partition by list (b); -create table listp_1_1 partition of listp_1 for values in(1); -create table listp_2 partition of listp for values in(2) partition by list (b); -create table listp_2_1 partition of listp_2 for values in(2); -select * from listp where b = 1; - a | b ----+--- -(0 rows) - --- Ensure that an Append node properly can handle selection of all first level --- partitions before finally detecting the correct set of 2nd level partitions --- which match the given parameter. -prepare q1 (int,int) as select * from listp where b in ($1,$2); -explain (analyze, costs off, summary off, timing off, buffers off) execute q1 (1,1); - QUERY PLAN ----------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 1 - -> Seq Scan on listp_1_1 listp_1 (actual rows=0.00 loops=1) - Filter: (b = ANY (ARRAY[$1, $2])) -(4 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) execute q1 (2,2); - QUERY PLAN ----------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 1 - -> Seq Scan on listp_2_1 listp_1 (actual rows=0.00 loops=1) - Filter: (b = ANY (ARRAY[$1, $2])) -(4 rows) - --- Try with no matching partitions. -explain (analyze, costs off, summary off, timing off, buffers off) execute q1 (0,0); - QUERY PLAN ------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 -(2 rows) - -deallocate q1; --- Test more complex cases where a not-equal condition further eliminates partitions. -prepare q1 (int,int,int,int) as select * from listp where b in($1,$2) and $3 <> b and $4 <> b; --- Both partitions allowed by IN clause, but one disallowed by <> clause -explain (analyze, costs off, summary off, timing off, buffers off) execute q1 (1,2,2,0); - QUERY PLAN -------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 1 - -> Seq Scan on listp_1_1 listp_1 (actual rows=0.00 loops=1) - Filter: ((b = ANY (ARRAY[$1, $2])) AND ($3 <> b) AND ($4 <> b)) -(4 rows) - --- Both partitions allowed by IN clause, then both excluded again by <> clauses. -explain (analyze, costs off, summary off, timing off, buffers off) execute q1 (1,2,2,1); - QUERY PLAN ------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 -(2 rows) - --- Ensure Params that evaluate to NULL properly prune away all partitions -explain (analyze, costs off, summary off, timing off, buffers off) -select * from listp where a = (select null::int); - QUERY PLAN ------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on listp_1_1 listp_1 (never executed) - Filter: (a = (InitPlan 1).col1) - -> Seq Scan on listp_2_1 listp_2 (never executed) - Filter: (a = (InitPlan 1).col1) -(7 rows) - -drop table listp; --- --- check that stable query clauses are only used in run-time pruning --- -create table stable_qual_pruning (a timestamp) partition by range (a); -create table stable_qual_pruning1 partition of stable_qual_pruning - for values from ('2000-01-01') to ('2000-02-01'); -create table stable_qual_pruning2 partition of stable_qual_pruning - for values from ('2000-02-01') to ('2000-03-01'); -create table stable_qual_pruning3 partition of stable_qual_pruning - for values from ('3000-02-01') to ('3000-03-01'); --- comparison against a stable value requires run-time pruning -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning where a < localtimestamp; - QUERY PLAN ------------------------------------------------------------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 1 - -> Seq Scan on stable_qual_pruning1 stable_qual_pruning_1 (actual rows=0.00 loops=1) - Filter: (a < LOCALTIMESTAMP) - -> Seq Scan on stable_qual_pruning2 stable_qual_pruning_2 (actual rows=0.00 loops=1) - Filter: (a < LOCALTIMESTAMP) -(6 rows) - --- timestamp < timestamptz comparison is only stable, not immutable -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning where a < '2000-02-01'::timestamptz; - QUERY PLAN ------------------------------------------------------------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 - -> Seq Scan on stable_qual_pruning1 stable_qual_pruning_1 (actual rows=0.00 loops=1) - Filter: (a < 'Tue Feb 01 00:00:00 2000 PST'::timestamp with time zone) -(4 rows) - --- check ScalarArrayOp cases -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(array['2010-02-01', '2020-01-01']::timestamp[]); - QUERY PLAN ------------------------------------ - Result (actual rows=0.00 loops=1) - One-Time Filter: false -(2 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(array['2000-02-01', '2010-01-01']::timestamp[]); - QUERY PLAN ----------------------------------------------------------------------------------------------------------------- - Seq Scan on stable_qual_pruning2 stable_qual_pruning (actual rows=0.00 loops=1) - Filter: (a = ANY ('{"Tue Feb 01 00:00:00 2000","Fri Jan 01 00:00:00 2010"}'::timestamp without time zone[])) -(2 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(array['2000-02-01', localtimestamp]::timestamp[]); - QUERY PLAN ------------------------------------------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 - -> Seq Scan on stable_qual_pruning2 stable_qual_pruning_1 (actual rows=0.00 loops=1) - Filter: (a = ANY (ARRAY['Tue Feb 01 00:00:00 2000'::timestamp without time zone, LOCALTIMESTAMP])) -(4 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(array['2010-02-01', '2020-01-01']::timestamptz[]); - QUERY PLAN ------------------------------------ - Append (actual rows=0.00 loops=1) - Subplans Removed: 3 -(2 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(array['2000-02-01', '2010-01-01']::timestamptz[]); - QUERY PLAN ---------------------------------------------------------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - Subplans Removed: 2 - -> Seq Scan on stable_qual_pruning2 stable_qual_pruning_1 (actual rows=0.00 loops=1) - Filter: (a = ANY ('{"Tue Feb 01 00:00:00 2000 PST","Fri Jan 01 00:00:00 2010 PST"}'::timestamp with time zone[])) -(4 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from stable_qual_pruning - where a = any(null::timestamptz[]); - QUERY PLAN ------------------------------------------------------------------------------------------ - Append (actual rows=0.00 loops=1) - -> Seq Scan on stable_qual_pruning1 stable_qual_pruning_1 (actual rows=0.00 loops=1) - Filter: (a = ANY (NULL::timestamp with time zone[])) - -> Seq Scan on stable_qual_pruning2 stable_qual_pruning_2 (actual rows=0.00 loops=1) - Filter: (a = ANY (NULL::timestamp with time zone[])) - -> Seq Scan on stable_qual_pruning3 stable_qual_pruning_3 (actual rows=0.00 loops=1) - Filter: (a = ANY (NULL::timestamp with time zone[])) -(7 rows) - -drop table stable_qual_pruning; --- --- Check that pruning with composite range partitioning works correctly when --- it must ignore clauses for trailing keys once it has seen a clause with --- non-inclusive operator for an earlier key --- -create table mc3p (a int, b int, c int) partition by range (a, abs(b), c); -create table mc3p0 partition of mc3p - for values from (0, 0, 0) to (0, maxvalue, maxvalue); -create table mc3p1 partition of mc3p - for values from (1, 1, 1) to (2, minvalue, minvalue); -create table mc3p2 partition of mc3p - for values from (2, minvalue, minvalue) to (3, maxvalue, maxvalue); -insert into mc3p values (0, 1, 1), (1, 1, 1), (2, 1, 1); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from mc3p where a < 3 and abs(b) = 1; - QUERY PLAN ------------------------------------------------------------ - Append (actual rows=3.00 loops=1) - -> Seq Scan on mc3p0 mc3p_1 (actual rows=1.00 loops=1) - Filter: ((a < 3) AND (abs(b) = 1)) - -> Seq Scan on mc3p1 mc3p_2 (actual rows=1.00 loops=1) - Filter: ((a < 3) AND (abs(b) = 1)) - -> Seq Scan on mc3p2 mc3p_3 (actual rows=1.00 loops=1) - Filter: ((a < 3) AND (abs(b) = 1)) -(7 rows) - --- --- Check that pruning with composite range partitioning works correctly when --- a combination of runtime parameters is specified, not all of whose values --- are available at the same time --- -prepare ps1 as - select * from mc3p where a = $1 and abs(b) < (select 3); -explain (analyze, costs off, summary off, timing off, buffers off) -execute ps1(1); - QUERY PLAN -------------------------------------------------------------- - Append (actual rows=1.00 loops=1) - Subplans Removed: 2 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on mc3p1 mc3p_1 (actual rows=1.00 loops=1) - Filter: ((a = $1) AND (abs(b) < (InitPlan 1).col1)) -(6 rows) - -deallocate ps1; -prepare ps2 as - select * from mc3p where a <= $1 and abs(b) < (select 3); -explain (analyze, costs off, summary off, timing off, buffers off) -execute ps2(1); - QUERY PLAN --------------------------------------------------------------- - Append (actual rows=2.00 loops=1) - Subplans Removed: 1 - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - -> Seq Scan on mc3p0 mc3p_1 (actual rows=1.00 loops=1) - Filter: ((a <= $1) AND (abs(b) < (InitPlan 1).col1)) - -> Seq Scan on mc3p1 mc3p_2 (actual rows=1.00 loops=1) - Filter: ((a <= $1) AND (abs(b) < (InitPlan 1).col1)) -(8 rows) - -deallocate ps2; -drop table mc3p; --- Ensure runtime pruning works with initplans params with boolean types -create table boolvalues (value bool not null); -insert into boolvalues values('t'),('f'); -create table boolp (a bool) partition by list (a); -create table boolp_t partition of boolp for values in('t'); -create table boolp_f partition of boolp for values in('f'); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from boolp where a = (select value from boolvalues where value); - QUERY PLAN --------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Seq Scan on boolvalues (actual rows=1.00 loops=1) - Filter: value - Rows Removed by Filter: 1 - -> Seq Scan on boolp_f boolp_1 (never executed) - Filter: (a = (InitPlan 1).col1) - -> Seq Scan on boolp_t boolp_2 (actual rows=0.00 loops=1) - Filter: (a = (InitPlan 1).col1) -(9 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) -select * from boolp where a = (select value from boolvalues where not value); - QUERY PLAN --------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Seq Scan on boolvalues (actual rows=1.00 loops=1) - Filter: (NOT value) - Rows Removed by Filter: 1 - -> Seq Scan on boolp_f boolp_1 (actual rows=0.00 loops=1) - Filter: (a = (InitPlan 1).col1) - -> Seq Scan on boolp_t boolp_2 (never executed) - Filter: (a = (InitPlan 1).col1) -(9 rows) - -drop table boolp; --- --- Test run-time pruning of MergeAppend subnodes --- -set enable_seqscan = off; -set enable_sort = off; -create table ma_test (a int, b int) partition by range (a); -create table ma_test_p1 partition of ma_test for values from (0) to (10); -create table ma_test_p2 partition of ma_test for values from (10) to (20); -create table ma_test_p3 partition of ma_test for values from (20) to (30); -insert into ma_test select x,x from generate_series(0,29) t(x); -create index on ma_test (b); -analyze ma_test; -prepare mt_q1 (int) as select a from ma_test where a >= $1 and a % 10 = 5 order by b; -explain (analyze, costs off, summary off, timing off, buffers off) execute mt_q1(15); - QUERY PLAN --------------------------------------------------------------------------------------------- - Merge Append (actual rows=2.00 loops=1) - Sort Key: ma_test.b - Subplans Removed: 1 - -> Index Scan using ma_test_p2_b_idx on ma_test_p2 ma_test_1 (actual rows=1.00 loops=1) - Filter: ((a >= $1) AND ((a % 10) = 5)) - Rows Removed by Filter: 9 - Index Searches: 1 - -> Index Scan using ma_test_p3_b_idx on ma_test_p3 ma_test_2 (actual rows=1.00 loops=1) - Filter: ((a >= $1) AND ((a % 10) = 5)) - Rows Removed by Filter: 9 - Index Searches: 1 -(11 rows) - -execute mt_q1(15); - a ----- - 15 - 25 -(2 rows) - -explain (analyze, costs off, summary off, timing off, buffers off) execute mt_q1(25); - QUERY PLAN --------------------------------------------------------------------------------------------- - Merge Append (actual rows=1.00 loops=1) - Sort Key: ma_test.b - Subplans Removed: 2 - -> Index Scan using ma_test_p3_b_idx on ma_test_p3 ma_test_1 (actual rows=1.00 loops=1) - Filter: ((a >= $1) AND ((a % 10) = 5)) - Rows Removed by Filter: 9 - Index Searches: 1 -(7 rows) - -execute mt_q1(25); - a ----- - 25 -(1 row) - --- Ensure MergeAppend behaves correctly when no subplans match -explain (analyze, costs off, summary off, timing off, buffers off) execute mt_q1(35); - QUERY PLAN ------------------------------------------ - Merge Append (actual rows=0.00 loops=1) - Sort Key: ma_test.b - Subplans Removed: 3 -(3 rows) - -execute mt_q1(35); - a ---- -(0 rows) - -deallocate mt_q1; -prepare mt_q2 (int) as select * from ma_test where a >= $1 order by b limit 1; --- Ensure output list looks sane when the MergeAppend has no subplans. -explain (analyze, verbose, costs off, summary off, timing off, buffers off) execute mt_q2 (35); - QUERY PLAN ------------------------------------------------ - Limit (actual rows=0.00 loops=1) - Output: ma_test.a, ma_test.b - -> Merge Append (actual rows=0.00 loops=1) - Sort Key: ma_test.b - Subplans Removed: 3 -(5 rows) - -deallocate mt_q2; --- ensure initplan params properly prune partitions -explain (analyze, costs off, summary off, timing off, buffers off) select * from ma_test where a >= (select min(b) from ma_test_p2) order by b; - QUERY PLAN --------------------------------------------------------------------------------------------------- - Merge Append (actual rows=20.00 loops=1) - Sort Key: ma_test.b - InitPlan 2 - -> Result (actual rows=1.00 loops=1) - InitPlan 1 - -> Limit (actual rows=1.00 loops=1) - -> Index Scan using ma_test_p2_b_idx on ma_test_p2 (actual rows=1.00 loops=1) - Index Cond: (b IS NOT NULL) - Index Searches: 1 - -> Index Scan using ma_test_p1_b_idx on ma_test_p1 ma_test_1 (never executed) - Filter: (a >= (InitPlan 2).col1) - Index Searches: 0 - -> Index Scan using ma_test_p2_b_idx on ma_test_p2 ma_test_2 (actual rows=10.00 loops=1) - Filter: (a >= (InitPlan 2).col1) - Index Searches: 1 - -> Index Scan using ma_test_p3_b_idx on ma_test_p3 ma_test_3 (actual rows=10.00 loops=1) - Filter: (a >= (InitPlan 2).col1) - Index Searches: 1 -(18 rows) - -reset enable_seqscan; -reset enable_sort; -drop table ma_test; -reset enable_indexonlyscan; --- --- check that pruning works properly when the partition key is of a --- pseudotype --- --- array type list partition key -create table pp_arrpart (a int[]) partition by list (a); -create table pp_arrpart1 partition of pp_arrpart for values in ('{1}'); -create table pp_arrpart2 partition of pp_arrpart for values in ('{2, 3}', '{4, 5}'); -explain (costs off) select * from pp_arrpart where a = '{1}'; - QUERY PLAN ------------------------------------- - Seq Scan on pp_arrpart1 pp_arrpart - Filter: (a = '{1}'::integer[]) -(2 rows) - -explain (costs off) select * from pp_arrpart where a = '{1, 2}'; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from pp_arrpart where a in ('{4, 5}', '{1}'); - QUERY PLAN ----------------------------------------------------------------------- - Append - -> Seq Scan on pp_arrpart1 pp_arrpart_1 - Filter: ((a = '{4,5}'::integer[]) OR (a = '{1}'::integer[])) - -> Seq Scan on pp_arrpart2 pp_arrpart_2 - Filter: ((a = '{4,5}'::integer[]) OR (a = '{1}'::integer[])) -(5 rows) - -explain (costs off) update pp_arrpart set a = a where a = '{1}'; - QUERY PLAN --------------------------------------------- - Update on pp_arrpart - Update on pp_arrpart1 pp_arrpart_1 - -> Seq Scan on pp_arrpart1 pp_arrpart_1 - Filter: (a = '{1}'::integer[]) -(4 rows) - -explain (costs off) delete from pp_arrpart where a = '{1}'; - QUERY PLAN --------------------------------------------- - Delete on pp_arrpart - Delete on pp_arrpart1 pp_arrpart_1 - -> Seq Scan on pp_arrpart1 pp_arrpart_1 - Filter: (a = '{1}'::integer[]) -(4 rows) - -drop table pp_arrpart; --- array type hash partition key -create table pph_arrpart (a int[]) partition by hash (a); -create table pph_arrpart1 partition of pph_arrpart for values with (modulus 2, remainder 0); -create table pph_arrpart2 partition of pph_arrpart for values with (modulus 2, remainder 1); -insert into pph_arrpart values ('{1}'), ('{1, 2}'), ('{4, 5}'); -select tableoid::regclass, * from pph_arrpart order by 1; - tableoid | a ---------------+------- - pph_arrpart1 | {1,2} - pph_arrpart1 | {4,5} - pph_arrpart2 | {1} -(3 rows) - -explain (costs off) select * from pph_arrpart where a = '{1}'; - QUERY PLAN --------------------------------------- - Seq Scan on pph_arrpart2 pph_arrpart - Filter: (a = '{1}'::integer[]) -(2 rows) - -explain (costs off) select * from pph_arrpart where a = '{1, 2}'; - QUERY PLAN --------------------------------------- - Seq Scan on pph_arrpart1 pph_arrpart - Filter: (a = '{1,2}'::integer[]) -(2 rows) - -explain (costs off) select * from pph_arrpart where a in ('{4, 5}', '{1}'); - QUERY PLAN ----------------------------------------------------------------------- - Append - -> Seq Scan on pph_arrpart1 pph_arrpart_1 - Filter: ((a = '{4,5}'::integer[]) OR (a = '{1}'::integer[])) - -> Seq Scan on pph_arrpart2 pph_arrpart_2 - Filter: ((a = '{4,5}'::integer[]) OR (a = '{1}'::integer[])) -(5 rows) - -drop table pph_arrpart; --- enum type list partition key -create type pp_colors as enum ('green', 'blue', 'black'); -create table pp_enumpart (a pp_colors) partition by list (a); -create table pp_enumpart_green partition of pp_enumpart for values in ('green'); -create table pp_enumpart_blue partition of pp_enumpart for values in ('blue'); -explain (costs off) select * from pp_enumpart where a = 'blue'; - QUERY PLAN ------------------------------------------- - Seq Scan on pp_enumpart_blue pp_enumpart - Filter: (a = 'blue'::pp_colors) -(2 rows) - -explain (costs off) select * from pp_enumpart where a = 'black'; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -drop table pp_enumpart; -drop type pp_colors; --- record type as partition key -create type pp_rectype as (a int, b int); -create table pp_recpart (a pp_rectype) partition by list (a); -create table pp_recpart_11 partition of pp_recpart for values in ('(1,1)'); -create table pp_recpart_23 partition of pp_recpart for values in ('(2,3)'); -explain (costs off) select * from pp_recpart where a = '(1,1)'::pp_rectype; - QUERY PLAN --------------------------------------- - Seq Scan on pp_recpart_11 pp_recpart - Filter: (a = '(1,1)'::pp_rectype) -(2 rows) - -explain (costs off) select * from pp_recpart where a = '(1,2)'::pp_rectype; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -drop table pp_recpart; -drop type pp_rectype; --- range type partition key -create table pp_intrangepart (a int4range) partition by list (a); -create table pp_intrangepart12 partition of pp_intrangepart for values in ('[1,2]'); -create table pp_intrangepart2inf partition of pp_intrangepart for values in ('[2,)'); -explain (costs off) select * from pp_intrangepart where a = '[1,2]'::int4range; - QUERY PLAN ------------------------------------------------ - Seq Scan on pp_intrangepart12 pp_intrangepart - Filter: (a = '[1,3)'::int4range) -(2 rows) - -explain (costs off) select * from pp_intrangepart where a = '(1,2)'::int4range; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -drop table pp_intrangepart; --- --- Ensure the enable_partition_prune GUC properly disables partition pruning. --- -create table pp_lp (a int, value int) partition by list (a); -create table pp_lp1 partition of pp_lp for values in(1); -create table pp_lp2 partition of pp_lp for values in(2); -explain (costs off) select * from pp_lp where a = 1; - QUERY PLAN --------------------------- - Seq Scan on pp_lp1 pp_lp - Filter: (a = 1) -(2 rows) - -explain (costs off) update pp_lp set value = 10 where a = 1; - QUERY PLAN ----------------------------------- - Update on pp_lp - Update on pp_lp1 pp_lp_1 - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) -(4 rows) - -explain (costs off) delete from pp_lp where a = 1; - QUERY PLAN ----------------------------------- - Delete on pp_lp - Delete on pp_lp1 pp_lp_1 - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) -(4 rows) - -set enable_partition_pruning = off; -set constraint_exclusion = 'partition'; -- this should not affect the result. -explain (costs off) select * from pp_lp where a = 1; - QUERY PLAN ----------------------------------- - Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(5 rows) - -explain (costs off) update pp_lp set value = 10 where a = 1; - QUERY PLAN ----------------------------------------- - Update on pp_lp - Update on pp_lp1 pp_lp_1 - Update on pp_lp2 pp_lp_2 - -> Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(8 rows) - -explain (costs off) delete from pp_lp where a = 1; - QUERY PLAN ----------------------------------------- - Delete on pp_lp - Delete on pp_lp1 pp_lp_1 - Delete on pp_lp2 pp_lp_2 - -> Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(8 rows) - -set constraint_exclusion = 'off'; -- this should not affect the result. -explain (costs off) select * from pp_lp where a = 1; - QUERY PLAN ----------------------------------- - Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(5 rows) - -explain (costs off) update pp_lp set value = 10 where a = 1; - QUERY PLAN ----------------------------------------- - Update on pp_lp - Update on pp_lp1 pp_lp_1 - Update on pp_lp2 pp_lp_2 - -> Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(8 rows) - -explain (costs off) delete from pp_lp where a = 1; - QUERY PLAN ----------------------------------------- - Delete on pp_lp - Delete on pp_lp1 pp_lp_1 - Delete on pp_lp2 pp_lp_2 - -> Append - -> Seq Scan on pp_lp1 pp_lp_1 - Filter: (a = 1) - -> Seq Scan on pp_lp2 pp_lp_2 - Filter: (a = 1) -(8 rows) - -drop table pp_lp; --- Ensure enable_partition_prune does not affect non-partitioned tables. -create table inh_lp (a int, value int); -create table inh_lp1 (a int, value int, check(a = 1)) inherits (inh_lp); -NOTICE: merging column "a" with inherited definition -NOTICE: merging column "value" with inherited definition -create table inh_lp2 (a int, value int, check(a = 2)) inherits (inh_lp); -NOTICE: merging column "a" with inherited definition -NOTICE: merging column "value" with inherited definition -set constraint_exclusion = 'partition'; --- inh_lp2 should be removed in the following 3 cases. -explain (costs off) select * from inh_lp where a = 1; - QUERY PLAN ------------------------------------- - Append - -> Seq Scan on inh_lp inh_lp_1 - Filter: (a = 1) - -> Seq Scan on inh_lp1 inh_lp_2 - Filter: (a = 1) -(5 rows) - -explain (costs off) update inh_lp set value = 10 where a = 1; - QUERY PLAN ------------------------------------------------- - Update on inh_lp - Update on inh_lp inh_lp_1 - Update on inh_lp1 inh_lp_2 - -> Result - -> Append - -> Seq Scan on inh_lp inh_lp_1 - Filter: (a = 1) - -> Seq Scan on inh_lp1 inh_lp_2 - Filter: (a = 1) -(9 rows) - -explain (costs off) delete from inh_lp where a = 1; - QUERY PLAN ------------------------------------------- - Delete on inh_lp - Delete on inh_lp inh_lp_1 - Delete on inh_lp1 inh_lp_2 - -> Append - -> Seq Scan on inh_lp inh_lp_1 - Filter: (a = 1) - -> Seq Scan on inh_lp1 inh_lp_2 - Filter: (a = 1) -(8 rows) - --- Ensure we don't exclude normal relations when we only expect to exclude --- inheritance children -explain (costs off) update inh_lp1 set value = 10 where a = 2; - QUERY PLAN ---------------------------- - Update on inh_lp1 - -> Seq Scan on inh_lp1 - Filter: (a = 2) -(3 rows) - -drop table inh_lp cascade; -NOTICE: drop cascades to 2 other objects -DETAIL: drop cascades to table inh_lp1 -drop cascades to table inh_lp2 -reset enable_partition_pruning; -reset constraint_exclusion; --- Check pruning for a partition tree containing only temporary relations -create temp table pp_temp_parent (a int) partition by list (a); -create temp table pp_temp_part_1 partition of pp_temp_parent for values in (1); -create temp table pp_temp_part_def partition of pp_temp_parent default; -explain (costs off) select * from pp_temp_parent where true; - QUERY PLAN ------------------------------------------------------ - Append - -> Seq Scan on pp_temp_part_1 pp_temp_parent_1 - -> Seq Scan on pp_temp_part_def pp_temp_parent_2 -(3 rows) - -explain (costs off) select * from pp_temp_parent where a = 2; - QUERY PLAN ---------------------------------------------- - Seq Scan on pp_temp_part_def pp_temp_parent - Filter: (a = 2) -(2 rows) - -drop table pp_temp_parent; --- Stress run-time partition pruning a bit more, per bug reports -create temp table p (a int, b int, c int) partition by list (a); -create temp table p1 partition of p for values in (1); -create temp table p2 partition of p for values in (2); -create temp table q (a int, b int, c int) partition by list (a); -create temp table q1 partition of q for values in (1) partition by list (b); -create temp table q11 partition of q1 for values in (1) partition by list (c); -create temp table q111 partition of q11 for values in (1); -create temp table q2 partition of q for values in (2) partition by list (b); -create temp table q21 partition of q2 for values in (1); -create temp table q22 partition of q2 for values in (2); -insert into q22 values (2, 2, 3); -explain (costs off) -select * -from ( - select * from p - union all - select * from q1 - union all - select 1, 1, 1 - ) s(a, b, c) -where s.a = 1 and s.b = 1 and s.c = (select 1); - QUERY PLAN -------------------------------------------------------------------- - Append - InitPlan 1 - -> Result - -> Seq Scan on p1 p - Filter: ((a = 1) AND (b = 1) AND (c = (InitPlan 1).col1)) - -> Seq Scan on q111 q1 - Filter: ((a = 1) AND (b = 1) AND (c = (InitPlan 1).col1)) - -> Result - One-Time Filter: (1 = (InitPlan 1).col1) -(9 rows) - -select * -from ( - select * from p - union all - select * from q1 - union all - select 1, 1, 1 - ) s(a, b, c) -where s.a = 1 and s.b = 1 and s.c = (select 1); - a | b | c ----+---+--- - 1 | 1 | 1 -(1 row) - -prepare q (int, int) as -select * -from ( - select * from p - union all - select * from q1 - union all - select 1, 1, 1 - ) s(a, b, c) -where s.a = $1 and s.b = $2 and s.c = (select 1); -explain (costs off) execute q (1, 1); - QUERY PLAN ------------------------------------------------------------------------------- - Append - Subplans Removed: 1 - InitPlan 1 - -> Result - -> Seq Scan on p1 p - Filter: ((a = $1) AND (b = $2) AND (c = (InitPlan 1).col1)) - -> Seq Scan on q111 q1 - Filter: ((a = $1) AND (b = $2) AND (c = (InitPlan 1).col1)) - -> Result - One-Time Filter: ((1 = $1) AND (1 = $2) AND (1 = (InitPlan 1).col1)) -(10 rows) - -execute q (1, 1); - a | b | c ----+---+--- - 1 | 1 | 1 -(1 row) - -drop table p, q; --- Ensure run-time pruning works correctly when we match a partitioned table --- on the first level but find no matching partitions on the second level. -create table listp (a int, b int) partition by list (a); -create table listp1 partition of listp for values in(1); -create table listp2 partition of listp for values in(2) partition by list(b); -create table listp2_10 partition of listp2 for values in (10); -explain (analyze, costs off, summary off, timing off, buffers off) -select * from listp where a = (select 2) and b <> 10; - QUERY PLAN ------------------------------------------------------ - Seq Scan on listp1 listp (actual rows=0.00 loops=1) - Filter: ((b <> 10) AND (a = (InitPlan 1).col1)) - InitPlan 1 - -> Result (never executed) -(4 rows) - --- --- check that a partition directly accessed in a query is excluded with --- constraint_exclusion = on --- --- turn off partition pruning, so that it doesn't interfere -set enable_partition_pruning to off; --- setting constraint_exclusion to 'partition' disables exclusion -set constraint_exclusion to 'partition'; -explain (costs off) select * from listp1 where a = 2; - QUERY PLAN --------------------- - Seq Scan on listp1 - Filter: (a = 2) -(2 rows) - -explain (costs off) update listp1 set a = 1 where a = 2; - QUERY PLAN --------------------------- - Update on listp1 - -> Seq Scan on listp1 - Filter: (a = 2) -(3 rows) - --- constraint exclusion enabled -set constraint_exclusion to 'on'; -explain (costs off) select * from listp1 where a = 2; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) update listp1 set a = 1 where a = 2; - QUERY PLAN --------------------------------- - Update on listp1 - -> Result - One-Time Filter: false -(3 rows) - -reset constraint_exclusion; -reset enable_partition_pruning; -drop table listp; --- Ensure run-time pruning works correctly for nested Append nodes -set parallel_setup_cost to 0; -set parallel_tuple_cost to 0; -create table listp (a int) partition by list(a); -create table listp_12 partition of listp for values in(1,2) partition by list(a); -create table listp_12_1 partition of listp_12 for values in(1); -create table listp_12_2 partition of listp_12 for values in(2); --- Force the 2nd subnode of the Append to be non-parallel. This results in --- a nested Append node because the mixed parallel / non-parallel paths cannot --- be pulled into the top-level Append. -alter table listp_12_1 set (parallel_workers = 0); --- Ensure that listp_12_2 is not scanned. (The nested Append is not seen in --- the plan as it's pulled in setref.c due to having just a single subnode). -select explain_parallel_append('select * from listp where a = (select 1);'); - explain_parallel_append ----------------------------------------------------------------------- - Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - InitPlan 1 - -> Result (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - -> Seq Scan on listp_12_1 listp_1 (actual rows=N loops=N) - Filter: (a = (InitPlan 1).col1) - -> Parallel Seq Scan on listp_12_2 listp_2 (never executed) - Filter: (a = (InitPlan 1).col1) -(10 rows) - --- Like the above but throw some more complexity at the planner by adding --- a UNION ALL. We expect both sides of the union not to scan the --- non-required partitions. -select explain_parallel_append( -'select * from listp where a = (select 1) - union all -select * from listp where a = (select 2);'); - explain_parallel_append ------------------------------------------------------------------------------------ - Gather (actual rows=N loops=N) - Workers Planned: 2 - Workers Launched: N - -> Parallel Append (actual rows=N loops=N) - -> Parallel Append (actual rows=N loops=N) - InitPlan 2 - -> Result (actual rows=N loops=N) - -> Seq Scan on listp_12_1 listp_1 (never executed) - Filter: (a = (InitPlan 2).col1) - -> Parallel Seq Scan on listp_12_2 listp_2 (actual rows=N loops=N) - Filter: (a = (InitPlan 2).col1) - -> Parallel Append (actual rows=N loops=N) - InitPlan 1 - -> Result (actual rows=N loops=N) - -> Seq Scan on listp_12_1 listp_4 (actual rows=N loops=N) - Filter: (a = (InitPlan 1).col1) - -> Parallel Seq Scan on listp_12_2 listp_5 (never executed) - Filter: (a = (InitPlan 1).col1) -(18 rows) - -drop table listp; -reset parallel_tuple_cost; -reset parallel_setup_cost; --- Test case for run-time pruning with a nested Merge Append -set enable_sort to 0; -create table rangep (a int, b int) partition by range (a); -create table rangep_0_to_100 partition of rangep for values from (0) to (100) partition by list (b); --- We need 3 sub-partitions. 1 to validate pruning worked and another two --- because a single remaining partition would be pulled up to the main Append. -create table rangep_0_to_100_1 partition of rangep_0_to_100 for values in(1); -create table rangep_0_to_100_2 partition of rangep_0_to_100 for values in(2); -create table rangep_0_to_100_3 partition of rangep_0_to_100 for values in(3); -create table rangep_100_to_200 partition of rangep for values from (100) to (200); -create index on rangep (a); --- Ensure run-time pruning works on the nested Merge Append -explain (analyze on, costs off, timing off, summary off, buffers off) -select * from rangep where b IN((select 1),(select 2)) order by a; - QUERY PLAN ---------------------------------------------------------------------------------------------------------------- - Append (actual rows=0.00 loops=1) - InitPlan 1 - -> Result (actual rows=1.00 loops=1) - InitPlan 2 - -> Result (actual rows=1.00 loops=1) - -> Merge Append (actual rows=0.00 loops=1) - Sort Key: rangep_2.a - -> Index Scan using rangep_0_to_100_1_a_idx on rangep_0_to_100_1 rangep_2 (actual rows=0.00 loops=1) - Filter: (b = ANY (ARRAY[(InitPlan 1).col1, (InitPlan 2).col1])) - Index Searches: 1 - -> Index Scan using rangep_0_to_100_2_a_idx on rangep_0_to_100_2 rangep_3 (actual rows=0.00 loops=1) - Filter: (b = ANY (ARRAY[(InitPlan 1).col1, (InitPlan 2).col1])) - Index Searches: 1 - -> Index Scan using rangep_0_to_100_3_a_idx on rangep_0_to_100_3 rangep_4 (never executed) - Filter: (b = ANY (ARRAY[(InitPlan 1).col1, (InitPlan 2).col1])) - Index Searches: 0 - -> Index Scan using rangep_100_to_200_a_idx on rangep_100_to_200 rangep_5 (actual rows=0.00 loops=1) - Filter: (b = ANY (ARRAY[(InitPlan 1).col1, (InitPlan 2).col1])) - Index Searches: 1 -(19 rows) - -reset enable_sort; -drop table rangep; --- --- Check that gen_prune_steps_from_opexps() works well for various cases of --- clauses for different partition keys --- -create table rp_prefix_test1 (a int, b varchar) partition by range(a, b); -create table rp_prefix_test1_p1 partition of rp_prefix_test1 for values from (1, 'a') to (1, 'b'); -create table rp_prefix_test1_p2 partition of rp_prefix_test1 for values from (2, 'a') to (2, 'b'); --- Don't call get_steps_using_prefix() with the last partition key b plus --- an empty prefix -explain (costs off) select * from rp_prefix_test1 where a <= 1 and b = 'a'; - QUERY PLAN --------------------------------------------------- - Seq Scan on rp_prefix_test1_p1 rp_prefix_test1 - Filter: ((a <= 1) AND ((b)::text = 'a'::text)) -(2 rows) - -create table rp_prefix_test2 (a int, b int, c int) partition by range(a, b, c); -create table rp_prefix_test2_p1 partition of rp_prefix_test2 for values from (1, 1, 0) to (1, 1, 10); -create table rp_prefix_test2_p2 partition of rp_prefix_test2 for values from (2, 2, 0) to (2, 2, 10); --- Don't call get_steps_using_prefix() with the last partition key c plus --- an invalid prefix (ie, b = 1) -explain (costs off) select * from rp_prefix_test2 where a <= 1 and b = 1 and c >= 0; - QUERY PLAN ------------------------------------------------- - Seq Scan on rp_prefix_test2_p1 rp_prefix_test2 - Filter: ((a <= 1) AND (c >= 0) AND (b = 1)) -(2 rows) - -create table rp_prefix_test3 (a int, b int, c int, d int) partition by range(a, b, c, d); -create table rp_prefix_test3_p1 partition of rp_prefix_test3 for values from (1, 1, 1, 0) to (1, 1, 1, 10); -create table rp_prefix_test3_p2 partition of rp_prefix_test3 for values from (2, 2, 2, 0) to (2, 2, 2, 10); --- Test that get_steps_using_prefix() handles a prefix that contains multiple --- clauses for the partition key b (ie, b >= 1 and b >= 2) -explain (costs off) select * from rp_prefix_test3 where a >= 1 and b >= 1 and b >= 2 and c >= 2 and d >= 0; - QUERY PLAN --------------------------------------------------------------------------- - Seq Scan on rp_prefix_test3_p2 rp_prefix_test3 - Filter: ((a >= 1) AND (b >= 1) AND (b >= 2) AND (c >= 2) AND (d >= 0)) -(2 rows) - --- Test that get_steps_using_prefix() handles a prefix that contains multiple --- clauses for the partition key b (ie, b >= 1 and b = 2) (This also tests --- that the caller arranges clauses in that prefix in the required order) -explain (costs off) select * from rp_prefix_test3 where a >= 1 and b >= 1 and b = 2 and c = 2 and d >= 0; - QUERY PLAN ------------------------------------------------------------------------- - Seq Scan on rp_prefix_test3_p2 rp_prefix_test3 - Filter: ((a >= 1) AND (b >= 1) AND (d >= 0) AND (b = 2) AND (c = 2)) -(2 rows) - -drop table rp_prefix_test1; -drop table rp_prefix_test2; -drop table rp_prefix_test3; --- --- Test that get_steps_using_prefix() handles IS NULL clauses correctly --- -create table hp_prefix_test (a int, b int, c int, d int) - partition by hash (a part_test_int4_ops, b part_test_int4_ops, c part_test_int4_ops, d part_test_int4_ops); --- create 8 partitions -select 'create table hp_prefix_test_p' || x::text || ' partition of hp_prefix_test for values with (modulus 8, remainder ' || x::text || ');' -from generate_Series(0,7) x; - ?column? ------------------------------------------------------------------------------------------------------- - create table hp_prefix_test_p0 partition of hp_prefix_test for values with (modulus 8, remainder 0); - create table hp_prefix_test_p1 partition of hp_prefix_test for values with (modulus 8, remainder 1); - create table hp_prefix_test_p2 partition of hp_prefix_test for values with (modulus 8, remainder 2); - create table hp_prefix_test_p3 partition of hp_prefix_test for values with (modulus 8, remainder 3); - create table hp_prefix_test_p4 partition of hp_prefix_test for values with (modulus 8, remainder 4); - create table hp_prefix_test_p5 partition of hp_prefix_test for values with (modulus 8, remainder 5); - create table hp_prefix_test_p6 partition of hp_prefix_test for values with (modulus 8, remainder 6); - create table hp_prefix_test_p7 partition of hp_prefix_test for values with (modulus 8, remainder 7); -(8 rows) - -\gexec -create table hp_prefix_test_p0 partition of hp_prefix_test for values with (modulus 8, remainder 0); -create table hp_prefix_test_p1 partition of hp_prefix_test for values with (modulus 8, remainder 1); -create table hp_prefix_test_p2 partition of hp_prefix_test for values with (modulus 8, remainder 2); -create table hp_prefix_test_p3 partition of hp_prefix_test for values with (modulus 8, remainder 3); -create table hp_prefix_test_p4 partition of hp_prefix_test for values with (modulus 8, remainder 4); -create table hp_prefix_test_p5 partition of hp_prefix_test for values with (modulus 8, remainder 5); -create table hp_prefix_test_p6 partition of hp_prefix_test for values with (modulus 8, remainder 6); -create table hp_prefix_test_p7 partition of hp_prefix_test for values with (modulus 8, remainder 7); --- insert 16 rows, one row for each test to perform. -insert into hp_prefix_test -select - case a when 0 then null else 1 end, - case b when 0 then null else 2 end, - case c when 0 then null else 3 end, - case d when 0 then null else 4 end -from - generate_series(0,1) a, - generate_series(0,1) b, - generate_Series(0,1) c, - generate_Series(0,1) d; --- Ensure partition pruning works correctly for each combination of IS NULL --- and equality quals. This may seem a little excessive, but there have been --- a number of bugs in this area over the years. We make use of row only --- output to reduce the size of the expected results. -\t on -select - 'explain (costs off) select tableoid::regclass,* from hp_prefix_test where ' || - string_agg(c.colname || case when g.s & (1 << c.colpos) = 0 then ' is null' else ' = ' || (colpos+1)::text end, ' and ' order by c.colpos) -from (values('a',0),('b',1),('c',2),('d',3)) c(colname, colpos), generate_Series(0,15) g(s) -group by g.s -order by g.s; - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d is null - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d = 4 - explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d = 4 - -\gexec -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d is null - Seq Scan on hp_prefix_test_p0 hp_prefix_test - Filter: ((a IS NULL) AND (b IS NULL) AND (c IS NULL) AND (d IS NULL)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d is null - Seq Scan on hp_prefix_test_p1 hp_prefix_test - Filter: ((b IS NULL) AND (c IS NULL) AND (d IS NULL) AND (a = 1)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d is null - Seq Scan on hp_prefix_test_p2 hp_prefix_test - Filter: ((a IS NULL) AND (c IS NULL) AND (d IS NULL) AND (b = 2)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d is null - Seq Scan on hp_prefix_test_p4 hp_prefix_test - Filter: ((c IS NULL) AND (d IS NULL) AND (a = 1) AND (b = 2)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d is null - Seq Scan on hp_prefix_test_p3 hp_prefix_test - Filter: ((a IS NULL) AND (b IS NULL) AND (d IS NULL) AND (c = 3)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d is null - Seq Scan on hp_prefix_test_p7 hp_prefix_test - Filter: ((b IS NULL) AND (d IS NULL) AND (a = 1) AND (c = 3)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d is null - Seq Scan on hp_prefix_test_p4 hp_prefix_test - Filter: ((a IS NULL) AND (d IS NULL) AND (b = 2) AND (c = 3)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d is null - Seq Scan on hp_prefix_test_p5 hp_prefix_test - Filter: ((d IS NULL) AND (a = 1) AND (b = 2) AND (c = 3)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d = 4 - Seq Scan on hp_prefix_test_p4 hp_prefix_test - Filter: ((a IS NULL) AND (b IS NULL) AND (c IS NULL) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d = 4 - Seq Scan on hp_prefix_test_p6 hp_prefix_test - Filter: ((b IS NULL) AND (c IS NULL) AND (a = 1) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d = 4 - Seq Scan on hp_prefix_test_p5 hp_prefix_test - Filter: ((a IS NULL) AND (c IS NULL) AND (b = 2) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d = 4 - Seq Scan on hp_prefix_test_p6 hp_prefix_test - Filter: ((c IS NULL) AND (a = 1) AND (b = 2) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d = 4 - Seq Scan on hp_prefix_test_p4 hp_prefix_test - Filter: ((a IS NULL) AND (b IS NULL) AND (c = 3) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d = 4 - Seq Scan on hp_prefix_test_p5 hp_prefix_test - Filter: ((b IS NULL) AND (a = 1) AND (c = 3) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d = 4 - Seq Scan on hp_prefix_test_p6 hp_prefix_test - Filter: ((a IS NULL) AND (b = 2) AND (c = 3) AND (d = 4)) - -explain (costs off) select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d = 4 - Seq Scan on hp_prefix_test_p4 hp_prefix_test - Filter: ((a = 1) AND (b = 2) AND (c = 3) AND (d = 4)) - --- And ensure we get exactly 1 row from each. Again, all 16 possible combinations. -select - 'select tableoid::regclass,* from hp_prefix_test where ' || - string_agg(c.colname || case when g.s & (1 << c.colpos) = 0 then ' is null' else ' = ' || (colpos+1)::text end, ' and ' order by c.colpos) -from (values('a',0),('b',1),('c',2),('d',3)) c(colname, colpos), generate_Series(0,15) g(s) -group by g.s -order by g.s; - select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d is null - select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d is null - select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d is null - select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d is null - select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d is null - select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d is null - select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d is null - select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d is null - select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d = 4 - select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d = 4 - select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d = 4 - select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d = 4 - select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d = 4 - select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d = 4 - select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d = 4 - select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d = 4 - -\gexec -select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d is null - hp_prefix_test_p0 | | | | - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d is null - hp_prefix_test_p1 | 1 | | | - -select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d is null - hp_prefix_test_p2 | | 2 | | - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d is null - hp_prefix_test_p4 | 1 | 2 | | - -select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d is null - hp_prefix_test_p3 | | | 3 | - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d is null - hp_prefix_test_p7 | 1 | | 3 | - -select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d is null - hp_prefix_test_p4 | | 2 | 3 | - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d is null - hp_prefix_test_p5 | 1 | 2 | 3 | - -select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c is null and d = 4 - hp_prefix_test_p4 | | | | 4 - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c is null and d = 4 - hp_prefix_test_p6 | 1 | | | 4 - -select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c is null and d = 4 - hp_prefix_test_p5 | | 2 | | 4 - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c is null and d = 4 - hp_prefix_test_p6 | 1 | 2 | | 4 - -select tableoid::regclass,* from hp_prefix_test where a is null and b is null and c = 3 and d = 4 - hp_prefix_test_p4 | | | 3 | 4 - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b is null and c = 3 and d = 4 - hp_prefix_test_p5 | 1 | | 3 | 4 - -select tableoid::regclass,* from hp_prefix_test where a is null and b = 2 and c = 3 and d = 4 - hp_prefix_test_p6 | | 2 | 3 | 4 - -select tableoid::regclass,* from hp_prefix_test where a = 1 and b = 2 and c = 3 and d = 4 - hp_prefix_test_p4 | 1 | 2 | 3 | 4 - -\t off -drop table hp_prefix_test; --- --- Check that gen_partprune_steps() detects self-contradiction from clauses --- regardless of the order of the clauses (Here we use a custom operator to --- prevent the equivclass.c machinery from reordering the clauses) --- -create operator === ( - leftarg = int4, - rightarg = int4, - procedure = int4eq, - commutator = ===, - hashes -); -create operator class part_test_int4_ops2 -for type int4 -using hash as -operator 1 ===, -function 2 part_hashint4_noop(int4, int8); -create table hp_contradict_test (a int, b int) partition by hash (a part_test_int4_ops2, b part_test_int4_ops2); -create table hp_contradict_test_p1 partition of hp_contradict_test for values with (modulus 2, remainder 0); -create table hp_contradict_test_p2 partition of hp_contradict_test for values with (modulus 2, remainder 1); -explain (costs off) select * from hp_contradict_test where a is null and a === 1 and b === 1; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -explain (costs off) select * from hp_contradict_test where a === 1 and b === 1 and a is null; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - -drop table hp_contradict_test; -drop operator class part_test_int4_ops2 using hash; -drop operator ===(int4, int4); -drop function explain_analyze(text); --- Runtime pruning on UPDATE using WITH CHECK OPTIONS and RETURNING -create table part_abc (a int, b text, c bool) partition by list (a); -create table part_abc_1 (b text, a int, c bool); -create table part_abc_2 (a int, c bool, b text); -alter table part_abc attach partition part_abc_1 for values in (1); -alter table part_abc attach partition part_abc_2 for values in (2); -insert into part_abc values (1, 'b', true); -insert into part_abc values (2, 'c', true); -create view part_abc_view as select * from part_abc where b <> 'a' with check option; -prepare update_part_abc_view as update part_abc_view set b = $2 where a = $1 returning *; --- Only the unpruned partition should be shown in the list of relations to be --- updated -explain (verbose, costs off) execute update_part_abc_view (1, 'd'); - QUERY PLAN ------------------------------------------------------------------------------ - Update on public.part_abc - Output: part_abc_1.a, part_abc_1.b, part_abc_1.c - Update on public.part_abc_1 - -> Append - Subplans Removed: 1 - -> Seq Scan on public.part_abc_1 - Output: $2, part_abc_1.tableoid, part_abc_1.ctid - Filter: ((part_abc_1.b <> 'a'::text) AND (part_abc_1.a = $1)) -(8 rows) - -execute update_part_abc_view (1, 'd'); - a | b | c ----+---+--- - 1 | d | t -(1 row) - -explain (verbose, costs off) execute update_part_abc_view (2, 'a'); - QUERY PLAN ------------------------------------------------------------------------------ - Update on public.part_abc - Output: part_abc_1.a, part_abc_1.b, part_abc_1.c - Update on public.part_abc_2 - -> Append - Subplans Removed: 1 - -> Seq Scan on public.part_abc_2 - Output: $2, part_abc_2.tableoid, part_abc_2.ctid - Filter: ((part_abc_2.b <> 'a'::text) AND (part_abc_2.a = $1)) -(8 rows) - -execute update_part_abc_view (2, 'a'); -ERROR: new row violates check option for view "part_abc_view" -DETAIL: Failing row contains (2, a, t). --- All pruned. -explain (verbose, costs off) execute update_part_abc_view (3, 'a'); - QUERY PLAN ----------------------------------------------------- - Update on public.part_abc - Output: part_abc_1.a, part_abc_1.b, part_abc_1.c - -> Append - Subplans Removed: 2 -(4 rows) - -execute update_part_abc_view (3, 'a'); - a | b | c ----+---+--- -(0 rows) - -deallocate update_part_abc_view; --- Runtime pruning on MERGE using a stable function -create function stable_one() returns int as $$ begin return 1; end; $$ language plpgsql stable; -explain (costs off) -merge into part_abc_view pt -using (select stable_one() as pid) as q join part_abc_1 pt1 on (q.pid = pt1.a) on pt.a = pt1.a -when matched then delete returning pt.a; - QUERY PLAN ------------------------------------------------------------------------ - Merge on part_abc - Merge on part_abc_1 - -> Nested Loop - -> Append - Subplans Removed: 1 - -> Seq Scan on part_abc_1 - Filter: ((b <> 'a'::text) AND (a = stable_one())) - -> Materialize - -> Seq Scan on part_abc_1 pt1 - Filter: (a = stable_one()) -(10 rows) - -merge into part_abc_view pt -using (select stable_one() as pid) as q join part_abc_1 pt1 on (q.pid = pt1.a) on pt.a = pt1.a -when matched then delete returning pt.a; - a ---- - 1 -(1 row) - -table part_abc_view; - a | b | c ----+---+--- - 2 | c | t -(1 row) - --- All pruned. -explain (costs off) -merge into part_abc_view pt -using (select stable_one() + 2 as pid) as q join part_abc_1 pt1 on (q.pid = pt1.a) on pt.a = pt1.a -when matched then delete returning pt.a; - QUERY PLAN ------------------------------------------------------- - Merge on part_abc - -> Nested Loop - -> Append - Subplans Removed: 2 - -> Materialize - -> Seq Scan on part_abc_1 pt1 - Filter: (a = (stable_one() + 2)) -(7 rows) - -merge into part_abc_view pt -using (select stable_one() + 2 as pid) as q join part_abc_1 pt1 on (q.pid = pt1.a) on pt.a = pt1.a -when matched then delete returning pt.a; - a ---- -(0 rows) - -table part_abc_view; - a | b | c ----+---+--- - 2 | c | t -(1 row) - --- MERGE ... INSERT when all pruned from MERGE source. -begin; -explain (costs off) -merge into part_abc_view pt -using (select stable_one() + 1 as pid) as q join part_abc_2 pt2 on (q.pid = pt2.a) on pt.a = stable_one() + 2 -when not matched then insert values (1, 'd', false) returning pt.a; - QUERY PLAN ------------------------------------------------- - Merge on part_abc - -> Nested Loop Left Join - -> Seq Scan on part_abc_2 pt2 - Filter: ((stable_one() + 1) = a) - -> Materialize - -> Append - Subplans Removed: 2 -(7 rows) - -merge into part_abc_view pt -using (select stable_one() + 1 as pid) as q join part_abc_2 pt2 on (q.pid = pt2.a) on pt.a = stable_one() + 2 -when not matched then insert values (1, 'd', false) returning pt.a; - a ---- - 1 -(1 row) - -table part_abc_view; - a | b | c ----+---+--- - 1 | d | f - 2 | c | t -(2 rows) - -rollback; --- A case with multiple ModifyTable nodes. -begin; -create table part_abc_log (action text, a int, b text, c bool); -explain (costs off) -with t as ( - merge into part_abc_view pt - using (select stable_one() + 1 as pid) as q join part_abc_2 pt2 on (q.pid = pt2.a) on pt.a = stable_one() + 2 - when not matched then insert values (1, 'd', false) returning merge_action(), pt.* -) -insert into part_abc_log select * from t returning *; - QUERY PLAN --------------------------------------------------------- - Insert on part_abc_log - CTE t - -> Merge on part_abc - -> Nested Loop Left Join - -> Seq Scan on part_abc_2 pt2 - Filter: ((stable_one() + 1) = a) - -> Materialize - -> Append - Subplans Removed: 2 - -> CTE Scan on t -(10 rows) - -with t as ( - merge into part_abc_view pt - using (select stable_one() + 1 as pid) as q join part_abc_2 pt2 on (q.pid = pt2.a) on pt.a = stable_one() + 2 - when not matched then insert values (1, 'd', false) returning merge_action(), pt.* -) -insert into part_abc_log select * from t returning *; - action | a | b | c ---------+---+---+--- - INSERT | 1 | d | f -(1 row) - -table part_abc_view; - a | b | c ----+---+--- - 1 | d | f - 2 | c | t -(2 rows) - -table part_abc_log; - action | a | b | c ---------+---+---+--- - INSERT | 1 | d | f -(1 row) - -rollback; --- A case with nested MergeAppend with its own PartitionPruneInfo. -create index on part_abc (a); -alter table part_abc add d int; -create table part_abc_3 partition of part_abc for values in (3, 4) partition by range (d); -create table part_abc_3_1 partition of part_abc_3 for values from (minvalue) to (1); -create table part_abc_3_2 partition of part_abc_3 for values from (1) to (100); -create table part_abc_3_3 partition of part_abc_3 for values from (100) to (maxvalue); -explain (costs off) -select min(a) over (partition by a order by a) from part_abc where a >= stable_one() + 1 and d <= stable_one() -union all -select min(a) over (partition by a order by a) from part_abc where a >= stable_one() + 1 and d >= stable_one(); - QUERY PLAN ----------------------------------------------------------------------------------------------- - Append - -> Subquery Scan on "*SELECT* 1_1" - -> WindowAgg - Window: w1 AS (PARTITION BY part_abc.a ORDER BY part_abc.a) - -> Append - Subplans Removed: 1 - -> Index Scan using part_abc_2_a_idx on part_abc_2 part_abc_1 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d <= stable_one()) - -> Merge Append - Sort Key: part_abc_3.a - Subplans Removed: 1 - -> Index Scan using part_abc_3_1_a_idx on part_abc_3_1 part_abc_3 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d <= stable_one()) - -> Index Scan using part_abc_3_2_a_idx on part_abc_3_2 part_abc_4 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d <= stable_one()) - -> Subquery Scan on "*SELECT* 2" - -> WindowAgg - Window: w1 AS (PARTITION BY part_abc_5.a ORDER BY part_abc_5.a) - -> Append - Subplans Removed: 1 - -> Index Scan using part_abc_2_a_idx on part_abc_2 part_abc_6 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d >= stable_one()) - -> Merge Append - Sort Key: a - Subplans Removed: 1 - -> Index Scan using part_abc_3_2_a_idx on part_abc_3_2 part_abc_8 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d >= stable_one()) - -> Index Scan using part_abc_3_3_a_idx on part_abc_3_3 part_abc_9 - Index Cond: (a >= (stable_one() + 1)) - Filter: (d >= stable_one()) -(35 rows) - -drop view part_abc_view; -drop table part_abc; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/reloptions.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/reloptions.out --- /tmp/cirrus-ci-build/src/test/regress/expected/reloptions.out 2025-06-04 16:00:28.782148000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/reloptions.out 2025-06-04 16:05:11.690225000 +0000 @@ -1,237 +1,2 @@ --- Simple create -CREATE TABLE reloptions_test(i INT) WITH (FiLLFaCToR=30, - autovacuum_enabled = false, autovacuum_analyze_scale_factor = 0.2); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ------------------------------------------------------------------------------- - {fillfactor=30,autovacuum_enabled=false,autovacuum_analyze_scale_factor=0.2} -(1 row) - --- Fail min/max values check -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor=2); -ERROR: value 2 out of bounds for option "fillfactor" -DETAIL: Valid values are between "10" and "100". -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor=110); -ERROR: value 110 out of bounds for option "fillfactor" -DETAIL: Valid values are between "10" and "100". -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_analyze_scale_factor = -10.0); -ERROR: value -10.0 out of bounds for option "autovacuum_analyze_scale_factor" -DETAIL: Valid values are between "0.000000" and "100.000000". -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_analyze_scale_factor = 110.0); -ERROR: value 110.0 out of bounds for option "autovacuum_analyze_scale_factor" -DETAIL: Valid values are between "0.000000" and "100.000000". --- Fail when option and namespace do not exist -CREATE TABLE reloptions_test2(i INT) WITH (not_existing_option=2); -ERROR: unrecognized parameter "not_existing_option" -CREATE TABLE reloptions_test2(i INT) WITH (not_existing_namespace.fillfactor=2); -ERROR: unrecognized parameter namespace "not_existing_namespace" --- Fail while setting improper values -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor=-30.1); -ERROR: value -30.1 out of bounds for option "fillfactor" -DETAIL: Valid values are between "10" and "100". -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor='string'); -ERROR: invalid value for integer option "fillfactor": string -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor=true); -ERROR: invalid value for integer option "fillfactor": true -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_enabled=12); -ERROR: invalid value for boolean option "autovacuum_enabled": 12 -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_enabled=30.5); -ERROR: invalid value for boolean option "autovacuum_enabled": 30.5 -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_enabled='string'); -ERROR: invalid value for boolean option "autovacuum_enabled": string -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_analyze_scale_factor='string'); -ERROR: invalid value for floating point option "autovacuum_analyze_scale_factor": string -CREATE TABLE reloptions_test2(i INT) WITH (autovacuum_analyze_scale_factor=true); -ERROR: invalid value for floating point option "autovacuum_analyze_scale_factor": true --- Fail if option is specified twice -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor=30, fillfactor=40); -ERROR: parameter "fillfactor" specified more than once --- Specifying name only for a non-Boolean option should fail -CREATE TABLE reloptions_test2(i INT) WITH (fillfactor); -ERROR: invalid value for integer option "fillfactor": true --- Simple ALTER TABLE -ALTER TABLE reloptions_test SET (fillfactor=31, - autovacuum_analyze_scale_factor = 0.3); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ------------------------------------------------------------------------------- - {autovacuum_enabled=false,fillfactor=31,autovacuum_analyze_scale_factor=0.3} -(1 row) - --- Set boolean option to true without specifying value -ALTER TABLE reloptions_test SET (autovacuum_enabled, fillfactor=32); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ------------------------------------------------------------------------------ - {autovacuum_analyze_scale_factor=0.3,autovacuum_enabled=true,fillfactor=32} -(1 row) - --- Check that RESET works well -ALTER TABLE reloptions_test RESET (fillfactor); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ---------------------------------------------------------------- - {autovacuum_analyze_scale_factor=0.3,autovacuum_enabled=true} -(1 row) - --- Resetting all values causes the column to become null -ALTER TABLE reloptions_test RESET (autovacuum_enabled, - autovacuum_analyze_scale_factor); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass AND - reloptions IS NULL; - reloptions ------------- - -(1 row) - --- RESET fails if a value is specified -ALTER TABLE reloptions_test RESET (fillfactor=12); -ERROR: RESET must not include values for parameters --- We can RESET an invalid option which for some reason is already set -UPDATE pg_class - SET reloptions = '{fillfactor=13,autovacuum_enabled=false,illegal_option=4}' - WHERE oid = 'reloptions_test'::regclass; -ALTER TABLE reloptions_test RESET (illegal_option); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ------------------------------------------- - {fillfactor=13,autovacuum_enabled=false} -(1 row) - --- Test vacuum_truncate option -DROP TABLE reloptions_test; -CREATE TEMP TABLE reloptions_test(i INT NOT NULL, j text) - WITH (vacuum_truncate=false, - toast.vacuum_truncate=false, - autovacuum_enabled=false); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions --------------------------------------------------- - {vacuum_truncate=false,autovacuum_enabled=false} -(1 row) - -INSERT INTO reloptions_test VALUES (1, NULL), (NULL, NULL); -ERROR: null value in column "i" of relation "reloptions_test" violates not-null constraint -DETAIL: Failing row contains (null, null). --- Do an aggressive vacuum to prevent page-skipping. -VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) reloptions_test; -SELECT pg_relation_size('reloptions_test') > 0; - ?column? ----------- - t -(1 row) - -SELECT reloptions FROM pg_class WHERE oid = - (SELECT reltoastrelid FROM pg_class - WHERE oid = 'reloptions_test'::regclass); - reloptions -------------------------- - {vacuum_truncate=false} -(1 row) - -ALTER TABLE reloptions_test RESET (vacuum_truncate); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions ----------------------------- - {autovacuum_enabled=false} -(1 row) - -INSERT INTO reloptions_test VALUES (1, NULL), (NULL, NULL); -ERROR: null value in column "i" of relation "reloptions_test" violates not-null constraint -DETAIL: Failing row contains (null, null). --- Do an aggressive vacuum to prevent page-skipping. -VACUUM (FREEZE, DISABLE_PAGE_SKIPPING) reloptions_test; -SELECT pg_relation_size('reloptions_test') = 0; - ?column? ----------- - t -(1 row) - --- Test toast.* options -DROP TABLE reloptions_test; -CREATE TABLE reloptions_test (s VARCHAR) - WITH (toast.autovacuum_vacuum_cost_delay = 23); -SELECT reltoastrelid as toast_oid - FROM pg_class WHERE oid = 'reloptions_test'::regclass \gset -SELECT reloptions FROM pg_class WHERE oid = :toast_oid; - reloptions ------------------------------------ - {autovacuum_vacuum_cost_delay=23} -(1 row) - -ALTER TABLE reloptions_test SET (toast.autovacuum_vacuum_cost_delay = 24); -SELECT reloptions FROM pg_class WHERE oid = :toast_oid; - reloptions ------------------------------------ - {autovacuum_vacuum_cost_delay=24} -(1 row) - -ALTER TABLE reloptions_test RESET (toast.autovacuum_vacuum_cost_delay); -SELECT reloptions FROM pg_class WHERE oid = :toast_oid; - reloptions ------------- - -(1 row) - --- Fail on non-existent options in toast namespace -CREATE TABLE reloptions_test2 (i int) WITH (toast.not_existing_option = 42); -ERROR: unrecognized parameter "not_existing_option" --- Mix TOAST & heap -DROP TABLE reloptions_test; -CREATE TABLE reloptions_test (s VARCHAR) WITH - (toast.autovacuum_vacuum_cost_delay = 23, - autovacuum_vacuum_cost_delay = 24, fillfactor = 40); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test'::regclass; - reloptions -------------------------------------------------- - {autovacuum_vacuum_cost_delay=24,fillfactor=40} -(1 row) - -SELECT reloptions FROM pg_class WHERE oid = ( - SELECT reltoastrelid FROM pg_class WHERE oid = 'reloptions_test'::regclass); - reloptions ------------------------------------ - {autovacuum_vacuum_cost_delay=23} -(1 row) - --- --- CREATE INDEX, ALTER INDEX for btrees --- -CREATE INDEX reloptions_test_idx ON reloptions_test (s) WITH (fillfactor=30); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test_idx'::regclass; - reloptions ------------------ - {fillfactor=30} -(1 row) - --- Fail when option and namespace do not exist -CREATE INDEX reloptions_test_idx ON reloptions_test (s) - WITH (not_existing_option=2); -ERROR: unrecognized parameter "not_existing_option" -CREATE INDEX reloptions_test_idx ON reloptions_test (s) - WITH (not_existing_ns.fillfactor=2); -ERROR: unrecognized parameter namespace "not_existing_ns" --- Check allowed ranges -CREATE INDEX reloptions_test_idx2 ON reloptions_test (s) WITH (fillfactor=1); -ERROR: value 1 out of bounds for option "fillfactor" -DETAIL: Valid values are between "10" and "100". -CREATE INDEX reloptions_test_idx2 ON reloptions_test (s) WITH (fillfactor=130); -ERROR: value 130 out of bounds for option "fillfactor" -DETAIL: Valid values are between "10" and "100". --- Check ALTER -ALTER INDEX reloptions_test_idx SET (fillfactor=40); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test_idx'::regclass; - reloptions ------------------ - {fillfactor=40} -(1 row) - --- Check ALTER on empty reloption list -CREATE INDEX reloptions_test_idx3 ON reloptions_test (s); -ALTER INDEX reloptions_test_idx3 SET (fillfactor=40); -SELECT reloptions FROM pg_class WHERE oid = 'reloptions_test_idx3'::regclass; - reloptions ------------------ - {fillfactor=40} -(1 row) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/hash_part.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/hash_part.out --- /tmp/cirrus-ci-build/src/test/regress/expected/hash_part.out 2025-06-04 16:00:28.743259000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/hash_part.out 2025-06-04 16:05:11.693271000 +0000 @@ -1,114 +1,2 @@ --- --- Hash partitioning. --- --- Use hand-rolled hash functions and operator classes to get predictable --- result on different machines. See the definitions of --- part_test_int4_ops and part_test_text_ops in test_setup.sql. -CREATE TABLE mchash (a int, b text, c jsonb) - PARTITION BY HASH (a part_test_int4_ops, b part_test_text_ops); -CREATE TABLE mchash1 - PARTITION OF mchash FOR VALUES WITH (MODULUS 4, REMAINDER 0); --- invalid OID, no such table -SELECT satisfies_hash_partition(0, 4, 0, NULL); -ERROR: could not open relation with OID 0 --- not partitioned -SELECT satisfies_hash_partition('tenk1'::regclass, 4, 0, NULL); -ERROR: "tenk1" is not a hash partitioned table --- partition rather than the parent -SELECT satisfies_hash_partition('mchash1'::regclass, 4, 0, NULL); -ERROR: "mchash1" is not a hash partitioned table --- invalid modulus -SELECT satisfies_hash_partition('mchash'::regclass, 0, 0, NULL); -ERROR: modulus for hash partition must be an integer value greater than zero --- remainder too small -SELECT satisfies_hash_partition('mchash'::regclass, 1, -1, NULL); -ERROR: remainder for hash partition must be an integer value greater than or equal to zero --- remainder too large -SELECT satisfies_hash_partition('mchash'::regclass, 1, 1, NULL); -ERROR: remainder for hash partition must be less than modulus --- modulus is null -SELECT satisfies_hash_partition('mchash'::regclass, NULL, 0, NULL); - satisfies_hash_partition --------------------------- - f -(1 row) - --- remainder is null -SELECT satisfies_hash_partition('mchash'::regclass, 4, NULL, NULL); - satisfies_hash_partition --------------------------- - f -(1 row) - --- too many arguments -SELECT satisfies_hash_partition('mchash'::regclass, 4, 0, NULL::int, NULL::text, NULL::json); -ERROR: number of partitioning columns (2) does not match number of partition keys provided (3) --- too few arguments -SELECT satisfies_hash_partition('mchash'::regclass, 3, 1, NULL::int); -ERROR: number of partitioning columns (2) does not match number of partition keys provided (1) --- wrong argument type -SELECT satisfies_hash_partition('mchash'::regclass, 2, 1, NULL::int, NULL::int); -ERROR: column 2 of the partition key has type text, but supplied value is of type integer --- ok, should be false -SELECT satisfies_hash_partition('mchash'::regclass, 4, 0, 0, ''::text); - satisfies_hash_partition --------------------------- - f -(1 row) - --- ok, should be true -SELECT satisfies_hash_partition('mchash'::regclass, 4, 0, 2, ''::text); - satisfies_hash_partition --------------------------- - t -(1 row) - --- argument via variadic syntax, should fail because not all partitioning --- columns are of the correct type -SELECT satisfies_hash_partition('mchash'::regclass, 2, 1, - variadic array[1,2]::int[]); -ERROR: column 2 of the partition key has type "text", but supplied value is of type "integer" --- multiple partitioning columns of the same type -CREATE TABLE mcinthash (a int, b int, c jsonb) - PARTITION BY HASH (a part_test_int4_ops, b part_test_int4_ops); --- now variadic should work, should be false -SELECT satisfies_hash_partition('mcinthash'::regclass, 4, 0, - variadic array[0, 0]); - satisfies_hash_partition --------------------------- - f -(1 row) - --- should be true -SELECT satisfies_hash_partition('mcinthash'::regclass, 4, 0, - variadic array[0, 1]); - satisfies_hash_partition --------------------------- - t -(1 row) - --- wrong length -SELECT satisfies_hash_partition('mcinthash'::regclass, 4, 0, - variadic array[]::int[]); -ERROR: number of partitioning columns (2) does not match number of partition keys provided (0) --- wrong type -SELECT satisfies_hash_partition('mcinthash'::regclass, 4, 0, - variadic array[now(), now()]); -ERROR: column 1 of the partition key has type "integer", but supplied value is of type "timestamp with time zone" --- check satisfies_hash_partition passes correct collation -create table text_hashp (a text) partition by hash (a); -create table text_hashp0 partition of text_hashp for values with (modulus 2, remainder 0); -create table text_hashp1 partition of text_hashp for values with (modulus 2, remainder 1); --- The result here should always be true, because 'xxx' must belong to --- one of the two defined partitions -select satisfies_hash_partition('text_hashp'::regclass, 2, 0, 'xxx'::text) OR - satisfies_hash_partition('text_hashp'::regclass, 2, 1, 'xxx'::text) AS satisfies; - satisfies ------------ - t -(1 row) - --- cleanup -DROP TABLE mchash; -DROP TABLE mcinthash; -DROP TABLE text_hashp; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/indexing.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/indexing.out --- /tmp/cirrus-ci-build/src/test/regress/expected/indexing.out 2025-06-04 16:00:28.746071000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/indexing.out 2025-06-04 16:05:11.682133000 +0000 @@ -1,1671 +1,2 @@ --- Creating an index on a partitioned table makes the partitions --- automatically get the index -create table idxpart (a int, b int, c text) partition by range (a); --- relhassubclass of a partitioned index is false before creating any partition. --- It will be set after the first partition is created. -create index idxpart_idx on idxpart (a); -select relhassubclass from pg_class where relname = 'idxpart_idx'; - relhassubclass ----------------- - f -(1 row) - --- Check that partitioned indexes are present in pg_indexes. -select indexdef from pg_indexes where indexname like 'idxpart_idx%'; - indexdef ------------------------------------------------------------------ - CREATE INDEX idxpart_idx ON ONLY public.idxpart USING btree (a) -(1 row) - -drop index idxpart_idx; -create table idxpart1 partition of idxpart for values from (0) to (10); -create table idxpart2 partition of idxpart for values from (10) to (100) - partition by range (b); -create table idxpart21 partition of idxpart2 for values from (0) to (100); --- Even with partitions, relhassubclass should not be set if a partitioned --- index is created only on the parent. -create index idxpart_idx on only idxpart(a); -select relhassubclass from pg_class where relname = 'idxpart_idx'; - relhassubclass ----------------- - f -(1 row) - -drop index idxpart_idx; -create index on idxpart (a); -select relname, relkind, relhassubclass, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | relhassubclass | inhparent ------------------+---------+----------------+---------------- - idxpart | p | t | - idxpart1 | r | f | - idxpart1_a_idx | i | f | idxpart_a_idx - idxpart2 | p | t | - idxpart21 | r | f | - idxpart21_a_idx | i | f | idxpart2_a_idx - idxpart2_a_idx | I | t | idxpart_a_idx - idxpart_a_idx | I | t | -(8 rows) - -drop table idxpart; --- Some unsupported features -create table idxpart (a int, b int, c text) partition by range (a); -create table idxpart1 partition of idxpart for values from (0) to (10); -create index concurrently on idxpart (a); -ERROR: cannot create index on partitioned table "idxpart" concurrently -drop table idxpart; --- Verify bugfix with query on indexed partitioned table with no partitions --- https://postgr.es/m/20180124162006.pmapfiznhgngwtjf@alvherre.pgsql -CREATE TABLE idxpart (col1 INT) PARTITION BY RANGE (col1); -CREATE INDEX ON idxpart (col1); -CREATE TABLE idxpart_two (col2 INT); -SELECT col2 FROM idxpart_two fk LEFT OUTER JOIN idxpart pk ON (col1 = col2); - col2 ------- -(0 rows) - -DROP table idxpart, idxpart_two; --- Verify bugfix with index rewrite on ALTER TABLE / SET DATA TYPE --- https://postgr.es/m/CAKcux6mxNCGsgATwf5CGMF8g4WSupCXicCVMeKUTuWbyxHOMsQ@mail.gmail.com -CREATE TABLE idxpart (a INT, b TEXT, c INT) PARTITION BY RANGE(a); -CREATE TABLE idxpart1 PARTITION OF idxpart FOR VALUES FROM (MINVALUE) TO (MAXVALUE); -CREATE INDEX partidx_abc_idx ON idxpart (a, b, c); -INSERT INTO idxpart (a, b, c) SELECT i, i, i FROM generate_series(1, 50) i; -ALTER TABLE idxpart ALTER COLUMN c TYPE numeric; -DROP TABLE idxpart; --- If a table without index is attached as partition to a table with --- an index, the index is automatically created -create table idxpart (a int, b int, c text) partition by range (a); -create index idxparti on idxpart (a); -create index idxparti2 on idxpart (b, c); -create table idxpart1 (like idxpart); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | - -alter table idxpart attach partition idxpart1 for values from (0) to (10); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | -Partition of: idxpart FOR VALUES FROM (0) TO (10) -Indexes: - "idxpart1_a_idx" btree (a) - "idxpart1_b_c_idx" btree (b, c) - -\d+ idxpart1_a_idx - Index "public.idxpart1_a_idx" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+---------+-------------- - a | integer | yes | a | plain | -Partition of: idxparti -No partition constraint -btree, for table "public.idxpart1" - -\d+ idxpart1_b_c_idx - Index "public.idxpart1_b_c_idx" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+----------+-------------- - b | integer | yes | b | plain | - c | text | yes | c | extended | -Partition of: idxparti2 -No partition constraint -btree, for table "public.idxpart1" - --- Forbid ALTER TABLE when attaching or detaching an index to a partition. -create index idxpart_c on only idxpart (c); -create index idxpart1_c on idxpart1 (c); -alter table idxpart_c attach partition idxpart1_c for values from (10) to (20); -ERROR: "idxpart_c" is not a partitioned table -alter index idxpart_c attach partition idxpart1_c; -select relname, relpartbound from pg_class - where relname in ('idxpart_c', 'idxpart1_c') - order by relname; - relname | relpartbound -------------+-------------- - idxpart1_c | - idxpart_c | -(2 rows) - -alter table idxpart_c detach partition idxpart1_c; -ERROR: ALTER action DETACH PARTITION cannot be performed on relation "idxpart_c" -DETAIL: This operation is not supported for partitioned indexes. -drop table idxpart; --- If a partition already has an index, don't create a duplicative one -create table idxpart (a int, b int) partition by range (a, b); -create table idxpart1 partition of idxpart for values from (0, 0) to (10, 10); -create index on idxpart1 (a, b); -create index on idxpart (a, b); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition of: idxpart FOR VALUES FROM (0, 0) TO (10, 10) -Indexes: - "idxpart1_a_b_idx" btree (a, b) - -select relname, relkind, relhassubclass, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | relhassubclass | inhparent -------------------+---------+----------------+----------------- - idxpart | p | t | - idxpart1 | r | f | - idxpart1_a_b_idx | i | f | idxpart_a_b_idx - idxpart_a_b_idx | I | t | -(4 rows) - -drop table idxpart; --- DROP behavior for partitioned indexes -create table idxpart (a int) partition by range (a); -create index on idxpart (a); -create table idxpart1 partition of idxpart for values from (0) to (10); -drop index idxpart1_a_idx; -- no way -ERROR: cannot drop index idxpart1_a_idx because index idxpart_a_idx requires it -HINT: You can drop index idxpart_a_idx instead. -drop index concurrently idxpart_a_idx; -- unsupported -ERROR: cannot drop partitioned index "idxpart_a_idx" concurrently -drop index idxpart_a_idx; -- both indexes go away -select relname, relkind from pg_class - where relname like 'idxpart%' order by relname; - relname | relkind -----------+--------- - idxpart | p - idxpart1 | r -(2 rows) - -create index on idxpart (a); -drop table idxpart1; -- the index on partition goes away too -select relname, relkind from pg_class - where relname like 'idxpart%' order by relname; - relname | relkind ----------------+--------- - idxpart | p - idxpart_a_idx | I -(2 rows) - -drop table idxpart; --- DROP behavior with temporary partitioned indexes -create temp table idxpart_temp (a int) partition by range (a); -create index on idxpart_temp(a); -create temp table idxpart1_temp partition of idxpart_temp - for values from (0) to (10); -drop index idxpart1_temp_a_idx; -- error -ERROR: cannot drop index idxpart1_temp_a_idx because index idxpart_temp_a_idx requires it -HINT: You can drop index idxpart_temp_a_idx instead. --- non-concurrent drop is enforced here, so it is a valid case. -drop index concurrently idxpart_temp_a_idx; -select relname, relkind from pg_class - where relname like 'idxpart_temp%' order by relname; - relname | relkind ---------------+--------- - idxpart_temp | p -(1 row) - -drop table idxpart_temp; --- ALTER INDEX .. ATTACH, error cases -create table idxpart (a int, b int) partition by range (a, b); -create table idxpart1 partition of idxpart for values from (0, 0) to (10, 10); -create index idxpart_a_b_idx on only idxpart (a, b); -create index idxpart1_a_b_idx on idxpart1 (a, b); -create index idxpart1_tst1 on idxpart1 (b, a); -create index idxpart1_tst2 on idxpart1 using hash (a); -create index idxpart1_tst3 on idxpart1 (a, b) where a > 10; -alter index idxpart attach partition idxpart1; -ERROR: "idxpart" is not an index -alter index idxpart_a_b_idx attach partition idxpart1; -ERROR: "idxpart1" is not an index -alter index idxpart_a_b_idx attach partition idxpart_a_b_idx; -ERROR: cannot attach index "idxpart_a_b_idx" as a partition of index "idxpart_a_b_idx" -DETAIL: Index "idxpart_a_b_idx" is not an index on any partition of table "idxpart". -alter index idxpart_a_b_idx attach partition idxpart1_b_idx; -ERROR: relation "idxpart1_b_idx" does not exist -alter index idxpart_a_b_idx attach partition idxpart1_tst1; -ERROR: cannot attach index "idxpart1_tst1" as a partition of index "idxpart_a_b_idx" -DETAIL: The index definitions do not match. -alter index idxpart_a_b_idx attach partition idxpart1_tst2; -ERROR: cannot attach index "idxpart1_tst2" as a partition of index "idxpart_a_b_idx" -DETAIL: The index definitions do not match. -alter index idxpart_a_b_idx attach partition idxpart1_tst3; -ERROR: cannot attach index "idxpart1_tst3" as a partition of index "idxpart_a_b_idx" -DETAIL: The index definitions do not match. --- OK -alter index idxpart_a_b_idx attach partition idxpart1_a_b_idx; -alter index idxpart_a_b_idx attach partition idxpart1_a_b_idx; -- quiet --- reject dupe -create index idxpart1_2_a_b on idxpart1 (a, b); -alter index idxpart_a_b_idx attach partition idxpart1_2_a_b; -ERROR: cannot attach index "idxpart1_2_a_b" as a partition of index "idxpart_a_b_idx" -DETAIL: Another index is already attached for partition "idxpart1". -drop table idxpart; --- make sure everything's gone -select indexrelid::regclass, indrelid::regclass - from pg_index where indexrelid::regclass::text like 'idxpart%'; - indexrelid | indrelid -------------+---------- -(0 rows) - --- Don't auto-attach incompatible indexes -create table idxpart (a int, b int) partition by range (a); -create table idxpart1 (a int, b int); -create index on idxpart1 using hash (a); -create index on idxpart1 (a) where b > 1; -create index on idxpart1 ((a + 0)); -create index on idxpart1 (a, a); -create index on idxpart (a); -alter table idxpart attach partition idxpart1 for values from (0) to (1000); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition of: idxpart FOR VALUES FROM (0) TO (1000) -Indexes: - "idxpart1_a_a1_idx" btree (a, a) - "idxpart1_a_idx" hash (a) - "idxpart1_a_idx1" btree (a) WHERE b > 1 - "idxpart1_a_idx2" btree (a) - "idxpart1_expr_idx" btree ((a + 0)) - -drop table idxpart; --- If CREATE INDEX ONLY, don't create indexes on partitions; and existing --- indexes on partitions don't change parent. ALTER INDEX ATTACH can change --- the parent after the fact. -create table idxpart (a int) partition by range (a); -create table idxpart1 partition of idxpart for values from (0) to (100); -create table idxpart2 partition of idxpart for values from (100) to (1000) - partition by range (a); -create table idxpart21 partition of idxpart2 for values from (100) to (200); -create table idxpart22 partition of idxpart2 for values from (200) to (300); -create index on idxpart22 (a); -create index on only idxpart2 (a); -create index on idxpart (a); --- Here we expect that idxpart1 and idxpart2 have a new index, but idxpart21 --- does not; also, idxpart22 is not attached. -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: idxpart FOR VALUES FROM (0) TO (100) -Indexes: - "idxpart1_a_idx" btree (a) - -\d idxpart2 - Partitioned table "public.idxpart2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: idxpart FOR VALUES FROM (100) TO (1000) -Partition key: RANGE (a) -Indexes: - "idxpart2_a_idx" btree (a) INVALID -Number of partitions: 2 (Use \d+ to list them.) - -\d idxpart21 - Table "public.idxpart21" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: idxpart2 FOR VALUES FROM (100) TO (200) - -select indexrelid::regclass, indrelid::regclass, inhparent::regclass - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) -where indexrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indrelid | inhparent ------------------+-----------+--------------- - idxpart1_a_idx | idxpart1 | idxpart_a_idx - idxpart22_a_idx | idxpart22 | - idxpart2_a_idx | idxpart2 | idxpart_a_idx - idxpart_a_idx | idxpart | -(4 rows) - -alter index idxpart2_a_idx attach partition idxpart22_a_idx; -select indexrelid::regclass, indrelid::regclass, inhparent::regclass - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) -where indexrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indrelid | inhparent ------------------+-----------+---------------- - idxpart1_a_idx | idxpart1 | idxpart_a_idx - idxpart22_a_idx | idxpart22 | idxpart2_a_idx - idxpart2_a_idx | idxpart2 | idxpart_a_idx - idxpart_a_idx | idxpart | -(4 rows) - --- attaching idxpart22 is not enough to set idxpart22_a_idx valid ... -alter index idxpart2_a_idx attach partition idxpart22_a_idx; -\d idxpart2 - Partitioned table "public.idxpart2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: idxpart FOR VALUES FROM (100) TO (1000) -Partition key: RANGE (a) -Indexes: - "idxpart2_a_idx" btree (a) INVALID -Number of partitions: 2 (Use \d+ to list them.) - --- ... but this one is. -create index on idxpart21 (a); -alter index idxpart2_a_idx attach partition idxpart21_a_idx; -\d idxpart2 - Partitioned table "public.idxpart2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: idxpart FOR VALUES FROM (100) TO (1000) -Partition key: RANGE (a) -Indexes: - "idxpart2_a_idx" btree (a) -Number of partitions: 2 (Use \d+ to list them.) - -drop table idxpart; --- When a table is attached a partition and it already has an index, a --- duplicate index should not get created, but rather the index becomes --- attached to the parent's index. -create table idxpart (a int, b int, c text, d bool) partition by range (a); -create index idxparti on idxpart (a); -create index idxparti2 on idxpart (b, c); -create table idxpart1 (like idxpart including indexes); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | - d | boolean | | | -Indexes: - "idxpart1_a_idx" btree (a) - "idxpart1_b_c_idx" btree (b, c) - -select relname, relkind, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | inhparent -------------------+---------+----------- - idxpart | p | - idxpart1 | r | - idxpart1_a_idx | i | - idxpart1_b_c_idx | i | - idxparti | I | - idxparti2 | I | -(6 rows) - -alter table idxpart attach partition idxpart1 for values from (0) to (10); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | - d | boolean | | | -Partition of: idxpart FOR VALUES FROM (0) TO (10) -Indexes: - "idxpart1_a_idx" btree (a) - "idxpart1_b_c_idx" btree (b, c) - -select relname, relkind, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | inhparent -------------------+---------+----------- - idxpart | p | - idxpart1 | r | - idxpart1_a_idx | i | idxparti - idxpart1_b_c_idx | i | idxparti2 - idxparti | I | - idxparti2 | I | -(6 rows) - --- While here, also check matching when creating an index after the fact. -create index on idxpart1 ((a+b)) where d = true; -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | - d | boolean | | | -Partition of: idxpart FOR VALUES FROM (0) TO (10) -Indexes: - "idxpart1_a_idx" btree (a) - "idxpart1_b_c_idx" btree (b, c) - "idxpart1_expr_idx" btree ((a + b)) WHERE d = true - -select relname, relkind, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | inhparent --------------------+---------+----------- - idxpart | p | - idxpart1 | r | - idxpart1_a_idx | i | idxparti - idxpart1_b_c_idx | i | idxparti2 - idxpart1_expr_idx | i | - idxparti | I | - idxparti2 | I | -(7 rows) - -create index idxparti3 on idxpart ((a+b)) where d = true; -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | text | | | - d | boolean | | | -Partition of: idxpart FOR VALUES FROM (0) TO (10) -Indexes: - "idxpart1_a_idx" btree (a) - "idxpart1_b_c_idx" btree (b, c) - "idxpart1_expr_idx" btree ((a + b)) WHERE d = true - -select relname, relkind, inhparent::regclass - from pg_class left join pg_index ix on (indexrelid = oid) - left join pg_inherits on (ix.indexrelid = inhrelid) - where relname like 'idxpart%' order by relname; - relname | relkind | inhparent --------------------+---------+----------- - idxpart | p | - idxpart1 | r | - idxpart1_a_idx | i | idxparti - idxpart1_b_c_idx | i | idxparti2 - idxpart1_expr_idx | i | idxparti3 - idxparti | I | - idxparti2 | I | - idxparti3 | I | -(8 rows) - -drop table idxpart; --- Verify that attaching an invalid index does not mark the parent index valid. --- On the other hand, attaching a valid index marks not only its direct --- ancestor valid, but also any indirect ancestor that was only missing the one --- that was just made valid -create table idxpart (a int, b int) partition by range (a); -create table idxpart1 partition of idxpart for values from (1) to (1000) partition by range (a); -create table idxpart11 partition of idxpart1 for values from (1) to (100); -create index on only idxpart1 (a); -create index on only idxpart (a); --- this results in two invalid indexes: -select relname, indisvalid from pg_class join pg_index on indexrelid = oid - where relname like 'idxpart%' order by relname; - relname | indisvalid -----------------+------------ - idxpart1_a_idx | f - idxpart_a_idx | f -(2 rows) - --- idxpart1_a_idx is not valid, so idxpart_a_idx should not become valid: -alter index idxpart_a_idx attach partition idxpart1_a_idx; -select relname, indisvalid from pg_class join pg_index on indexrelid = oid - where relname like 'idxpart%' order by relname; - relname | indisvalid -----------------+------------ - idxpart1_a_idx | f - idxpart_a_idx | f -(2 rows) - --- after creating and attaching this, both idxpart1_a_idx and idxpart_a_idx --- should become valid -create index on idxpart11 (a); -alter index idxpart1_a_idx attach partition idxpart11_a_idx; -select relname, indisvalid from pg_class join pg_index on indexrelid = oid - where relname like 'idxpart%' order by relname; - relname | indisvalid ------------------+------------ - idxpart11_a_idx | t - idxpart1_a_idx | t - idxpart_a_idx | t -(3 rows) - -drop table idxpart; --- verify dependency handling during ALTER TABLE DETACH PARTITION -create table idxpart (a int) partition by range (a); -create table idxpart1 (like idxpart); -create index on idxpart1 (a); -create index on idxpart (a); -create table idxpart2 (like idxpart); -alter table idxpart attach partition idxpart1 for values from (0000) to (1000); -alter table idxpart attach partition idxpart2 for values from (1000) to (2000); -create table idxpart3 partition of idxpart for values from (2000) to (3000); -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind -----------------+--------- - idxpart | p - idxpart1 | r - idxpart1_a_idx | i - idxpart2 | r - idxpart2_a_idx | i - idxpart3 | r - idxpart3_a_idx | i - idxpart_a_idx | I -(8 rows) - --- a) after detaching partitions, the indexes can be dropped independently -alter table idxpart detach partition idxpart1; -alter table idxpart detach partition idxpart2; -alter table idxpart detach partition idxpart3; -drop index idxpart1_a_idx; -drop index idxpart2_a_idx; -drop index idxpart3_a_idx; -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind ----------------+--------- - idxpart | p - idxpart1 | r - idxpart2 | r - idxpart3 | r - idxpart_a_idx | I -(5 rows) - -drop table idxpart, idxpart1, idxpart2, idxpart3; -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind ----------+--------- -(0 rows) - -create table idxpart (a int) partition by range (a); -create table idxpart1 (like idxpart); -create index on idxpart1 (a); -create index on idxpart (a); -create table idxpart2 (like idxpart); -alter table idxpart attach partition idxpart1 for values from (0000) to (1000); -alter table idxpart attach partition idxpart2 for values from (1000) to (2000); -create table idxpart3 partition of idxpart for values from (2000) to (3000); --- b) after detaching, dropping the index on parent does not remove the others -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind -----------------+--------- - idxpart | p - idxpart1 | r - idxpart1_a_idx | i - idxpart2 | r - idxpart2_a_idx | i - idxpart3 | r - idxpart3_a_idx | i - idxpart_a_idx | I -(8 rows) - -alter table idxpart detach partition idxpart1; -alter table idxpart detach partition idxpart2; -alter table idxpart detach partition idxpart3; -drop index idxpart_a_idx; -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind -----------------+--------- - idxpart | p - idxpart1 | r - idxpart1_a_idx | i - idxpart2 | r - idxpart2_a_idx | i - idxpart3 | r - idxpart3_a_idx | i -(7 rows) - -drop table idxpart, idxpart1, idxpart2, idxpart3; -select relname, relkind from pg_class where relname like 'idxpart%' order by relname; - relname | relkind ----------+--------- -(0 rows) - -create table idxpart (a int, b int, c int) partition by range(a); -create index on idxpart(c); -create table idxpart1 partition of idxpart for values from (0) to (250); -create table idxpart2 partition of idxpart for values from (250) to (500); -alter table idxpart detach partition idxpart2; -\d idxpart2 - Table "public.idxpart2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - c | integer | | | -Indexes: - "idxpart2_c_idx" btree (c) - -alter table idxpart2 drop column c; -\d idxpart2 - Table "public.idxpart2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | - -drop table idxpart, idxpart2; --- Verify that expression indexes inherit correctly -create table idxpart (a int, b int) partition by range (a); -create table idxpart1 (like idxpart); -create index on idxpart1 ((a + b)); -create index on idxpart ((a + b)); -create table idxpart2 (like idxpart); -alter table idxpart attach partition idxpart1 for values from (0000) to (1000); -alter table idxpart attach partition idxpart2 for values from (1000) to (2000); -create table idxpart3 partition of idxpart for values from (2000) to (3000); -select relname as child, inhparent::regclass as parent, pg_get_indexdef as childdef - from pg_class join pg_inherits on inhrelid = oid, - lateral pg_get_indexdef(pg_class.oid) - where relkind in ('i', 'I') and relname like 'idxpart%' order by relname; - child | parent | childdef --------------------+------------------+--------------------------------------------------------------------------- - idxpart1_expr_idx | idxpart_expr_idx | CREATE INDEX idxpart1_expr_idx ON public.idxpart1 USING btree (((a + b))) - idxpart2_expr_idx | idxpart_expr_idx | CREATE INDEX idxpart2_expr_idx ON public.idxpart2 USING btree (((a + b))) - idxpart3_expr_idx | idxpart_expr_idx | CREATE INDEX idxpart3_expr_idx ON public.idxpart3 USING btree (((a + b))) -(3 rows) - -drop table idxpart; --- Verify behavior for collation (mis)matches -create table idxpart (a text) partition by range (a); -create table idxpart1 (like idxpart); -create table idxpart2 (like idxpart); -create index on idxpart2 (a collate "POSIX"); -create index on idxpart2 (a); -create index on idxpart2 (a collate "C"); -alter table idxpart attach partition idxpart1 for values from ('aaa') to ('bbb'); -alter table idxpart attach partition idxpart2 for values from ('bbb') to ('ccc'); -create table idxpart3 partition of idxpart for values from ('ccc') to ('ddd'); -create index on idxpart (a collate "C"); -create table idxpart4 partition of idxpart for values from ('ddd') to ('eee'); -select relname as child, inhparent::regclass as parent, pg_get_indexdef as childdef - from pg_class left join pg_inherits on inhrelid = oid, - lateral pg_get_indexdef(pg_class.oid) - where relkind in ('i', 'I') and relname like 'idxpart%' order by relname; - child | parent | childdef ------------------+---------------+-------------------------------------------------------------------------------- - idxpart1_a_idx | idxpart_a_idx | CREATE INDEX idxpart1_a_idx ON public.idxpart1 USING btree (a COLLATE "C") - idxpart2_a_idx | | CREATE INDEX idxpart2_a_idx ON public.idxpart2 USING btree (a COLLATE "POSIX") - idxpart2_a_idx1 | | CREATE INDEX idxpart2_a_idx1 ON public.idxpart2 USING btree (a) - idxpart2_a_idx2 | idxpart_a_idx | CREATE INDEX idxpart2_a_idx2 ON public.idxpart2 USING btree (a COLLATE "C") - idxpart3_a_idx | idxpart_a_idx | CREATE INDEX idxpart3_a_idx ON public.idxpart3 USING btree (a COLLATE "C") - idxpart4_a_idx | idxpart_a_idx | CREATE INDEX idxpart4_a_idx ON public.idxpart4 USING btree (a COLLATE "C") - idxpart_a_idx | | CREATE INDEX idxpart_a_idx ON ONLY public.idxpart USING btree (a COLLATE "C") -(7 rows) - -drop table idxpart; --- Verify behavior for opclass (mis)matches -create table idxpart (a text) partition by range (a); -create table idxpart1 (like idxpart); -create table idxpart2 (like idxpart); -create index on idxpart2 (a); -alter table idxpart attach partition idxpart1 for values from ('aaa') to ('bbb'); -alter table idxpart attach partition idxpart2 for values from ('bbb') to ('ccc'); -create table idxpart3 partition of idxpart for values from ('ccc') to ('ddd'); -create index on idxpart (a text_pattern_ops); -create table idxpart4 partition of idxpart for values from ('ddd') to ('eee'); --- must *not* have attached the index we created on idxpart2 -select relname as child, inhparent::regclass as parent, pg_get_indexdef as childdef - from pg_class left join pg_inherits on inhrelid = oid, - lateral pg_get_indexdef(pg_class.oid) - where relkind in ('i', 'I') and relname like 'idxpart%' order by relname; - child | parent | childdef ------------------+---------------+------------------------------------------------------------------------------------ - idxpart1_a_idx | idxpart_a_idx | CREATE INDEX idxpart1_a_idx ON public.idxpart1 USING btree (a text_pattern_ops) - idxpart2_a_idx | | CREATE INDEX idxpart2_a_idx ON public.idxpart2 USING btree (a) - idxpart2_a_idx1 | idxpart_a_idx | CREATE INDEX idxpart2_a_idx1 ON public.idxpart2 USING btree (a text_pattern_ops) - idxpart3_a_idx | idxpart_a_idx | CREATE INDEX idxpart3_a_idx ON public.idxpart3 USING btree (a text_pattern_ops) - idxpart4_a_idx | idxpart_a_idx | CREATE INDEX idxpart4_a_idx ON public.idxpart4 USING btree (a text_pattern_ops) - idxpart_a_idx | | CREATE INDEX idxpart_a_idx ON ONLY public.idxpart USING btree (a text_pattern_ops) -(6 rows) - -drop index idxpart_a_idx; -create index on only idxpart (a text_pattern_ops); --- must reject -alter index idxpart_a_idx attach partition idxpart2_a_idx; -ERROR: cannot attach index "idxpart2_a_idx" as a partition of index "idxpart_a_idx" -DETAIL: The index definitions do not match. -drop table idxpart; --- Verify that attaching indexes maps attribute numbers correctly -create table idxpart (col1 int, a int, col2 int, b int) partition by range (a); -create table idxpart1 (b int, col1 int, col2 int, col3 int, a int); -alter table idxpart drop column col1, drop column col2; -alter table idxpart1 drop column col1, drop column col2, drop column col3; -alter table idxpart attach partition idxpart1 for values from (0) to (1000); -create index idxpart_1_idx on only idxpart (b, a); -create index idxpart1_1_idx on idxpart1 (b, a); -create index idxpart1_1b_idx on idxpart1 (b); --- test expressions and partial-index predicate, too -create index idxpart_2_idx on only idxpart ((b + a)) where a > 1; -create index idxpart1_2_idx on idxpart1 ((b + a)) where a > 1; -create index idxpart1_2b_idx on idxpart1 ((a + b)) where a > 1; -create index idxpart1_2c_idx on idxpart1 ((b + a)) where b > 1; -alter index idxpart_1_idx attach partition idxpart1_1b_idx; -- fail -ERROR: cannot attach index "idxpart1_1b_idx" as a partition of index "idxpart_1_idx" -DETAIL: The index definitions do not match. -alter index idxpart_1_idx attach partition idxpart1_1_idx; -alter index idxpart_2_idx attach partition idxpart1_2b_idx; -- fail -ERROR: cannot attach index "idxpart1_2b_idx" as a partition of index "idxpart_2_idx" -DETAIL: The index definitions do not match. -alter index idxpart_2_idx attach partition idxpart1_2c_idx; -- fail -ERROR: cannot attach index "idxpart1_2c_idx" as a partition of index "idxpart_2_idx" -DETAIL: The index definitions do not match. -alter index idxpart_2_idx attach partition idxpart1_2_idx; -- ok -select relname as child, inhparent::regclass as parent, pg_get_indexdef as childdef - from pg_class left join pg_inherits on inhrelid = oid, - lateral pg_get_indexdef(pg_class.oid) - where relkind in ('i', 'I') and relname like 'idxpart%' order by relname; - child | parent | childdef ------------------+---------------+----------------------------------------------------------------------------------------- - idxpart1_1_idx | idxpart_1_idx | CREATE INDEX idxpart1_1_idx ON public.idxpart1 USING btree (b, a) - idxpart1_1b_idx | | CREATE INDEX idxpart1_1b_idx ON public.idxpart1 USING btree (b) - idxpart1_2_idx | idxpart_2_idx | CREATE INDEX idxpart1_2_idx ON public.idxpart1 USING btree (((b + a))) WHERE (a > 1) - idxpart1_2b_idx | | CREATE INDEX idxpart1_2b_idx ON public.idxpart1 USING btree (((a + b))) WHERE (a > 1) - idxpart1_2c_idx | | CREATE INDEX idxpart1_2c_idx ON public.idxpart1 USING btree (((b + a))) WHERE (b > 1) - idxpart_1_idx | | CREATE INDEX idxpart_1_idx ON ONLY public.idxpart USING btree (b, a) - idxpart_2_idx | | CREATE INDEX idxpart_2_idx ON ONLY public.idxpart USING btree (((b + a))) WHERE (a > 1) -(7 rows) - -drop table idxpart; --- Make sure the partition columns are mapped correctly -create table idxpart (a int, b int, c text) partition by range (a); -create index idxparti on idxpart (a); -create index idxparti2 on idxpart (c, b); -create table idxpart1 (c text, a int, b int); -alter table idxpart attach partition idxpart1 for values from (0) to (10); -create table idxpart2 (c text, a int, b int); -create index on idxpart2 (a); -create index on idxpart2 (c, b); -alter table idxpart attach partition idxpart2 for values from (10) to (20); -select c.relname, pg_get_indexdef(indexrelid) - from pg_class c join pg_index i on c.oid = i.indexrelid - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - relname | pg_get_indexdef -------------------+--------------------------------------------------------------------- - idxpart1_a_idx | CREATE INDEX idxpart1_a_idx ON public.idxpart1 USING btree (a) - idxpart1_c_b_idx | CREATE INDEX idxpart1_c_b_idx ON public.idxpart1 USING btree (c, b) - idxpart2_a_idx | CREATE INDEX idxpart2_a_idx ON public.idxpart2 USING btree (a) - idxpart2_c_b_idx | CREATE INDEX idxpart2_c_b_idx ON public.idxpart2 USING btree (c, b) - idxparti | CREATE INDEX idxparti ON ONLY public.idxpart USING btree (a) - idxparti2 | CREATE INDEX idxparti2 ON ONLY public.idxpart USING btree (c, b) -(6 rows) - -drop table idxpart; --- Verify that columns are mapped correctly in expression indexes -create table idxpart (col1 int, col2 int, a int, b int) partition by range (a); -create table idxpart1 (col2 int, b int, col1 int, a int); -create table idxpart2 (col1 int, col2 int, b int, a int); -alter table idxpart drop column col1, drop column col2; -alter table idxpart1 drop column col1, drop column col2; -alter table idxpart2 drop column col1, drop column col2; -create index on idxpart2 (abs(b)); -alter table idxpart attach partition idxpart2 for values from (0) to (1); -create index on idxpart (abs(b)); -create index on idxpart ((b + 1)); -alter table idxpart attach partition idxpart1 for values from (1) to (2); -select c.relname, pg_get_indexdef(indexrelid) - from pg_class c join pg_index i on c.oid = i.indexrelid - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - relname | pg_get_indexdef --------------------+------------------------------------------------------------------------------ - idxpart1_abs_idx | CREATE INDEX idxpart1_abs_idx ON public.idxpart1 USING btree (abs(b)) - idxpart1_expr_idx | CREATE INDEX idxpart1_expr_idx ON public.idxpart1 USING btree (((b + 1))) - idxpart2_abs_idx | CREATE INDEX idxpart2_abs_idx ON public.idxpart2 USING btree (abs(b)) - idxpart2_expr_idx | CREATE INDEX idxpart2_expr_idx ON public.idxpart2 USING btree (((b + 1))) - idxpart_abs_idx | CREATE INDEX idxpart_abs_idx ON ONLY public.idxpart USING btree (abs(b)) - idxpart_expr_idx | CREATE INDEX idxpart_expr_idx ON ONLY public.idxpart USING btree (((b + 1))) -(6 rows) - -drop table idxpart; --- Verify that columns are mapped correctly for WHERE in a partial index -create table idxpart (col1 int, a int, col3 int, b int) partition by range (a); -alter table idxpart drop column col1, drop column col3; -create table idxpart1 (col1 int, col2 int, col3 int, col4 int, b int, a int); -alter table idxpart1 drop column col1, drop column col2, drop column col3, drop column col4; -alter table idxpart attach partition idxpart1 for values from (0) to (1000); -create table idxpart2 (col1 int, col2 int, b int, a int); -create index on idxpart2 (a) where b > 1000; -alter table idxpart2 drop column col1, drop column col2; -alter table idxpart attach partition idxpart2 for values from (1000) to (2000); -create index on idxpart (a) where b > 1000; -select c.relname, pg_get_indexdef(indexrelid) - from pg_class c join pg_index i on c.oid = i.indexrelid - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - relname | pg_get_indexdef -----------------+------------------------------------------------------------------------------------ - idxpart1_a_idx | CREATE INDEX idxpart1_a_idx ON public.idxpart1 USING btree (a) WHERE (b > 1000) - idxpart2_a_idx | CREATE INDEX idxpart2_a_idx ON public.idxpart2 USING btree (a) WHERE (b > 1000) - idxpart_a_idx | CREATE INDEX idxpart_a_idx ON ONLY public.idxpart USING btree (a) WHERE (b > 1000) -(3 rows) - -drop table idxpart; --- Column number mapping: dropped columns in the partition -create table idxpart1 (drop_1 int, drop_2 int, col_keep int, drop_3 int); -alter table idxpart1 drop column drop_1; -alter table idxpart1 drop column drop_2; -alter table idxpart1 drop column drop_3; -create index on idxpart1 (col_keep); -create table idxpart (col_keep int) partition by range (col_keep); -create index on idxpart (col_keep); -alter table idxpart attach partition idxpart1 for values from (0) to (1000); -\d idxpart - Partitioned table "public.idxpart" - Column | Type | Collation | Nullable | Default -----------+---------+-----------+----------+--------- - col_keep | integer | | | -Partition key: RANGE (col_keep) -Indexes: - "idxpart_col_keep_idx" btree (col_keep) -Number of partitions: 1 (Use \d+ to list them.) - -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default -----------+---------+-----------+----------+--------- - col_keep | integer | | | -Partition of: idxpart FOR VALUES FROM (0) TO (1000) -Indexes: - "idxpart1_col_keep_idx" btree (col_keep) - -select attrelid::regclass, attname, attnum from pg_attribute - where attrelid::regclass::text like 'idxpart%' and attnum > 0 - order by attrelid::regclass, attnum; - attrelid | attname | attnum ------------------------+------------------------------+-------- - idxpart1 | ........pg.dropped.1........ | 1 - idxpart1 | ........pg.dropped.2........ | 2 - idxpart1 | col_keep | 3 - idxpart1 | ........pg.dropped.4........ | 4 - idxpart1_col_keep_idx | col_keep | 1 - idxpart | col_keep | 1 - idxpart_col_keep_idx | col_keep | 1 -(7 rows) - -drop table idxpart; --- Column number mapping: dropped columns in the parent table -create table idxpart(drop_1 int, drop_2 int, col_keep int, drop_3 int) partition by range (col_keep); -alter table idxpart drop column drop_1; -alter table idxpart drop column drop_2; -alter table idxpart drop column drop_3; -create table idxpart1 (col_keep int); -create index on idxpart1 (col_keep); -create index on idxpart (col_keep); -alter table idxpart attach partition idxpart1 for values from (0) to (1000); -\d idxpart - Partitioned table "public.idxpart" - Column | Type | Collation | Nullable | Default -----------+---------+-----------+----------+--------- - col_keep | integer | | | -Partition key: RANGE (col_keep) -Indexes: - "idxpart_col_keep_idx" btree (col_keep) -Number of partitions: 1 (Use \d+ to list them.) - -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default -----------+---------+-----------+----------+--------- - col_keep | integer | | | -Partition of: idxpart FOR VALUES FROM (0) TO (1000) -Indexes: - "idxpart1_col_keep_idx" btree (col_keep) - -select attrelid::regclass, attname, attnum from pg_attribute - where attrelid::regclass::text like 'idxpart%' and attnum > 0 - order by attrelid::regclass, attnum; - attrelid | attname | attnum ------------------------+------------------------------+-------- - idxpart | ........pg.dropped.1........ | 1 - idxpart | ........pg.dropped.2........ | 2 - idxpart | col_keep | 3 - idxpart | ........pg.dropped.4........ | 4 - idxpart1 | col_keep | 1 - idxpart1_col_keep_idx | col_keep | 1 - idxpart_col_keep_idx | col_keep | 1 -(7 rows) - -drop table idxpart; --- --- Constraint-related indexes --- --- Verify that it works to add primary key / unique to partitioned tables -create table idxpart (a int primary key, b int) partition by range (a); -\d idxpart - Partitioned table "public.idxpart" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | - b | integer | | | -Partition key: RANGE (a) -Indexes: - "idxpart_pkey" PRIMARY KEY, btree (a) -Number of partitions: 0 - --- multiple primary key on child should fail -create table failpart partition of idxpart (b primary key) for values from (0) to (100); -ERROR: multiple primary keys for table "failpart" are not allowed -drop table idxpart; --- primary key on child is okay if there's no PK in the parent, though -create table idxpart (a int) partition by range (a); -create table idxpart1pk partition of idxpart (a primary key) for values from (0) to (100); -\d idxpart1pk - Table "public.idxpart1pk" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | -Partition of: idxpart FOR VALUES FROM (0) TO (100) -Indexes: - "idxpart1pk_pkey" PRIMARY KEY, btree (a) - -drop table idxpart; --- Failing to use the full partition key is not allowed -create table idxpart (a int unique, b int) partition by range (a, b); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: UNIQUE constraint on table "idxpart" lacks column "b" which is part of the partition key. -create table idxpart (a int, b int unique) partition by range (a, b); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: UNIQUE constraint on table "idxpart" lacks column "a" which is part of the partition key. -create table idxpart (a int primary key, b int) partition by range (b, a); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: PRIMARY KEY constraint on table "idxpart" lacks column "b" which is part of the partition key. -create table idxpart (a int, b int primary key) partition by range (b, a); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: PRIMARY KEY constraint on table "idxpart" lacks column "a" which is part of the partition key. --- OK if you use them in some other order -create table idxpart (a int, b int, c text, primary key (a, b, c)) partition by range (b, c, a); -drop table idxpart; --- OK to add an exclusion constraint if partitioning by its equal column -create table idxpart (a int4range, exclude USING GIST (a with = )) partition by range (a); -drop table idxpart; --- OK more than one equal column -create table idxpart (a int4range, b int4range, exclude USING GIST (a with =, b with =)) partition by range (a, b); -drop table idxpart; --- OK with more than one equal column: constraint is a proper superset of partition key -create table idxpart (a int4range, b int4range, exclude USING GIST (a with =, b with =)) partition by range (a); -drop table idxpart; --- Not OK more than one equal column: partition keys are a proper superset of constraint -create table idxpart (a int4range, b int4range, exclude USING GIST (a with = )) partition by range (a, b); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: EXCLUDE constraint on table "idxpart" lacks column "b" which is part of the partition key. --- Not OK with just -|- -create table idxpart (a int4range, exclude USING GIST (a with -|- )) partition by range (a); -ERROR: cannot match partition key to index on column "a" using non-equal operator "-|-" --- OK with equals and &&, and equals is the partition key -create table idxpart (a int4range, b int4range, exclude USING GIST (a with =, b with &&)) partition by range (a); -drop table idxpart; --- Not OK with equals and &&, and equals is not the partition key -create table idxpart (a int4range, b int4range, c int4range, exclude USING GIST (b with =, c with &&)) partition by range (a); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: EXCLUDE constraint on table "idxpart" lacks column "a" which is part of the partition key. --- OK more than one equal column and a && column -create table idxpart (a int4range, b int4range, c int4range, exclude USING GIST (a with =, b with =, c with &&)) partition by range (a, b); -drop table idxpart; --- no expressions in partition key for PK/UNIQUE -create table idxpart (a int primary key, b int) partition by range ((b + a)); -ERROR: unsupported PRIMARY KEY constraint with partition key definition -DETAIL: PRIMARY KEY constraints cannot be used when partition keys include expressions. -create table idxpart (a int unique, b int) partition by range ((b + a)); -ERROR: unsupported UNIQUE constraint with partition key definition -DETAIL: UNIQUE constraints cannot be used when partition keys include expressions. --- use ALTER TABLE to add a primary key -create table idxpart (a int, b int, c text) partition by range (a, b); -alter table idxpart add primary key (a); -- not an incomplete one though -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: PRIMARY KEY constraint on table "idxpart" lacks column "b" which is part of the partition key. -alter table idxpart add primary key (a, b); -- this works -\d idxpart - Partitioned table "public.idxpart" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | - b | integer | | not null | - c | text | | | -Partition key: RANGE (a, b) -Indexes: - "idxpart_pkey" PRIMARY KEY, btree (a, b) -Number of partitions: 0 - -create table idxpart1 partition of idxpart for values from (0, 0) to (1000, 1000); -\d idxpart1 - Table "public.idxpart1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | not null | - b | integer | | not null | - c | text | | | -Partition of: idxpart FOR VALUES FROM (0, 0) TO (1000, 1000) -Indexes: - "idxpart1_pkey" PRIMARY KEY, btree (a, b) - -drop table idxpart; --- use ALTER TABLE to add a unique constraint -create table idxpart (a int, b int) partition by range (a, b); -alter table idxpart add unique (a); -- not an incomplete one though -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: UNIQUE constraint on table "idxpart" lacks column "b" which is part of the partition key. -alter table idxpart add unique (b, a); -- this works -\d idxpart - Partitioned table "public.idxpart" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition key: RANGE (a, b) -Indexes: - "idxpart_b_a_key" UNIQUE CONSTRAINT, btree (b, a) -Number of partitions: 0 - -drop table idxpart; --- Exclusion constraints can be added if partitioning by their equal column -create table idxpart (a int4range, b int4range) partition by range (a); -alter table idxpart add exclude USING GIST (a with =); -drop table idxpart; --- OK more than one equal column -create table idxpart (a int4range, b int4range) partition by range (a, b); -alter table idxpart add exclude USING GIST (a with =, b with =); -drop table idxpart; --- OK with more than one equal column: constraint is a proper superset of partition key -create table idxpart (a int4range, b int4range) partition by range (a); -alter table idxpart add exclude USING GIST (a with =, b with =); -drop table idxpart; --- Not OK more than one equal column: partition keys are a proper superset of constraint -create table idxpart (a int4range, b int4range) partition by range (a, b); -alter table idxpart add exclude USING GIST (a with =); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: EXCLUDE constraint on table "idxpart" lacks column "b" which is part of the partition key. -drop table idxpart; --- Not OK with just -|- -create table idxpart (a int4range, b int4range) partition by range (a, b); -alter table idxpart add exclude USING GIST (a with -|-); -ERROR: cannot match partition key to index on column "a" using non-equal operator "-|-" -drop table idxpart; --- OK with equals and &&, and equals is the partition key -create table idxpart (a int4range, b int4range) partition by range (a); -alter table idxpart add exclude USING GIST (a with =, b with &&); -drop table idxpart; --- Not OK with equals and &&, and equals is not the partition key -create table idxpart (a int4range, b int4range, c int4range) partition by range (a); -alter table idxpart add exclude USING GIST (b with =, c with &&); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: EXCLUDE constraint on table "idxpart" lacks column "a" which is part of the partition key. -drop table idxpart; --- OK more than one equal column and a && column -create table idxpart (a int4range, b int4range, c int4range) partition by range (a, b); -alter table idxpart add exclude USING GIST (a with =, b with =, c with &&); -drop table idxpart; --- When (sub)partitions are created, they also contain the constraint -create table idxpart (a int, b int, primary key (a, b)) partition by range (a, b); -create table idxpart1 partition of idxpart for values from (1, 1) to (10, 10); -create table idxpart2 partition of idxpart for values from (10, 10) to (20, 20) - partition by range (b); -create table idxpart21 partition of idxpart2 for values from (10) to (15); -create table idxpart22 partition of idxpart2 for values from (15) to (20); -create table idxpart3 (b int not null, a int not null); -alter table idxpart attach partition idxpart3 for values from (20, 20) to (30, 30); -select conname, contype, conrelid::regclass, conindid::regclass, conkey - from pg_constraint where conrelid::regclass::text like 'idxpart%' - order by conrelid::regclass::text, conname; - conname | contype | conrelid | conindid | conkey ----------------------+---------+-----------+----------------+-------- - idxpart_a_not_null | n | idxpart | - | {1} - idxpart_b_not_null | n | idxpart | - | {2} - idxpart_pkey | p | idxpart | idxpart_pkey | {1,2} - idxpart1_pkey | p | idxpart1 | idxpart1_pkey | {1,2} - idxpart_a_not_null | n | idxpart1 | - | {1} - idxpart_b_not_null | n | idxpart1 | - | {2} - idxpart2_pkey | p | idxpart2 | idxpart2_pkey | {1,2} - idxpart_a_not_null | n | idxpart2 | - | {1} - idxpart_b_not_null | n | idxpart2 | - | {2} - idxpart21_pkey | p | idxpart21 | idxpart21_pkey | {1,2} - idxpart_a_not_null | n | idxpart21 | - | {1} - idxpart_b_not_null | n | idxpart21 | - | {2} - idxpart22_pkey | p | idxpart22 | idxpart22_pkey | {1,2} - idxpart_a_not_null | n | idxpart22 | - | {1} - idxpart_b_not_null | n | idxpart22 | - | {2} - idxpart3_a_not_null | n | idxpart3 | - | {2} - idxpart3_b_not_null | n | idxpart3 | - | {1} - idxpart3_pkey | p | idxpart3 | idxpart3_pkey | {2,1} -(18 rows) - -drop table idxpart; --- Verify that multi-layer partitioning honors the requirement that all --- columns in the partition key must appear in primary/unique key -create table idxpart (a int, b int, primary key (a)) partition by range (a); -create table idxpart2 partition of idxpart -for values from (0) to (1000) partition by range (b); -- fail -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: PRIMARY KEY constraint on table "idxpart2" lacks column "b" which is part of the partition key. -drop table idxpart; --- Ditto for the ATTACH PARTITION case -create table idxpart (a int unique, b int) partition by range (a); -create table idxpart1 (a int not null, b int, unique (a, b)) - partition by range (a, b); -alter table idxpart attach partition idxpart1 for values from (1) to (1000); -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: UNIQUE constraint on table "idxpart1" lacks column "b" which is part of the partition key. -DROP TABLE idxpart, idxpart1; --- Multi-layer partitioning works correctly in this case: -create table idxpart (a int, b int, primary key (a, b)) partition by range (a); -create table idxpart2 partition of idxpart for values from (0) to (1000) partition by range (b); -create table idxpart21 partition of idxpart2 for values from (0) to (1000); -select conname, contype, conrelid::regclass, conindid::regclass, conkey - from pg_constraint where conrelid::regclass::text like 'idxpart%' - order by conrelid::regclass::text, conname; - conname | contype | conrelid | conindid | conkey ---------------------+---------+-----------+----------------+-------- - idxpart_a_not_null | n | idxpart | - | {1} - idxpart_b_not_null | n | idxpart | - | {2} - idxpart_pkey | p | idxpart | idxpart_pkey | {1,2} - idxpart2_pkey | p | idxpart2 | idxpart2_pkey | {1,2} - idxpart_a_not_null | n | idxpart2 | - | {1} - idxpart_b_not_null | n | idxpart2 | - | {2} - idxpart21_pkey | p | idxpart21 | idxpart21_pkey | {1,2} - idxpart_a_not_null | n | idxpart21 | - | {1} - idxpart_b_not_null | n | idxpart21 | - | {2} -(9 rows) - -drop table idxpart; --- If a partitioned table has a unique/PK constraint, then it's not possible --- to drop the corresponding constraint in the children; nor it's possible --- to drop the indexes individually. Dropping the constraint in the parent --- gets rid of the lot. -create table idxpart (i int) partition by hash (i); -create table idxpart0 partition of idxpart (i) for values with (modulus 2, remainder 0); -create table idxpart1 partition of idxpart (i) for values with (modulus 2, remainder 1); -alter table idxpart0 add primary key(i); -alter table idxpart add primary key(i); -select indrelid::regclass, indexrelid::regclass, inhparent::regclass, indisvalid, - conname, conislocal, coninhcount, connoinherit, convalidated - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) - left join pg_constraint con on (idx.indexrelid = con.conindid) - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indrelid | indexrelid | inhparent | indisvalid | conname | conislocal | coninhcount | connoinherit | convalidated -----------+---------------+--------------+------------+---------------+------------+-------------+--------------+-------------- - idxpart0 | idxpart0_pkey | idxpart_pkey | t | idxpart0_pkey | f | 1 | t | t - idxpart1 | idxpart1_pkey | idxpart_pkey | t | idxpart1_pkey | f | 1 | f | t - idxpart | idxpart_pkey | | t | idxpart_pkey | t | 0 | t | t -(3 rows) - -drop index idxpart0_pkey; -- fail -ERROR: cannot drop index idxpart0_pkey because index idxpart_pkey requires it -HINT: You can drop index idxpart_pkey instead. -drop index idxpart1_pkey; -- fail -ERROR: cannot drop index idxpart1_pkey because index idxpart_pkey requires it -HINT: You can drop index idxpart_pkey instead. -alter table idxpart0 drop constraint idxpart0_pkey; -- fail -ERROR: cannot drop inherited constraint "idxpart0_pkey" of relation "idxpart0" -alter table idxpart1 drop constraint idxpart1_pkey; -- fail -ERROR: cannot drop inherited constraint "idxpart1_pkey" of relation "idxpart1" -alter table idxpart drop constraint idxpart_pkey; -- ok -select indrelid::regclass, indexrelid::regclass, inhparent::regclass, indisvalid, - conname, conislocal, coninhcount, connoinherit, convalidated - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) - left join pg_constraint con on (idx.indexrelid = con.conindid) - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indrelid | indexrelid | inhparent | indisvalid | conname | conislocal | coninhcount | connoinherit | convalidated -----------+------------+-----------+------------+---------+------------+-------------+--------------+-------------- -(0 rows) - -drop table idxpart; --- If the partition to be attached already has a primary key, fail if --- it doesn't match the parent's PK. -CREATE TABLE idxpart (c1 INT PRIMARY KEY, c2 INT, c3 VARCHAR(10)) PARTITION BY RANGE(c1); -CREATE TABLE idxpart1 (LIKE idxpart); -ALTER TABLE idxpart1 ADD PRIMARY KEY (c1, c2); -ALTER TABLE idxpart ATTACH PARTITION idxpart1 FOR VALUES FROM (100) TO (200); -ERROR: multiple primary keys for table "idxpart1" are not allowed -DROP TABLE idxpart, idxpart1; --- Ditto if there is some distance between the PKs (subpartitioning) -create table idxpart (a int, b int, primary key (a)) partition by range (a); -create table idxpart1 (a int not null, b int) partition by range (a); -create table idxpart11 (a int not null, b int primary key); -alter table idxpart1 attach partition idxpart11 for values from (0) to (1000); -alter table idxpart attach partition idxpart1 for values from (0) to (10000); -ERROR: multiple primary keys for table "idxpart11" are not allowed -drop table idxpart, idxpart1, idxpart11; --- If a partitioned table has a constraint whose index is not valid, --- attaching a missing partition makes it valid. -create table idxpart (a int) partition by range (a); -create table idxpart0 (like idxpart); -alter table idxpart0 add primary key (a); -alter table idxpart attach partition idxpart0 for values from (0) to (1000); -alter table only idxpart add primary key (a); -select indrelid::regclass, indexrelid::regclass, inhparent::regclass, indisvalid, - conname, conislocal, coninhcount, connoinherit, convalidated - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) - left join pg_constraint con on (idx.indexrelid = con.conindid) - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indrelid | indexrelid | inhparent | indisvalid | conname | conislocal | coninhcount | connoinherit | convalidated -----------+---------------+-----------+------------+---------------+------------+-------------+--------------+-------------- - idxpart0 | idxpart0_pkey | | t | idxpart0_pkey | t | 0 | t | t - idxpart | idxpart_pkey | | f | idxpart_pkey | t | 0 | t | t -(2 rows) - -alter index idxpart_pkey attach partition idxpart0_pkey; -select indrelid::regclass, indexrelid::regclass, inhparent::regclass, indisvalid, - conname, conislocal, coninhcount, connoinherit, convalidated - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) - left join pg_constraint con on (idx.indexrelid = con.conindid) - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indrelid | indexrelid | inhparent | indisvalid | conname | conislocal | coninhcount | connoinherit | convalidated -----------+---------------+--------------+------------+---------------+------------+-------------+--------------+-------------- - idxpart0 | idxpart0_pkey | idxpart_pkey | t | idxpart0_pkey | f | 1 | t | t - idxpart | idxpart_pkey | | t | idxpart_pkey | t | 0 | t | t -(2 rows) - -drop table idxpart; --- Related to the above scenario: ADD PRIMARY KEY on the parent mustn't --- automatically propagate NOT NULL to child columns. -create table idxpart (a int) partition by range (a); -create table idxpart0 (like idxpart); -alter table idxpart0 add unique (a); -alter table idxpart attach partition idxpart0 default; -alter table only idxpart add primary key (a); -- fail, no not-null constraint -ERROR: column "a" of table "idxpart0" is not marked NOT NULL -alter table idxpart0 alter column a set not null; -alter table only idxpart add primary key (a); -- now it works -alter index idxpart_pkey attach partition idxpart0_a_key; -drop table idxpart; --- if a partition has a unique index without a constraint, does not attach --- automatically; creates a new index instead. -create table idxpart (a int, b int) partition by range (a); -create table idxpart1 (a int not null, b int); -create unique index on idxpart1 (a); -alter table idxpart add primary key (a); -alter table idxpart attach partition idxpart1 for values from (1) to (1000); -select indrelid::regclass, indexrelid::regclass, inhparent::regclass, indisvalid, - conname, conislocal, coninhcount, connoinherit, convalidated - from pg_index idx left join pg_inherits inh on (idx.indexrelid = inh.inhrelid) - left join pg_constraint con on (idx.indexrelid = con.conindid) - where indrelid::regclass::text like 'idxpart%' - order by indexrelid::regclass::text collate "C"; - indrelid | indexrelid | inhparent | indisvalid | conname | conislocal | coninhcount | connoinherit | convalidated -----------+----------------+--------------+------------+---------------+------------+-------------+--------------+-------------- - idxpart1 | idxpart1_a_idx | | t | | | | | - idxpart1 | idxpart1_pkey | idxpart_pkey | t | idxpart1_pkey | f | 1 | f | t - idxpart | idxpart_pkey | | t | idxpart_pkey | t | 0 | t | t -(3 rows) - -drop table idxpart; --- Can't attach an index without a corresponding constraint -create table idxpart (a int, b int) partition by range (a); -create table idxpart1 (a int not null, b int); -create unique index on idxpart1 (a); -alter table idxpart attach partition idxpart1 for values from (1) to (1000); -alter table only idxpart add primary key (a); -alter index idxpart_pkey attach partition idxpart1_a_idx; -- fail -ERROR: cannot attach index "idxpart1_a_idx" as a partition of index "idxpart_pkey" -DETAIL: The index "idxpart_pkey" belongs to a constraint in table "idxpart" but no constraint exists for index "idxpart1_a_idx". -drop table idxpart; --- Test that unique constraints are working -create table idxpart (a int, b text, primary key (a, b)) partition by range (a); -create table idxpart1 partition of idxpart for values from (0) to (100000); -create table idxpart2 (c int, like idxpart); -insert into idxpart2 (c, a, b) values (42, 572814, 'inserted first'); -alter table idxpart2 drop column c; -create unique index on idxpart (a); -alter table idxpart attach partition idxpart2 for values from (100000) to (1000000); -insert into idxpart values (0, 'zero'), (42, 'life'), (2^16, 'sixteen'); -insert into idxpart select 2^g, format('two to power of %s', g) from generate_series(15, 17) g; -ERROR: duplicate key value violates unique constraint "idxpart1_a_idx" -DETAIL: Key (a)=(65536) already exists. -insert into idxpart values (16, 'sixteen'); -insert into idxpart (b, a) values ('one', 142857), ('two', 285714); -insert into idxpart select a * 2, b || b from idxpart where a between 2^16 and 2^19; -ERROR: duplicate key value violates unique constraint "idxpart2_a_idx" -DETAIL: Key (a)=(285714) already exists. -insert into idxpart values (572814, 'five'); -ERROR: duplicate key value violates unique constraint "idxpart2_a_idx" -DETAIL: Key (a)=(572814) already exists. -insert into idxpart values (857142, 'six'); -select tableoid::regclass, * from idxpart order by a; - tableoid | a | b -----------+--------+---------------- - idxpart1 | 0 | zero - idxpart1 | 16 | sixteen - idxpart1 | 42 | life - idxpart1 | 65536 | sixteen - idxpart2 | 142857 | one - idxpart2 | 285714 | two - idxpart2 | 572814 | inserted first - idxpart2 | 857142 | six -(8 rows) - -drop table idxpart; --- Test some other non-btree index types -create table idxpart (a int, b text, c int[]) partition by range (a); -create table idxpart1 partition of idxpart for values from (0) to (100000); -set enable_seqscan to off; -create index idxpart_brin on idxpart using brin(b); -explain (costs off) select * from idxpart where b = 'abcd'; - QUERY PLAN -------------------------------------------- - Bitmap Heap Scan on idxpart1 idxpart - Recheck Cond: (b = 'abcd'::text) - -> Bitmap Index Scan on idxpart1_b_idx - Index Cond: (b = 'abcd'::text) -(4 rows) - -drop index idxpart_brin; -create index idxpart_spgist on idxpart using spgist(b); -explain (costs off) select * from idxpart where b = 'abcd'; - QUERY PLAN -------------------------------------------- - Bitmap Heap Scan on idxpart1 idxpart - Recheck Cond: (b = 'abcd'::text) - -> Bitmap Index Scan on idxpart1_b_idx - Index Cond: (b = 'abcd'::text) -(4 rows) - -drop index idxpart_spgist; -create index idxpart_gin on idxpart using gin(c); -explain (costs off) select * from idxpart where c @> array[42]; - QUERY PLAN ----------------------------------------------- - Bitmap Heap Scan on idxpart1 idxpart - Recheck Cond: (c @> '{42}'::integer[]) - -> Bitmap Index Scan on idxpart1_c_idx - Index Cond: (c @> '{42}'::integer[]) -(4 rows) - -drop index idxpart_gin; -reset enable_seqscan; -drop table idxpart; --- intentionally leave some objects around -create table idxpart (a int) partition by range (a); -create table idxpart1 partition of idxpart for values from (0) to (100); -create table idxpart2 partition of idxpart for values from (100) to (1000) - partition by range (a); -create table idxpart21 partition of idxpart2 for values from (100) to (200); -create table idxpart22 partition of idxpart2 for values from (200) to (300); -create index on idxpart22 (a); -create index on only idxpart2 (a); -alter index idxpart2_a_idx attach partition idxpart22_a_idx; -create index on idxpart (a); -create table idxpart_another (a int, b int, primary key (a, b)) partition by range (a); -create table idxpart_another_1 partition of idxpart_another for values from (0) to (100); -create table idxpart3 (c int, b int, a int) partition by range (a); -alter table idxpart3 drop column b, drop column c; -create table idxpart31 partition of idxpart3 for values from (1000) to (1200); -create table idxpart32 partition of idxpart3 for values from (1200) to (1400); -alter table idxpart attach partition idxpart3 for values from (1000) to (2000); --- More objects intentionally left behind, to verify some pg_dump/pg_upgrade --- behavior; see https://postgr.es/m/20190321204928.GA17535@alvherre.pgsql -create schema regress_indexing; -set search_path to regress_indexing; -create table pk (a int primary key) partition by range (a); -create table pk1 partition of pk for values from (0) to (1000); -create table pk2 (b int, a int); -alter table pk2 drop column b; -alter table pk2 alter a set not null; -alter table pk attach partition pk2 for values from (1000) to (2000); -create table pk3 partition of pk for values from (2000) to (3000); -create table pk4 (like pk); -alter table pk attach partition pk4 for values from (3000) to (4000); -create table pk5 (like pk) partition by range (a); -create table pk51 partition of pk5 for values from (4000) to (4500); -create table pk52 partition of pk5 for values from (4500) to (5000); -alter table pk attach partition pk5 for values from (4000) to (5000); -reset search_path; --- Test that covering partitioned indexes work in various cases -create table covidxpart (a int, b int) partition by list (a); -create unique index on covidxpart (a) include (b); -create table covidxpart1 partition of covidxpart for values in (1); -create table covidxpart2 partition of covidxpart for values in (2); -insert into covidxpart values (1, 1); -insert into covidxpart values (1, 1); -ERROR: duplicate key value violates unique constraint "covidxpart1_a_b_idx" -DETAIL: Key (a)=(1) already exists. -create table covidxpart3 (b int, c int, a int); -alter table covidxpart3 drop c; -alter table covidxpart attach partition covidxpart3 for values in (3); -insert into covidxpart values (3, 1); -insert into covidxpart values (3, 1); -ERROR: duplicate key value violates unique constraint "covidxpart3_a_b_idx" -DETAIL: Key (a)=(3) already exists. -create table covidxpart4 (b int, a int); -create unique index on covidxpart4 (a) include (b); -create unique index on covidxpart4 (a); -alter table covidxpart attach partition covidxpart4 for values in (4); -insert into covidxpart values (4, 1); -insert into covidxpart values (4, 1); -ERROR: duplicate key value violates unique constraint "covidxpart4_a_b_idx" -DETAIL: Key (a)=(4) already exists. -create unique index on covidxpart (b) include (a); -- should fail -ERROR: unique constraint on partitioned table must include all partitioning columns -DETAIL: UNIQUE constraint on table "covidxpart" lacks column "a" which is part of the partition key. --- check that detaching a partition also detaches the primary key constraint -create table parted_pk_detach_test (a int primary key) partition by list (a); -create table parted_pk_detach_test1 partition of parted_pk_detach_test for values in (1); -alter table parted_pk_detach_test1 drop constraint parted_pk_detach_test1_pkey; -- should fail -ERROR: cannot drop inherited constraint "parted_pk_detach_test1_pkey" of relation "parted_pk_detach_test1" -alter table parted_pk_detach_test detach partition parted_pk_detach_test1; -alter table parted_pk_detach_test1 drop constraint parted_pk_detach_test1_pkey; -drop table parted_pk_detach_test, parted_pk_detach_test1; -create table parted_uniq_detach_test (a int unique) partition by list (a); -create table parted_uniq_detach_test1 partition of parted_uniq_detach_test for values in (1); -alter table parted_uniq_detach_test1 drop constraint parted_uniq_detach_test1_a_key; -- should fail -ERROR: cannot drop inherited constraint "parted_uniq_detach_test1_a_key" of relation "parted_uniq_detach_test1" -alter table parted_uniq_detach_test detach partition parted_uniq_detach_test1; -alter table parted_uniq_detach_test1 drop constraint parted_uniq_detach_test1_a_key; -drop table parted_uniq_detach_test, parted_uniq_detach_test1; --- check that dropping a column takes with it any partitioned indexes --- depending on it. -create table parted_index_col_drop(a int, b int, c int) - partition by list (a); -create table parted_index_col_drop1 partition of parted_index_col_drop - for values in (1) partition by list (a); --- leave this partition without children. -create table parted_index_col_drop2 partition of parted_index_col_drop - for values in (2) partition by list (a); -create table parted_index_col_drop11 partition of parted_index_col_drop1 - for values in (1); -create index on parted_index_col_drop (b); -create index on parted_index_col_drop (c); -create index on parted_index_col_drop (b, c); -alter table parted_index_col_drop drop column c; -\d parted_index_col_drop - Partitioned table "public.parted_index_col_drop" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition key: LIST (a) -Indexes: - "parted_index_col_drop_b_idx" btree (b) -Number of partitions: 2 (Use \d+ to list them.) - -\d parted_index_col_drop1 - Partitioned table "public.parted_index_col_drop1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition of: parted_index_col_drop FOR VALUES IN (1) -Partition key: LIST (a) -Indexes: - "parted_index_col_drop1_b_idx" btree (b) -Number of partitions: 1 (Use \d+ to list them.) - -\d parted_index_col_drop2 - Partitioned table "public.parted_index_col_drop2" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition of: parted_index_col_drop FOR VALUES IN (2) -Partition key: LIST (a) -Indexes: - "parted_index_col_drop2_b_idx" btree (b) -Number of partitions: 0 - -\d parted_index_col_drop11 - Table "public.parted_index_col_drop11" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | - b | integer | | | -Partition of: parted_index_col_drop1 FOR VALUES IN (1) -Indexes: - "parted_index_col_drop11_b_idx" btree (b) - -drop table parted_index_col_drop; --- Check that invalid indexes are not selected when attaching a partition. -create table parted_inval_tab (a int) partition by range (a); -create index parted_inval_idx on parted_inval_tab (a); -create table parted_inval_tab_1 (a int) partition by range (a); -create table parted_inval_tab_1_1 partition of parted_inval_tab_1 - for values from (0) to (10); -create table parted_inval_tab_1_2 partition of parted_inval_tab_1 - for values from (10) to (20); --- this creates an invalid index. -create index parted_inval_ixd_1 on only parted_inval_tab_1 (a); --- this creates new indexes for all the partitions of parted_inval_tab_1, --- discarding the invalid index created previously as what is chosen. -alter table parted_inval_tab attach partition parted_inval_tab_1 - for values from (1) to (100); -select indexrelid::regclass, indisvalid, - indrelid::regclass, inhparent::regclass - from pg_index idx left join - pg_inherits inh on (idx.indexrelid = inh.inhrelid) - where indexrelid::regclass::text like 'parted_inval%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indisvalid | indrelid | inhparent -----------------------------+------------+----------------------+-------------------------- - parted_inval_idx | t | parted_inval_tab | - parted_inval_ixd_1 | f | parted_inval_tab_1 | - parted_inval_tab_1_1_a_idx | t | parted_inval_tab_1_1 | parted_inval_tab_1_a_idx - parted_inval_tab_1_2_a_idx | t | parted_inval_tab_1_2 | parted_inval_tab_1_a_idx - parted_inval_tab_1_a_idx | t | parted_inval_tab_1 | parted_inval_idx -(5 rows) - -drop table parted_inval_tab; --- Check setup of indisvalid across a complex partition tree on index --- creation. If one index in a partition index is invalid, so should its --- partitioned index. -create table parted_isvalid_tab (a int, b int) partition by range (a); -create table parted_isvalid_tab_1 partition of parted_isvalid_tab - for values from (1) to (10) partition by range (a); -create table parted_isvalid_tab_2 partition of parted_isvalid_tab - for values from (10) to (20) partition by range (a); -create table parted_isvalid_tab_11 partition of parted_isvalid_tab_1 - for values from (1) to (5); -create table parted_isvalid_tab_12 partition of parted_isvalid_tab_1 - for values from (5) to (10); --- create an invalid index on one of the partitions. -insert into parted_isvalid_tab_11 values (1, 0); -create index concurrently parted_isvalid_idx_11 on parted_isvalid_tab_11 ((a/b)); -ERROR: division by zero --- The previous invalid index is selected, invalidating all the indexes up to --- the top-most parent. -create index parted_isvalid_idx on parted_isvalid_tab ((a/b)); -select indexrelid::regclass, indisvalid, - indrelid::regclass, inhparent::regclass - from pg_index idx left join - pg_inherits inh on (idx.indexrelid = inh.inhrelid) - where indexrelid::regclass::text like 'parted_isvalid%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indisvalid | indrelid | inhparent ---------------------------------+------------+-----------------------+------------------------------- - parted_isvalid_idx | f | parted_isvalid_tab | - parted_isvalid_idx_11 | f | parted_isvalid_tab_11 | parted_isvalid_tab_1_expr_idx - parted_isvalid_tab_12_expr_idx | t | parted_isvalid_tab_12 | parted_isvalid_tab_1_expr_idx - parted_isvalid_tab_1_expr_idx | f | parted_isvalid_tab_1 | parted_isvalid_idx - parted_isvalid_tab_2_expr_idx | t | parted_isvalid_tab_2 | parted_isvalid_idx -(5 rows) - -drop table parted_isvalid_tab; --- Check state of replica indexes when attaching a partition. -begin; -create table parted_replica_tab (id int not null) partition by range (id); -create table parted_replica_tab_1 partition of parted_replica_tab - for values from (1) to (10) partition by range (id); -create table parted_replica_tab_11 partition of parted_replica_tab_1 - for values from (1) to (5); -create unique index parted_replica_idx - on only parted_replica_tab using btree (id); -create unique index parted_replica_idx_1 - on only parted_replica_tab_1 using btree (id); --- This triggers an update of pg_index.indisreplident for parted_replica_idx. -alter table only parted_replica_tab_1 replica identity - using index parted_replica_idx_1; -create unique index parted_replica_idx_11 on parted_replica_tab_11 USING btree (id); -select indexrelid::regclass, indisvalid, indisreplident, - indrelid::regclass, inhparent::regclass - from pg_index idx left join - pg_inherits inh on (idx.indexrelid = inh.inhrelid) - where indexrelid::regclass::text like 'parted_replica%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indisvalid | indisreplident | indrelid | inhparent ------------------------+------------+----------------+-----------------------+----------- - parted_replica_idx | f | f | parted_replica_tab | - parted_replica_idx_1 | f | t | parted_replica_tab_1 | - parted_replica_idx_11 | t | f | parted_replica_tab_11 | -(3 rows) - --- parted_replica_idx is not valid yet here, because parted_replica_idx_1 --- is not valid. -alter index parted_replica_idx ATTACH PARTITION parted_replica_idx_1; -select indexrelid::regclass, indisvalid, indisreplident, - indrelid::regclass, inhparent::regclass - from pg_index idx left join - pg_inherits inh on (idx.indexrelid = inh.inhrelid) - where indexrelid::regclass::text like 'parted_replica%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indisvalid | indisreplident | indrelid | inhparent ------------------------+------------+----------------+-----------------------+-------------------- - parted_replica_idx | f | f | parted_replica_tab | - parted_replica_idx_1 | f | t | parted_replica_tab_1 | parted_replica_idx - parted_replica_idx_11 | t | f | parted_replica_tab_11 | -(3 rows) - --- parted_replica_idx becomes valid here. -alter index parted_replica_idx_1 ATTACH PARTITION parted_replica_idx_11; -alter table only parted_replica_tab_1 replica identity - using index parted_replica_idx_1; -commit; -select indexrelid::regclass, indisvalid, indisreplident, - indrelid::regclass, inhparent::regclass - from pg_index idx left join - pg_inherits inh on (idx.indexrelid = inh.inhrelid) - where indexrelid::regclass::text like 'parted_replica%' - order by indexrelid::regclass::text collate "C"; - indexrelid | indisvalid | indisreplident | indrelid | inhparent ------------------------+------------+----------------+-----------------------+---------------------- - parted_replica_idx | t | f | parted_replica_tab | - parted_replica_idx_1 | t | t | parted_replica_tab_1 | parted_replica_idx - parted_replica_idx_11 | t | f | parted_replica_tab_11 | parted_replica_idx_1 -(3 rows) - -drop table parted_replica_tab; --- test that indexing commands work with TOASTed values in pg_index -create table test_pg_index_toast_table (a int); -create or replace function test_pg_index_toast_func (a int, b int[]) - returns bool as $$ select true $$ language sql immutable; -select array_agg(n) b from generate_series(1, 10000) n \gset -create index concurrently test_pg_index_toast_index - on test_pg_index_toast_table (test_pg_index_toast_func(a, :'b')); -reindex index concurrently test_pg_index_toast_index; -drop index concurrently test_pg_index_toast_index; -create index test_pg_index_toast_index - on test_pg_index_toast_table (test_pg_index_toast_func(a, :'b')); -reindex index test_pg_index_toast_index; -drop index test_pg_index_toast_index; -drop function test_pg_index_toast_func; -drop table test_pg_index_toast_table; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/partition_aggregate.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_aggregate.out --- /tmp/cirrus-ci-build/src/test/regress/expected/partition_aggregate.out 2025-06-04 16:00:28.768730000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_aggregate.out 2025-06-04 16:05:11.682133000 +0000 @@ -1,1520 +1,2 @@ --- --- PARTITION_AGGREGATE --- Test partitionwise aggregation on partitioned tables --- --- Note: to ensure plan stability, it's a good idea to make the partitions of --- any one partitioned table in this test all have different numbers of rows. --- --- Enable partitionwise aggregate, which by default is disabled. -SET enable_partitionwise_aggregate TO true; --- Enable partitionwise join, which by default is disabled. -SET enable_partitionwise_join TO true; --- Disable parallel plans. -SET max_parallel_workers_per_gather TO 0; --- Disable incremental sort, which can influence selected plans due to fuzz factor. -SET enable_incremental_sort TO off; --- --- Tests for list partitioned tables. --- -CREATE TABLE pagg_tab (a int, b int, c text, d int) PARTITION BY LIST(c); -CREATE TABLE pagg_tab_p1 PARTITION OF pagg_tab FOR VALUES IN ('0000', '0001', '0002', '0003', '0004'); -CREATE TABLE pagg_tab_p2 PARTITION OF pagg_tab FOR VALUES IN ('0005', '0006', '0007', '0008'); -CREATE TABLE pagg_tab_p3 PARTITION OF pagg_tab FOR VALUES IN ('0009', '0010', '0011'); -INSERT INTO pagg_tab SELECT i % 20, i % 30, to_char(i % 12, 'FM0000'), i % 30 FROM generate_series(0, 2999) i; -ANALYZE pagg_tab; --- When GROUP BY clause matches; full aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT c, sum(a), avg(b), count(*), min(a), max(b) FROM pagg_tab GROUP BY c HAVING avg(d) < 15 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------- - Sort - Sort Key: pagg_tab.c, (sum(pagg_tab.a)), (avg(pagg_tab.b)) - -> Append - -> HashAggregate - Group Key: pagg_tab.c - Filter: (avg(pagg_tab.d) < '15'::numeric) - -> Seq Scan on pagg_tab_p1 pagg_tab - -> HashAggregate - Group Key: pagg_tab_1.c - Filter: (avg(pagg_tab_1.d) < '15'::numeric) - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> HashAggregate - Group Key: pagg_tab_2.c - Filter: (avg(pagg_tab_2.d) < '15'::numeric) - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(15 rows) - -SELECT c, sum(a), avg(b), count(*), min(a), max(b) FROM pagg_tab GROUP BY c HAVING avg(d) < 15 ORDER BY 1, 2, 3; - c | sum | avg | count | min | max -------+------+---------------------+-------+-----+----- - 0000 | 2000 | 12.0000000000000000 | 250 | 0 | 24 - 0001 | 2250 | 13.0000000000000000 | 250 | 1 | 25 - 0002 | 2500 | 14.0000000000000000 | 250 | 2 | 26 - 0006 | 2500 | 12.0000000000000000 | 250 | 2 | 24 - 0007 | 2750 | 13.0000000000000000 | 250 | 3 | 25 - 0008 | 2000 | 14.0000000000000000 | 250 | 0 | 26 -(6 rows) - --- When GROUP BY clause does not match; partial aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT a, sum(b), avg(b), count(*), min(a), max(b) FROM pagg_tab GROUP BY a HAVING avg(d) < 15 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------- - Sort - Sort Key: pagg_tab.a, (sum(pagg_tab.b)), (avg(pagg_tab.b)) - -> Finalize HashAggregate - Group Key: pagg_tab.a - Filter: (avg(pagg_tab.d) < '15'::numeric) - -> Append - -> Partial HashAggregate - Group Key: pagg_tab.a - -> Seq Scan on pagg_tab_p1 pagg_tab - -> Partial HashAggregate - Group Key: pagg_tab_1.a - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> Partial HashAggregate - Group Key: pagg_tab_2.a - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(15 rows) - -SELECT a, sum(b), avg(b), count(*), min(a), max(b) FROM pagg_tab GROUP BY a HAVING avg(d) < 15 ORDER BY 1, 2, 3; - a | sum | avg | count | min | max -----+------+---------------------+-------+-----+----- - 0 | 1500 | 10.0000000000000000 | 150 | 0 | 20 - 1 | 1650 | 11.0000000000000000 | 150 | 1 | 21 - 2 | 1800 | 12.0000000000000000 | 150 | 2 | 22 - 3 | 1950 | 13.0000000000000000 | 150 | 3 | 23 - 4 | 2100 | 14.0000000000000000 | 150 | 4 | 24 - 10 | 1500 | 10.0000000000000000 | 150 | 10 | 20 - 11 | 1650 | 11.0000000000000000 | 150 | 11 | 21 - 12 | 1800 | 12.0000000000000000 | 150 | 12 | 22 - 13 | 1950 | 13.0000000000000000 | 150 | 13 | 23 - 14 | 2100 | 14.0000000000000000 | 150 | 14 | 24 -(10 rows) - --- Check with multiple columns in GROUP BY -EXPLAIN (COSTS OFF) -SELECT a, c, count(*) FROM pagg_tab GROUP BY a, c; - QUERY PLAN ------------------------------------------------- - Append - -> HashAggregate - Group Key: pagg_tab.a, pagg_tab.c - -> Seq Scan on pagg_tab_p1 pagg_tab - -> HashAggregate - Group Key: pagg_tab_1.a, pagg_tab_1.c - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> HashAggregate - Group Key: pagg_tab_2.a, pagg_tab_2.c - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(10 rows) - --- Check with multiple columns in GROUP BY, order in GROUP BY is reversed -EXPLAIN (COSTS OFF) -SELECT a, c, count(*) FROM pagg_tab GROUP BY c, a; - QUERY PLAN ------------------------------------------------- - Append - -> HashAggregate - Group Key: pagg_tab.c, pagg_tab.a - -> Seq Scan on pagg_tab_p1 pagg_tab - -> HashAggregate - Group Key: pagg_tab_1.c, pagg_tab_1.a - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> HashAggregate - Group Key: pagg_tab_2.c, pagg_tab_2.a - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(10 rows) - --- Check with multiple columns in GROUP BY, order in target-list is reversed -EXPLAIN (COSTS OFF) -SELECT c, a, count(*) FROM pagg_tab GROUP BY a, c; - QUERY PLAN ------------------------------------------------- - Append - -> HashAggregate - Group Key: pagg_tab.a, pagg_tab.c - -> Seq Scan on pagg_tab_p1 pagg_tab - -> HashAggregate - Group Key: pagg_tab_1.a, pagg_tab_1.c - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> HashAggregate - Group Key: pagg_tab_2.a, pagg_tab_2.c - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(10 rows) - --- Test when input relation for grouping is dummy -EXPLAIN (COSTS OFF) -SELECT c, sum(a) FROM pagg_tab WHERE 1 = 2 GROUP BY c; - QUERY PLAN --------------------------------- - HashAggregate - Group Key: c - -> Result - One-Time Filter: false -(4 rows) - -SELECT c, sum(a) FROM pagg_tab WHERE 1 = 2 GROUP BY c; - c | sum ----+----- -(0 rows) - -EXPLAIN (COSTS OFF) -SELECT c, sum(a) FROM pagg_tab WHERE c = 'x' GROUP BY c; - QUERY PLAN --------------------------------- - GroupAggregate - -> Result - One-Time Filter: false -(3 rows) - -SELECT c, sum(a) FROM pagg_tab WHERE c = 'x' GROUP BY c; - c | sum ----+----- -(0 rows) - --- Test GroupAggregate paths by disabling hash aggregates. -SET enable_hashagg TO false; --- When GROUP BY clause matches full aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT c, sum(a), avg(b), count(*) FROM pagg_tab GROUP BY 1 HAVING avg(d) < 15 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------- - Sort - Sort Key: pagg_tab.c, (sum(pagg_tab.a)), (avg(pagg_tab.b)) - -> Append - -> GroupAggregate - Group Key: pagg_tab.c - Filter: (avg(pagg_tab.d) < '15'::numeric) - -> Sort - Sort Key: pagg_tab.c - -> Seq Scan on pagg_tab_p1 pagg_tab - -> GroupAggregate - Group Key: pagg_tab_1.c - Filter: (avg(pagg_tab_1.d) < '15'::numeric) - -> Sort - Sort Key: pagg_tab_1.c - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> GroupAggregate - Group Key: pagg_tab_2.c - Filter: (avg(pagg_tab_2.d) < '15'::numeric) - -> Sort - Sort Key: pagg_tab_2.c - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(21 rows) - -SELECT c, sum(a), avg(b), count(*) FROM pagg_tab GROUP BY 1 HAVING avg(d) < 15 ORDER BY 1, 2, 3; - c | sum | avg | count -------+------+---------------------+------- - 0000 | 2000 | 12.0000000000000000 | 250 - 0001 | 2250 | 13.0000000000000000 | 250 - 0002 | 2500 | 14.0000000000000000 | 250 - 0006 | 2500 | 12.0000000000000000 | 250 - 0007 | 2750 | 13.0000000000000000 | 250 - 0008 | 2000 | 14.0000000000000000 | 250 -(6 rows) - --- When GROUP BY clause does not match; partial aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT a, sum(b), avg(b), count(*) FROM pagg_tab GROUP BY 1 HAVING avg(d) < 15 ORDER BY 1, 2, 3; - QUERY PLAN ------------------------------------------------------------------- - Sort - Sort Key: pagg_tab.a, (sum(pagg_tab.b)), (avg(pagg_tab.b)) - -> Finalize GroupAggregate - Group Key: pagg_tab.a - Filter: (avg(pagg_tab.d) < '15'::numeric) - -> Merge Append - Sort Key: pagg_tab.a - -> Partial GroupAggregate - Group Key: pagg_tab.a - -> Sort - Sort Key: pagg_tab.a - -> Seq Scan on pagg_tab_p1 pagg_tab - -> Partial GroupAggregate - Group Key: pagg_tab_1.a - -> Sort - Sort Key: pagg_tab_1.a - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> Partial GroupAggregate - Group Key: pagg_tab_2.a - -> Sort - Sort Key: pagg_tab_2.a - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(22 rows) - -SELECT a, sum(b), avg(b), count(*) FROM pagg_tab GROUP BY 1 HAVING avg(d) < 15 ORDER BY 1, 2, 3; - a | sum | avg | count -----+------+---------------------+------- - 0 | 1500 | 10.0000000000000000 | 150 - 1 | 1650 | 11.0000000000000000 | 150 - 2 | 1800 | 12.0000000000000000 | 150 - 3 | 1950 | 13.0000000000000000 | 150 - 4 | 2100 | 14.0000000000000000 | 150 - 10 | 1500 | 10.0000000000000000 | 150 - 11 | 1650 | 11.0000000000000000 | 150 - 12 | 1800 | 12.0000000000000000 | 150 - 13 | 1950 | 13.0000000000000000 | 150 - 14 | 2100 | 14.0000000000000000 | 150 -(10 rows) - --- Test partitionwise grouping without any aggregates -EXPLAIN (COSTS OFF) -SELECT c FROM pagg_tab GROUP BY c ORDER BY 1; - QUERY PLAN ------------------------------------------------------- - Merge Append - Sort Key: pagg_tab.c - -> Group - Group Key: pagg_tab.c - -> Sort - Sort Key: pagg_tab.c - -> Seq Scan on pagg_tab_p1 pagg_tab - -> Group - Group Key: pagg_tab_1.c - -> Sort - Sort Key: pagg_tab_1.c - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> Group - Group Key: pagg_tab_2.c - -> Sort - Sort Key: pagg_tab_2.c - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(17 rows) - -SELECT c FROM pagg_tab GROUP BY c ORDER BY 1; - c ------- - 0000 - 0001 - 0002 - 0003 - 0004 - 0005 - 0006 - 0007 - 0008 - 0009 - 0010 - 0011 -(12 rows) - -EXPLAIN (COSTS OFF) -SELECT a FROM pagg_tab WHERE a < 3 GROUP BY a ORDER BY 1; - QUERY PLAN ------------------------------------------------------------- - Group - Group Key: pagg_tab.a - -> Merge Append - Sort Key: pagg_tab.a - -> Group - Group Key: pagg_tab.a - -> Sort - Sort Key: pagg_tab.a - -> Seq Scan on pagg_tab_p1 pagg_tab - Filter: (a < 3) - -> Group - Group Key: pagg_tab_1.a - -> Sort - Sort Key: pagg_tab_1.a - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - Filter: (a < 3) - -> Group - Group Key: pagg_tab_2.a - -> Sort - Sort Key: pagg_tab_2.a - -> Seq Scan on pagg_tab_p3 pagg_tab_2 - Filter: (a < 3) -(22 rows) - -SELECT a FROM pagg_tab WHERE a < 3 GROUP BY a ORDER BY 1; - a ---- - 0 - 1 - 2 -(3 rows) - -RESET enable_hashagg; --- ROLLUP, partitionwise aggregation does not apply -EXPLAIN (COSTS OFF) -SELECT c, sum(a) FROM pagg_tab GROUP BY rollup(c) ORDER BY 1, 2; - QUERY PLAN ------------------------------------------------------- - Sort - Sort Key: pagg_tab.c, (sum(pagg_tab.a)) - -> MixedAggregate - Hash Key: pagg_tab.c - Group Key: () - -> Append - -> Seq Scan on pagg_tab_p1 pagg_tab_1 - -> Seq Scan on pagg_tab_p2 pagg_tab_2 - -> Seq Scan on pagg_tab_p3 pagg_tab_3 -(9 rows) - --- ORDERED SET within the aggregate. --- Full aggregation; since all the rows that belong to the same group come --- from the same partition, having an ORDER BY within the aggregate doesn't --- make any difference. -EXPLAIN (COSTS OFF) -SELECT c, sum(b order by a) FROM pagg_tab GROUP BY c ORDER BY 1, 2; - QUERY PLAN ---------------------------------------------------------------- - Sort - Sort Key: pagg_tab.c, (sum(pagg_tab.b ORDER BY pagg_tab.a)) - -> Append - -> GroupAggregate - Group Key: pagg_tab.c - -> Sort - Sort Key: pagg_tab.c, pagg_tab.a - -> Seq Scan on pagg_tab_p1 pagg_tab - -> GroupAggregate - Group Key: pagg_tab_1.c - -> Sort - Sort Key: pagg_tab_1.c, pagg_tab_1.a - -> Seq Scan on pagg_tab_p2 pagg_tab_1 - -> GroupAggregate - Group Key: pagg_tab_2.c - -> Sort - Sort Key: pagg_tab_2.c, pagg_tab_2.a - -> Seq Scan on pagg_tab_p3 pagg_tab_2 -(18 rows) - --- Since GROUP BY clause does not match with PARTITION KEY; we need to do --- partial aggregation. However, ORDERED SET are not partial safe and thus --- partitionwise aggregation plan is not generated. -EXPLAIN (COSTS OFF) -SELECT a, sum(b order by a) FROM pagg_tab GROUP BY a ORDER BY 1, 2; - QUERY PLAN ---------------------------------------------------------------- - Sort - Sort Key: pagg_tab.a, (sum(pagg_tab.b ORDER BY pagg_tab.a)) - -> GroupAggregate - Group Key: pagg_tab.a - -> Sort - Sort Key: pagg_tab.a - -> Append - -> Seq Scan on pagg_tab_p1 pagg_tab_1 - -> Seq Scan on pagg_tab_p2 pagg_tab_2 - -> Seq Scan on pagg_tab_p3 pagg_tab_3 -(10 rows) - --- JOIN query -CREATE TABLE pagg_tab1(x int, y int) PARTITION BY RANGE(x); -CREATE TABLE pagg_tab1_p1 PARTITION OF pagg_tab1 FOR VALUES FROM (0) TO (10); -CREATE TABLE pagg_tab1_p2 PARTITION OF pagg_tab1 FOR VALUES FROM (10) TO (20); -CREATE TABLE pagg_tab1_p3 PARTITION OF pagg_tab1 FOR VALUES FROM (20) TO (30); -CREATE TABLE pagg_tab2(x int, y int) PARTITION BY RANGE(y); -CREATE TABLE pagg_tab2_p1 PARTITION OF pagg_tab2 FOR VALUES FROM (0) TO (10); -CREATE TABLE pagg_tab2_p2 PARTITION OF pagg_tab2 FOR VALUES FROM (10) TO (20); -CREATE TABLE pagg_tab2_p3 PARTITION OF pagg_tab2 FOR VALUES FROM (20) TO (30); -INSERT INTO pagg_tab1 SELECT i % 30, i % 20 FROM generate_series(0, 299, 2) i; -INSERT INTO pagg_tab2 SELECT i % 20, i % 30 FROM generate_series(0, 299, 3) i; -ANALYZE pagg_tab1; -ANALYZE pagg_tab2; --- When GROUP BY clause matches; full aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT t1.x, sum(t1.y), count(*) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.x ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------- - Sort - Sort Key: t1.x, (sum(t1.y)), (count(*)) - -> Append - -> HashAggregate - Group Key: t1.x - -> Hash Join - Hash Cond: (t1.x = t2.y) - -> Seq Scan on pagg_tab1_p1 t1 - -> Hash - -> Seq Scan on pagg_tab2_p1 t2 - -> HashAggregate - Group Key: t1_1.x - -> Hash Join - Hash Cond: (t1_1.x = t2_1.y) - -> Seq Scan on pagg_tab1_p2 t1_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 t2_1 - -> HashAggregate - Group Key: t1_2.x - -> Hash Join - Hash Cond: (t2_2.y = t1_2.x) - -> Seq Scan on pagg_tab2_p3 t2_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 t1_2 -(24 rows) - -SELECT t1.x, sum(t1.y), count(*) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.x ORDER BY 1, 2, 3; - x | sum | count -----+------+------- - 0 | 500 | 100 - 6 | 1100 | 100 - 12 | 700 | 100 - 18 | 1300 | 100 - 24 | 900 | 100 -(5 rows) - --- Check with whole-row reference; partitionwise aggregation does not apply -EXPLAIN (COSTS OFF) -SELECT t1.x, sum(t1.y), count(t1) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.x ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------- - Sort - Sort Key: t1.x, (sum(t1.y)), (count(((t1.*)::pagg_tab1))) - -> HashAggregate - Group Key: t1.x - -> Hash Join - Hash Cond: (t1.x = t2.y) - -> Append - -> Seq Scan on pagg_tab1_p1 t1_1 - -> Seq Scan on pagg_tab1_p2 t1_2 - -> Seq Scan on pagg_tab1_p3 t1_3 - -> Hash - -> Append - -> Seq Scan on pagg_tab2_p1 t2_1 - -> Seq Scan on pagg_tab2_p2 t2_2 - -> Seq Scan on pagg_tab2_p3 t2_3 -(15 rows) - -SELECT t1.x, sum(t1.y), count(t1) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.x ORDER BY 1, 2, 3; - x | sum | count -----+------+------- - 0 | 500 | 100 - 6 | 1100 | 100 - 12 | 700 | 100 - 18 | 1300 | 100 - 24 | 900 | 100 -(5 rows) - --- GROUP BY having other matching key -EXPLAIN (COSTS OFF) -SELECT t2.y, sum(t1.y), count(*) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t2.y ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------- - Sort - Sort Key: t2.y, (sum(t1.y)), (count(*)) - -> Append - -> HashAggregate - Group Key: t2.y - -> Hash Join - Hash Cond: (t1.x = t2.y) - -> Seq Scan on pagg_tab1_p1 t1 - -> Hash - -> Seq Scan on pagg_tab2_p1 t2 - -> HashAggregate - Group Key: t2_1.y - -> Hash Join - Hash Cond: (t1_1.x = t2_1.y) - -> Seq Scan on pagg_tab1_p2 t1_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 t2_1 - -> HashAggregate - Group Key: t2_2.y - -> Hash Join - Hash Cond: (t2_2.y = t1_2.x) - -> Seq Scan on pagg_tab2_p3 t2_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 t1_2 -(24 rows) - --- When GROUP BY clause does not match; partial aggregation is performed for each partition. --- Also test GroupAggregate paths by disabling hash aggregates. -SET enable_hashagg TO false; -EXPLAIN (COSTS OFF) -SELECT t1.y, sum(t1.x), count(*) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.y HAVING avg(t1.x) > 10 ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------------------- - Sort - Sort Key: t1.y, (sum(t1.x)), (count(*)) - -> Finalize GroupAggregate - Group Key: t1.y - Filter: (avg(t1.x) > '10'::numeric) - -> Merge Append - Sort Key: t1.y - -> Partial GroupAggregate - Group Key: t1.y - -> Sort - Sort Key: t1.y - -> Hash Join - Hash Cond: (t1.x = t2.y) - -> Seq Scan on pagg_tab1_p1 t1 - -> Hash - -> Seq Scan on pagg_tab2_p1 t2 - -> Partial GroupAggregate - Group Key: t1_1.y - -> Sort - Sort Key: t1_1.y - -> Hash Join - Hash Cond: (t1_1.x = t2_1.y) - -> Seq Scan on pagg_tab1_p2 t1_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 t2_1 - -> Partial GroupAggregate - Group Key: t1_2.y - -> Sort - Sort Key: t1_2.y - -> Hash Join - Hash Cond: (t2_2.y = t1_2.x) - -> Seq Scan on pagg_tab2_p3 t2_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 t1_2 -(34 rows) - -SELECT t1.y, sum(t1.x), count(*) FROM pagg_tab1 t1, pagg_tab2 t2 WHERE t1.x = t2.y GROUP BY t1.y HAVING avg(t1.x) > 10 ORDER BY 1, 2, 3; - y | sum | count -----+------+------- - 2 | 600 | 50 - 4 | 1200 | 50 - 8 | 900 | 50 - 12 | 600 | 50 - 14 | 1200 | 50 - 18 | 900 | 50 -(6 rows) - -RESET enable_hashagg; --- Check with LEFT/RIGHT/FULL OUTER JOINs which produces NULL values for --- aggregation --- LEFT JOIN, should produce partial partitionwise aggregation plan as --- GROUP BY is on nullable column -EXPLAIN (COSTS OFF) -SELECT b.y, sum(a.y) FROM pagg_tab1 a LEFT JOIN pagg_tab2 b ON a.x = b.y GROUP BY b.y ORDER BY 1 NULLS LAST; - QUERY PLAN ------------------------------------------------------------------- - Finalize GroupAggregate - Group Key: b.y - -> Sort - Sort Key: b.y - -> Append - -> Partial HashAggregate - Group Key: b.y - -> Hash Left Join - Hash Cond: (a.x = b.y) - -> Seq Scan on pagg_tab1_p1 a - -> Hash - -> Seq Scan on pagg_tab2_p1 b - -> Partial HashAggregate - Group Key: b_1.y - -> Hash Left Join - Hash Cond: (a_1.x = b_1.y) - -> Seq Scan on pagg_tab1_p2 a_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 b_1 - -> Partial HashAggregate - Group Key: b_2.y - -> Hash Right Join - Hash Cond: (b_2.y = a_2.x) - -> Seq Scan on pagg_tab2_p3 b_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 a_2 -(26 rows) - -SELECT b.y, sum(a.y) FROM pagg_tab1 a LEFT JOIN pagg_tab2 b ON a.x = b.y GROUP BY b.y ORDER BY 1 NULLS LAST; - y | sum -----+------ - 0 | 500 - 6 | 1100 - 12 | 700 - 18 | 1300 - 24 | 900 - | 900 -(6 rows) - --- RIGHT JOIN, should produce full partitionwise aggregation plan as --- GROUP BY is on non-nullable column -EXPLAIN (COSTS OFF) -SELECT b.y, sum(a.y) FROM pagg_tab1 a RIGHT JOIN pagg_tab2 b ON a.x = b.y GROUP BY b.y ORDER BY 1 NULLS LAST; - QUERY PLAN ------------------------------------------------------------- - Sort - Sort Key: b.y - -> Append - -> HashAggregate - Group Key: b.y - -> Hash Right Join - Hash Cond: (a.x = b.y) - -> Seq Scan on pagg_tab1_p1 a - -> Hash - -> Seq Scan on pagg_tab2_p1 b - -> HashAggregate - Group Key: b_1.y - -> Hash Right Join - Hash Cond: (a_1.x = b_1.y) - -> Seq Scan on pagg_tab1_p2 a_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 b_1 - -> HashAggregate - Group Key: b_2.y - -> Hash Left Join - Hash Cond: (b_2.y = a_2.x) - -> Seq Scan on pagg_tab2_p3 b_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 a_2 -(24 rows) - -SELECT b.y, sum(a.y) FROM pagg_tab1 a RIGHT JOIN pagg_tab2 b ON a.x = b.y GROUP BY b.y ORDER BY 1 NULLS LAST; - y | sum -----+------ - 0 | 500 - 3 | - 6 | 1100 - 9 | - 12 | 700 - 15 | - 18 | 1300 - 21 | - 24 | 900 - 27 | -(10 rows) - --- FULL JOIN, should produce partial partitionwise aggregation plan as --- GROUP BY is on nullable column -EXPLAIN (COSTS OFF) -SELECT a.x, sum(b.x) FROM pagg_tab1 a FULL OUTER JOIN pagg_tab2 b ON a.x = b.y GROUP BY a.x ORDER BY 1 NULLS LAST; - QUERY PLAN ------------------------------------------------------------------- - Finalize GroupAggregate - Group Key: a.x - -> Sort - Sort Key: a.x - -> Append - -> Partial HashAggregate - Group Key: a.x - -> Hash Full Join - Hash Cond: (a.x = b.y) - -> Seq Scan on pagg_tab1_p1 a - -> Hash - -> Seq Scan on pagg_tab2_p1 b - -> Partial HashAggregate - Group Key: a_1.x - -> Hash Full Join - Hash Cond: (a_1.x = b_1.y) - -> Seq Scan on pagg_tab1_p2 a_1 - -> Hash - -> Seq Scan on pagg_tab2_p2 b_1 - -> Partial HashAggregate - Group Key: a_2.x - -> Hash Full Join - Hash Cond: (b_2.y = a_2.x) - -> Seq Scan on pagg_tab2_p3 b_2 - -> Hash - -> Seq Scan on pagg_tab1_p3 a_2 -(26 rows) - -SELECT a.x, sum(b.x) FROM pagg_tab1 a FULL OUTER JOIN pagg_tab2 b ON a.x = b.y GROUP BY a.x ORDER BY 1 NULLS LAST; - x | sum -----+------ - 0 | 500 - 2 | - 4 | - 6 | 1100 - 8 | - 10 | - 12 | 700 - 14 | - 16 | - 18 | 1300 - 20 | - 22 | - 24 | 900 - 26 | - 28 | - | 500 -(16 rows) - --- LEFT JOIN, with dummy relation on right side, ideally --- should produce full partitionwise aggregation plan as GROUP BY is on --- non-nullable columns. --- But right now we are unable to do partitionwise join in this case. -EXPLAIN (COSTS OFF) -SELECT a.x, b.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x < 20) a LEFT JOIN (SELECT * FROM pagg_tab2 WHERE y > 10) b ON a.x = b.y WHERE a.x > 5 or b.y < 20 GROUP BY a.x, b.y ORDER BY 1, 2; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: pagg_tab1.x, pagg_tab2.y - -> HashAggregate - Group Key: pagg_tab1.x, pagg_tab2.y - -> Hash Left Join - Hash Cond: (pagg_tab1.x = pagg_tab2.y) - Filter: ((pagg_tab1.x > 5) OR (pagg_tab2.y < 20)) - -> Append - -> Seq Scan on pagg_tab1_p1 pagg_tab1_1 - Filter: (x < 20) - -> Seq Scan on pagg_tab1_p2 pagg_tab1_2 - Filter: (x < 20) - -> Hash - -> Append - -> Seq Scan on pagg_tab2_p2 pagg_tab2_1 - Filter: (y > 10) - -> Seq Scan on pagg_tab2_p3 pagg_tab2_2 - Filter: (y > 10) -(18 rows) - -SELECT a.x, b.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x < 20) a LEFT JOIN (SELECT * FROM pagg_tab2 WHERE y > 10) b ON a.x = b.y WHERE a.x > 5 or b.y < 20 GROUP BY a.x, b.y ORDER BY 1, 2; - x | y | count -----+----+------- - 6 | | 10 - 8 | | 10 - 10 | | 10 - 12 | 12 | 100 - 14 | | 10 - 16 | | 10 - 18 | 18 | 100 -(7 rows) - --- FULL JOIN, with dummy relations on both sides, ideally --- should produce partial partitionwise aggregation plan as GROUP BY is on --- nullable columns. --- But right now we are unable to do partitionwise join in this case. -EXPLAIN (COSTS OFF) -SELECT a.x, b.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x < 20) a FULL JOIN (SELECT * FROM pagg_tab2 WHERE y > 10) b ON a.x = b.y WHERE a.x > 5 or b.y < 20 GROUP BY a.x, b.y ORDER BY 1, 2; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: pagg_tab1.x, pagg_tab2.y - -> HashAggregate - Group Key: pagg_tab1.x, pagg_tab2.y - -> Hash Full Join - Hash Cond: (pagg_tab1.x = pagg_tab2.y) - Filter: ((pagg_tab1.x > 5) OR (pagg_tab2.y < 20)) - -> Append - -> Seq Scan on pagg_tab1_p1 pagg_tab1_1 - Filter: (x < 20) - -> Seq Scan on pagg_tab1_p2 pagg_tab1_2 - Filter: (x < 20) - -> Hash - -> Append - -> Seq Scan on pagg_tab2_p2 pagg_tab2_1 - Filter: (y > 10) - -> Seq Scan on pagg_tab2_p3 pagg_tab2_2 - Filter: (y > 10) -(18 rows) - -SELECT a.x, b.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x < 20) a FULL JOIN (SELECT * FROM pagg_tab2 WHERE y > 10) b ON a.x = b.y WHERE a.x > 5 or b.y < 20 GROUP BY a.x, b.y ORDER BY 1, 2; - x | y | count -----+----+------- - 6 | | 10 - 8 | | 10 - 10 | | 10 - 12 | 12 | 100 - 14 | | 10 - 16 | | 10 - 18 | 18 | 100 - | 15 | 10 -(8 rows) - --- Empty join relation because of empty outer side, no partitionwise agg plan -EXPLAIN (COSTS OFF) -SELECT a.x, a.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x = 1 AND x = 2) a LEFT JOIN pagg_tab2 b ON a.x = b.y GROUP BY a.x, a.y ORDER BY 1, 2; - QUERY PLAN --------------------------------------- - GroupAggregate - Group Key: pagg_tab1.y - -> Sort - Sort Key: pagg_tab1.y - -> Result - One-Time Filter: false -(6 rows) - -SELECT a.x, a.y, count(*) FROM (SELECT * FROM pagg_tab1 WHERE x = 1 AND x = 2) a LEFT JOIN pagg_tab2 b ON a.x = b.y GROUP BY a.x, a.y ORDER BY 1, 2; - x | y | count ----+---+------- -(0 rows) - --- Partition by multiple columns -CREATE TABLE pagg_tab_m (a int, b int, c int) PARTITION BY RANGE(a, ((a+b)/2)); -CREATE TABLE pagg_tab_m_p1 PARTITION OF pagg_tab_m FOR VALUES FROM (0, 0) TO (12, 12); -CREATE TABLE pagg_tab_m_p2 PARTITION OF pagg_tab_m FOR VALUES FROM (12, 12) TO (22, 22); -CREATE TABLE pagg_tab_m_p3 PARTITION OF pagg_tab_m FOR VALUES FROM (22, 22) TO (30, 30); -INSERT INTO pagg_tab_m SELECT i % 30, i % 40, i % 50 FROM generate_series(0, 2999) i; -ANALYZE pagg_tab_m; --- Partial aggregation as GROUP BY clause does not match with PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT a, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY a HAVING avg(c) < 22 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_m.a, (sum(pagg_tab_m.b)), (avg(pagg_tab_m.c)) - -> Finalize HashAggregate - Group Key: pagg_tab_m.a - Filter: (avg(pagg_tab_m.c) < '22'::numeric) - -> Append - -> Partial HashAggregate - Group Key: pagg_tab_m.a - -> Seq Scan on pagg_tab_m_p1 pagg_tab_m - -> Partial HashAggregate - Group Key: pagg_tab_m_1.a - -> Seq Scan on pagg_tab_m_p2 pagg_tab_m_1 - -> Partial HashAggregate - Group Key: pagg_tab_m_2.a - -> Seq Scan on pagg_tab_m_p3 pagg_tab_m_2 -(15 rows) - -SELECT a, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY a HAVING avg(c) < 22 ORDER BY 1, 2, 3; - a | sum | avg | count -----+------+---------------------+------- - 0 | 1500 | 20.0000000000000000 | 100 - 1 | 1600 | 21.0000000000000000 | 100 - 10 | 1500 | 20.0000000000000000 | 100 - 11 | 1600 | 21.0000000000000000 | 100 - 20 | 1500 | 20.0000000000000000 | 100 - 21 | 1600 | 21.0000000000000000 | 100 -(6 rows) - --- Full aggregation as GROUP BY clause matches with PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT a, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY a, (a+b)/2 HAVING sum(b) < 50 ORDER BY 1, 2, 3; - QUERY PLAN ----------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_m.a, (sum(pagg_tab_m.b)), (avg(pagg_tab_m.c)) - -> Append - -> HashAggregate - Group Key: pagg_tab_m.a, ((pagg_tab_m.a + pagg_tab_m.b) / 2) - Filter: (sum(pagg_tab_m.b) < 50) - -> Seq Scan on pagg_tab_m_p1 pagg_tab_m - -> HashAggregate - Group Key: pagg_tab_m_1.a, ((pagg_tab_m_1.a + pagg_tab_m_1.b) / 2) - Filter: (sum(pagg_tab_m_1.b) < 50) - -> Seq Scan on pagg_tab_m_p2 pagg_tab_m_1 - -> HashAggregate - Group Key: pagg_tab_m_2.a, ((pagg_tab_m_2.a + pagg_tab_m_2.b) / 2) - Filter: (sum(pagg_tab_m_2.b) < 50) - -> Seq Scan on pagg_tab_m_p3 pagg_tab_m_2 -(15 rows) - -SELECT a, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY a, (a+b)/2 HAVING sum(b) < 50 ORDER BY 1, 2, 3; - a | sum | avg | count -----+-----+---------------------+------- - 0 | 0 | 20.0000000000000000 | 25 - 1 | 25 | 21.0000000000000000 | 25 - 10 | 0 | 20.0000000000000000 | 25 - 11 | 25 | 21.0000000000000000 | 25 - 20 | 0 | 20.0000000000000000 | 25 - 21 | 25 | 21.0000000000000000 | 25 -(6 rows) - --- Full aggregation as PARTITION KEY is part of GROUP BY clause -EXPLAIN (COSTS OFF) -SELECT a, c, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY (a+b)/2, 2, 1 HAVING sum(b) = 50 AND avg(c) > 25 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_m.a, pagg_tab_m.c, (sum(pagg_tab_m.b)) - -> Append - -> HashAggregate - Group Key: pagg_tab_m.a, pagg_tab_m.c, ((pagg_tab_m.a + pagg_tab_m.b) / 2) - Filter: ((sum(pagg_tab_m.b) = 50) AND (avg(pagg_tab_m.c) > '25'::numeric)) - -> Seq Scan on pagg_tab_m_p1 pagg_tab_m - -> HashAggregate - Group Key: pagg_tab_m_1.a, pagg_tab_m_1.c, ((pagg_tab_m_1.a + pagg_tab_m_1.b) / 2) - Filter: ((sum(pagg_tab_m_1.b) = 50) AND (avg(pagg_tab_m_1.c) > '25'::numeric)) - -> Seq Scan on pagg_tab_m_p2 pagg_tab_m_1 - -> HashAggregate - Group Key: pagg_tab_m_2.a, pagg_tab_m_2.c, ((pagg_tab_m_2.a + pagg_tab_m_2.b) / 2) - Filter: ((sum(pagg_tab_m_2.b) = 50) AND (avg(pagg_tab_m_2.c) > '25'::numeric)) - -> Seq Scan on pagg_tab_m_p3 pagg_tab_m_2 -(15 rows) - -SELECT a, c, sum(b), avg(c), count(*) FROM pagg_tab_m GROUP BY (a+b)/2, 2, 1 HAVING sum(b) = 50 AND avg(c) > 25 ORDER BY 1, 2, 3; - a | c | sum | avg | count -----+----+-----+---------------------+------- - 0 | 30 | 50 | 30.0000000000000000 | 5 - 0 | 40 | 50 | 40.0000000000000000 | 5 - 10 | 30 | 50 | 30.0000000000000000 | 5 - 10 | 40 | 50 | 40.0000000000000000 | 5 - 20 | 30 | 50 | 30.0000000000000000 | 5 - 20 | 40 | 50 | 40.0000000000000000 | 5 -(6 rows) - --- Test with multi-level partitioning scheme -CREATE TABLE pagg_tab_ml (a int, b int, c text) PARTITION BY RANGE(a); -CREATE TABLE pagg_tab_ml_p1 PARTITION OF pagg_tab_ml FOR VALUES FROM (0) TO (12); -CREATE TABLE pagg_tab_ml_p2 PARTITION OF pagg_tab_ml FOR VALUES FROM (12) TO (20) PARTITION BY LIST (c); -CREATE TABLE pagg_tab_ml_p2_s1 PARTITION OF pagg_tab_ml_p2 FOR VALUES IN ('0000', '0001', '0002'); -CREATE TABLE pagg_tab_ml_p2_s2 PARTITION OF pagg_tab_ml_p2 FOR VALUES IN ('0003'); --- This level of partitioning has different column positions than the parent -CREATE TABLE pagg_tab_ml_p3(b int, c text, a int) PARTITION BY RANGE (b); -CREATE TABLE pagg_tab_ml_p3_s1(c text, a int, b int); -CREATE TABLE pagg_tab_ml_p3_s2 PARTITION OF pagg_tab_ml_p3 FOR VALUES FROM (7) TO (10); -ALTER TABLE pagg_tab_ml_p3 ATTACH PARTITION pagg_tab_ml_p3_s1 FOR VALUES FROM (0) TO (7); -ALTER TABLE pagg_tab_ml ATTACH PARTITION pagg_tab_ml_p3 FOR VALUES FROM (20) TO (30); -INSERT INTO pagg_tab_ml SELECT i % 30, i % 10, to_char(i % 4, 'FM0000') FROM generate_series(0, 29999) i; -ANALYZE pagg_tab_ml; --- For Parallel Append -SET max_parallel_workers_per_gather TO 2; -SET parallel_setup_cost = 0; --- Full aggregation at level 1 as GROUP BY clause matches with PARTITION KEY --- for level 1 only. For subpartitions, GROUP BY clause does not match with --- PARTITION KEY, but still we do not see a partial aggregation as array_agg() --- is not partial agg safe. -EXPLAIN (COSTS OFF) -SELECT a, sum(b), array_agg(distinct c), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - QUERY PLAN --------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.a, (sum(pagg_tab_ml.b)), (array_agg(DISTINCT pagg_tab_ml.c)) - -> Gather - Workers Planned: 2 - -> Parallel Append - -> GroupAggregate - Group Key: pagg_tab_ml.a - Filter: (avg(pagg_tab_ml.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml.a, pagg_tab_ml.c - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> GroupAggregate - Group Key: pagg_tab_ml_5.a - Filter: (avg(pagg_tab_ml_5.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_5.a, pagg_tab_ml_5.c - -> Append - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_5 - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_6 - -> GroupAggregate - Group Key: pagg_tab_ml_2.a - Filter: (avg(pagg_tab_ml_2.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_2.a, pagg_tab_ml_2.c - -> Append - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_2 - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_3 -(27 rows) - -SELECT a, sum(b), array_agg(distinct c), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - a | sum | array_agg | count -----+------+-------------+------- - 0 | 0 | {0000,0002} | 1000 - 1 | 1000 | {0001,0003} | 1000 - 2 | 2000 | {0000,0002} | 1000 - 10 | 0 | {0000,0002} | 1000 - 11 | 1000 | {0001,0003} | 1000 - 12 | 2000 | {0000,0002} | 1000 - 20 | 0 | {0000,0002} | 1000 - 21 | 1000 | {0001,0003} | 1000 - 22 | 2000 | {0000,0002} | 1000 -(9 rows) - --- Without ORDER BY clause, to test Gather at top-most path -EXPLAIN (COSTS OFF) -SELECT a, sum(b), array_agg(distinct c), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3; - QUERY PLAN ---------------------------------------------------------------------------- - Gather - Workers Planned: 2 - -> Parallel Append - -> GroupAggregate - Group Key: pagg_tab_ml.a - Filter: (avg(pagg_tab_ml.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml.a, pagg_tab_ml.c - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> GroupAggregate - Group Key: pagg_tab_ml_5.a - Filter: (avg(pagg_tab_ml_5.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_5.a, pagg_tab_ml_5.c - -> Append - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_5 - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_6 - -> GroupAggregate - Group Key: pagg_tab_ml_2.a - Filter: (avg(pagg_tab_ml_2.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_2.a, pagg_tab_ml_2.c - -> Append - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_2 - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_3 -(25 rows) - -RESET parallel_setup_cost; --- Full aggregation at level 1 as GROUP BY clause matches with PARTITION KEY --- for level 1 only. For subpartitions, GROUP BY clause does not match with --- PARTITION KEY, thus we will have a partial aggregation for them. -EXPLAIN (COSTS OFF) -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - QUERY PLAN ---------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.a, (sum(pagg_tab_ml.b)), (count(*)) - -> Append - -> HashAggregate - Group Key: pagg_tab_ml.a - Filter: (avg(pagg_tab_ml.b) < '3'::numeric) - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> Finalize GroupAggregate - Group Key: pagg_tab_ml_2.a - Filter: (avg(pagg_tab_ml_2.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_2.a - -> Append - -> Partial HashAggregate - Group Key: pagg_tab_ml_2.a - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_2 - -> Partial HashAggregate - Group Key: pagg_tab_ml_3.a - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_3 - -> Finalize GroupAggregate - Group Key: pagg_tab_ml_5.a - Filter: (avg(pagg_tab_ml_5.b) < '3'::numeric) - -> Sort - Sort Key: pagg_tab_ml_5.a - -> Append - -> Partial HashAggregate - Group Key: pagg_tab_ml_5.a - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_5 - -> Partial HashAggregate - Group Key: pagg_tab_ml_6.a - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_6 -(31 rows) - -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - a | sum | count -----+------+------- - 0 | 0 | 1000 - 1 | 1000 | 1000 - 2 | 2000 | 1000 - 10 | 0 | 1000 - 11 | 1000 | 1000 - 12 | 2000 | 1000 - 20 | 0 | 1000 - 21 | 1000 | 1000 - 22 | 2000 | 1000 -(9 rows) - --- Partial aggregation at all levels as GROUP BY clause does not match with --- PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT b, sum(a), count(*) FROM pagg_tab_ml GROUP BY b ORDER BY 1, 2, 3; - QUERY PLAN ---------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.b, (sum(pagg_tab_ml.a)), (count(*)) - -> Finalize GroupAggregate - Group Key: pagg_tab_ml.b - -> Sort - Sort Key: pagg_tab_ml.b - -> Append - -> Partial HashAggregate - Group Key: pagg_tab_ml.b - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> Partial HashAggregate - Group Key: pagg_tab_ml_1.b - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_1 - -> Partial HashAggregate - Group Key: pagg_tab_ml_2.b - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_2 - -> Partial HashAggregate - Group Key: pagg_tab_ml_3.b - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_3 - -> Partial HashAggregate - Group Key: pagg_tab_ml_4.b - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_4 -(22 rows) - -SELECT b, sum(a), count(*) FROM pagg_tab_ml GROUP BY b HAVING avg(a) < 15 ORDER BY 1, 2, 3; - b | sum | count ----+-------+------- - 0 | 30000 | 3000 - 1 | 33000 | 3000 - 2 | 36000 | 3000 - 3 | 39000 | 3000 - 4 | 42000 | 3000 -(5 rows) - --- Full aggregation at all levels as GROUP BY clause matches with PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a, b, c HAVING avg(b) > 7 ORDER BY 1, 2, 3; - QUERY PLAN ----------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.a, (sum(pagg_tab_ml.b)), (count(*)) - -> Append - -> HashAggregate - Group Key: pagg_tab_ml.a, pagg_tab_ml.b, pagg_tab_ml.c - Filter: (avg(pagg_tab_ml.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> HashAggregate - Group Key: pagg_tab_ml_1.a, pagg_tab_ml_1.b, pagg_tab_ml_1.c - Filter: (avg(pagg_tab_ml_1.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_1 - -> HashAggregate - Group Key: pagg_tab_ml_2.a, pagg_tab_ml_2.b, pagg_tab_ml_2.c - Filter: (avg(pagg_tab_ml_2.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_2 - -> HashAggregate - Group Key: pagg_tab_ml_3.a, pagg_tab_ml_3.b, pagg_tab_ml_3.c - Filter: (avg(pagg_tab_ml_3.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_3 - -> HashAggregate - Group Key: pagg_tab_ml_4.a, pagg_tab_ml_4.b, pagg_tab_ml_4.c - Filter: (avg(pagg_tab_ml_4.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_4 -(23 rows) - -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a, b, c HAVING avg(b) > 7 ORDER BY 1, 2, 3; - a | sum | count -----+------+------- - 8 | 4000 | 500 - 8 | 4000 | 500 - 9 | 4500 | 500 - 9 | 4500 | 500 - 18 | 4000 | 500 - 18 | 4000 | 500 - 19 | 4500 | 500 - 19 | 4500 | 500 - 28 | 4000 | 500 - 28 | 4000 | 500 - 29 | 4500 | 500 - 29 | 4500 | 500 -(12 rows) - --- Parallelism within partitionwise aggregates -SET min_parallel_table_scan_size TO '8kB'; -SET parallel_setup_cost TO 0; --- Full aggregation at level 1 as GROUP BY clause matches with PARTITION KEY --- for level 1 only. For subpartitions, GROUP BY clause does not match with --- PARTITION KEY, thus we will have a partial aggregation for them. -EXPLAIN (COSTS OFF) -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - QUERY PLAN ------------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.a, (sum(pagg_tab_ml.b)), (count(*)) - -> Append - -> Finalize GroupAggregate - Group Key: pagg_tab_ml.a - Filter: (avg(pagg_tab_ml.b) < '3'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_ml.a - -> Partial HashAggregate - Group Key: pagg_tab_ml.a - -> Parallel Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> Finalize GroupAggregate - Group Key: pagg_tab_ml_2.a - Filter: (avg(pagg_tab_ml_2.b) < '3'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_ml_2.a - -> Parallel Append - -> Partial HashAggregate - Group Key: pagg_tab_ml_2.a - -> Parallel Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_2 - -> Partial HashAggregate - Group Key: pagg_tab_ml_3.a - -> Parallel Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_3 - -> Finalize GroupAggregate - Group Key: pagg_tab_ml_5.a - Filter: (avg(pagg_tab_ml_5.b) < '3'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_ml_5.a - -> Parallel Append - -> Partial HashAggregate - Group Key: pagg_tab_ml_5.a - -> Parallel Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_5 - -> Partial HashAggregate - Group Key: pagg_tab_ml_6.a - -> Parallel Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_6 -(41 rows) - -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a HAVING avg(b) < 3 ORDER BY 1, 2, 3; - a | sum | count -----+------+------- - 0 | 0 | 1000 - 1 | 1000 | 1000 - 2 | 2000 | 1000 - 10 | 0 | 1000 - 11 | 1000 | 1000 - 12 | 2000 | 1000 - 20 | 0 | 1000 - 21 | 1000 | 1000 - 22 | 2000 | 1000 -(9 rows) - --- Partial aggregation at all levels as GROUP BY clause does not match with --- PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT b, sum(a), count(*) FROM pagg_tab_ml GROUP BY b ORDER BY 1, 2, 3; - QUERY PLAN ------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_ml.b, (sum(pagg_tab_ml.a)), (count(*)) - -> Finalize GroupAggregate - Group Key: pagg_tab_ml.b - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_ml.b - -> Parallel Append - -> Partial HashAggregate - Group Key: pagg_tab_ml.b - -> Parallel Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> Partial HashAggregate - Group Key: pagg_tab_ml_3.b - -> Parallel Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_3 - -> Partial HashAggregate - Group Key: pagg_tab_ml_1.b - -> Parallel Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_1 - -> Partial HashAggregate - Group Key: pagg_tab_ml_4.b - -> Parallel Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_4 - -> Partial HashAggregate - Group Key: pagg_tab_ml_2.b - -> Parallel Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_2 -(24 rows) - -SELECT b, sum(a), count(*) FROM pagg_tab_ml GROUP BY b HAVING avg(a) < 15 ORDER BY 1, 2, 3; - b | sum | count ----+-------+------- - 0 | 30000 | 3000 - 1 | 33000 | 3000 - 2 | 36000 | 3000 - 3 | 39000 | 3000 - 4 | 42000 | 3000 -(5 rows) - --- Full aggregation at all levels as GROUP BY clause matches with PARTITION KEY -EXPLAIN (COSTS OFF) -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a, b, c HAVING avg(b) > 7 ORDER BY 1, 2, 3; - QUERY PLAN ----------------------------------------------------------------------------------- - Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_ml.a, (sum(pagg_tab_ml.b)), (count(*)) - -> Parallel Append - -> HashAggregate - Group Key: pagg_tab_ml.a, pagg_tab_ml.b, pagg_tab_ml.c - Filter: (avg(pagg_tab_ml.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p1 pagg_tab_ml - -> HashAggregate - Group Key: pagg_tab_ml_3.a, pagg_tab_ml_3.b, pagg_tab_ml_3.c - Filter: (avg(pagg_tab_ml_3.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p3_s1 pagg_tab_ml_3 - -> HashAggregate - Group Key: pagg_tab_ml_1.a, pagg_tab_ml_1.b, pagg_tab_ml_1.c - Filter: (avg(pagg_tab_ml_1.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p2_s1 pagg_tab_ml_1 - -> HashAggregate - Group Key: pagg_tab_ml_4.a, pagg_tab_ml_4.b, pagg_tab_ml_4.c - Filter: (avg(pagg_tab_ml_4.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p3_s2 pagg_tab_ml_4 - -> HashAggregate - Group Key: pagg_tab_ml_2.a, pagg_tab_ml_2.b, pagg_tab_ml_2.c - Filter: (avg(pagg_tab_ml_2.b) > '7'::numeric) - -> Seq Scan on pagg_tab_ml_p2_s2 pagg_tab_ml_2 -(25 rows) - -SELECT a, sum(b), count(*) FROM pagg_tab_ml GROUP BY a, b, c HAVING avg(b) > 7 ORDER BY 1, 2, 3; - a | sum | count -----+------+------- - 8 | 4000 | 500 - 8 | 4000 | 500 - 9 | 4500 | 500 - 9 | 4500 | 500 - 18 | 4000 | 500 - 18 | 4000 | 500 - 19 | 4500 | 500 - 19 | 4500 | 500 - 28 | 4000 | 500 - 28 | 4000 | 500 - 29 | 4500 | 500 - 29 | 4500 | 500 -(12 rows) - --- Parallelism within partitionwise aggregates (single level) --- Add few parallel setup cost, so that we will see a plan which gathers --- partially created paths even for full aggregation and sticks a single Gather --- followed by finalization step. --- Without this, the cost of doing partial aggregation + Gather + finalization --- for each partition and then Append over it turns out to be same and this --- wins as we add it first. This parallel_setup_cost plays a vital role in --- costing such plans. -SET parallel_setup_cost TO 10; -CREATE TABLE pagg_tab_para(x int, y int) PARTITION BY RANGE(x); -CREATE TABLE pagg_tab_para_p1 PARTITION OF pagg_tab_para FOR VALUES FROM (0) TO (12); -CREATE TABLE pagg_tab_para_p2 PARTITION OF pagg_tab_para FOR VALUES FROM (12) TO (22); -CREATE TABLE pagg_tab_para_p3 PARTITION OF pagg_tab_para FOR VALUES FROM (22) TO (30); -INSERT INTO pagg_tab_para SELECT i % 30, i % 20 FROM generate_series(0, 29999) i; -ANALYZE pagg_tab_para; --- When GROUP BY clause matches; full aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT x, sum(y), avg(y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_para.x, (sum(pagg_tab_para.y)), (avg(pagg_tab_para.y)) - -> Finalize GroupAggregate - Group Key: pagg_tab_para.x - Filter: (avg(pagg_tab_para.y) < '7'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_para.x - -> Parallel Append - -> Partial HashAggregate - Group Key: pagg_tab_para.x - -> Parallel Seq Scan on pagg_tab_para_p1 pagg_tab_para - -> Partial HashAggregate - Group Key: pagg_tab_para_1.x - -> Parallel Seq Scan on pagg_tab_para_p2 pagg_tab_para_1 - -> Partial HashAggregate - Group Key: pagg_tab_para_2.x - -> Parallel Seq Scan on pagg_tab_para_p3 pagg_tab_para_2 -(19 rows) - -SELECT x, sum(y), avg(y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - x | sum | avg | count -----+------+--------------------+------- - 0 | 5000 | 5.0000000000000000 | 1000 - 1 | 6000 | 6.0000000000000000 | 1000 - 10 | 5000 | 5.0000000000000000 | 1000 - 11 | 6000 | 6.0000000000000000 | 1000 - 20 | 5000 | 5.0000000000000000 | 1000 - 21 | 6000 | 6.0000000000000000 | 1000 -(6 rows) - --- When GROUP BY clause does not match; partial aggregation is performed for each partition. -EXPLAIN (COSTS OFF) -SELECT y, sum(x), avg(x), count(*) FROM pagg_tab_para GROUP BY y HAVING avg(x) < 12 ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_para.y, (sum(pagg_tab_para.x)), (avg(pagg_tab_para.x)) - -> Finalize GroupAggregate - Group Key: pagg_tab_para.y - Filter: (avg(pagg_tab_para.x) < '12'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_para.y - -> Parallel Append - -> Partial HashAggregate - Group Key: pagg_tab_para.y - -> Parallel Seq Scan on pagg_tab_para_p1 pagg_tab_para - -> Partial HashAggregate - Group Key: pagg_tab_para_1.y - -> Parallel Seq Scan on pagg_tab_para_p2 pagg_tab_para_1 - -> Partial HashAggregate - Group Key: pagg_tab_para_2.y - -> Parallel Seq Scan on pagg_tab_para_p3 pagg_tab_para_2 -(19 rows) - -SELECT y, sum(x), avg(x), count(*) FROM pagg_tab_para GROUP BY y HAVING avg(x) < 12 ORDER BY 1, 2, 3; - y | sum | avg | count -----+-------+---------------------+------- - 0 | 15000 | 10.0000000000000000 | 1500 - 1 | 16500 | 11.0000000000000000 | 1500 - 10 | 15000 | 10.0000000000000000 | 1500 - 11 | 16500 | 11.0000000000000000 | 1500 -(4 rows) - --- Test when parent can produce parallel paths but not any (or some) of its children --- (Use one more aggregate to tilt the cost estimates for the plan we want) -ALTER TABLE pagg_tab_para_p1 SET (parallel_workers = 0); -ALTER TABLE pagg_tab_para_p3 SET (parallel_workers = 0); -ANALYZE pagg_tab_para; -EXPLAIN (COSTS OFF) -SELECT x, sum(y), avg(y), sum(x+y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - QUERY PLAN -------------------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_para.x, (sum(pagg_tab_para.y)), (avg(pagg_tab_para.y)) - -> Finalize GroupAggregate - Group Key: pagg_tab_para.x - Filter: (avg(pagg_tab_para.y) < '7'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_para.x - -> Partial HashAggregate - Group Key: pagg_tab_para.x - -> Parallel Append - -> Seq Scan on pagg_tab_para_p1 pagg_tab_para_1 - -> Seq Scan on pagg_tab_para_p3 pagg_tab_para_3 - -> Parallel Seq Scan on pagg_tab_para_p2 pagg_tab_para_2 -(15 rows) - -SELECT x, sum(y), avg(y), sum(x+y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - x | sum | avg | sum | count -----+------+--------------------+-------+------- - 0 | 5000 | 5.0000000000000000 | 5000 | 1000 - 1 | 6000 | 6.0000000000000000 | 7000 | 1000 - 10 | 5000 | 5.0000000000000000 | 15000 | 1000 - 11 | 6000 | 6.0000000000000000 | 17000 | 1000 - 20 | 5000 | 5.0000000000000000 | 25000 | 1000 - 21 | 6000 | 6.0000000000000000 | 27000 | 1000 -(6 rows) - -ALTER TABLE pagg_tab_para_p2 SET (parallel_workers = 0); -ANALYZE pagg_tab_para; -EXPLAIN (COSTS OFF) -SELECT x, sum(y), avg(y), sum(x+y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - QUERY PLAN ----------------------------------------------------------------------------------- - Sort - Sort Key: pagg_tab_para.x, (sum(pagg_tab_para.y)), (avg(pagg_tab_para.y)) - -> Finalize GroupAggregate - Group Key: pagg_tab_para.x - Filter: (avg(pagg_tab_para.y) < '7'::numeric) - -> Gather Merge - Workers Planned: 2 - -> Sort - Sort Key: pagg_tab_para.x - -> Partial HashAggregate - Group Key: pagg_tab_para.x - -> Parallel Append - -> Seq Scan on pagg_tab_para_p1 pagg_tab_para_1 - -> Seq Scan on pagg_tab_para_p2 pagg_tab_para_2 - -> Seq Scan on pagg_tab_para_p3 pagg_tab_para_3 -(15 rows) - -SELECT x, sum(y), avg(y), sum(x+y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - x | sum | avg | sum | count -----+------+--------------------+-------+------- - 0 | 5000 | 5.0000000000000000 | 5000 | 1000 - 1 | 6000 | 6.0000000000000000 | 7000 | 1000 - 10 | 5000 | 5.0000000000000000 | 15000 | 1000 - 11 | 6000 | 6.0000000000000000 | 17000 | 1000 - 20 | 5000 | 5.0000000000000000 | 25000 | 1000 - 21 | 6000 | 6.0000000000000000 | 27000 | 1000 -(6 rows) - --- Reset parallelism parameters to get partitionwise aggregation plan. -RESET min_parallel_table_scan_size; -RESET parallel_setup_cost; -EXPLAIN (COSTS OFF) -SELECT x, sum(y), avg(y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - QUERY PLAN ------------------------------------------------------------------------------ - Sort - Sort Key: pagg_tab_para.x, (sum(pagg_tab_para.y)), (avg(pagg_tab_para.y)) - -> Append - -> HashAggregate - Group Key: pagg_tab_para.x - Filter: (avg(pagg_tab_para.y) < '7'::numeric) - -> Seq Scan on pagg_tab_para_p1 pagg_tab_para - -> HashAggregate - Group Key: pagg_tab_para_1.x - Filter: (avg(pagg_tab_para_1.y) < '7'::numeric) - -> Seq Scan on pagg_tab_para_p2 pagg_tab_para_1 - -> HashAggregate - Group Key: pagg_tab_para_2.x - Filter: (avg(pagg_tab_para_2.y) < '7'::numeric) - -> Seq Scan on pagg_tab_para_p3 pagg_tab_para_2 -(15 rows) - -SELECT x, sum(y), avg(y), count(*) FROM pagg_tab_para GROUP BY x HAVING avg(y) < 7 ORDER BY 1, 2, 3; - x | sum | avg | count -----+------+--------------------+------- - 0 | 5000 | 5.0000000000000000 | 1000 - 1 | 6000 | 6.0000000000000000 | 1000 - 10 | 5000 | 5.0000000000000000 | 1000 - 11 | 6000 | 6.0000000000000000 | 1000 - 20 | 5000 | 5.0000000000000000 | 1000 - 21 | 6000 | 6.0000000000000000 | 1000 -(6 rows) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/partition_info.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_info.out --- /tmp/cirrus-ci-build/src/test/regress/expected/partition_info.out 2025-06-04 16:00:28.768851000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/partition_info.out 2025-06-04 16:05:11.687208000 +0000 @@ -1,351 +1,2 @@ --- --- Tests for functions providing information about partitions --- -SELECT * FROM pg_partition_tree(NULL); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_tree(0); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_ancestors(NULL); - relid -------- -(0 rows) - -SELECT * FROM pg_partition_ancestors(0); - relid -------- -(0 rows) - -SELECT pg_partition_root(NULL); - pg_partition_root -------------------- - -(1 row) - -SELECT pg_partition_root(0); - pg_partition_root -------------------- - -(1 row) - --- Test table partition trees -CREATE TABLE ptif_test (a int, b int) PARTITION BY range (a); -CREATE TABLE ptif_test0 PARTITION OF ptif_test - FOR VALUES FROM (minvalue) TO (0) PARTITION BY list (b); -CREATE TABLE ptif_test01 PARTITION OF ptif_test0 FOR VALUES IN (1); -CREATE TABLE ptif_test1 PARTITION OF ptif_test - FOR VALUES FROM (0) TO (100) PARTITION BY list (b); -CREATE TABLE ptif_test11 PARTITION OF ptif_test1 FOR VALUES IN (1); -CREATE TABLE ptif_test2 PARTITION OF ptif_test - FOR VALUES FROM (100) TO (200); --- This partitioned table should remain with no partitions. -CREATE TABLE ptif_test3 PARTITION OF ptif_test - FOR VALUES FROM (200) TO (maxvalue) PARTITION BY list (b); --- Test pg_partition_root for tables -SELECT pg_partition_root('ptif_test'); - pg_partition_root -------------------- - ptif_test -(1 row) - -SELECT pg_partition_root('ptif_test0'); - pg_partition_root -------------------- - ptif_test -(1 row) - -SELECT pg_partition_root('ptif_test01'); - pg_partition_root -------------------- - ptif_test -(1 row) - -SELECT pg_partition_root('ptif_test3'); - pg_partition_root -------------------- - ptif_test -(1 row) - --- Test index partition tree -CREATE INDEX ptif_test_index ON ONLY ptif_test (a); -CREATE INDEX ptif_test0_index ON ONLY ptif_test0 (a); -ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test0_index; -CREATE INDEX ptif_test01_index ON ptif_test01 (a); -ALTER INDEX ptif_test0_index ATTACH PARTITION ptif_test01_index; -CREATE INDEX ptif_test1_index ON ONLY ptif_test1 (a); -ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test1_index; -CREATE INDEX ptif_test11_index ON ptif_test11 (a); -ALTER INDEX ptif_test1_index ATTACH PARTITION ptif_test11_index; -CREATE INDEX ptif_test2_index ON ptif_test2 (a); -ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test2_index; -CREATE INDEX ptif_test3_index ON ptif_test3 (a); -ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test3_index; --- Test pg_partition_root for indexes -SELECT pg_partition_root('ptif_test_index'); - pg_partition_root -------------------- - ptif_test_index -(1 row) - -SELECT pg_partition_root('ptif_test0_index'); - pg_partition_root -------------------- - ptif_test_index -(1 row) - -SELECT pg_partition_root('ptif_test01_index'); - pg_partition_root -------------------- - ptif_test_index -(1 row) - -SELECT pg_partition_root('ptif_test3_index'); - pg_partition_root -------------------- - ptif_test_index -(1 row) - --- List all tables members of the tree -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test'); - relid | parentrelid | level | isleaf --------------+-------------+-------+-------- - ptif_test | | 0 | f - ptif_test0 | ptif_test | 1 | f - ptif_test1 | ptif_test | 1 | f - ptif_test2 | ptif_test | 1 | t - ptif_test3 | ptif_test | 1 | f - ptif_test01 | ptif_test0 | 2 | t - ptif_test11 | ptif_test1 | 2 | t -(7 rows) - --- List tables from an intermediate level -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test0') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------+-------------+-------+-------- - ptif_test0 | ptif_test | 0 | f - ptif_test01 | ptif_test0 | 1 | t -(2 rows) - --- List from leaf table -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test01') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------+-------------+-------+-------- - ptif_test01 | ptif_test0 | 0 | t -(1 row) - --- List from partitioned table with no partitions -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test3') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf -------------+-------------+-------+-------- - ptif_test3 | ptif_test | 0 | f -(1 row) - --- List all ancestors of root and leaf tables -SELECT * FROM pg_partition_ancestors('ptif_test01'); - relid -------------- - ptif_test01 - ptif_test0 - ptif_test -(3 rows) - -SELECT * FROM pg_partition_ancestors('ptif_test'); - relid ------------ - ptif_test -(1 row) - --- List all members using pg_partition_root with leaf table reference -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree(pg_partition_root('ptif_test01')) p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------+-------------+-------+-------- - ptif_test | | 0 | f - ptif_test0 | ptif_test | 1 | f - ptif_test1 | ptif_test | 1 | f - ptif_test2 | ptif_test | 1 | t - ptif_test3 | ptif_test | 1 | f - ptif_test01 | ptif_test0 | 2 | t - ptif_test11 | ptif_test1 | 2 | t -(7 rows) - --- List all indexes members of the tree -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test_index'); - relid | parentrelid | level | isleaf --------------------+------------------+-------+-------- - ptif_test_index | | 0 | f - ptif_test0_index | ptif_test_index | 1 | f - ptif_test1_index | ptif_test_index | 1 | f - ptif_test2_index | ptif_test_index | 1 | t - ptif_test3_index | ptif_test_index | 1 | f - ptif_test01_index | ptif_test0_index | 2 | t - ptif_test11_index | ptif_test1_index | 2 | t -(7 rows) - --- List indexes from an intermediate level -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test0_index') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------------+------------------+-------+-------- - ptif_test0_index | ptif_test_index | 0 | f - ptif_test01_index | ptif_test0_index | 1 | t -(2 rows) - --- List from leaf index -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test01_index') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------------+------------------+-------+-------- - ptif_test01_index | ptif_test0_index | 0 | t -(1 row) - --- List from partitioned index with no partitions -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_test3_index') p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf -------------------+-----------------+-------+-------- - ptif_test3_index | ptif_test_index | 0 | f -(1 row) - --- List all members using pg_partition_root with leaf index reference -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree(pg_partition_root('ptif_test01_index')) p - JOIN pg_class c ON (p.relid = c.oid); - relid | parentrelid | level | isleaf --------------------+------------------+-------+-------- - ptif_test_index | | 0 | f - ptif_test0_index | ptif_test_index | 1 | f - ptif_test1_index | ptif_test_index | 1 | f - ptif_test2_index | ptif_test_index | 1 | t - ptif_test3_index | ptif_test_index | 1 | f - ptif_test01_index | ptif_test0_index | 2 | t - ptif_test11_index | ptif_test1_index | 2 | t -(7 rows) - --- List all ancestors of root and leaf indexes -SELECT * FROM pg_partition_ancestors('ptif_test01_index'); - relid -------------------- - ptif_test01_index - ptif_test0_index - ptif_test_index -(3 rows) - -SELECT * FROM pg_partition_ancestors('ptif_test_index'); - relid ------------------ - ptif_test_index -(1 row) - -DROP TABLE ptif_test; --- Table that is not part of any partition tree is not listed. -CREATE TABLE ptif_normal_table(a int); -SELECT relid, parentrelid, level, isleaf - FROM pg_partition_tree('ptif_normal_table'); - relid | parentrelid | level | isleaf --------+-------------+-------+-------- -(0 rows) - -SELECT * FROM pg_partition_ancestors('ptif_normal_table'); - relid -------- -(0 rows) - -SELECT pg_partition_root('ptif_normal_table'); - pg_partition_root -------------------- - -(1 row) - -DROP TABLE ptif_normal_table; --- Various partitioning-related functions return empty/NULL if passed relations --- of types that cannot be part of a partition tree; for example, views, --- materialized views, legacy inheritance children or parents, etc. -CREATE VIEW ptif_test_view AS SELECT 1; -CREATE MATERIALIZED VIEW ptif_test_matview AS SELECT 1; -CREATE TABLE ptif_li_parent (); -CREATE TABLE ptif_li_child () INHERITS (ptif_li_parent); -SELECT * FROM pg_partition_tree('ptif_test_view'); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_tree('ptif_test_matview'); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_tree('ptif_li_parent'); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_tree('ptif_li_child'); - relid | parentrelid | isleaf | level --------+-------------+--------+------- -(0 rows) - -SELECT * FROM pg_partition_ancestors('ptif_test_view'); - relid -------- -(0 rows) - -SELECT * FROM pg_partition_ancestors('ptif_test_matview'); - relid -------- -(0 rows) - -SELECT * FROM pg_partition_ancestors('ptif_li_parent'); - relid -------- -(0 rows) - -SELECT * FROM pg_partition_ancestors('ptif_li_child'); - relid -------- -(0 rows) - -SELECT pg_partition_root('ptif_test_view'); - pg_partition_root -------------------- - -(1 row) - -SELECT pg_partition_root('ptif_test_matview'); - pg_partition_root -------------------- - -(1 row) - -SELECT pg_partition_root('ptif_li_parent'); - pg_partition_root -------------------- - -(1 row) - -SELECT pg_partition_root('ptif_li_child'); - pg_partition_root -------------------- - -(1 row) - -DROP VIEW ptif_test_view; -DROP MATERIALIZED VIEW ptif_test_matview; -DROP TABLE ptif_li_parent, ptif_li_child; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/tuplesort.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/tuplesort.out --- /tmp/cirrus-ci-build/src/test/regress/expected/tuplesort.out 2025-06-04 16:00:28.801796000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/tuplesort.out 2025-06-04 16:05:11.686218000 +0000 @@ -1,705 +1,2 @@ --- only use parallelism when explicitly intending to do so -SET max_parallel_maintenance_workers = 0; -SET max_parallel_workers = 0; --- A table with contents that, when sorted, triggers abbreviated --- key aborts. One easy way to achieve that is to use uuids that all --- have the same prefix, as abbreviated keys for uuids just use the --- first sizeof(Datum) bytes. -CREATE TEMP TABLE abbrev_abort_uuids ( - id serial not null, - abort_increasing uuid, - abort_decreasing uuid, - noabort_increasing uuid, - noabort_decreasing uuid); -INSERT INTO abbrev_abort_uuids (abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing) - SELECT - ('00000000-0000-0000-0000-'||to_char(g.i, '000000000000FM'))::uuid abort_increasing, - ('00000000-0000-0000-0000-'||to_char(20000 - g.i, '000000000000FM'))::uuid abort_decreasing, - (to_char(g.i % 10009, '00000000FM')||'-0000-0000-0000-'||to_char(g.i, '000000000000FM'))::uuid noabort_increasing, - (to_char(((20000 - g.i) % 10009), '00000000FM')||'-0000-0000-0000-'||to_char(20000 - g.i, '000000000000FM'))::uuid noabort_decreasing - FROM generate_series(0, 20000, 1) g(i); --- and a few NULLs -INSERT INTO abbrev_abort_uuids(id) VALUES(0); -INSERT INTO abbrev_abort_uuids DEFAULT VALUES; -INSERT INTO abbrev_abort_uuids DEFAULT VALUES; --- add just a few duplicates -INSERT INTO abbrev_abort_uuids (abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing) - SELECT abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing - FROM abbrev_abort_uuids - WHERE (id < 10 OR id > 19990) AND id % 3 = 0 AND abort_increasing is not null; ----- --- Check sort node uses of tuplesort wrt. abbreviated keys ----- --- plain sort triggering abbreviated abort -SELECT abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_increasing OFFSET 20000 - 4; - abort_increasing | abort_decreasing ---------------------------------------+-------------------------------------- - 00000000-0000-0000-0000-000000019992 | 00000000-0000-0000-0000-000000000008 - 00000000-0000-0000-0000-000000019993 | 00000000-0000-0000-0000-000000000007 - 00000000-0000-0000-0000-000000019994 | 00000000-0000-0000-0000-000000000006 - 00000000-0000-0000-0000-000000019994 | 00000000-0000-0000-0000-000000000006 - 00000000-0000-0000-0000-000000019995 | 00000000-0000-0000-0000-000000000005 - 00000000-0000-0000-0000-000000019996 | 00000000-0000-0000-0000-000000000004 - 00000000-0000-0000-0000-000000019997 | 00000000-0000-0000-0000-000000000003 - 00000000-0000-0000-0000-000000019997 | 00000000-0000-0000-0000-000000000003 - 00000000-0000-0000-0000-000000019998 | 00000000-0000-0000-0000-000000000002 - 00000000-0000-0000-0000-000000019999 | 00000000-0000-0000-0000-000000000001 - 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - | - | - | -(15 rows) - -SELECT abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_decreasing NULLS FIRST OFFSET 20000 - 4; - abort_increasing | abort_decreasing ---------------------------------------+-------------------------------------- - 00000000-0000-0000-0000-000000000011 | 00000000-0000-0000-0000-000000019989 - 00000000-0000-0000-0000-000000000010 | 00000000-0000-0000-0000-000000019990 - 00000000-0000-0000-0000-000000000009 | 00000000-0000-0000-0000-000000019991 - 00000000-0000-0000-0000-000000000008 | 00000000-0000-0000-0000-000000019992 - 00000000-0000-0000-0000-000000000008 | 00000000-0000-0000-0000-000000019992 - 00000000-0000-0000-0000-000000000007 | 00000000-0000-0000-0000-000000019993 - 00000000-0000-0000-0000-000000000006 | 00000000-0000-0000-0000-000000019994 - 00000000-0000-0000-0000-000000000005 | 00000000-0000-0000-0000-000000019995 - 00000000-0000-0000-0000-000000000005 | 00000000-0000-0000-0000-000000019995 - 00000000-0000-0000-0000-000000000004 | 00000000-0000-0000-0000-000000019996 - 00000000-0000-0000-0000-000000000003 | 00000000-0000-0000-0000-000000019997 - 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 - 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 - 00000000-0000-0000-0000-000000000001 | 00000000-0000-0000-0000-000000019999 - 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000020000 -(15 rows) - --- plain sort not triggering abbreviated abort -SELECT noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_increasing OFFSET 20000 - 4; - noabort_increasing | noabort_decreasing ---------------------------------------+-------------------------------------- - 00009997-0000-0000-0000-000000009997 | 00010003-0000-0000-0000-000000010003 - 00009998-0000-0000-0000-000000009998 | 00010002-0000-0000-0000-000000010002 - 00009999-0000-0000-0000-000000009999 | 00010001-0000-0000-0000-000000010001 - 00010000-0000-0000-0000-000000010000 | 00010000-0000-0000-0000-000000010000 - 00010001-0000-0000-0000-000000010001 | 00009999-0000-0000-0000-000000009999 - 00010002-0000-0000-0000-000000010002 | 00009998-0000-0000-0000-000000009998 - 00010003-0000-0000-0000-000000010003 | 00009997-0000-0000-0000-000000009997 - 00010004-0000-0000-0000-000000010004 | 00009996-0000-0000-0000-000000009996 - 00010005-0000-0000-0000-000000010005 | 00009995-0000-0000-0000-000000009995 - 00010006-0000-0000-0000-000000010006 | 00009994-0000-0000-0000-000000009994 - 00010007-0000-0000-0000-000000010007 | 00009993-0000-0000-0000-000000009993 - 00010008-0000-0000-0000-000000010008 | 00009992-0000-0000-0000-000000009992 - | - | - | -(15 rows) - -SELECT noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing NULLS FIRST OFFSET 20000 - 4; - noabort_increasing | noabort_decreasing ---------------------------------------+-------------------------------------- - 00010006-0000-0000-0000-000000010006 | 00009994-0000-0000-0000-000000009994 - 00010005-0000-0000-0000-000000010005 | 00009995-0000-0000-0000-000000009995 - 00010004-0000-0000-0000-000000010004 | 00009996-0000-0000-0000-000000009996 - 00010003-0000-0000-0000-000000010003 | 00009997-0000-0000-0000-000000009997 - 00010002-0000-0000-0000-000000010002 | 00009998-0000-0000-0000-000000009998 - 00010001-0000-0000-0000-000000010001 | 00009999-0000-0000-0000-000000009999 - 00010000-0000-0000-0000-000000010000 | 00010000-0000-0000-0000-000000010000 - 00009999-0000-0000-0000-000000009999 | 00010001-0000-0000-0000-000000010001 - 00009998-0000-0000-0000-000000009998 | 00010002-0000-0000-0000-000000010002 - 00009997-0000-0000-0000-000000009997 | 00010003-0000-0000-0000-000000010003 - 00009996-0000-0000-0000-000000009996 | 00010004-0000-0000-0000-000000010004 - 00009995-0000-0000-0000-000000009995 | 00010005-0000-0000-0000-000000010005 - 00009994-0000-0000-0000-000000009994 | 00010006-0000-0000-0000-000000010006 - 00009993-0000-0000-0000-000000009993 | 00010007-0000-0000-0000-000000010007 - 00009992-0000-0000-0000-000000009992 | 00010008-0000-0000-0000-000000010008 -(15 rows) - --- bounded sort (disables abbreviated keys) -SELECT abort_increasing, noabort_increasing FROM abbrev_abort_uuids ORDER BY abort_increasing LIMIT 5; - abort_increasing | noabort_increasing ---------------------------------------+-------------------------------------- - 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000000000 - 00000000-0000-0000-0000-000000000001 | 00000001-0000-0000-0000-000000000001 - 00000000-0000-0000-0000-000000000002 | 00000002-0000-0000-0000-000000000002 - 00000000-0000-0000-0000-000000000002 | 00000002-0000-0000-0000-000000000002 - 00000000-0000-0000-0000-000000000003 | 00000003-0000-0000-0000-000000000003 -(5 rows) - -SELECT abort_increasing, noabort_increasing FROM abbrev_abort_uuids ORDER BY noabort_increasing NULLS FIRST LIMIT 5; - abort_increasing | noabort_increasing ---------------------------------------+-------------------------------------- - | - | - | - 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000000000 - 00000000-0000-0000-0000-000000010009 | 00000000-0000-0000-0000-000000010009 -(5 rows) - ----- --- Check index creation uses of tuplesort wrt. abbreviated keys ----- --- index creation using abbreviated keys successfully -CREATE INDEX abbrev_abort_uuids__noabort_increasing_idx ON abbrev_abort_uuids (noabort_increasing); -CREATE INDEX abbrev_abort_uuids__noabort_decreasing_idx ON abbrev_abort_uuids (noabort_decreasing); --- verify -EXPLAIN (COSTS OFF) -SELECT id, noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_increasing LIMIT 5; - QUERY PLAN ------------------------------------------------------------------------------------------ - Limit - -> Index Scan using abbrev_abort_uuids__noabort_increasing_idx on abbrev_abort_uuids -(2 rows) - -SELECT id, noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_increasing LIMIT 5; - id | noabort_increasing | noabort_decreasing --------+--------------------------------------+-------------------------------------- - 1 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 - 10010 | 00000000-0000-0000-0000-000000010009 | 00009991-0000-0000-0000-000000009991 - 2 | 00000001-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 - 10011 | 00000001-0000-0000-0000-000000010010 | 00009990-0000-0000-0000-000000009990 - 3 | 00000002-0000-0000-0000-000000000002 | 00009989-0000-0000-0000-000000019998 -(5 rows) - -EXPLAIN (COSTS OFF) -SELECT id, noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing LIMIT 5; - QUERY PLAN ------------------------------------------------------------------------------------------ - Limit - -> Index Scan using abbrev_abort_uuids__noabort_decreasing_idx on abbrev_abort_uuids -(2 rows) - -SELECT id, noabort_increasing, noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing LIMIT 5; - id | noabort_increasing | noabort_decreasing --------+--------------------------------------+-------------------------------------- - 20001 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20010 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 9992 | 00009991-0000-0000-0000-000000009991 | 00000000-0000-0000-0000-000000010009 - 20000 | 00009990-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 - 9991 | 00009990-0000-0000-0000-000000009990 | 00000001-0000-0000-0000-000000010010 -(5 rows) - --- index creation using abbreviated keys, hitting abort -CREATE INDEX abbrev_abort_uuids__abort_increasing_idx ON abbrev_abort_uuids (abort_increasing); -CREATE INDEX abbrev_abort_uuids__abort_decreasing_idx ON abbrev_abort_uuids (abort_decreasing); --- verify -EXPLAIN (COSTS OFF) -SELECT id, abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_increasing LIMIT 5; - QUERY PLAN ---------------------------------------------------------------------------------------- - Limit - -> Index Scan using abbrev_abort_uuids__abort_increasing_idx on abbrev_abort_uuids -(2 rows) - -SELECT id, abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_increasing LIMIT 5; - id | abort_increasing | abort_decreasing --------+--------------------------------------+-------------------------------------- - 1 | 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000020000 - 2 | 00000000-0000-0000-0000-000000000001 | 00000000-0000-0000-0000-000000019999 - 3 | 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 - 20004 | 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 - 4 | 00000000-0000-0000-0000-000000000003 | 00000000-0000-0000-0000-000000019997 -(5 rows) - -EXPLAIN (COSTS OFF) -SELECT id, abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_decreasing LIMIT 5; - QUERY PLAN ---------------------------------------------------------------------------------------- - Limit - -> Index Scan using abbrev_abort_uuids__abort_decreasing_idx on abbrev_abort_uuids -(2 rows) - -SELECT id, abort_increasing, abort_decreasing FROM abbrev_abort_uuids ORDER BY abort_decreasing LIMIT 5; - id | abort_increasing | abort_decreasing --------+--------------------------------------+-------------------------------------- - 20001 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20010 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20000 | 00000000-0000-0000-0000-000000019999 | 00000000-0000-0000-0000-000000000001 - 19999 | 00000000-0000-0000-0000-000000019998 | 00000000-0000-0000-0000-000000000002 - 19998 | 00000000-0000-0000-0000-000000019997 | 00000000-0000-0000-0000-000000000003 -(5 rows) - ----- --- Check CLUSTER uses of tuplesort wrt. abbreviated keys ----- --- when aborting, increasing order -BEGIN; -SET LOCAL enable_indexscan = false; -CLUSTER abbrev_abort_uuids USING abbrev_abort_uuids__abort_increasing_idx; --- head -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 1 | 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 - 2 | 00000000-0000-0000-0000-000000000001 | 00000000-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 - 3 | 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 | 00000002-0000-0000-0000-000000000002 | 00009989-0000-0000-0000-000000019998 - 20004 | 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 | 00000002-0000-0000-0000-000000000002 | 00009989-0000-0000-0000-000000019998 - 4 | 00000000-0000-0000-0000-000000000003 | 00000000-0000-0000-0000-000000019997 | 00000003-0000-0000-0000-000000000003 | 00009988-0000-0000-0000-000000019997 -(5 rows) - --- tail -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid DESC LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 0 | | | | - 20002 | | | | - 20003 | | | | - 20001 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20010 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 -(5 rows) - -ROLLBACK; --- when aborting, decreasing order -BEGIN; -SET LOCAL enable_indexscan = false; -CLUSTER abbrev_abort_uuids USING abbrev_abort_uuids__abort_decreasing_idx; --- head -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 20010 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20001 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20000 | 00000000-0000-0000-0000-000000019999 | 00000000-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 - 19999 | 00000000-0000-0000-0000-000000019998 | 00000000-0000-0000-0000-000000000002 | 00009989-0000-0000-0000-000000019998 | 00000002-0000-0000-0000-000000000002 - 20009 | 00000000-0000-0000-0000-000000019997 | 00000000-0000-0000-0000-000000000003 | 00009988-0000-0000-0000-000000019997 | 00000003-0000-0000-0000-000000000003 -(5 rows) - --- tail -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid DESC LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 0 | | | | - 20002 | | | | - 20003 | | | | - 1 | 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 - 2 | 00000000-0000-0000-0000-000000000001 | 00000000-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 -(5 rows) - -ROLLBACK; --- when not aborting, increasing order -BEGIN; -SET LOCAL enable_indexscan = false; -CLUSTER abbrev_abort_uuids USING abbrev_abort_uuids__noabort_increasing_idx; --- head -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 1 | 00000000-0000-0000-0000-000000000000 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 - 10010 | 00000000-0000-0000-0000-000000010009 | 00000000-0000-0000-0000-000000009991 | 00000000-0000-0000-0000-000000010009 | 00009991-0000-0000-0000-000000009991 - 2 | 00000000-0000-0000-0000-000000000001 | 00000000-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 - 10011 | 00000000-0000-0000-0000-000000010010 | 00000000-0000-0000-0000-000000009990 | 00000001-0000-0000-0000-000000010010 | 00009990-0000-0000-0000-000000009990 - 20004 | 00000000-0000-0000-0000-000000000002 | 00000000-0000-0000-0000-000000019998 | 00000002-0000-0000-0000-000000000002 | 00009989-0000-0000-0000-000000019998 -(5 rows) - --- tail -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid DESC LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 0 | | | | - 20002 | | | | - 20003 | | | | - 10009 | 00000000-0000-0000-0000-000000010008 | 00000000-0000-0000-0000-000000009992 | 00010008-0000-0000-0000-000000010008 | 00009992-0000-0000-0000-000000009992 - 10008 | 00000000-0000-0000-0000-000000010007 | 00000000-0000-0000-0000-000000009993 | 00010007-0000-0000-0000-000000010007 | 00009993-0000-0000-0000-000000009993 -(5 rows) - -ROLLBACK; --- when no aborting, decreasing order -BEGIN; -SET LOCAL enable_indexscan = false; -CLUSTER abbrev_abort_uuids USING abbrev_abort_uuids__noabort_decreasing_idx; --- head -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 20010 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 20001 | 00000000-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 | 00009991-0000-0000-0000-000000020000 | 00000000-0000-0000-0000-000000000000 - 9992 | 00000000-0000-0000-0000-000000009991 | 00000000-0000-0000-0000-000000010009 | 00009991-0000-0000-0000-000000009991 | 00000000-0000-0000-0000-000000010009 - 20000 | 00000000-0000-0000-0000-000000019999 | 00000000-0000-0000-0000-000000000001 | 00009990-0000-0000-0000-000000019999 | 00000001-0000-0000-0000-000000000001 - 9991 | 00000000-0000-0000-0000-000000009990 | 00000000-0000-0000-0000-000000010010 | 00009990-0000-0000-0000-000000009990 | 00000001-0000-0000-0000-000000010010 -(5 rows) - --- tail -SELECT id, abort_increasing, abort_decreasing, noabort_increasing, noabort_decreasing -FROM abbrev_abort_uuids -ORDER BY ctid DESC LIMIT 5; - id | abort_increasing | abort_decreasing | noabort_increasing | noabort_decreasing --------+--------------------------------------+--------------------------------------+--------------------------------------+-------------------------------------- - 0 | | | | - 20003 | | | | - 20002 | | | | - 9993 | 00000000-0000-0000-0000-000000009992 | 00000000-0000-0000-0000-000000010008 | 00009992-0000-0000-0000-000000009992 | 00010008-0000-0000-0000-000000010008 - 9994 | 00000000-0000-0000-0000-000000009993 | 00000000-0000-0000-0000-000000010007 | 00009993-0000-0000-0000-000000009993 | 00010007-0000-0000-0000-000000010007 -(5 rows) - -ROLLBACK; ----- --- test sorting of large datums VALUES ----- --- Ensure the order is correct and values look intact -SELECT LEFT(a,10),b FROM - (VALUES(REPEAT('a', 512 * 1024),1),(REPEAT('b', 512 * 1024),2)) v(a,b) -ORDER BY v.a DESC; - left | b -------------+--- - bbbbbbbbbb | 2 - aaaaaaaaaa | 1 -(2 rows) - ----- --- test forward and backward scans for in-memory and disk based tuplesort ----- --- in-memory -BEGIN; -SET LOCAL enable_indexscan = false; --- unfortunately can't show analyze output confirming sort method, --- the memory used output wouldn't be stable -EXPLAIN (COSTS OFF) DECLARE c SCROLL CURSOR FOR SELECT noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing; - QUERY PLAN --------------------------------------- - Sort - Sort Key: noabort_decreasing - -> Seq Scan on abbrev_abort_uuids -(3 rows) - -DECLARE c SCROLL CURSOR FOR SELECT noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing; --- first and second -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - --- scroll beyond beginning -FETCH BACKWARD FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - --- scroll beyond end -FETCH LAST FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -COMMIT; --- disk based -BEGIN; -SET LOCAL enable_indexscan = false; -SET LOCAL work_mem = '100kB'; --- unfortunately can't show analyze output confirming sort method, --- the memory used output wouldn't be stable -EXPLAIN (COSTS OFF) DECLARE c SCROLL CURSOR FOR SELECT noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing; - QUERY PLAN --------------------------------------- - Sort - Sort Key: noabort_decreasing - -> Seq Scan on abbrev_abort_uuids -(3 rows) - -DECLARE c SCROLL CURSOR FOR SELECT noabort_decreasing FROM abbrev_abort_uuids ORDER BY noabort_decreasing; --- first and second -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - --- scroll beyond beginning -FETCH BACKWARD FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH NEXT FROM c; - noabort_decreasing --------------------------------------- - 00000000-0000-0000-0000-000000000000 -(1 row) - --- scroll beyond end -FETCH LAST FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -FETCH BACKWARD FROM c; - noabort_decreasing --------------------- - -(1 row) - -FETCH NEXT FROM c; - noabort_decreasing --------------------- -(0 rows) - -COMMIT; ----- --- test tuplesort using both in-memory and disk sort ---- --- memory based -SELECT - -- fixed-width by-value datum - (array_agg(id ORDER BY id DESC NULLS FIRST))[0:5], - -- fixed-width by-ref datum - (array_agg(abort_increasing ORDER BY abort_increasing DESC NULLS LAST))[0:5], - -- variable-width datum - (array_agg(id::text ORDER BY id::text DESC NULLS LAST))[0:5], - -- fixed width by-value datum tuplesort - percentile_disc(0.99) WITHIN GROUP (ORDER BY id), - -- ensure state is shared - percentile_disc(0.01) WITHIN GROUP (ORDER BY id), - -- fixed width by-ref datum tuplesort - percentile_disc(0.8) WITHIN GROUP (ORDER BY abort_increasing), - -- variable width by-ref datum tuplesort - percentile_disc(0.2) WITHIN GROUP (ORDER BY id::text), - -- multi-column tuplesort - rank('00000000-0000-0000-0000-000000000000', '2', '2') WITHIN GROUP (ORDER BY noabort_increasing, id, id::text) -FROM ( - SELECT * FROM abbrev_abort_uuids - UNION ALL - SELECT NULL, NULL, NULL, NULL, NULL) s; - array_agg | array_agg | array_agg | percentile_disc | percentile_disc | percentile_disc | percentile_disc | rank ---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------+-----------------+-----------------+--------------------------------------+-----------------+------ - {NULL,20010,20009,20008,20007} | {00000000-0000-0000-0000-000000020000,00000000-0000-0000-0000-000000020000,00000000-0000-0000-0000-000000019999,00000000-0000-0000-0000-000000019998,00000000-0000-0000-0000-000000019997} | {9999,9998,9997,9996,9995} | 19810 | 200 | 00000000-0000-0000-0000-000000016003 | 136 | 2 -(1 row) - --- disk based (see also above) -BEGIN; -SET LOCAL work_mem = '100kB'; -SELECT - (array_agg(id ORDER BY id DESC NULLS FIRST))[0:5], - (array_agg(abort_increasing ORDER BY abort_increasing DESC NULLS LAST))[0:5], - (array_agg(id::text ORDER BY id::text DESC NULLS LAST))[0:5], - percentile_disc(0.99) WITHIN GROUP (ORDER BY id), - percentile_disc(0.01) WITHIN GROUP (ORDER BY id), - percentile_disc(0.8) WITHIN GROUP (ORDER BY abort_increasing), - percentile_disc(0.2) WITHIN GROUP (ORDER BY id::text), - rank('00000000-0000-0000-0000-000000000000', '2', '2') WITHIN GROUP (ORDER BY noabort_increasing, id, id::text) -FROM ( - SELECT * FROM abbrev_abort_uuids - UNION ALL - SELECT NULL, NULL, NULL, NULL, NULL) s; - array_agg | array_agg | array_agg | percentile_disc | percentile_disc | percentile_disc | percentile_disc | rank ---------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------+-----------------+-----------------+--------------------------------------+-----------------+------ - {NULL,20010,20009,20008,20007} | {00000000-0000-0000-0000-000000020000,00000000-0000-0000-0000-000000020000,00000000-0000-0000-0000-000000019999,00000000-0000-0000-0000-000000019998,00000000-0000-0000-0000-000000019997} | {9999,9998,9997,9996,9995} | 19810 | 200 | 00000000-0000-0000-0000-000000016003 | 136 | 2 -(1 row) - -ROLLBACK; ----- --- test tuplesort mark/restore ---- -CREATE TEMP TABLE test_mark_restore(col1 int, col2 int, col12 int); --- need a few duplicates for mark/restore to matter -INSERT INTO test_mark_restore(col1, col2, col12) - SELECT a.i, b.i, a.i * b.i FROM generate_series(1, 500) a(i), generate_series(1, 5) b(i); -BEGIN; -SET LOCAL enable_nestloop = off; -SET LOCAL enable_hashjoin = off; -SET LOCAL enable_material = off; --- set query into variable once, to avoid repetition of the fairly long query -SELECT $$ - SELECT col12, count(distinct a.col1), count(distinct a.col2), count(distinct b.col1), count(distinct b.col2), count(*) - FROM test_mark_restore a - JOIN test_mark_restore b USING(col12) - GROUP BY 1 - HAVING count(*) > 1 - ORDER BY 2 DESC, 1 DESC, 3 DESC, 4 DESC, 5 DESC, 6 DESC - LIMIT 10 -$$ AS qry \gset --- test mark/restore with in-memory sorts -EXPLAIN (COSTS OFF) :qry; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Limit - -> Sort - Sort Key: (count(DISTINCT a.col1)) DESC, a.col12 DESC, (count(DISTINCT a.col2)) DESC, (count(DISTINCT b.col1)) DESC, (count(DISTINCT b.col2)) DESC, (count(*)) DESC - -> GroupAggregate - Group Key: a.col12 - Filter: (count(*) > 1) - -> Incremental Sort - Sort Key: a.col12 DESC, a.col1 - Presorted Key: a.col12 - -> Merge Join - Merge Cond: (a.col12 = b.col12) - -> Sort - Sort Key: a.col12 DESC - -> Seq Scan on test_mark_restore a - -> Sort - Sort Key: b.col12 DESC - -> Seq Scan on test_mark_restore b -(17 rows) - -:qry; - col12 | count | count | count | count | count --------+-------+-------+-------+-------+------- - 480 | 5 | 5 | 5 | 5 | 25 - 420 | 5 | 5 | 5 | 5 | 25 - 360 | 5 | 5 | 5 | 5 | 25 - 300 | 5 | 5 | 5 | 5 | 25 - 240 | 5 | 5 | 5 | 5 | 25 - 180 | 5 | 5 | 5 | 5 | 25 - 120 | 5 | 5 | 5 | 5 | 25 - 60 | 5 | 5 | 5 | 5 | 25 - 960 | 4 | 4 | 4 | 4 | 16 - 900 | 4 | 4 | 4 | 4 | 16 -(10 rows) - --- test mark/restore with on-disk sorts -SET LOCAL work_mem = '100kB'; -EXPLAIN (COSTS OFF) :qry; - QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - Limit - -> Sort - Sort Key: (count(DISTINCT a.col1)) DESC, a.col12 DESC, (count(DISTINCT a.col2)) DESC, (count(DISTINCT b.col1)) DESC, (count(DISTINCT b.col2)) DESC, (count(*)) DESC - -> GroupAggregate - Group Key: a.col12 - Filter: (count(*) > 1) - -> Incremental Sort - Sort Key: a.col12 DESC, a.col1 - Presorted Key: a.col12 - -> Merge Join - Merge Cond: (a.col12 = b.col12) - -> Sort - Sort Key: a.col12 DESC - -> Seq Scan on test_mark_restore a - -> Sort - Sort Key: b.col12 DESC - -> Seq Scan on test_mark_restore b -(17 rows) - -:qry; - col12 | count | count | count | count | count --------+-------+-------+-------+-------+------- - 480 | 5 | 5 | 5 | 5 | 25 - 420 | 5 | 5 | 5 | 5 | 25 - 360 | 5 | 5 | 5 | 5 | 25 - 300 | 5 | 5 | 5 | 5 | 25 - 240 | 5 | 5 | 5 | 5 | 25 - 180 | 5 | 5 | 5 | 5 | 25 - 120 | 5 | 5 | 5 | 5 | 25 - 60 | 5 | 5 | 5 | 5 | 25 - 960 | 4 | 4 | 4 | 4 | 16 - 900 | 4 | 4 | 4 | 4 | 16 -(10 rows) - -COMMIT; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/explain.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/explain.out --- /tmp/cirrus-ci-build/src/test/regress/expected/explain.out 2025-06-04 16:00:28.734740000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/explain.out 2025-06-04 16:05:11.685258000 +0000 @@ -1,816 +1,2 @@ --- --- EXPLAIN --- --- There are many test cases elsewhere that use EXPLAIN as a vehicle for --- checking something else (usually planner behavior). This file is --- concerned with testing EXPLAIN in its own right. --- --- To produce stable regression test output, it's usually necessary to --- ignore details such as exact costs or row counts. These filter --- functions replace changeable output details with fixed strings. -create function explain_filter(text) returns setof text -language plpgsql as -$$ -declare - ln text; -begin - for ln in execute $1 - loop - -- Replace any numeric word with just 'N' - ln := regexp_replace(ln, '-?\m\d+\M', 'N', 'g'); - -- In sort output, the above won't match units-suffixed numbers - ln := regexp_replace(ln, '\m\d+kB', 'NkB', 'g'); - -- Ignore text-mode buffers output because it varies depending - -- on the system state - CONTINUE WHEN (ln ~ ' +Buffers: .*'); - -- Ignore text-mode "Planning:" line because whether it's output - -- varies depending on the system state - CONTINUE WHEN (ln = 'Planning:'); - return next ln; - end loop; -end; -$$; --- To produce valid JSON output, replace numbers with "0" or "0.0" not "N" -create function explain_filter_to_json(text) returns jsonb -language plpgsql as -$$ -declare - data text := ''; - ln text; -begin - for ln in execute $1 - loop - -- Replace any numeric word with just '0' - ln := regexp_replace(ln, '\m\d+\M', '0', 'g'); - data := data || ln; - end loop; - return data::jsonb; -end; -$$; --- Disable JIT, or we'll get different output on machines where that's been --- forced on -set jit = off; --- Similarly, disable track_io_timing, to avoid output differences when --- enabled. -set track_io_timing = off; --- Simple cases -select explain_filter('explain select * from int8_tbl i8'); - explain_filter ---------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) -(1 row) - -select explain_filter('explain (analyze, buffers off) select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Execution Time: N.N ms -(3 rows) - -select explain_filter('explain (analyze, buffers off, verbose) select * from int8_tbl i8'); - explain_filter --------------------------------------------------------------------------------------------------------- - Seq Scan on public.int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Output: q1, q2 - Planning Time: N.N ms - Execution Time: N.N ms -(4 rows) - -select explain_filter('explain (analyze, buffers, format text) select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Execution Time: N.N ms -(3 rows) - -select explain_filter('explain (analyze, buffers, format xml) select * from int8_tbl i8'); - explain_filter --------------------------------------------------------- - + - + - + - Seq Scan + - false + - false + - int8_tbl + - i8 + - N.N + - N.N + - N + - N + - N.N + - N.N + - N.N + - N + - false + - N + - N + - N+ - N+ - N + - N + - N + - N + - N + - N + - + - + - N + - N + - N+ - N+ - N + - N + - N + - N + - N + - N + - + - N.N + - + - + - N.N + - + - -(1 row) - -select explain_filter('explain (analyze, serialize, buffers, format yaml) select * from int8_tbl i8'); - explain_filter -------------------------------- - - Plan: + - Node Type: "Seq Scan" + - Parallel Aware: false + - Async Capable: false + - Relation Name: "int8_tbl"+ - Alias: "i8" + - Startup Cost: N.N + - Total Cost: N.N + - Plan Rows: N + - Plan Width: N + - Actual Startup Time: N.N + - Actual Total Time: N.N + - Actual Rows: N.N + - Actual Loops: N + - Disabled: false + - Shared Hit Blocks: N + - Shared Read Blocks: N + - Shared Dirtied Blocks: N + - Shared Written Blocks: N + - Local Hit Blocks: N + - Local Read Blocks: N + - Local Dirtied Blocks: N + - Local Written Blocks: N + - Temp Read Blocks: N + - Temp Written Blocks: N + - Planning: + - Shared Hit Blocks: N + - Shared Read Blocks: N + - Shared Dirtied Blocks: N + - Shared Written Blocks: N + - Local Hit Blocks: N + - Local Read Blocks: N + - Local Dirtied Blocks: N + - Local Written Blocks: N + - Temp Read Blocks: N + - Temp Written Blocks: N + - Planning Time: N.N + - Triggers: + - Serialization: + - Time: N.N + - Output Volume: N + - Format: "text" + - Shared Hit Blocks: N + - Shared Read Blocks: N + - Shared Dirtied Blocks: N + - Shared Written Blocks: N + - Local Hit Blocks: N + - Local Read Blocks: N + - Local Dirtied Blocks: N + - Local Written Blocks: N + - Temp Read Blocks: N + - Temp Written Blocks: N + - Execution Time: N.N -(1 row) - -select explain_filter('explain (buffers, format text) select * from int8_tbl i8'); - explain_filter ---------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) -(1 row) - -select explain_filter('explain (buffers, format json) select * from int8_tbl i8'); - explain_filter ------------------------------------- - [ + - { + - "Plan": { + - "Node Type": "Seq Scan", + - "Parallel Aware": false, + - "Async Capable": false, + - "Relation Name": "int8_tbl",+ - "Alias": "i8", + - "Startup Cost": N.N, + - "Total Cost": N.N, + - "Plan Rows": N, + - "Plan Width": N, + - "Disabled": false, + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N + - }, + - "Planning": { + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N + - } + - } + - ] -(1 row) - --- Check expansion of window definitions -select explain_filter('explain verbose select sum(unique1) over w, sum(unique2) over (w order by hundred), sum(tenthous) over (w order by hundred) from tenk1 window w as (partition by ten)'); - explain_filter -------------------------------------------------------------------------------------------------------- - WindowAgg (cost=N.N..N.N rows=N width=N) - Output: sum(unique1) OVER w, (sum(unique2) OVER w1), (sum(tenthous) OVER w1), ten, hundred - Window: w AS (PARTITION BY tenk1.ten) - -> WindowAgg (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous, sum(unique2) OVER w1, sum(tenthous) OVER w1 - Window: w1 AS (PARTITION BY tenk1.ten ORDER BY tenk1.hundred) - -> Sort (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous - Sort Key: tenk1.ten, tenk1.hundred - -> Seq Scan on public.tenk1 (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous -(11 rows) - -select explain_filter('explain verbose select sum(unique1) over w1, sum(unique2) over (w1 order by hundred), sum(tenthous) over (w1 order by hundred rows 10 preceding) from tenk1 window w1 as (partition by ten)'); - explain_filter ---------------------------------------------------------------------------------------------------------- - WindowAgg (cost=N.N..N.N rows=N width=N) - Output: sum(unique1) OVER w1, (sum(unique2) OVER w2), (sum(tenthous) OVER w3), ten, hundred - Window: w1 AS (PARTITION BY tenk1.ten) - -> WindowAgg (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous, (sum(unique2) OVER w2), sum(tenthous) OVER w3 - Window: w3 AS (PARTITION BY tenk1.ten ORDER BY tenk1.hundred ROWS 'N'::bigint PRECEDING) - -> WindowAgg (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous, sum(unique2) OVER w2 - Window: w2 AS (PARTITION BY tenk1.ten ORDER BY tenk1.hundred) - -> Sort (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous - Sort Key: tenk1.ten, tenk1.hundred - -> Seq Scan on public.tenk1 (cost=N.N..N.N rows=N width=N) - Output: ten, hundred, unique1, unique2, tenthous -(14 rows) - --- Check output including I/O timings. These fields are conditional --- but always set in JSON format, so check them only in this case. -set track_io_timing = on; -select explain_filter('explain (analyze, buffers, format json) select * from int8_tbl i8'); - explain_filter -------------------------------------- - [ + - { + - "Plan": { + - "Node Type": "Seq Scan", + - "Parallel Aware": false, + - "Async Capable": false, + - "Relation Name": "int8_tbl", + - "Alias": "i8", + - "Startup Cost": N.N, + - "Total Cost": N.N, + - "Plan Rows": N, + - "Plan Width": N, + - "Actual Startup Time": N.N, + - "Actual Total Time": N.N, + - "Actual Rows": N.N, + - "Actual Loops": N, + - "Disabled": false, + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N, + - "Shared I/O Read Time": N.N, + - "Shared I/O Write Time": N.N,+ - "Local I/O Read Time": N.N, + - "Local I/O Write Time": N.N, + - "Temp I/O Read Time": N.N, + - "Temp I/O Write Time": N.N + - }, + - "Planning": { + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N, + - "Shared I/O Read Time": N.N, + - "Shared I/O Write Time": N.N,+ - "Local I/O Read Time": N.N, + - "Local I/O Write Time": N.N, + - "Temp I/O Read Time": N.N, + - "Temp I/O Write Time": N.N + - }, + - "Planning Time": N.N, + - "Triggers": [ + - ], + - "Execution Time": N.N + - } + - ] -(1 row) - -set track_io_timing = off; --- SETTINGS option --- We have to ignore other settings that might be imposed by the environment, --- so printing the whole Settings field unfortunately won't do. -begin; -set local plan_cache_mode = force_generic_plan; -select true as "OK" - from explain_filter('explain (settings) select * from int8_tbl i8') ln - where ln ~ '^ *Settings: .*plan_cache_mode = ''force_generic_plan'''; - OK ----- - t -(1 row) - -select explain_filter_to_json('explain (settings, format json) select * from int8_tbl i8') #> '{0,Settings,plan_cache_mode}'; - ?column? ----------------------- - "force_generic_plan" -(1 row) - -rollback; --- GENERIC_PLAN option -select explain_filter('explain (generic_plan) select unique1 from tenk1 where thousand = $1'); - explain_filter ---------------------------------------------------------------------------------- - Bitmap Heap Scan on tenk1 (cost=N.N..N.N rows=N width=N) - Recheck Cond: (thousand = $N) - -> Bitmap Index Scan on tenk1_thous_tenthous (cost=N.N..N.N rows=N width=N) - Index Cond: (thousand = $N) -(4 rows) - --- should fail -select explain_filter('explain (analyze, generic_plan) select unique1 from tenk1 where thousand = $1'); -ERROR: EXPLAIN options ANALYZE and GENERIC_PLAN cannot be used together -CONTEXT: PL/pgSQL function explain_filter(text) line 5 at FOR over EXECUTE statement --- MEMORY option -select explain_filter('explain (memory) select * from int8_tbl i8'); - explain_filter ---------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) - Memory: used=NkB allocated=NkB -(2 rows) - -select explain_filter('explain (memory, analyze, buffers off) select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Memory: used=NkB allocated=NkB - Planning Time: N.N ms - Execution Time: N.N ms -(4 rows) - -select explain_filter('explain (memory, summary, format yaml) select * from int8_tbl i8'); - explain_filter -------------------------------- - - Plan: + - Node Type: "Seq Scan" + - Parallel Aware: false + - Async Capable: false + - Relation Name: "int8_tbl"+ - Alias: "i8" + - Startup Cost: N.N + - Total Cost: N.N + - Plan Rows: N + - Plan Width: N + - Disabled: false + - Planning: + - Memory Used: N + - Memory Allocated: N + - Planning Time: N.N -(1 row) - -select explain_filter('explain (memory, analyze, format json) select * from int8_tbl i8'); - explain_filter ------------------------------------- - [ + - { + - "Plan": { + - "Node Type": "Seq Scan", + - "Parallel Aware": false, + - "Async Capable": false, + - "Relation Name": "int8_tbl",+ - "Alias": "i8", + - "Startup Cost": N.N, + - "Total Cost": N.N, + - "Plan Rows": N, + - "Plan Width": N, + - "Actual Startup Time": N.N, + - "Actual Total Time": N.N, + - "Actual Rows": N.N, + - "Actual Loops": N, + - "Disabled": false, + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N + - }, + - "Planning": { + - "Shared Hit Blocks": N, + - "Shared Read Blocks": N, + - "Shared Dirtied Blocks": N, + - "Shared Written Blocks": N, + - "Local Hit Blocks": N, + - "Local Read Blocks": N, + - "Local Dirtied Blocks": N, + - "Local Written Blocks": N, + - "Temp Read Blocks": N, + - "Temp Written Blocks": N, + - "Memory Used": N, + - "Memory Allocated": N + - }, + - "Planning Time": N.N, + - "Triggers": [ + - ], + - "Execution Time": N.N + - } + - ] -(1 row) - -prepare int8_query as select * from int8_tbl i8; -select explain_filter('explain (memory) execute int8_query'); - explain_filter ---------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) - Memory: used=NkB allocated=NkB -(2 rows) - --- Test EXPLAIN (GENERIC_PLAN) with partition pruning --- partitions should be pruned at plan time, based on constants, --- but there should be no pruning based on parameter placeholders -create table gen_part ( - key1 integer not null, - key2 integer not null -) partition by list (key1); -create table gen_part_1 - partition of gen_part for values in (1) - partition by range (key2); -create table gen_part_1_1 - partition of gen_part_1 for values from (1) to (2); -create table gen_part_1_2 - partition of gen_part_1 for values from (2) to (3); -create table gen_part_2 - partition of gen_part for values in (2); --- should scan gen_part_1_1 and gen_part_1_2, but not gen_part_2 -select explain_filter('explain (generic_plan) select key1, key2 from gen_part where key1 = 1 and key2 = $1'); - explain_filter ---------------------------------------------------------------------------- - Append (cost=N.N..N.N rows=N width=N) - -> Seq Scan on gen_part_1_1 gen_part_1 (cost=N.N..N.N rows=N width=N) - Filter: ((key1 = N) AND (key2 = $N)) - -> Seq Scan on gen_part_1_2 gen_part_2 (cost=N.N..N.N rows=N width=N) - Filter: ((key1 = N) AND (key2 = $N)) -(5 rows) - -drop table gen_part; --- --- Test production of per-worker data --- --- Unfortunately, because we don't know how many worker processes we'll --- actually get (maybe none at all), we can't examine the "Workers" output --- in any detail. We can check that it parses correctly as JSON, and then --- remove it from the displayed results. -begin; --- encourage use of parallel plans -set parallel_setup_cost=0; -set parallel_tuple_cost=0; -set min_parallel_table_scan_size=0; -set max_parallel_workers_per_gather=4; -select jsonb_pretty( - explain_filter_to_json('explain (analyze, verbose, buffers, format json) - select * from tenk1 order by tenthous') - -- remove "Workers" node of the Seq Scan plan node - #- '{0,Plan,Plans,0,Plans,0,Workers}' - -- remove "Workers" node of the Sort plan node - #- '{0,Plan,Plans,0,Workers}' - -- Also remove its sort-type fields, as those aren't 100% stable - #- '{0,Plan,Plans,0,Sort Method}' - #- '{0,Plan,Plans,0,Sort Space Type}' -); - jsonb_pretty -------------------------------------------------------------- - [ + - { + - "Plan": { + - "Plans": [ + - { + - "Plans": [ + - { + - "Alias": "tenk1", + - "Output": [ + - "unique1", + - "unique2", + - "two", + - "four", + - "ten", + - "twenty", + - "hundred", + - "thousand", + - "twothousand", + - "fivethous", + - "tenthous", + - "odd", + - "even", + - "stringu1", + - "stringu2", + - "string4" + - ], + - "Schema": "public", + - "Disabled": false, + - "Node Type": "Seq Scan", + - "Plan Rows": 0, + - "Plan Width": 0, + - "Total Cost": 0.0, + - "Actual Rows": 0.0, + - "Actual Loops": 0, + - "Startup Cost": 0.0, + - "Async Capable": false, + - "Relation Name": "tenk1", + - "Parallel Aware": true, + - "Local Hit Blocks": 0, + - "Temp Read Blocks": 0, + - "Actual Total Time": 0.0, + - "Local Read Blocks": 0, + - "Shared Hit Blocks": 0, + - "Shared Read Blocks": 0, + - "Actual Startup Time": 0.0, + - "Parent Relationship": "Outer",+ - "Temp Written Blocks": 0, + - "Local Dirtied Blocks": 0, + - "Local Written Blocks": 0, + - "Shared Dirtied Blocks": 0, + - "Shared Written Blocks": 0 + - } + - ], + - "Output": [ + - "unique1", + - "unique2", + - "two", + - "four", + - "ten", + - "twenty", + - "hundred", + - "thousand", + - "twothousand", + - "fivethous", + - "tenthous", + - "odd", + - "even", + - "stringu1", + - "stringu2", + - "string4" + - ], + - "Disabled": false, + - "Sort Key": [ + - "tenk1.tenthous" + - ], + - "Node Type": "Sort", + - "Plan Rows": 0, + - "Plan Width": 0, + - "Total Cost": 0.0, + - "Actual Rows": 0.0, + - "Actual Loops": 0, + - "Startup Cost": 0.0, + - "Async Capable": false, + - "Parallel Aware": false, + - "Sort Space Used": 0, + - "Local Hit Blocks": 0, + - "Temp Read Blocks": 0, + - "Actual Total Time": 0.0, + - "Local Read Blocks": 0, + - "Shared Hit Blocks": 0, + - "Shared Read Blocks": 0, + - "Actual Startup Time": 0.0, + - "Parent Relationship": "Outer", + - "Temp Written Blocks": 0, + - "Local Dirtied Blocks": 0, + - "Local Written Blocks": 0, + - "Shared Dirtied Blocks": 0, + - "Shared Written Blocks": 0 + - } + - ], + - "Output": [ + - "unique1", + - "unique2", + - "two", + - "four", + - "ten", + - "twenty", + - "hundred", + - "thousand", + - "twothousand", + - "fivethous", + - "tenthous", + - "odd", + - "even", + - "stringu1", + - "stringu2", + - "string4" + - ], + - "Disabled": false, + - "Node Type": "Gather Merge", + - "Plan Rows": 0, + - "Plan Width": 0, + - "Total Cost": 0.0, + - "Actual Rows": 0.0, + - "Actual Loops": 0, + - "Startup Cost": 0.0, + - "Async Capable": false, + - "Parallel Aware": false, + - "Workers Planned": 0, + - "Local Hit Blocks": 0, + - "Temp Read Blocks": 0, + - "Workers Launched": 0, + - "Actual Total Time": 0.0, + - "Local Read Blocks": 0, + - "Shared Hit Blocks": 0, + - "Shared Read Blocks": 0, + - "Actual Startup Time": 0.0, + - "Temp Written Blocks": 0, + - "Local Dirtied Blocks": 0, + - "Local Written Blocks": 0, + - "Shared Dirtied Blocks": 0, + - "Shared Written Blocks": 0 + - }, + - "Planning": { + - "Local Hit Blocks": 0, + - "Temp Read Blocks": 0, + - "Local Read Blocks": 0, + - "Shared Hit Blocks": 0, + - "Shared Read Blocks": 0, + - "Temp Written Blocks": 0, + - "Local Dirtied Blocks": 0, + - "Local Written Blocks": 0, + - "Shared Dirtied Blocks": 0, + - "Shared Written Blocks": 0 + - }, + - "Triggers": [ + - ], + - "Planning Time": 0.0, + - "Execution Time": 0.0 + - } + - ] -(1 row) - -rollback; --- Test display of temporary objects -create temp table t1(f1 float8); -create function pg_temp.mysin(float8) returns float8 language plpgsql -as 'begin return sin($1); end'; -select explain_filter('explain (verbose) select * from t1 where pg_temp.mysin(f1) < 0.5'); - explain_filter ------------------------------------------------------------- - Seq Scan on pg_temp.t1 (cost=N.N..N.N rows=N width=N) - Output: f1 - Filter: (pg_temp.mysin(t1.f1) < 'N.N'::double precision) -(3 rows) - --- Test compute_query_id -set compute_query_id = on; -select explain_filter('explain (verbose) select * from int8_tbl i8'); - explain_filter ----------------------------------------------------------------- - Seq Scan on public.int8_tbl i8 (cost=N.N..N.N rows=N width=N) - Output: q1, q2 - Query Identifier: N -(3 rows) - --- Test compute_query_id with utility statements containing plannable query -select explain_filter('explain (verbose) declare test_cur cursor for select * from int8_tbl'); - explain_filter -------------------------------------------------------------- - Seq Scan on public.int8_tbl (cost=N.N..N.N rows=N width=N) - Output: q1, q2 - Query Identifier: N -(3 rows) - -select explain_filter('explain (verbose) create table test_ctas as select 1'); - explain_filter ----------------------------------------- - Result (cost=N.N..N.N rows=N width=N) - Output: N - Query Identifier: N -(3 rows) - --- Test SERIALIZE option -select explain_filter('explain (analyze,buffers off,serialize) select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Serialization: time=N.N ms output=NkB format=text - Execution Time: N.N ms -(4 rows) - -select explain_filter('explain (analyze,serialize text,buffers,timing off) select * from int8_tbl i8'); - explain_filter ------------------------------------------------------------------------------------ - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual rows=N.N loops=N) - Planning Time: N.N ms - Serialization: output=NkB format=text - Execution Time: N.N ms -(4 rows) - -select explain_filter('explain (analyze,serialize binary,buffers,timing) select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Serialization: time=N.N ms output=NkB format=binary - Execution Time: N.N ms -(4 rows) - --- this tests an edge case where we have no data to return -select explain_filter('explain (analyze,buffers off,serialize) create temp table explain_temp as select * from int8_tbl i8'); - explain_filter -------------------------------------------------------------------------------------------------- - Seq Scan on int8_tbl i8 (cost=N.N..N.N rows=N width=N) (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Serialization: time=N.N ms output=NkB format=text - Execution Time: N.N ms -(4 rows) - --- Test tuplestore storage usage in Window aggregate (memory case) -select explain_filter('explain (analyze,buffers off,costs off) select sum(n) over() from generate_series(1,10) a(n)'); - explain_filter ----------------------------------------------------------------------------------- - WindowAgg (actual time=N.N..N.N rows=N.N loops=N) - Window: w1 AS () - Storage: Memory Maximum Storage: NkB - -> Function Scan on generate_series a (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Execution Time: N.N ms -(6 rows) - --- Test tuplestore storage usage in Window aggregate (disk case) -set work_mem to 64; -select explain_filter('explain (analyze,buffers off,costs off) select sum(n) over() from generate_series(1,2500) a(n)'); - explain_filter ----------------------------------------------------------------------------------- - WindowAgg (actual time=N.N..N.N rows=N.N loops=N) - Window: w1 AS () - Storage: Disk Maximum Storage: NkB - -> Function Scan on generate_series a (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Execution Time: N.N ms -(6 rows) - --- Test tuplestore storage usage in Window aggregate (memory and disk case, final result is disk) -select explain_filter('explain (analyze,buffers off,costs off) select sum(n) over(partition by m) from (SELECT n < 3 as m, n from generate_series(1,2500) a(n))'); - explain_filter ----------------------------------------------------------------------------------------- - WindowAgg (actual time=N.N..N.N rows=N.N loops=N) - Window: w1 AS (PARTITION BY ((a.n < N))) - Storage: Disk Maximum Storage: NkB - -> Sort (actual time=N.N..N.N rows=N.N loops=N) - Sort Key: ((a.n < N)) - Sort Method: external merge Disk: NkB - -> Function Scan on generate_series a (actual time=N.N..N.N rows=N.N loops=N) - Planning Time: N.N ms - Execution Time: N.N ms -(9 rows) - -reset work_mem; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/compression_1.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/compression.out --- /tmp/cirrus-ci-build/src/test/regress/expected/compression_1.out 2025-06-04 16:00:28.723968000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/compression.out 2025-06-04 16:05:11.691417000 +0000 @@ -1,360 +1,2 @@ -\set HIDE_TOAST_COMPRESSION false --- ensure we get stable results regardless of installation's default -SET default_toast_compression = 'pglz'; --- test creating table with compression method -CREATE TABLE cmdata(f1 text COMPRESSION pglz); -CREATE INDEX idx ON cmdata(f1); -INSERT INTO cmdata VALUES(repeat('1234567890', 1000)); -\d+ cmdata - Table "public.cmdata" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | pglz | | -Indexes: - "idx" btree (f1) - -CREATE TABLE cmdata1(f1 TEXT COMPRESSION lz4); -ERROR: compression method lz4 not supported -DETAIL: This functionality requires the server to be built with lz4 support. -INSERT INTO cmdata1 VALUES(repeat('1234567890', 1004)); -ERROR: relation "cmdata1" does not exist -LINE 1: INSERT INTO cmdata1 VALUES(repeat('1234567890', 1004)); - ^ -\d+ cmdata1 --- verify stored compression method in the data -SELECT pg_column_compression(f1) FROM cmdata; - pg_column_compression ------------------------ - pglz -(1 row) - -SELECT pg_column_compression(f1) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT pg_column_compression(f1) FROM cmdata1; - ^ --- decompress data slice -SELECT SUBSTR(f1, 200, 5) FROM cmdata; - substr --------- - 01234 -(1 row) - -SELECT SUBSTR(f1, 2000, 50) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT SUBSTR(f1, 2000, 50) FROM cmdata1; - ^ --- copy with table creation -SELECT * INTO cmmove1 FROM cmdata; -\d+ cmmove1 - Table "public.cmmove1" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | | | - -SELECT pg_column_compression(f1) FROM cmmove1; - pg_column_compression ------------------------ - pglz -(1 row) - --- copy to existing table -CREATE TABLE cmmove3(f1 text COMPRESSION pglz); -INSERT INTO cmmove3 SELECT * FROM cmdata; -INSERT INTO cmmove3 SELECT * FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: INSERT INTO cmmove3 SELECT * FROM cmdata1; - ^ -SELECT pg_column_compression(f1) FROM cmmove3; - pg_column_compression ------------------------ - pglz -(1 row) - --- test LIKE INCLUDING COMPRESSION -CREATE TABLE cmdata2 (LIKE cmdata1 INCLUDING COMPRESSION); -ERROR: relation "cmdata1" does not exist -LINE 1: CREATE TABLE cmdata2 (LIKE cmdata1 INCLUDING COMPRESSION); - ^ -\d+ cmdata2 -DROP TABLE cmdata2; -ERROR: table "cmdata2" does not exist --- try setting compression for incompressible data type -CREATE TABLE cmdata2 (f1 int COMPRESSION pglz); -ERROR: column data type integer does not support compression --- update using datum from different table -CREATE TABLE cmmove2(f1 text COMPRESSION pglz); -INSERT INTO cmmove2 VALUES (repeat('1234567890', 1004)); -SELECT pg_column_compression(f1) FROM cmmove2; - pg_column_compression ------------------------ - pglz -(1 row) - -UPDATE cmmove2 SET f1 = cmdata1.f1 FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: UPDATE cmmove2 SET f1 = cmdata1.f1 FROM cmdata1; - ^ -SELECT pg_column_compression(f1) FROM cmmove2; - pg_column_compression ------------------------ - pglz -(1 row) - --- test externally stored compressed data -CREATE OR REPLACE FUNCTION large_val() RETURNS TEXT LANGUAGE SQL AS -'select array_agg(fipshash(g::text))::text from generate_series(1, 256) g'; -CREATE TABLE cmdata2 (f1 text COMPRESSION pglz); -INSERT INTO cmdata2 SELECT large_val() || repeat('a', 4000); -SELECT pg_column_compression(f1) FROM cmdata2; - pg_column_compression ------------------------ - pglz -(1 row) - -INSERT INTO cmdata1 SELECT large_val() || repeat('a', 4000); -ERROR: relation "cmdata1" does not exist -LINE 1: INSERT INTO cmdata1 SELECT large_val() || repeat('a', 4000); - ^ -SELECT pg_column_compression(f1) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT pg_column_compression(f1) FROM cmdata1; - ^ -SELECT SUBSTR(f1, 200, 5) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT SUBSTR(f1, 200, 5) FROM cmdata1; - ^ -SELECT SUBSTR(f1, 200, 5) FROM cmdata2; - substr --------- - 79026 -(1 row) - -DROP TABLE cmdata2; ---test column type update varlena/non-varlena -CREATE TABLE cmdata2 (f1 int); -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+---------+-----------+----------+---------+---------+-------------+--------------+------------- - f1 | integer | | | | plain | | | - -ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE varchar; -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+-------------------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | character varying | | | | extended | | | - -ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE int USING f1::integer; -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+---------+-----------+----------+---------+---------+-------------+--------------+------------- - f1 | integer | | | | plain | | | - ---changing column storage should not impact the compression method ---but the data should not be compressed -ALTER TABLE cmdata2 ALTER COLUMN f1 TYPE varchar; -ALTER TABLE cmdata2 ALTER COLUMN f1 SET COMPRESSION pglz; -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+-------------------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | character varying | | | | extended | pglz | | - -ALTER TABLE cmdata2 ALTER COLUMN f1 SET STORAGE plain; -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+-------------------+-----------+----------+---------+---------+-------------+--------------+------------- - f1 | character varying | | | | plain | pglz | | - -INSERT INTO cmdata2 VALUES (repeat('123456789', 800)); -SELECT pg_column_compression(f1) FROM cmdata2; - pg_column_compression ------------------------ - -(1 row) - --- test compression with materialized view -CREATE MATERIALIZED VIEW compressmv(x) AS SELECT * FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: ...TE MATERIALIZED VIEW compressmv(x) AS SELECT * FROM cmdata1; - ^ -\d+ compressmv -SELECT pg_column_compression(f1) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT pg_column_compression(f1) FROM cmdata1; - ^ -SELECT pg_column_compression(x) FROM compressmv; -ERROR: relation "compressmv" does not exist -LINE 1: SELECT pg_column_compression(x) FROM compressmv; - ^ --- test compression with partition -CREATE TABLE cmpart(f1 text COMPRESSION lz4) PARTITION BY HASH(f1); -ERROR: compression method lz4 not supported -DETAIL: This functionality requires the server to be built with lz4 support. -CREATE TABLE cmpart1 PARTITION OF cmpart FOR VALUES WITH (MODULUS 2, REMAINDER 0); -ERROR: relation "cmpart" does not exist -CREATE TABLE cmpart2(f1 text COMPRESSION pglz); -ALTER TABLE cmpart ATTACH PARTITION cmpart2 FOR VALUES WITH (MODULUS 2, REMAINDER 1); -ERROR: relation "cmpart" does not exist -INSERT INTO cmpart VALUES (repeat('123456789', 1004)); -ERROR: relation "cmpart" does not exist -LINE 1: INSERT INTO cmpart VALUES (repeat('123456789', 1004)); - ^ -INSERT INTO cmpart VALUES (repeat('123456789', 4004)); -ERROR: relation "cmpart" does not exist -LINE 1: INSERT INTO cmpart VALUES (repeat('123456789', 4004)); - ^ -SELECT pg_column_compression(f1) FROM cmpart1; -ERROR: relation "cmpart1" does not exist -LINE 1: SELECT pg_column_compression(f1) FROM cmpart1; - ^ -SELECT pg_column_compression(f1) FROM cmpart2; - pg_column_compression ------------------------ -(0 rows) - --- test compression with inheritance -CREATE TABLE cminh() INHERITS(cmdata, cmdata1); -- error -ERROR: relation "cmdata1" does not exist -CREATE TABLE cminh(f1 TEXT COMPRESSION lz4) INHERITS(cmdata); -- error -NOTICE: merging column "f1" with inherited definition -ERROR: column "f1" has a compression method conflict -DETAIL: pglz versus lz4 -CREATE TABLE cmdata3(f1 text); -CREATE TABLE cminh() INHERITS (cmdata, cmdata3); -NOTICE: merging multiple inherited definitions of column "f1" --- test default_toast_compression GUC -SET default_toast_compression = ''; -ERROR: invalid value for parameter "default_toast_compression": "" -HINT: Available values: pglz. -SET default_toast_compression = 'I do not exist compression'; -ERROR: invalid value for parameter "default_toast_compression": "I do not exist compression" -HINT: Available values: pglz. -SET default_toast_compression = 'lz4'; -ERROR: invalid value for parameter "default_toast_compression": "lz4" -HINT: Available values: pglz. -SET default_toast_compression = 'pglz'; --- test alter compression method -ALTER TABLE cmdata ALTER COLUMN f1 SET COMPRESSION lz4; -ERROR: compression method lz4 not supported -DETAIL: This functionality requires the server to be built with lz4 support. -INSERT INTO cmdata VALUES (repeat('123456789', 4004)); -\d+ cmdata - Table "public.cmdata" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+------+-----------+----------+---------+----------+-------------+--------------+------------- - f1 | text | | | | extended | pglz | | -Indexes: - "idx" btree (f1) -Child tables: cminh - -SELECT pg_column_compression(f1) FROM cmdata; - pg_column_compression ------------------------ - pglz - pglz -(2 rows) - -ALTER TABLE cmdata2 ALTER COLUMN f1 SET COMPRESSION default; -\d+ cmdata2 - Table "public.cmdata2" - Column | Type | Collation | Nullable | Default | Storage | Compression | Stats target | Description ---------+-------------------+-----------+----------+---------+---------+-------------+--------------+------------- - f1 | character varying | | | | plain | | | - --- test alter compression method for materialized views -ALTER MATERIALIZED VIEW compressmv ALTER COLUMN x SET COMPRESSION lz4; -ERROR: relation "compressmv" does not exist -\d+ compressmv --- test alter compression method for partitioned tables -ALTER TABLE cmpart1 ALTER COLUMN f1 SET COMPRESSION pglz; -ERROR: relation "cmpart1" does not exist -ALTER TABLE cmpart2 ALTER COLUMN f1 SET COMPRESSION lz4; -ERROR: compression method lz4 not supported -DETAIL: This functionality requires the server to be built with lz4 support. --- new data should be compressed with the current compression method -INSERT INTO cmpart VALUES (repeat('123456789', 1004)); -ERROR: relation "cmpart" does not exist -LINE 1: INSERT INTO cmpart VALUES (repeat('123456789', 1004)); - ^ -INSERT INTO cmpart VALUES (repeat('123456789', 4004)); -ERROR: relation "cmpart" does not exist -LINE 1: INSERT INTO cmpart VALUES (repeat('123456789', 4004)); - ^ -SELECT pg_column_compression(f1) FROM cmpart1; -ERROR: relation "cmpart1" does not exist -LINE 1: SELECT pg_column_compression(f1) FROM cmpart1; - ^ -SELECT pg_column_compression(f1) FROM cmpart2; - pg_column_compression ------------------------ -(0 rows) - --- VACUUM FULL does not recompress -SELECT pg_column_compression(f1) FROM cmdata; - pg_column_compression ------------------------ - pglz - pglz -(2 rows) - -VACUUM FULL cmdata; -SELECT pg_column_compression(f1) FROM cmdata; - pg_column_compression ------------------------ - pglz - pglz -(2 rows) - --- test expression index -DROP TABLE cmdata2; -CREATE TABLE cmdata2 (f1 TEXT COMPRESSION pglz, f2 TEXT COMPRESSION lz4); -ERROR: compression method lz4 not supported -DETAIL: This functionality requires the server to be built with lz4 support. -CREATE UNIQUE INDEX idx1 ON cmdata2 ((f1 || f2)); -ERROR: relation "cmdata2" does not exist -INSERT INTO cmdata2 VALUES((SELECT array_agg(fipshash(g::TEXT))::TEXT FROM -generate_series(1, 50) g), VERSION()); -ERROR: relation "cmdata2" does not exist -LINE 1: INSERT INTO cmdata2 VALUES((SELECT array_agg(fipshash(g::TEX... - ^ --- check data is ok -SELECT length(f1) FROM cmdata; - length --------- - 10000 - 36036 -(2 rows) - -SELECT length(f1) FROM cmdata1; -ERROR: relation "cmdata1" does not exist -LINE 1: SELECT length(f1) FROM cmdata1; - ^ -SELECT length(f1) FROM cmmove1; - length --------- - 10000 -(1 row) - -SELECT length(f1) FROM cmmove2; - length --------- - 10040 -(1 row) - -SELECT length(f1) FROM cmmove3; - length --------- - 10000 -(1 row) - -CREATE TABLE badcompresstbl (a text COMPRESSION I_Do_Not_Exist_Compression); -- fails -ERROR: invalid compression method "i_do_not_exist_compression" -CREATE TABLE badcompresstbl (a text); -ALTER TABLE badcompresstbl ALTER a SET COMPRESSION I_Do_Not_Exist_Compression; -- fails -ERROR: invalid compression method "i_do_not_exist_compression" -DROP TABLE badcompresstbl; -\set HIDE_TOAST_COMPRESSION true +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/memoize.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/memoize.out --- /tmp/cirrus-ci-build/src/test/regress/expected/memoize.out 2025-06-04 16:00:28.759044000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/memoize.out 2025-06-04 16:05:11.690648000 +0000 @@ -1,502 +1,2 @@ --- Perform tests on the Memoize node. --- The cache hits/misses/evictions from the Memoize node can vary between --- machines. Let's just replace the number with an 'N'. In order to allow us --- to perform validation when the measure was zero, we replace a zero value --- with "Zero". All other numbers are replaced with 'N'. -create function explain_memoize(query text, hide_hitmiss bool) returns setof text -language plpgsql as -$$ -declare - ln text; -begin - for ln in - execute format('explain (analyze, costs off, summary off, timing off, buffers off) %s', - query) - loop - if hide_hitmiss = true then - ln := regexp_replace(ln, 'Hits: 0', 'Hits: Zero'); - ln := regexp_replace(ln, 'Hits: \d+', 'Hits: N'); - ln := regexp_replace(ln, 'Misses: 0', 'Misses: Zero'); - ln := regexp_replace(ln, 'Misses: \d+', 'Misses: N'); - end if; - ln := regexp_replace(ln, 'Evictions: 0', 'Evictions: Zero'); - ln := regexp_replace(ln, 'Evictions: \d+', 'Evictions: N'); - ln := regexp_replace(ln, 'Memory Usage: \d+', 'Memory Usage: N'); - ln := regexp_replace(ln, 'Heap Fetches: \d+', 'Heap Fetches: N'); - ln := regexp_replace(ln, 'loops=\d+', 'loops=N'); - ln := regexp_replace(ln, 'Index Searches: \d+', 'Index Searches: N'); - return next ln; - end loop; -end; -$$; --- Ensure we get a memoize node on the inner side of the nested loop -SET enable_hashjoin TO off; -SET enable_bitmapscan TO off; -SELECT explain_memoize(' -SELECT COUNT(*),AVG(t1.unique1) FROM tenk1 t1 -INNER JOIN tenk1 t2 ON t1.unique1 = t2.twenty -WHERE t2.unique1 < 1000;', false); - explain_memoize ----------------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop (actual rows=1000.00 loops=N) - -> Seq Scan on tenk1 t2 (actual rows=1000.00 loops=N) - Filter: (unique1 < 1000) - Rows Removed by Filter: 9000 - -> Memoize (actual rows=1.00 loops=N) - Cache Key: t2.twenty - Cache Mode: logical - Hits: 980 Misses: 20 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using tenk1_unique1 on tenk1 t1 (actual rows=1.00 loops=N) - Index Cond: (unique1 = t2.twenty) - Heap Fetches: N - Index Searches: N -(13 rows) - --- And check we get the expected results. -SELECT COUNT(*),AVG(t1.unique1) FROM tenk1 t1 -INNER JOIN tenk1 t2 ON t1.unique1 = t2.twenty -WHERE t2.unique1 < 1000; - count | avg --------+-------------------- - 1000 | 9.5000000000000000 -(1 row) - --- Try with LATERAL joins -SELECT explain_memoize(' -SELECT COUNT(*),AVG(t2.unique1) FROM tenk1 t1, -LATERAL (SELECT t2.unique1 FROM tenk1 t2 - WHERE t1.twenty = t2.unique1 OFFSET 0) t2 -WHERE t1.unique1 < 1000;', false); - explain_memoize ----------------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop (actual rows=1000.00 loops=N) - -> Seq Scan on tenk1 t1 (actual rows=1000.00 loops=N) - Filter: (unique1 < 1000) - Rows Removed by Filter: 9000 - -> Memoize (actual rows=1.00 loops=N) - Cache Key: t1.twenty - Cache Mode: binary - Hits: 980 Misses: 20 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using tenk1_unique1 on tenk1 t2 (actual rows=1.00 loops=N) - Index Cond: (unique1 = t1.twenty) - Heap Fetches: N - Index Searches: N -(13 rows) - --- And check we get the expected results. -SELECT COUNT(*),AVG(t2.unique1) FROM tenk1 t1, -LATERAL (SELECT t2.unique1 FROM tenk1 t2 - WHERE t1.twenty = t2.unique1 OFFSET 0) t2 -WHERE t1.unique1 < 1000; - count | avg --------+-------------------- - 1000 | 9.5000000000000000 -(1 row) - --- Try with LATERAL joins -SELECT explain_memoize(' -SELECT COUNT(*),AVG(t2.t1two) FROM tenk1 t1 LEFT JOIN -LATERAL ( - SELECT t1.two as t1two, * FROM tenk1 t2 WHERE t2.unique1 < 4 OFFSET 0 -) t2 -ON t1.two = t2.two -WHERE t1.unique1 < 10;', false); - explain_memoize -------------------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop Left Join (actual rows=20.00 loops=N) - -> Index Scan using tenk1_unique1 on tenk1 t1 (actual rows=10.00 loops=N) - Index Cond: (unique1 < 10) - Index Searches: N - -> Memoize (actual rows=2.00 loops=N) - Cache Key: t1.two - Cache Mode: binary - Hits: 8 Misses: 2 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Subquery Scan on t2 (actual rows=2.00 loops=N) - Filter: (t1.two = t2.two) - Rows Removed by Filter: 2 - -> Index Scan using tenk1_unique1 on tenk1 t2_1 (actual rows=4.00 loops=N) - Index Cond: (unique1 < 4) - Index Searches: N -(15 rows) - --- And check we get the expected results. -SELECT COUNT(*),AVG(t2.t1two) FROM tenk1 t1 LEFT JOIN -LATERAL ( - SELECT t1.two as t1two, * FROM tenk1 t2 WHERE t2.unique1 < 4 OFFSET 0 -) t2 -ON t1.two = t2.two -WHERE t1.unique1 < 10; - count | avg --------+------------------------ - 20 | 0.50000000000000000000 -(1 row) - --- Try with LATERAL references within PlaceHolderVars -SELECT explain_memoize(' -SELECT COUNT(*), AVG(t1.twenty) FROM tenk1 t1 LEFT JOIN -LATERAL (SELECT t1.two+1 AS c1, t2.unique1 AS c2 FROM tenk1 t2) s ON TRUE -WHERE s.c1 = s.c2 AND t1.unique1 < 1000;', false); - explain_memoize ----------------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop (actual rows=1000.00 loops=N) - -> Seq Scan on tenk1 t1 (actual rows=1000.00 loops=N) - Filter: (unique1 < 1000) - Rows Removed by Filter: 9000 - -> Memoize (actual rows=1.00 loops=N) - Cache Key: (t1.two + 1) - Cache Mode: binary - Hits: 998 Misses: 2 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using tenk1_unique1 on tenk1 t2 (actual rows=1.00 loops=N) - Filter: ((t1.two + 1) = unique1) - Rows Removed by Filter: 9999 - Heap Fetches: N - Index Searches: N -(14 rows) - --- And check we get the expected results. -SELECT COUNT(*), AVG(t1.twenty) FROM tenk1 t1 LEFT JOIN -LATERAL (SELECT t1.two+1 AS c1, t2.unique1 AS c2 FROM tenk1 t2) s ON TRUE -WHERE s.c1 = s.c2 AND t1.unique1 < 1000; - count | avg --------+-------------------- - 1000 | 9.5000000000000000 -(1 row) - --- Ensure we do not omit the cache keys from PlaceHolderVars -SELECT explain_memoize(' -SELECT COUNT(*), AVG(t1.twenty) FROM tenk1 t1 LEFT JOIN -LATERAL (SELECT t1.twenty AS c1, t2.unique1 AS c2, t2.two FROM tenk1 t2) s -ON t1.two = s.two -WHERE s.c1 = s.c2 AND t1.unique1 < 1000;', false); - explain_memoize ---------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop (actual rows=1000.00 loops=N) - -> Seq Scan on tenk1 t1 (actual rows=1000.00 loops=N) - Filter: (unique1 < 1000) - Rows Removed by Filter: 9000 - -> Memoize (actual rows=1.00 loops=N) - Cache Key: t1.two, t1.twenty - Cache Mode: binary - Hits: 980 Misses: 20 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Seq Scan on tenk1 t2 (actual rows=1.00 loops=N) - Filter: ((t1.twenty = unique1) AND (t1.two = two)) - Rows Removed by Filter: 9999 -(12 rows) - --- And check we get the expected results. -SELECT COUNT(*), AVG(t1.twenty) FROM tenk1 t1 LEFT JOIN -LATERAL (SELECT t1.twenty AS c1, t2.unique1 AS c2, t2.two FROM tenk1 t2) s -ON t1.two = s.two -WHERE s.c1 = s.c2 AND t1.unique1 < 1000; - count | avg --------+-------------------- - 1000 | 9.5000000000000000 -(1 row) - -SET enable_mergejoin TO off; --- Test for varlena datatype with expr evaluation -CREATE TABLE expr_key (x numeric, t text); -INSERT INTO expr_key (x, t) -SELECT d1::numeric, d1::text FROM ( - SELECT round((d / pi())::numeric, 7) AS d1 FROM generate_series(1, 20) AS d -) t; --- duplicate rows so we get some cache hits -INSERT INTO expr_key SELECT * FROM expr_key; -CREATE INDEX expr_key_idx_x_t ON expr_key (x, t); -VACUUM ANALYZE expr_key; --- Ensure we get we get a cache miss and hit for each of the 20 distinct values -SELECT explain_memoize(' -SELECT * FROM expr_key t1 INNER JOIN expr_key t2 -ON t1.x = t2.t::numeric AND t1.t::numeric = t2.x;', false); - explain_memoize ----------------------------------------------------------------------------------------------- - Nested Loop (actual rows=80.00 loops=N) - -> Seq Scan on expr_key t1 (actual rows=40.00 loops=N) - -> Memoize (actual rows=2.00 loops=N) - Cache Key: t1.x, (t1.t)::numeric - Cache Mode: logical - Hits: 20 Misses: 20 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using expr_key_idx_x_t on expr_key t2 (actual rows=2.00 loops=N) - Index Cond: (x = (t1.t)::numeric) - Filter: (t1.x = (t)::numeric) - Heap Fetches: N - Index Searches: N -(11 rows) - -DROP TABLE expr_key; --- Reduce work_mem and hash_mem_multiplier so that we see some cache evictions -SET work_mem TO '64kB'; -SET hash_mem_multiplier TO 1.0; --- Ensure we get some evictions. We're unable to validate the hits and misses --- here as the number of entries that fit in the cache at once will vary --- between different machines. -SELECT explain_memoize(' -SELECT COUNT(*),AVG(t1.unique1) FROM tenk1 t1 -INNER JOIN tenk1 t2 ON t1.unique1 = t2.thousand -WHERE t2.unique1 < 1200;', true); - explain_memoize ----------------------------------------------------------------------------------------------- - Aggregate (actual rows=1.00 loops=N) - -> Nested Loop (actual rows=1200.00 loops=N) - -> Seq Scan on tenk1 t2 (actual rows=1200.00 loops=N) - Filter: (unique1 < 1200) - Rows Removed by Filter: 8800 - -> Memoize (actual rows=1.00 loops=N) - Cache Key: t2.thousand - Cache Mode: logical - Hits: N Misses: N Evictions: N Overflows: 0 Memory Usage: NkB - -> Index Only Scan using tenk1_unique1 on tenk1 t1 (actual rows=1.00 loops=N) - Index Cond: (unique1 = t2.thousand) - Heap Fetches: N - Index Searches: N -(13 rows) - -CREATE TABLE flt (f float); -CREATE INDEX flt_f_idx ON flt (f); -INSERT INTO flt VALUES('-0.0'::float),('+0.0'::float); -ANALYZE flt; -SET enable_seqscan TO off; --- Ensure memoize operates in logical mode -SELECT explain_memoize(' -SELECT * FROM flt f1 INNER JOIN flt f2 ON f1.f = f2.f;', false); - explain_memoize ----------------------------------------------------------------------------------- - Nested Loop (actual rows=4.00 loops=N) - -> Index Only Scan using flt_f_idx on flt f1 (actual rows=2.00 loops=N) - Heap Fetches: N - Index Searches: N - -> Memoize (actual rows=2.00 loops=N) - Cache Key: f1.f - Cache Mode: logical - Hits: 1 Misses: 1 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using flt_f_idx on flt f2 (actual rows=2.00 loops=N) - Index Cond: (f = f1.f) - Heap Fetches: N - Index Searches: N -(12 rows) - --- Ensure memoize operates in binary mode -SELECT explain_memoize(' -SELECT * FROM flt f1 INNER JOIN flt f2 ON f1.f >= f2.f;', false); - explain_memoize ----------------------------------------------------------------------------------- - Nested Loop (actual rows=4.00 loops=N) - -> Index Only Scan using flt_f_idx on flt f1 (actual rows=2.00 loops=N) - Heap Fetches: N - Index Searches: N - -> Memoize (actual rows=2.00 loops=N) - Cache Key: f1.f - Cache Mode: binary - Hits: 0 Misses: 2 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using flt_f_idx on flt f2 (actual rows=2.00 loops=N) - Index Cond: (f <= f1.f) - Heap Fetches: N - Index Searches: N -(12 rows) - -DROP TABLE flt; --- Exercise Memoize in binary mode with a large fixed width type and a --- varlena type. -CREATE TABLE strtest (n name, t text); -CREATE INDEX strtest_n_idx ON strtest (n); -CREATE INDEX strtest_t_idx ON strtest (t); -INSERT INTO strtest VALUES('one','one'),('two','two'),('three',repeat(fipshash('three'),100)); --- duplicate rows so we get some cache hits -INSERT INTO strtest SELECT * FROM strtest; -ANALYZE strtest; --- Ensure we get 3 hits and 3 misses -SELECT explain_memoize(' -SELECT * FROM strtest s1 INNER JOIN strtest s2 ON s1.n >= s2.n;', false); - explain_memoize -------------------------------------------------------------------------------------- - Nested Loop (actual rows=24.00 loops=N) - -> Seq Scan on strtest s1 (actual rows=6.00 loops=N) - Disabled: true - -> Memoize (actual rows=4.00 loops=N) - Cache Key: s1.n - Cache Mode: binary - Hits: 3 Misses: 3 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Scan using strtest_n_idx on strtest s2 (actual rows=4.00 loops=N) - Index Cond: (n <= s1.n) - Index Searches: N -(10 rows) - --- Ensure we get 3 hits and 3 misses -SELECT explain_memoize(' -SELECT * FROM strtest s1 INNER JOIN strtest s2 ON s1.t >= s2.t;', false); - explain_memoize -------------------------------------------------------------------------------------- - Nested Loop (actual rows=24.00 loops=N) - -> Seq Scan on strtest s1 (actual rows=6.00 loops=N) - Disabled: true - -> Memoize (actual rows=4.00 loops=N) - Cache Key: s1.t - Cache Mode: binary - Hits: 3 Misses: 3 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Scan using strtest_t_idx on strtest s2 (actual rows=4.00 loops=N) - Index Cond: (t <= s1.t) - Index Searches: N -(10 rows) - -DROP TABLE strtest; --- Ensure memoize works with partitionwise join -SET enable_partitionwise_join TO on; -CREATE TABLE prt (a int) PARTITION BY RANGE(a); -CREATE TABLE prt_p1 PARTITION OF prt FOR VALUES FROM (0) TO (10); -CREATE TABLE prt_p2 PARTITION OF prt FOR VALUES FROM (10) TO (20); -INSERT INTO prt VALUES (0), (0), (0), (0); -INSERT INTO prt VALUES (10), (10), (10), (10); -CREATE INDEX iprt_p1_a ON prt_p1 (a); -CREATE INDEX iprt_p2_a ON prt_p2 (a); -ANALYZE prt; -SELECT explain_memoize(' -SELECT * FROM prt t1 INNER JOIN prt t2 ON t1.a = t2.a;', false); - explain_memoize ---------------------------------------------------------------------------------------------- - Append (actual rows=32.00 loops=N) - -> Nested Loop (actual rows=16.00 loops=N) - -> Index Only Scan using iprt_p1_a on prt_p1 t1_1 (actual rows=4.00 loops=N) - Heap Fetches: N - Index Searches: N - -> Memoize (actual rows=4.00 loops=N) - Cache Key: t1_1.a - Cache Mode: logical - Hits: 3 Misses: 1 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using iprt_p1_a on prt_p1 t2_1 (actual rows=4.00 loops=N) - Index Cond: (a = t1_1.a) - Heap Fetches: N - Index Searches: N - -> Nested Loop (actual rows=16.00 loops=N) - -> Index Only Scan using iprt_p2_a on prt_p2 t1_2 (actual rows=4.00 loops=N) - Heap Fetches: N - Index Searches: N - -> Memoize (actual rows=4.00 loops=N) - Cache Key: t1_2.a - Cache Mode: logical - Hits: 3 Misses: 1 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Index Only Scan using iprt_p2_a on prt_p2 t2_2 (actual rows=4.00 loops=N) - Index Cond: (a = t1_2.a) - Heap Fetches: N - Index Searches: N -(25 rows) - --- Ensure memoize works with parameterized union-all Append path -SET enable_partitionwise_join TO off; -SELECT explain_memoize(' -SELECT * FROM prt_p1 t1 INNER JOIN -(SELECT * FROM prt_p1 UNION ALL SELECT * FROM prt_p2) t2 -ON t1.a = t2.a;', false); - explain_memoize ----------------------------------------------------------------------------------------- - Nested Loop (actual rows=16.00 loops=N) - -> Index Only Scan using iprt_p1_a on prt_p1 t1 (actual rows=4.00 loops=N) - Heap Fetches: N - Index Searches: N - -> Memoize (actual rows=4.00 loops=N) - Cache Key: t1.a - Cache Mode: logical - Hits: 3 Misses: 1 Evictions: Zero Overflows: 0 Memory Usage: NkB - -> Append (actual rows=4.00 loops=N) - -> Index Only Scan using iprt_p1_a on prt_p1 (actual rows=4.00 loops=N) - Index Cond: (a = t1.a) - Heap Fetches: N - Index Searches: N - -> Index Only Scan using iprt_p2_a on prt_p2 (actual rows=0.00 loops=N) - Index Cond: (a = t1.a) - Heap Fetches: N - Index Searches: N -(17 rows) - -DROP TABLE prt; -RESET enable_partitionwise_join; --- Exercise Memoize code that flushes the cache when a parameter changes which --- is not part of the cache key. --- Ensure we get a Memoize plan -EXPLAIN (COSTS OFF) -SELECT unique1 FROM tenk1 t0 -WHERE unique1 < 3 - AND EXISTS ( - SELECT 1 FROM tenk1 t1 - INNER JOIN tenk1 t2 ON t1.unique1 = t2.hundred - WHERE t0.ten = t1.twenty AND t0.two <> t2.four OFFSET 0); - QUERY PLAN ----------------------------------------------------------------- - Index Scan using tenk1_unique1 on tenk1 t0 - Index Cond: (unique1 < 3) - Filter: EXISTS(SubPlan 1) - SubPlan 1 - -> Nested Loop - -> Index Scan using tenk1_hundred on tenk1 t2 - Filter: (t0.two <> four) - -> Memoize - Cache Key: t2.hundred - Cache Mode: logical - -> Index Scan using tenk1_unique1 on tenk1 t1 - Index Cond: (unique1 = t2.hundred) - Filter: (t0.ten = twenty) -(13 rows) - --- Ensure the above query returns the correct result -SELECT unique1 FROM tenk1 t0 -WHERE unique1 < 3 - AND EXISTS ( - SELECT 1 FROM tenk1 t1 - INNER JOIN tenk1 t2 ON t1.unique1 = t2.hundred - WHERE t0.ten = t1.twenty AND t0.two <> t2.four OFFSET 0); - unique1 ---------- - 2 -(1 row) - -RESET enable_seqscan; -RESET enable_mergejoin; -RESET work_mem; -RESET hash_mem_multiplier; -RESET enable_bitmapscan; -RESET enable_hashjoin; --- Test parallel plans with Memoize -SET min_parallel_table_scan_size TO 0; -SET parallel_setup_cost TO 0; -SET parallel_tuple_cost TO 0; -SET max_parallel_workers_per_gather TO 2; --- Ensure we get a parallel plan. -EXPLAIN (COSTS OFF) -SELECT COUNT(*),AVG(t2.unique1) FROM tenk1 t1, -LATERAL (SELECT t2.unique1 FROM tenk1 t2 WHERE t1.twenty = t2.unique1) t2 -WHERE t1.unique1 < 1000; - QUERY PLAN -------------------------------------------------------------------------------- - Finalize Aggregate - -> Gather - Workers Planned: 2 - -> Partial Aggregate - -> Nested Loop - -> Parallel Bitmap Heap Scan on tenk1 t1 - Recheck Cond: (unique1 < 1000) - -> Bitmap Index Scan on tenk1_unique1 - Index Cond: (unique1 < 1000) - -> Memoize - Cache Key: t1.twenty - Cache Mode: logical - -> Index Only Scan using tenk1_unique1 on tenk1 t2 - Index Cond: (unique1 = t1.twenty) -(14 rows) - --- And ensure the parallel plan gives us the correct results. -SELECT COUNT(*),AVG(t2.unique1) FROM tenk1 t1, -LATERAL (SELECT t2.unique1 FROM tenk1 t2 WHERE t1.twenty = t2.unique1) t2 -WHERE t1.unique1 < 1000; - count | avg --------+-------------------- - 1000 | 9.5000000000000000 -(1 row) - -RESET max_parallel_workers_per_gather; -RESET parallel_tuple_cost; -RESET parallel_setup_cost; -RESET min_parallel_table_scan_size; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/stats.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/stats.out --- /tmp/cirrus-ci-build/src/test/regress/expected/stats.out 2025-06-04 16:00:28.791102000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/stats.out 2025-06-04 16:05:11.697235000 +0000 @@ -1,1871 +1,2 @@ --- --- Test cumulative stats system --- --- Must be run after tenk2 has been created (by create_table), --- populated (by create_misc) and indexed (by create_index). --- --- conditio sine qua non -SHOW track_counts; -- must be on - track_counts --------------- - on -(1 row) - --- List of backend types, contexts and objects tracked in pg_stat_io. -\a -SELECT backend_type, object, context FROM pg_stat_io - ORDER BY backend_type COLLATE "C", object COLLATE "C", context COLLATE "C"; -backend_type|object|context -autovacuum launcher|relation|bulkread -autovacuum launcher|relation|init -autovacuum launcher|relation|normal -autovacuum launcher|wal|init -autovacuum launcher|wal|normal -autovacuum worker|relation|bulkread -autovacuum worker|relation|init -autovacuum worker|relation|normal -autovacuum worker|relation|vacuum -autovacuum worker|wal|init -autovacuum worker|wal|normal -background worker|relation|bulkread -background worker|relation|bulkwrite -background worker|relation|init -background worker|relation|normal -background worker|relation|vacuum -background worker|temp relation|normal -background worker|wal|init -background worker|wal|normal -background writer|relation|init -background writer|relation|normal -background writer|wal|init -background writer|wal|normal -checkpointer|relation|init -checkpointer|relation|normal -checkpointer|wal|init -checkpointer|wal|normal -client backend|relation|bulkread -client backend|relation|bulkwrite -client backend|relation|init -client backend|relation|normal -client backend|relation|vacuum -client backend|temp relation|normal -client backend|wal|init -client backend|wal|normal -io worker|relation|bulkread -io worker|relation|bulkwrite -io worker|relation|init -io worker|relation|normal -io worker|relation|vacuum -io worker|temp relation|normal -io worker|wal|init -io worker|wal|normal -slotsync worker|relation|bulkread -slotsync worker|relation|bulkwrite -slotsync worker|relation|init -slotsync worker|relation|normal -slotsync worker|relation|vacuum -slotsync worker|temp relation|normal -slotsync worker|wal|init -slotsync worker|wal|normal -standalone backend|relation|bulkread -standalone backend|relation|bulkwrite -standalone backend|relation|init -standalone backend|relation|normal -standalone backend|relation|vacuum -standalone backend|wal|init -standalone backend|wal|normal -startup|relation|bulkread -startup|relation|bulkwrite -startup|relation|init -startup|relation|normal -startup|relation|vacuum -startup|wal|init -startup|wal|normal -walreceiver|wal|init -walreceiver|wal|normal -walsender|relation|bulkread -walsender|relation|bulkwrite -walsender|relation|init -walsender|relation|normal -walsender|relation|vacuum -walsender|temp relation|normal -walsender|wal|init -walsender|wal|normal -walsummarizer|wal|init -walsummarizer|wal|normal -walwriter|wal|init -walwriter|wal|normal -(79 rows) -\a --- ensure that both seqscan and indexscan plans are allowed -SET enable_seqscan TO on; -SET enable_indexscan TO on; --- for the moment, we don't want index-only scans here -SET enable_indexonlyscan TO off; --- not enabled by default, but we want to test it... -SET track_functions TO 'all'; --- record dboid for later use -SELECT oid AS dboid from pg_database where datname = current_database() \gset --- save counters -BEGIN; -SET LOCAL stats_fetch_consistency = snapshot; -CREATE TABLE prevstats AS -SELECT t.seq_scan, t.seq_tup_read, t.idx_scan, t.idx_tup_fetch, - (b.heap_blks_read + b.heap_blks_hit) AS heap_blks, - (b.idx_blks_read + b.idx_blks_hit) AS idx_blks, - pg_stat_get_snapshot_timestamp() as snap_ts - FROM pg_catalog.pg_stat_user_tables AS t, - pg_catalog.pg_statio_user_tables AS b - WHERE t.relname='tenk2' AND b.relname='tenk2'; -COMMIT; --- test effects of TRUNCATE on n_live_tup/n_dead_tup counters -CREATE TABLE trunc_stats_test(id serial); -CREATE TABLE trunc_stats_test1(id serial, stuff text); -CREATE TABLE trunc_stats_test2(id serial); -CREATE TABLE trunc_stats_test3(id serial, stuff text); -CREATE TABLE trunc_stats_test4(id serial); --- check that n_live_tup is reset to 0 after truncate -INSERT INTO trunc_stats_test DEFAULT VALUES; -INSERT INTO trunc_stats_test DEFAULT VALUES; -INSERT INTO trunc_stats_test DEFAULT VALUES; -TRUNCATE trunc_stats_test; --- test involving a truncate in a transaction; 4 ins but only 1 live -INSERT INTO trunc_stats_test1 DEFAULT VALUES; -INSERT INTO trunc_stats_test1 DEFAULT VALUES; -INSERT INTO trunc_stats_test1 DEFAULT VALUES; -UPDATE trunc_stats_test1 SET id = id + 10 WHERE id IN (1, 2); -DELETE FROM trunc_stats_test1 WHERE id = 3; -BEGIN; -UPDATE trunc_stats_test1 SET id = id + 100; -TRUNCATE trunc_stats_test1; -INSERT INTO trunc_stats_test1 DEFAULT VALUES; -COMMIT; --- use a savepoint: 1 insert, 1 live -BEGIN; -INSERT INTO trunc_stats_test2 DEFAULT VALUES; -INSERT INTO trunc_stats_test2 DEFAULT VALUES; -SAVEPOINT p1; -INSERT INTO trunc_stats_test2 DEFAULT VALUES; -TRUNCATE trunc_stats_test2; -INSERT INTO trunc_stats_test2 DEFAULT VALUES; -RELEASE SAVEPOINT p1; -COMMIT; --- rollback a savepoint: this should count 4 inserts and have 2 --- live tuples after commit (and 2 dead ones due to aborted subxact) -BEGIN; -INSERT INTO trunc_stats_test3 DEFAULT VALUES; -INSERT INTO trunc_stats_test3 DEFAULT VALUES; -SAVEPOINT p1; -INSERT INTO trunc_stats_test3 DEFAULT VALUES; -INSERT INTO trunc_stats_test3 DEFAULT VALUES; -TRUNCATE trunc_stats_test3; -INSERT INTO trunc_stats_test3 DEFAULT VALUES; -ROLLBACK TO SAVEPOINT p1; -COMMIT; --- rollback a truncate: this should count 2 inserts and produce 2 dead tuples -BEGIN; -INSERT INTO trunc_stats_test4 DEFAULT VALUES; -INSERT INTO trunc_stats_test4 DEFAULT VALUES; -TRUNCATE trunc_stats_test4; -INSERT INTO trunc_stats_test4 DEFAULT VALUES; -ROLLBACK; --- do a seqscan -SELECT count(*) FROM tenk2; - count -------- - 10000 -(1 row) - --- do an indexscan --- make sure it is not a bitmap scan, which might skip fetching heap tuples -SET enable_bitmapscan TO off; -SELECT count(*) FROM tenk2 WHERE unique1 = 1; - count -------- - 1 -(1 row) - -RESET enable_bitmapscan; --- ensure pending stats are flushed -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - --- check effects -BEGIN; -SET LOCAL stats_fetch_consistency = snapshot; -SELECT relname, n_tup_ins, n_tup_upd, n_tup_del, n_live_tup, n_dead_tup - FROM pg_stat_user_tables - WHERE relname like 'trunc_stats_test%' order by relname; - relname | n_tup_ins | n_tup_upd | n_tup_del | n_live_tup | n_dead_tup --------------------+-----------+-----------+-----------+------------+------------ - trunc_stats_test | 3 | 0 | 0 | 0 | 0 - trunc_stats_test1 | 4 | 2 | 1 | 1 | 0 - trunc_stats_test2 | 1 | 0 | 0 | 1 | 0 - trunc_stats_test3 | 4 | 0 | 0 | 2 | 2 - trunc_stats_test4 | 2 | 0 | 0 | 0 | 2 -(5 rows) - -SELECT st.seq_scan >= pr.seq_scan + 1, - st.seq_tup_read >= pr.seq_tup_read + cl.reltuples, - st.idx_scan >= pr.idx_scan + 1, - st.idx_tup_fetch >= pr.idx_tup_fetch + 1 - FROM pg_stat_user_tables AS st, pg_class AS cl, prevstats AS pr - WHERE st.relname='tenk2' AND cl.relname='tenk2'; - ?column? | ?column? | ?column? | ?column? -----------+----------+----------+---------- - t | t | t | t -(1 row) - -SELECT st.heap_blks_read + st.heap_blks_hit >= pr.heap_blks + cl.relpages, - st.idx_blks_read + st.idx_blks_hit >= pr.idx_blks + 1 - FROM pg_statio_user_tables AS st, pg_class AS cl, prevstats AS pr - WHERE st.relname='tenk2' AND cl.relname='tenk2'; - ?column? | ?column? -----------+---------- - t | t -(1 row) - -SELECT pr.snap_ts < pg_stat_get_snapshot_timestamp() as snapshot_newer -FROM prevstats AS pr; - snapshot_newer ----------------- - t -(1 row) - -COMMIT; ----- --- Basic tests for track_functions ---- -CREATE FUNCTION stats_test_func1() RETURNS VOID LANGUAGE plpgsql AS $$BEGIN END;$$; -SELECT 'stats_test_func1()'::regprocedure::oid AS stats_test_func1_oid \gset -CREATE FUNCTION stats_test_func2() RETURNS VOID LANGUAGE plpgsql AS $$BEGIN END;$$; -SELECT 'stats_test_func2()'::regprocedure::oid AS stats_test_func2_oid \gset --- test that stats are accumulated -BEGIN; -SET LOCAL stats_fetch_consistency = none; -SELECT pg_stat_get_function_calls(:stats_test_func1_oid); - pg_stat_get_function_calls ----------------------------- - -(1 row) - -SELECT pg_stat_get_xact_function_calls(:stats_test_func1_oid); - pg_stat_get_xact_function_calls ---------------------------------- - -(1 row) - -SELECT stats_test_func1(); - stats_test_func1 ------------------- - -(1 row) - -SELECT pg_stat_get_xact_function_calls(:stats_test_func1_oid); - pg_stat_get_xact_function_calls ---------------------------------- - 1 -(1 row) - -SELECT stats_test_func1(); - stats_test_func1 ------------------- - -(1 row) - -SELECT pg_stat_get_xact_function_calls(:stats_test_func1_oid); - pg_stat_get_xact_function_calls ---------------------------------- - 2 -(1 row) - -SELECT pg_stat_get_function_calls(:stats_test_func1_oid); - pg_stat_get_function_calls ----------------------------- - 0 -(1 row) - -COMMIT; --- Verify that function stats are not transactional --- rolled back savepoint in committing transaction -BEGIN; -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -SAVEPOINT foo; -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -ROLLBACK TO SAVEPOINT foo; -SELECT pg_stat_get_xact_function_calls(:stats_test_func2_oid); - pg_stat_get_xact_function_calls ---------------------------------- - 2 -(1 row) - -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -COMMIT; --- rolled back transaction -BEGIN; -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -ROLLBACK; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - --- check collected stats -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func1_oid; - funcname | calls -------------------+------- - stats_test_func1 | 2 -(1 row) - -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func2_oid; - funcname | calls -------------------+------- - stats_test_func2 | 4 -(1 row) - --- check that a rolled back drop function stats leaves stats alive -BEGIN; -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func1_oid; - funcname | calls -------------------+------- - stats_test_func1 | 2 -(1 row) - -DROP FUNCTION stats_test_func1(); --- shouldn't be visible via view -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func1_oid; - funcname | calls -----------+------- -(0 rows) - --- but still via oid access -SELECT pg_stat_get_function_calls(:stats_test_func1_oid); - pg_stat_get_function_calls ----------------------------- - 2 -(1 row) - -ROLLBACK; -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func1_oid; - funcname | calls -------------------+------- - stats_test_func1 | 2 -(1 row) - -SELECT pg_stat_get_function_calls(:stats_test_func1_oid); - pg_stat_get_function_calls ----------------------------- - 2 -(1 row) - --- check that function dropped in main transaction leaves no stats behind -BEGIN; -DROP FUNCTION stats_test_func1(); -COMMIT; -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func1_oid; - funcname | calls -----------+------- -(0 rows) - -SELECT pg_stat_get_function_calls(:stats_test_func1_oid); - pg_stat_get_function_calls ----------------------------- - -(1 row) - --- check that function dropped in a subtransaction leaves no stats behind -BEGIN; -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -SAVEPOINT a; -SELECT stats_test_func2(); - stats_test_func2 ------------------- - -(1 row) - -SAVEPOINT b; -DROP FUNCTION stats_test_func2(); -COMMIT; -SELECT funcname, calls FROM pg_stat_user_functions WHERE funcid = :stats_test_func2_oid; - funcname | calls -----------+------- -(0 rows) - -SELECT pg_stat_get_function_calls(:stats_test_func2_oid); - pg_stat_get_function_calls ----------------------------- - -(1 row) - --- Check that stats for relations are dropped. For that we need to access stats --- by oid after the DROP TABLE. Save oids. -CREATE TABLE drop_stats_test(); -INSERT INTO drop_stats_test DEFAULT VALUES; -SELECT 'drop_stats_test'::regclass::oid AS drop_stats_test_oid \gset -CREATE TABLE drop_stats_test_xact(); -INSERT INTO drop_stats_test_xact DEFAULT VALUES; -SELECT 'drop_stats_test_xact'::regclass::oid AS drop_stats_test_xact_oid \gset -CREATE TABLE drop_stats_test_subxact(); -INSERT INTO drop_stats_test_subxact DEFAULT VALUES; -SELECT 'drop_stats_test_subxact'::regclass::oid AS drop_stats_test_subxact_oid \gset -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT pg_stat_get_live_tuples(:drop_stats_test_oid); - pg_stat_get_live_tuples -------------------------- - 1 -(1 row) - -DROP TABLE drop_stats_test; -SELECT pg_stat_get_live_tuples(:drop_stats_test_oid); - pg_stat_get_live_tuples -------------------------- - 0 -(1 row) - -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 0 -(1 row) - --- check that rollback protects against having stats dropped and that local --- modifications don't pose a problem -SELECT pg_stat_get_live_tuples(:drop_stats_test_xact_oid); - pg_stat_get_live_tuples -------------------------- - 1 -(1 row) - -SELECT pg_stat_get_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_tuples_inserted ------------------------------ - 1 -(1 row) - -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 0 -(1 row) - -BEGIN; -INSERT INTO drop_stats_test_xact DEFAULT VALUES; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 1 -(1 row) - -DROP TABLE drop_stats_test_xact; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 0 -(1 row) - -ROLLBACK; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT pg_stat_get_live_tuples(:drop_stats_test_xact_oid); - pg_stat_get_live_tuples -------------------------- - 1 -(1 row) - -SELECT pg_stat_get_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_tuples_inserted ------------------------------ - 2 -(1 row) - --- transactional drop -SELECT pg_stat_get_live_tuples(:drop_stats_test_xact_oid); - pg_stat_get_live_tuples -------------------------- - 1 -(1 row) - -SELECT pg_stat_get_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_tuples_inserted ------------------------------ - 2 -(1 row) - -BEGIN; -INSERT INTO drop_stats_test_xact DEFAULT VALUES; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 1 -(1 row) - -DROP TABLE drop_stats_test_xact; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 0 -(1 row) - -COMMIT; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT pg_stat_get_live_tuples(:drop_stats_test_xact_oid); - pg_stat_get_live_tuples -------------------------- - 0 -(1 row) - -SELECT pg_stat_get_tuples_inserted(:drop_stats_test_xact_oid); - pg_stat_get_tuples_inserted ------------------------------ - 0 -(1 row) - --- savepoint rollback (2 levels) -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 1 -(1 row) - -BEGIN; -INSERT INTO drop_stats_test_subxact DEFAULT VALUES; -SAVEPOINT sp1; -INSERT INTO drop_stats_test_subxact DEFAULT VALUES; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_subxact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 2 -(1 row) - -SAVEPOINT sp2; -DROP TABLE drop_stats_test_subxact; -ROLLBACK TO SAVEPOINT sp2; -SELECT pg_stat_get_xact_tuples_inserted(:drop_stats_test_subxact_oid); - pg_stat_get_xact_tuples_inserted ----------------------------------- - 2 -(1 row) - -COMMIT; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 3 -(1 row) - --- savepoint rolback (1 level) -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 3 -(1 row) - -BEGIN; -SAVEPOINT sp1; -DROP TABLE drop_stats_test_subxact; -SAVEPOINT sp2; -ROLLBACK TO SAVEPOINT sp1; -COMMIT; -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 3 -(1 row) - --- and now actually drop -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 3 -(1 row) - -BEGIN; -SAVEPOINT sp1; -DROP TABLE drop_stats_test_subxact; -SAVEPOINT sp2; -RELEASE SAVEPOINT sp1; -COMMIT; -SELECT pg_stat_get_live_tuples(:drop_stats_test_subxact_oid); - pg_stat_get_live_tuples -------------------------- - 0 -(1 row) - -DROP TABLE trunc_stats_test, trunc_stats_test1, trunc_stats_test2, trunc_stats_test3, trunc_stats_test4; -DROP TABLE prevstats; ------ --- Test that last_seq_scan, last_idx_scan are correctly maintained --- --- Perform test using a temporary table. That way autovacuum etc won't --- interfere. To be able to check that timestamps increase, we sleep for 100ms --- between tests, assuming that there aren't systems with a coarser timestamp --- granularity. ------ -BEGIN; -CREATE TEMPORARY TABLE test_last_scan(idx_col int primary key, noidx_col int); -INSERT INTO test_last_scan(idx_col, noidx_col) VALUES(1, 1); -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT last_seq_scan, last_idx_scan FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass; - last_seq_scan | last_idx_scan ----------------+--------------- - | -(1 row) - -COMMIT; -SELECT pg_stat_reset_single_table_counters('test_last_scan'::regclass); - pg_stat_reset_single_table_counters -------------------------------------- - -(1 row) - -SELECT seq_scan, idx_scan FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass; - seq_scan | idx_scan -----------+---------- - 0 | 0 -(1 row) - --- ensure we start out with exactly one index and sequential scan -BEGIN; -SET LOCAL enable_seqscan TO on; -SET LOCAL enable_indexscan TO on; -SET LOCAL enable_bitmapscan TO off; -EXPLAIN (COSTS off) SELECT count(*) FROM test_last_scan WHERE noidx_col = 1; - QUERY PLAN ----------------------------------- - Aggregate - -> Seq Scan on test_last_scan - Filter: (noidx_col = 1) -(3 rows) - -SELECT count(*) FROM test_last_scan WHERE noidx_col = 1; - count -------- - 1 -(1 row) - -SET LOCAL enable_seqscan TO off; -EXPLAIN (COSTS off) SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - QUERY PLAN --------------------------------------------------------------- - Aggregate - -> Index Scan using test_last_scan_pkey on test_last_scan - Index Cond: (idx_col = 1) -(3 rows) - -SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - count -------- - 1 -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -COMMIT; --- fetch timestamps from before the next test -SELECT last_seq_scan AS test_last_seq, last_idx_scan AS test_last_idx -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass \gset -SELECT pg_sleep(0.1); -- assume a minimum timestamp granularity of 100ms - pg_sleep ----------- - -(1 row) - --- cause one sequential scan -BEGIN; -SET LOCAL enable_seqscan TO on; -SET LOCAL enable_indexscan TO off; -SET LOCAL enable_bitmapscan TO off; -EXPLAIN (COSTS off) SELECT count(*) FROM test_last_scan WHERE noidx_col = 1; - QUERY PLAN ----------------------------------- - Aggregate - -> Seq Scan on test_last_scan - Filter: (noidx_col = 1) -(3 rows) - -SELECT count(*) FROM test_last_scan WHERE noidx_col = 1; - count -------- - 1 -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -COMMIT; --- check that just sequential scan stats were incremented -SELECT seq_scan, :'test_last_seq' < last_seq_scan AS seq_ok, idx_scan, :'test_last_idx' = last_idx_scan AS idx_ok -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass; - seq_scan | seq_ok | idx_scan | idx_ok -----------+--------+----------+-------- - 2 | t | 1 | t -(1 row) - --- fetch timestamps from before the next test -SELECT last_seq_scan AS test_last_seq, last_idx_scan AS test_last_idx -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass \gset -SELECT pg_sleep(0.1); - pg_sleep ----------- - -(1 row) - --- cause one index scan -BEGIN; -SET LOCAL enable_seqscan TO off; -SET LOCAL enable_indexscan TO on; -SET LOCAL enable_bitmapscan TO off; -EXPLAIN (COSTS off) SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - QUERY PLAN --------------------------------------------------------------- - Aggregate - -> Index Scan using test_last_scan_pkey on test_last_scan - Index Cond: (idx_col = 1) -(3 rows) - -SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - count -------- - 1 -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -COMMIT; --- check that just index scan stats were incremented -SELECT seq_scan, :'test_last_seq' = last_seq_scan AS seq_ok, idx_scan, :'test_last_idx' < last_idx_scan AS idx_ok -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass; - seq_scan | seq_ok | idx_scan | idx_ok -----------+--------+----------+-------- - 2 | t | 2 | t -(1 row) - --- fetch timestamps from before the next test -SELECT last_seq_scan AS test_last_seq, last_idx_scan AS test_last_idx -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass \gset -SELECT pg_sleep(0.1); - pg_sleep ----------- - -(1 row) - --- cause one bitmap index scan -BEGIN; -SET LOCAL enable_seqscan TO off; -SET LOCAL enable_indexscan TO off; -SET LOCAL enable_bitmapscan TO on; -EXPLAIN (COSTS off) SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - QUERY PLAN ------------------------------------------------------- - Aggregate - -> Bitmap Heap Scan on test_last_scan - Recheck Cond: (idx_col = 1) - -> Bitmap Index Scan on test_last_scan_pkey - Index Cond: (idx_col = 1) -(5 rows) - -SELECT count(*) FROM test_last_scan WHERE idx_col = 1; - count -------- - 1 -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -COMMIT; --- check that just index scan stats were incremented -SELECT seq_scan, :'test_last_seq' = last_seq_scan AS seq_ok, idx_scan, :'test_last_idx' < last_idx_scan AS idx_ok -FROM pg_stat_all_tables WHERE relid = 'test_last_scan'::regclass; - seq_scan | seq_ok | idx_scan | idx_ok -----------+--------+----------+-------- - 2 | t | 3 | t -(1 row) - ------ --- Test reset of some stats for shared table ------ --- This updates the comment of the database currently in use in --- pg_shdescription with a fake value, then sets it back to its --- original value. -SELECT shobj_description(d.oid, 'pg_database') as description_before - FROM pg_database d WHERE datname = current_database() \gset --- force some stats in pg_shdescription. -BEGIN; -SELECT current_database() as datname \gset -COMMENT ON DATABASE :"datname" IS 'This is a test comment'; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -COMMIT; --- check that the stats are reset. -SELECT (n_tup_ins + n_tup_upd) > 0 AS has_data FROM pg_stat_all_tables - WHERE relid = 'pg_shdescription'::regclass; - has_data ----------- - t -(1 row) - -SELECT pg_stat_reset_single_table_counters('pg_shdescription'::regclass); - pg_stat_reset_single_table_counters -------------------------------------- - -(1 row) - -SELECT (n_tup_ins + n_tup_upd) > 0 AS has_data FROM pg_stat_all_tables - WHERE relid = 'pg_shdescription'::regclass; - has_data ----------- - f -(1 row) - --- set back comment -\if :{?description_before} - COMMENT ON DATABASE :"datname" IS :'description_before'; -\else - COMMENT ON DATABASE :"datname" IS NULL; -\endif ------ --- Test that various stats views are being properly populated ------ --- Test that sessions is incremented when a new session is started in pg_stat_database -SELECT sessions AS db_stat_sessions FROM pg_stat_database WHERE datname = (SELECT current_database()) \gset -\c -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sessions > :db_stat_sessions FROM pg_stat_database WHERE datname = (SELECT current_database()); - ?column? ----------- - t -(1 row) - --- Test pg_stat_checkpointer checkpointer-related stats, together with pg_stat_wal -SELECT num_requested AS rqst_ckpts_before FROM pg_stat_checkpointer \gset --- Test pg_stat_wal -SELECT wal_bytes AS wal_bytes_before FROM pg_stat_wal \gset --- Test pg_stat_get_backend_wal() -SELECT wal_bytes AS backend_wal_bytes_before from pg_stat_get_backend_wal(pg_backend_pid()) \gset --- Make a temp table so our temp schema exists -CREATE TEMP TABLE test_stats_temp AS SELECT 17; -DROP TABLE test_stats_temp; --- Checkpoint twice: The checkpointer reports stats after reporting completion --- of the checkpoint. But after a second checkpoint we'll see at least the --- results of the first. -CHECKPOINT; -CHECKPOINT; -SELECT num_requested > :rqst_ckpts_before FROM pg_stat_checkpointer; - ?column? ----------- - t -(1 row) - -SELECT wal_bytes > :wal_bytes_before FROM pg_stat_wal; - ?column? ----------- - t -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT wal_bytes > :backend_wal_bytes_before FROM pg_stat_get_backend_wal(pg_backend_pid()); - ?column? ----------- - t -(1 row) - --- Test pg_stat_get_backend_idset() and some allied functions. --- In particular, verify that their notion of backend ID matches --- our temp schema index. -SELECT (current_schemas(true))[1] = ('pg_temp_' || beid::text) AS match -FROM pg_stat_get_backend_idset() beid -WHERE pg_stat_get_backend_pid(beid) = pg_backend_pid(); - match -------- - t -(1 row) - ------ --- Test that resetting stats works for reset timestamp ------ --- Test that reset_slru with a specified SLRU works. -SELECT stats_reset AS slru_commit_ts_reset_ts FROM pg_stat_slru WHERE name = 'commit_timestamp' \gset -SELECT stats_reset AS slru_notify_reset_ts FROM pg_stat_slru WHERE name = 'notify' \gset -SELECT pg_stat_reset_slru('commit_timestamp'); - pg_stat_reset_slru --------------------- - -(1 row) - -SELECT stats_reset > :'slru_commit_ts_reset_ts'::timestamptz FROM pg_stat_slru WHERE name = 'commit_timestamp'; - ?column? ----------- - t -(1 row) - -SELECT stats_reset AS slru_commit_ts_reset_ts FROM pg_stat_slru WHERE name = 'commit_timestamp' \gset --- Test that multiple SLRUs are reset when no specific SLRU provided to reset function -SELECT pg_stat_reset_slru(); - pg_stat_reset_slru --------------------- - -(1 row) - -SELECT stats_reset > :'slru_commit_ts_reset_ts'::timestamptz FROM pg_stat_slru WHERE name = 'commit_timestamp'; - ?column? ----------- - t -(1 row) - -SELECT stats_reset > :'slru_notify_reset_ts'::timestamptz FROM pg_stat_slru WHERE name = 'notify'; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with archiver specified as the stats type works -SELECT stats_reset AS archiver_reset_ts FROM pg_stat_archiver \gset -SELECT pg_stat_reset_shared('archiver'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT stats_reset > :'archiver_reset_ts'::timestamptz FROM pg_stat_archiver; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with bgwriter specified as the stats type works -SELECT stats_reset AS bgwriter_reset_ts FROM pg_stat_bgwriter \gset -SELECT pg_stat_reset_shared('bgwriter'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT stats_reset > :'bgwriter_reset_ts'::timestamptz FROM pg_stat_bgwriter; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with checkpointer specified as the stats type works -SELECT stats_reset AS checkpointer_reset_ts FROM pg_stat_checkpointer \gset -SELECT pg_stat_reset_shared('checkpointer'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT stats_reset > :'checkpointer_reset_ts'::timestamptz FROM pg_stat_checkpointer; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with recovery_prefetch specified as the stats type works -SELECT stats_reset AS recovery_prefetch_reset_ts FROM pg_stat_recovery_prefetch \gset -SELECT pg_stat_reset_shared('recovery_prefetch'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT stats_reset > :'recovery_prefetch_reset_ts'::timestamptz FROM pg_stat_recovery_prefetch; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with slru specified as the stats type works -SELECT max(stats_reset) AS slru_reset_ts FROM pg_stat_slru \gset -SELECT pg_stat_reset_shared('slru'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT max(stats_reset) > :'slru_reset_ts'::timestamptz FROM pg_stat_slru; - ?column? ----------- - t -(1 row) - --- Test that reset_shared with wal specified as the stats type works -SELECT stats_reset AS wal_reset_ts FROM pg_stat_wal \gset -SELECT pg_stat_reset_shared('wal'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT stats_reset > :'wal_reset_ts'::timestamptz FROM pg_stat_wal; - ?column? ----------- - t -(1 row) - --- Test error case for reset_shared with unknown stats type -SELECT pg_stat_reset_shared('unknown'); -ERROR: unrecognized reset target: "unknown" -HINT: Target must be "archiver", "bgwriter", "checkpointer", "io", "recovery_prefetch", "slru", or "wal". --- Test that reset works for pg_stat_database --- Since pg_stat_database stats_reset starts out as NULL, reset it once first so we have something to compare it to -SELECT pg_stat_reset(); - pg_stat_reset ---------------- - -(1 row) - -SELECT stats_reset AS db_reset_ts FROM pg_stat_database WHERE datname = (SELECT current_database()) \gset -SELECT pg_stat_reset(); - pg_stat_reset ---------------- - -(1 row) - -SELECT stats_reset > :'db_reset_ts'::timestamptz FROM pg_stat_database WHERE datname = (SELECT current_database()); - ?column? ----------- - t -(1 row) - ----- --- pg_stat_get_snapshot_timestamp behavior ----- -BEGIN; -SET LOCAL stats_fetch_consistency = snapshot; --- no snapshot yet, return NULL -SELECT pg_stat_get_snapshot_timestamp(); - pg_stat_get_snapshot_timestamp --------------------------------- - -(1 row) - --- any attempt at accessing stats will build snapshot -SELECT pg_stat_get_function_calls(0); - pg_stat_get_function_calls ----------------------------- - -(1 row) - -SELECT pg_stat_get_snapshot_timestamp() >= NOW(); - ?column? ----------- - t -(1 row) - --- shows NULL again after clearing -SELECT pg_stat_clear_snapshot(); - pg_stat_clear_snapshot ------------------------- - -(1 row) - -SELECT pg_stat_get_snapshot_timestamp(); - pg_stat_get_snapshot_timestamp --------------------------------- - -(1 row) - -COMMIT; ----- --- Changing stats_fetch_consistency in a transaction. ----- -BEGIN; --- Stats filled under the cache mode -SET LOCAL stats_fetch_consistency = cache; -SELECT pg_stat_get_function_calls(0); - pg_stat_get_function_calls ----------------------------- - -(1 row) - -SELECT pg_stat_get_snapshot_timestamp() IS NOT NULL AS snapshot_ok; - snapshot_ok -------------- - f -(1 row) - --- Success in accessing pre-existing snapshot data. -SET LOCAL stats_fetch_consistency = snapshot; -SELECT pg_stat_get_snapshot_timestamp() IS NOT NULL AS snapshot_ok; - snapshot_ok -------------- - f -(1 row) - -SELECT pg_stat_get_function_calls(0); - pg_stat_get_function_calls ----------------------------- - -(1 row) - -SELECT pg_stat_get_snapshot_timestamp() IS NOT NULL AS snapshot_ok; - snapshot_ok -------------- - t -(1 row) - --- Snapshot cleared. -SET LOCAL stats_fetch_consistency = none; -SELECT pg_stat_get_snapshot_timestamp() IS NOT NULL AS snapshot_ok; - snapshot_ok -------------- - f -(1 row) - -SELECT pg_stat_get_function_calls(0); - pg_stat_get_function_calls ----------------------------- - -(1 row) - -SELECT pg_stat_get_snapshot_timestamp() IS NOT NULL AS snapshot_ok; - snapshot_ok -------------- - f -(1 row) - -ROLLBACK; ----- --- pg_stat_have_stats behavior ----- --- fixed-numbered stats exist -SELECT pg_stat_have_stats('bgwriter', 0, 0); - pg_stat_have_stats --------------------- - t -(1 row) - --- unknown stats kinds error out -SELECT pg_stat_have_stats('zaphod', 0, 0); -ERROR: invalid statistics kind: "zaphod" --- db stats have objid 0 -SELECT pg_stat_have_stats('database', :dboid, 1); - pg_stat_have_stats --------------------- - f -(1 row) - -SELECT pg_stat_have_stats('database', :dboid, 0); - pg_stat_have_stats --------------------- - t -(1 row) - --- pg_stat_have_stats returns true for committed index creation -CREATE table stats_test_tab1 as select generate_series(1,10) a; -CREATE index stats_test_idx1 on stats_test_tab1(a); -SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset -SET enable_seqscan TO off; -select a from stats_test_tab1 where a = 3; - a ---- - 3 -(1 row) - -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - --- pg_stat_have_stats returns false for dropped index with stats -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - -DROP index stats_test_idx1; -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - f -(1 row) - --- pg_stat_have_stats returns false for rolled back index creation -BEGIN; -CREATE index stats_test_idx1 on stats_test_tab1(a); -SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset -select a from stats_test_tab1 where a = 3; - a ---- - 3 -(1 row) - -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - -ROLLBACK; -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - f -(1 row) - --- pg_stat_have_stats returns true for reindex CONCURRENTLY -CREATE index stats_test_idx1 on stats_test_tab1(a); -SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset -select a from stats_test_tab1 where a = 3; - a ---- - 3 -(1 row) - -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - -REINDEX index CONCURRENTLY stats_test_idx1; --- false for previous oid -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - f -(1 row) - --- true for new oid -SELECT 'stats_test_idx1'::regclass::oid AS stats_test_idx1_oid \gset -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - --- pg_stat_have_stats returns true for a rolled back drop index with stats -BEGIN; -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - -DROP index stats_test_idx1; -ROLLBACK; -SELECT pg_stat_have_stats('relation', :dboid, :stats_test_idx1_oid); - pg_stat_have_stats --------------------- - t -(1 row) - --- put enable_seqscan back to on -SET enable_seqscan TO on; --- ensure that stats accessors handle NULL input correctly -SELECT pg_stat_get_replication_slot(NULL); - pg_stat_get_replication_slot ------------------------------- - -(1 row) - -SELECT pg_stat_get_subscription_stats(NULL); - pg_stat_get_subscription_stats --------------------------------- - -(1 row) - --- Test that the following operations are tracked in pg_stat_io and in --- backend stats: --- - reads of target blocks into shared buffers --- - writes of shared buffers to permanent storage --- - extends of relations using shared buffers --- - fsyncs done to ensure the durability of data dirtying shared buffers --- - shared buffer hits --- - WAL writes and fsyncs in IOContext IOCONTEXT_NORMAL --- There is no test for blocks evicted from shared buffers, because we cannot --- be sure of the state of shared buffers at the point the test is run. --- Create a regular table and insert some data to generate IOCONTEXT_NORMAL --- extends. -SELECT pid AS checkpointer_pid FROM pg_stat_activity - WHERE backend_type = 'checkpointer' \gset -SELECT sum(extends) AS io_sum_shared_before_extends - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset -SELECT sum(extends) AS my_io_sum_shared_before_extends - FROM pg_stat_get_backend_io(pg_backend_pid()) - WHERE context = 'normal' AND object = 'relation' \gset -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_io - WHERE object = 'relation' \gset io_sum_shared_before_ -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_get_backend_io(pg_backend_pid()) - WHERE object = 'relation' \gset my_io_sum_shared_before_ -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_io - WHERE context = 'normal' AND object = 'wal' \gset io_sum_wal_normal_before_ -CREATE TABLE test_io_shared(a int); -INSERT INTO test_io_shared SELECT i FROM generate_series(1,100)i; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(extends) AS io_sum_shared_after_extends - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset -SELECT :io_sum_shared_after_extends > :io_sum_shared_before_extends; - ?column? ----------- - t -(1 row) - -SELECT sum(extends) AS my_io_sum_shared_after_extends - FROM pg_stat_get_backend_io(pg_backend_pid()) - WHERE context = 'normal' AND object = 'relation' \gset -SELECT :my_io_sum_shared_after_extends > :my_io_sum_shared_before_extends; - ?column? ----------- - t -(1 row) - --- After a checkpoint, there should be some additional IOCONTEXT_NORMAL writes --- and fsyncs in the global stats (usually not for the backend). --- See comment above for rationale for two explicit CHECKPOINTs. -CHECKPOINT; -CHECKPOINT; -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_io - WHERE object = 'relation' \gset io_sum_shared_after_ -SELECT :io_sum_shared_after_writes > :io_sum_shared_before_writes; - ?column? ----------- - t -(1 row) - -SELECT current_setting('fsync') = 'off' - OR :io_sum_shared_after_fsyncs > :io_sum_shared_before_fsyncs; - ?column? ----------- - t -(1 row) - -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_get_backend_io(pg_backend_pid()) - WHERE object = 'relation' \gset my_io_sum_shared_after_ -SELECT :my_io_sum_shared_after_writes >= :my_io_sum_shared_before_writes; - ?column? ----------- - t -(1 row) - -SELECT current_setting('fsync') = 'off' - OR :my_io_sum_shared_after_fsyncs >= :my_io_sum_shared_before_fsyncs; - ?column? ----------- - t -(1 row) - -SELECT sum(writes) AS writes, sum(fsyncs) AS fsyncs - FROM pg_stat_io - WHERE context = 'normal' AND object = 'wal' \gset io_sum_wal_normal_after_ -SELECT current_setting('synchronous_commit') = 'on'; - ?column? ----------- - t -(1 row) - -SELECT :io_sum_wal_normal_after_writes > :io_sum_wal_normal_before_writes; - ?column? ----------- - t -(1 row) - -SELECT current_setting('fsync') = 'off' - OR current_setting('wal_sync_method') IN ('open_sync', 'open_datasync') - OR :io_sum_wal_normal_after_fsyncs > :io_sum_wal_normal_before_fsyncs; - ?column? ----------- - t -(1 row) - --- Change the tablespace so that the table is rewritten directly, then SELECT --- from it to cause it to be read back into shared buffers. -SELECT sum(reads) AS io_sum_shared_before_reads - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset --- Do this in a transaction to prevent spurious failures due to concurrent accesses to our newly --- rewritten table, e.g. by autovacuum. -BEGIN; -ALTER TABLE test_io_shared SET TABLESPACE regress_tblspace; --- SELECT from the table so that the data is read into shared buffers and --- context 'normal', object 'relation' reads are counted. -SELECT COUNT(*) FROM test_io_shared; - count -------- - 100 -(1 row) - -COMMIT; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(reads) AS io_sum_shared_after_reads - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset -SELECT :io_sum_shared_after_reads > :io_sum_shared_before_reads; - ?column? ----------- - t -(1 row) - -SELECT sum(hits) AS io_sum_shared_before_hits - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset --- Select from the table again to count hits. --- Ensure we generate hits by forcing a nested loop self-join with no --- materialize node. The outer side's buffer will stay pinned, preventing its --- eviction, while we loop through the inner side and generate hits. -BEGIN; -SET LOCAL enable_nestloop TO on; SET LOCAL enable_mergejoin TO off; -SET LOCAL enable_hashjoin TO off; SET LOCAL enable_material TO off; --- ensure plan stays as we expect it to -EXPLAIN (COSTS OFF) SELECT COUNT(*) FROM test_io_shared t1 INNER JOIN test_io_shared t2 USING (a); - QUERY PLAN -------------------------------------------- - Aggregate - -> Nested Loop - Join Filter: (t1.a = t2.a) - -> Seq Scan on test_io_shared t1 - -> Seq Scan on test_io_shared t2 -(5 rows) - -SELECT COUNT(*) FROM test_io_shared t1 INNER JOIN test_io_shared t2 USING (a); - count -------- - 100 -(1 row) - -COMMIT; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(hits) AS io_sum_shared_after_hits - FROM pg_stat_io WHERE context = 'normal' AND object = 'relation' \gset -SELECT :io_sum_shared_after_hits > :io_sum_shared_before_hits; - ?column? ----------- - t -(1 row) - -DROP TABLE test_io_shared; --- Test that the follow IOCONTEXT_LOCAL IOOps are tracked in pg_stat_io: --- - eviction of local buffers in order to reuse them --- - reads of temporary table blocks into local buffers --- - writes of local buffers to permanent storage --- - extends of temporary tables --- Set temp_buffers to its minimum so that we can trigger writes with fewer --- inserted tuples. Do so in a new session in case temporary tables have been --- accessed by previous tests in this session. -\c -SET temp_buffers TO 100; -CREATE TEMPORARY TABLE test_io_local(a int, b TEXT); -SELECT sum(extends) AS extends, sum(evictions) AS evictions, sum(writes) AS writes - FROM pg_stat_io - WHERE context = 'normal' AND object = 'temp relation' \gset io_sum_local_before_ --- Insert tuples into the temporary table, generating extends in the stats. --- Insert enough values that we need to reuse and write out dirty local --- buffers, generating evictions and writes. -INSERT INTO test_io_local SELECT generate_series(1, 5000) as id, repeat('a', 200); --- Ensure the table is large enough to exceed our temp_buffers setting. -SELECT pg_relation_size('test_io_local') / current_setting('block_size')::int8 > 100; - ?column? ----------- - t -(1 row) - -SELECT sum(reads) AS io_sum_local_before_reads - FROM pg_stat_io WHERE context = 'normal' AND object = 'temp relation' \gset --- Read in evicted buffers, generating reads. -SELECT COUNT(*) FROM test_io_local; - count -------- - 5000 -(1 row) - -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(evictions) AS evictions, - sum(reads) AS reads, - sum(writes) AS writes, - sum(extends) AS extends - FROM pg_stat_io - WHERE context = 'normal' AND object = 'temp relation' \gset io_sum_local_after_ -SELECT :io_sum_local_after_evictions > :io_sum_local_before_evictions, - :io_sum_local_after_reads > :io_sum_local_before_reads, - :io_sum_local_after_writes > :io_sum_local_before_writes, - :io_sum_local_after_extends > :io_sum_local_before_extends; - ?column? | ?column? | ?column? | ?column? -----------+----------+----------+---------- - t | t | t | t -(1 row) - --- Change the tablespaces so that the temporary table is rewritten to other --- local buffers, exercising a different codepath than standard local buffer --- writes. -ALTER TABLE test_io_local SET TABLESPACE regress_tblspace; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(writes) AS io_sum_local_new_tblspc_writes - FROM pg_stat_io WHERE context = 'normal' AND object = 'temp relation' \gset -SELECT :io_sum_local_new_tblspc_writes > :io_sum_local_after_writes; - ?column? ----------- - t -(1 row) - -RESET temp_buffers; --- Test that reuse of strategy buffers and reads of blocks into these reused --- buffers while VACUUMing are tracked in pg_stat_io. If there is sufficient --- demand for shared buffers from concurrent queries, some buffers may be --- pinned by other backends before they can be reused. In such cases, the --- backend will evict a buffer from outside the ring and add it to the --- ring. This is considered an eviction and not a reuse. --- Set wal_skip_threshold smaller than the expected size of --- test_io_vac_strategy so that, even if wal_level is minimal, VACUUM FULL will --- fsync the newly rewritten test_io_vac_strategy instead of writing it to WAL. --- Writing it to WAL will result in the newly written relation pages being in --- shared buffers -- preventing us from testing BAS_VACUUM BufferAccessStrategy --- reads. -SET wal_skip_threshold = '1 kB'; -SELECT sum(reuses) AS reuses, sum(reads) AS reads, sum(evictions) AS evictions - FROM pg_stat_io WHERE context = 'vacuum' \gset io_sum_vac_strategy_before_ -CREATE TABLE test_io_vac_strategy(a int, b int) WITH (autovacuum_enabled = 'false'); -INSERT INTO test_io_vac_strategy SELECT i, i from generate_series(1, 4500)i; --- Ensure that the next VACUUM will need to perform IO by rewriting the table --- first with VACUUM (FULL). -VACUUM (FULL) test_io_vac_strategy; --- Use the minimum BUFFER_USAGE_LIMIT to cause reuses or evictions with the --- smallest table possible. -VACUUM (PARALLEL 0, BUFFER_USAGE_LIMIT 128) test_io_vac_strategy; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(reuses) AS reuses, sum(reads) AS reads, sum(evictions) AS evictions - FROM pg_stat_io WHERE context = 'vacuum' \gset io_sum_vac_strategy_after_ -SELECT :io_sum_vac_strategy_after_reads > :io_sum_vac_strategy_before_reads; - ?column? ----------- - t -(1 row) - -SELECT (:io_sum_vac_strategy_after_reuses + :io_sum_vac_strategy_after_evictions) > - (:io_sum_vac_strategy_before_reuses + :io_sum_vac_strategy_before_evictions); - ?column? ----------- - t -(1 row) - -RESET wal_skip_threshold; --- Test that extends done by a CTAS, which uses a BAS_BULKWRITE --- BufferAccessStrategy, are tracked in pg_stat_io. -SELECT sum(extends) AS io_sum_bulkwrite_strategy_extends_before - FROM pg_stat_io WHERE context = 'bulkwrite' \gset -CREATE TABLE test_io_bulkwrite_strategy AS SELECT i FROM generate_series(1,100)i; -SELECT pg_stat_force_next_flush(); - pg_stat_force_next_flush --------------------------- - -(1 row) - -SELECT sum(extends) AS io_sum_bulkwrite_strategy_extends_after - FROM pg_stat_io WHERE context = 'bulkwrite' \gset -SELECT :io_sum_bulkwrite_strategy_extends_after > :io_sum_bulkwrite_strategy_extends_before; - ?column? ----------- - t -(1 row) - --- Test IO stats reset -SELECT pg_stat_have_stats('io', 0, 0); - pg_stat_have_stats --------------------- - t -(1 row) - -SELECT sum(evictions) + sum(reuses) + sum(extends) + sum(fsyncs) + sum(reads) + sum(writes) + sum(writebacks) + sum(hits) AS io_stats_pre_reset - FROM pg_stat_io \gset -SELECT sum(evictions) + sum(reuses) + sum(extends) + sum(fsyncs) + sum(reads) + sum(writes) + sum(writebacks) + sum(hits) AS my_io_stats_pre_reset - FROM pg_stat_get_backend_io(pg_backend_pid()) \gset -SELECT pg_stat_reset_shared('io'); - pg_stat_reset_shared ----------------------- - -(1 row) - -SELECT sum(evictions) + sum(reuses) + sum(extends) + sum(fsyncs) + sum(reads) + sum(writes) + sum(writebacks) + sum(hits) AS io_stats_post_reset - FROM pg_stat_io \gset -SELECT :io_stats_post_reset < :io_stats_pre_reset; - ?column? ----------- - t -(1 row) - -SELECT sum(evictions) + sum(reuses) + sum(extends) + sum(fsyncs) + sum(reads) + sum(writes) + sum(writebacks) + sum(hits) AS my_io_stats_post_reset - FROM pg_stat_get_backend_io(pg_backend_pid()) \gset --- pg_stat_reset_shared() did not reset backend IO stats -SELECT :my_io_stats_pre_reset <= :my_io_stats_post_reset; - ?column? ----------- - t -(1 row) - --- but pg_stat_reset_backend_stats() does -SELECT pg_stat_reset_backend_stats(pg_backend_pid()); - pg_stat_reset_backend_stats ------------------------------ - -(1 row) - -SELECT sum(evictions) + sum(reuses) + sum(extends) + sum(fsyncs) + sum(reads) + sum(writes) + sum(writebacks) + sum(hits) AS my_io_stats_post_backend_reset - FROM pg_stat_get_backend_io(pg_backend_pid()) \gset -SELECT :my_io_stats_pre_reset > :my_io_stats_post_backend_reset; - ?column? ----------- - t -(1 row) - --- Check invalid input for pg_stat_get_backend_io() -SELECT pg_stat_get_backend_io(NULL); - pg_stat_get_backend_io ------------------------- -(0 rows) - -SELECT pg_stat_get_backend_io(0); - pg_stat_get_backend_io ------------------------- -(0 rows) - --- Auxiliary processes return no data. -SELECT pg_stat_get_backend_io(:checkpointer_pid); - pg_stat_get_backend_io ------------------------- -(0 rows) - --- test BRIN index doesn't block HOT update -CREATE TABLE brin_hot ( - id integer PRIMARY KEY, - val integer NOT NULL -) WITH (autovacuum_enabled = off, fillfactor = 70); -INSERT INTO brin_hot SELECT *, 0 FROM generate_series(1, 235); -CREATE INDEX val_brin ON brin_hot using brin(val); -CREATE FUNCTION wait_for_hot_stats() RETURNS void AS $$ -DECLARE - start_time timestamptz := clock_timestamp(); - updated bool; -BEGIN - -- we don't want to wait forever; loop will exit after 30 seconds - FOR i IN 1 .. 300 LOOP - SELECT (pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid) > 0) INTO updated; - EXIT WHEN updated; - - -- wait a little - PERFORM pg_sleep_for('100 milliseconds'); - -- reset stats snapshot so we can test again - PERFORM pg_stat_clear_snapshot(); - END LOOP; - -- report time waited in postmaster log (where it won't change test output) - RAISE log 'wait_for_hot_stats delayed % seconds', - EXTRACT(epoch FROM clock_timestamp() - start_time); -END -$$ LANGUAGE plpgsql; -UPDATE brin_hot SET val = -3 WHERE id = 42; --- We can't just call wait_for_hot_stats() at this point, because we only --- transmit stats when the session goes idle, and we probably didn't --- transmit the last couple of counts yet thanks to the rate-limiting logic --- in pgstat_report_stat(). But instead of waiting for the rate limiter's --- timeout to elapse, let's just start a new session. The old one will --- then send its stats before dying. -\c - -SELECT wait_for_hot_stats(); - wait_for_hot_stats --------------------- - -(1 row) - -SELECT pg_stat_get_tuples_hot_updated('brin_hot'::regclass::oid); - pg_stat_get_tuples_hot_updated --------------------------------- - 1 -(1 row) - -DROP TABLE brin_hot; -DROP FUNCTION wait_for_hot_stats(); --- Test handling of index predicates - updating attributes in precicates --- should not block HOT when summarizing indexes are involved. We update --- a row that was not indexed due to the index predicate, and becomes --- indexable - the HOT-updated tuple is forwarded to the BRIN index. -CREATE TABLE brin_hot_2 (a int, b int); -INSERT INTO brin_hot_2 VALUES (1, 100); -CREATE INDEX ON brin_hot_2 USING brin (b) WHERE a = 2; -UPDATE brin_hot_2 SET a = 2; -EXPLAIN (COSTS OFF) SELECT * FROM brin_hot_2 WHERE a = 2 AND b = 100; - QUERY PLAN ------------------------------------ - Seq Scan on brin_hot_2 - Filter: ((a = 2) AND (b = 100)) -(2 rows) - -SELECT COUNT(*) FROM brin_hot_2 WHERE a = 2 AND b = 100; - count -------- - 1 -(1 row) - -SET enable_seqscan = off; -EXPLAIN (COSTS OFF) SELECT * FROM brin_hot_2 WHERE a = 2 AND b = 100; - QUERY PLAN ---------------------------------------------- - Bitmap Heap Scan on brin_hot_2 - Recheck Cond: ((b = 100) AND (a = 2)) - -> Bitmap Index Scan on brin_hot_2_b_idx - Index Cond: (b = 100) -(4 rows) - -SELECT COUNT(*) FROM brin_hot_2 WHERE a = 2 AND b = 100; - count -------- - 1 -(1 row) - -DROP TABLE brin_hot_2; --- Test that updates to indexed columns are still propagated to the --- BRIN column. --- https://postgr.es/m/05ebcb44-f383-86e3-4f31-0a97a55634cf@enterprisedb.com -CREATE TABLE brin_hot_3 (a int, filler text) WITH (fillfactor = 10); -INSERT INTO brin_hot_3 SELECT 1, repeat(' ', 500) FROM generate_series(1, 20); -CREATE INDEX ON brin_hot_3 USING brin (a) WITH (pages_per_range = 1); -UPDATE brin_hot_3 SET a = 2; -EXPLAIN (COSTS OFF) SELECT * FROM brin_hot_3 WHERE a = 2; - QUERY PLAN ---------------------------------------------- - Bitmap Heap Scan on brin_hot_3 - Recheck Cond: (a = 2) - -> Bitmap Index Scan on brin_hot_3_a_idx - Index Cond: (a = 2) -(4 rows) - -SELECT COUNT(*) FROM brin_hot_3 WHERE a = 2; - count -------- - 20 -(1 row) - -DROP TABLE brin_hot_3; -SET enable_seqscan = on; --- Test that estimation of relation size works with tuples wider than the --- relation fillfactor. We create a table with wide inline attributes and --- low fillfactor, insert rows and then see how many rows EXPLAIN shows --- before running analyze. We disable autovacuum so that it does not --- interfere with the test. -CREATE TABLE table_fillfactor ( - n char(1000) -) with (fillfactor=10, autovacuum_enabled=off); -INSERT INTO table_fillfactor -SELECT 'x' FROM generate_series(1,1000); -SELECT * FROM check_estimated_rows('SELECT * FROM table_fillfactor'); - estimated | actual ------------+-------- - 1000 | 1000 -(1 row) - -DROP TABLE table_fillfactor; --- End of Stats Test +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/predicate.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/predicate.out --- /tmp/cirrus-ci-build/src/test/regress/expected/predicate.out 2025-06-04 16:00:28.776358000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/predicate.out 2025-06-04 16:05:11.688322000 +0000 @@ -1,363 +1,2 @@ --- --- Tests for predicate handling --- --- --- Test that restrictions that are always true are ignored, and that are always --- false are replaced with constant-FALSE --- --- Currently we only check for NullTest quals and OR clauses that include --- NullTest quals. We may extend it in the future. --- -CREATE TABLE pred_tab (a int NOT NULL, b int, c int NOT NULL); --- --- Test restriction clauses --- --- Ensure the IS_NOT_NULL qual is ignored when the column is non-nullable -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.a IS NOT NULL; - QUERY PLAN ------------------------- - Seq Scan on pred_tab t -(1 row) - --- Ensure the IS_NOT_NULL qual is not ignored on a nullable column -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.b IS NOT NULL; - QUERY PLAN ---------------------------- - Seq Scan on pred_tab t - Filter: (b IS NOT NULL) -(2 rows) - --- Ensure the IS_NULL qual is reduced to constant-FALSE for non-nullable --- columns -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.a IS NULL; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - --- Ensure the IS_NULL qual is not reduced to constant-FALSE on nullable --- columns -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.b IS NULL; - QUERY PLAN ------------------------- - Seq Scan on pred_tab t - Filter: (b IS NULL) -(2 rows) - --- --- Tests for OR clauses in restriction clauses --- --- Ensure the OR clause is ignored when an OR branch is always true -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.a IS NOT NULL OR t.b = 1; - QUERY PLAN ------------------------- - Seq Scan on pred_tab t -(1 row) - --- Ensure the OR clause is not ignored for NullTests that can't be proven --- always true -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.b IS NOT NULL OR t.a = 1; - QUERY PLAN ----------------------------------------- - Seq Scan on pred_tab t - Filter: ((b IS NOT NULL) OR (a = 1)) -(2 rows) - --- Ensure the OR clause is reduced to constant-FALSE when all branches are --- provably false -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.a IS NULL OR t.c IS NULL; - QUERY PLAN --------------------------- - Result - One-Time Filter: false -(2 rows) - --- Ensure the OR clause is not reduced to constant-FALSE when not all branches --- are provably false -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t WHERE t.b IS NULL OR t.c IS NULL; - QUERY PLAN ----------------------------------------- - Seq Scan on pred_tab t - Filter: ((b IS NULL) OR (c IS NULL)) -(2 rows) - --- --- Test join clauses --- --- Ensure the IS_NOT_NULL qual is ignored, since a) it's on a NOT NULL column, --- and b) its Var is not nullable by any outer joins -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON t1.a IS NOT NULL; - QUERY PLAN -------------------------------------- - Nested Loop Left Join - -> Seq Scan on pred_tab t1 - -> Materialize - -> Seq Scan on pred_tab t2 -(4 rows) - --- Ensure the IS_NOT_NULL qual is not ignored when columns are made nullable --- by an outer join -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - FULL JOIN pred_tab t2 ON t1.a = t2.a - LEFT JOIN pred_tab t3 ON t2.a IS NOT NULL; - QUERY PLAN -------------------------------------------- - Nested Loop Left Join - Join Filter: (t2.a IS NOT NULL) - -> Merge Full Join - Merge Cond: (t1.a = t2.a) - -> Sort - Sort Key: t1.a - -> Seq Scan on pred_tab t1 - -> Sort - Sort Key: t2.a - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab t3 -(12 rows) - --- Ensure the IS_NULL qual is reduced to constant-FALSE, since a) it's on a NOT --- NULL column, and b) its Var is not nullable by any outer joins -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON t1.a IS NULL; - QUERY PLAN --------------------------------- - Nested Loop Left Join - Join Filter: false - -> Seq Scan on pred_tab t1 - -> Result - One-Time Filter: false -(5 rows) - --- Ensure the IS_NULL qual is not reduced to constant-FALSE when the column is --- nullable by an outer join -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON t1.a = 1 - LEFT JOIN pred_tab t3 ON t2.a IS NULL; - QUERY PLAN -------------------------------------------- - Nested Loop Left Join - Join Filter: (t2.a IS NULL) - -> Nested Loop Left Join - Join Filter: (t1.a = 1) - -> Seq Scan on pred_tab t1 - -> Materialize - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab t3 -(9 rows) - --- --- Tests for OR clauses in join clauses --- --- Ensure the OR clause is ignored when an OR branch is provably always true -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON t1.a IS NOT NULL OR t2.b = 1; - QUERY PLAN -------------------------------------- - Nested Loop Left Join - -> Seq Scan on pred_tab t1 - -> Materialize - -> Seq Scan on pred_tab t2 -(4 rows) - --- Ensure the NullTest is not ignored when the column is nullable by an outer --- join -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - FULL JOIN pred_tab t2 ON t1.a = t2.a - LEFT JOIN pred_tab t3 ON t2.a IS NOT NULL OR t2.b = 1; - QUERY PLAN ---------------------------------------------------- - Nested Loop Left Join - Join Filter: ((t2.a IS NOT NULL) OR (t2.b = 1)) - -> Merge Full Join - Merge Cond: (t1.a = t2.a) - -> Sort - Sort Key: t1.a - -> Seq Scan on pred_tab t1 - -> Sort - Sort Key: t2.a - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab t3 -(12 rows) - --- Ensure the OR clause is reduced to constant-FALSE when all OR branches are --- provably false -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON (t1.a IS NULL OR t1.c IS NULL); - QUERY PLAN --------------------------------- - Nested Loop Left Join - Join Filter: false - -> Seq Scan on pred_tab t1 - -> Result - One-Time Filter: false -(5 rows) - --- Ensure the OR clause is not reduced to constant-FALSE when a column is --- made nullable from an outer join -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON t1.a = 1 - LEFT JOIN pred_tab t3 ON t2.a IS NULL OR t2.c IS NULL; - QUERY PLAN ---------------------------------------------------- - Nested Loop Left Join - Join Filter: ((t2.a IS NULL) OR (t2.c IS NULL)) - -> Nested Loop Left Join - Join Filter: (t1.a = 1) - -> Seq Scan on pred_tab t1 - -> Materialize - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab t3 -(9 rows) - -DROP TABLE pred_tab; --- Validate we handle IS NULL and IS NOT NULL quals correctly with inheritance --- parents. -CREATE TABLE pred_parent (a int); -CREATE TABLE pred_child () INHERITS (pred_parent); -ALTER TABLE ONLY pred_parent ALTER a SET NOT NULL; --- Ensure that the scan on pred_child contains the IS NOT NULL qual. -EXPLAIN (COSTS OFF) -SELECT * FROM pred_parent WHERE a IS NOT NULL; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on pred_parent pred_parent_1 - -> Seq Scan on pred_child pred_parent_2 - Filter: (a IS NOT NULL) -(4 rows) - --- Ensure we only scan pred_child and not pred_parent -EXPLAIN (COSTS OFF) -SELECT * FROM pred_parent WHERE a IS NULL; - QUERY PLAN ------------------------------------- - Seq Scan on pred_child pred_parent - Filter: (a IS NULL) -(2 rows) - -ALTER TABLE pred_parent ALTER a DROP NOT NULL; -ALTER TABLE pred_child ALTER a SET NOT NULL; --- Ensure the IS NOT NULL qual is removed from the pred_child scan. -EXPLAIN (COSTS OFF) -SELECT * FROM pred_parent WHERE a IS NOT NULL; - QUERY PLAN ---------------------------------------------- - Append - -> Seq Scan on pred_parent pred_parent_1 - Filter: (a IS NOT NULL) - -> Seq Scan on pred_child pred_parent_2 -(4 rows) - --- Ensure we only scan pred_parent and not pred_child -EXPLAIN (COSTS OFF) -SELECT * FROM pred_parent WHERE a IS NULL; - QUERY PLAN -------------------------- - Seq Scan on pred_parent - Filter: (a IS NULL) -(2 rows) - -DROP TABLE pred_parent, pred_child; --- Validate we do not reduce a clone clause to a constant true or false -CREATE TABLE pred_tab (a int, b int); -CREATE TABLE pred_tab_notnull (a int, b int NOT NULL); -INSERT INTO pred_tab VALUES (1, 1); -INSERT INTO pred_tab VALUES (2, 2); -INSERT INTO pred_tab_notnull VALUES (2, 2); -INSERT INTO pred_tab_notnull VALUES (3, 3); -ANALYZE pred_tab; -ANALYZE pred_tab_notnull; --- Ensure the IS_NOT_NULL qual is not reduced to constant true and removed -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON TRUE - LEFT JOIN pred_tab_notnull t3 ON t2.a = t3.a - LEFT JOIN pred_tab t4 ON t3.b IS NOT NULL; - QUERY PLAN ---------------------------------------------------------------- - Nested Loop Left Join - -> Seq Scan on pred_tab t1 - -> Materialize - -> Nested Loop Left Join - Join Filter: (t3.b IS NOT NULL) - -> Nested Loop Left Join - Join Filter: (t2.a = t3.a) - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab_notnull t3 - -> Materialize - -> Seq Scan on pred_tab t4 -(12 rows) - -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON TRUE - LEFT JOIN pred_tab_notnull t3 ON t2.a = t3.a - LEFT JOIN pred_tab t4 ON t3.b IS NOT NULL; - a | b | a | b | a | b | a | b ----+---+---+---+---+---+---+--- - 1 | 1 | 1 | 1 | | | | - 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 - 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 - 2 | 2 | 1 | 1 | | | | - 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 - 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 -(6 rows) - --- Ensure the IS_NULL qual is not reduced to constant false -EXPLAIN (COSTS OFF) -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON TRUE - LEFT JOIN pred_tab_notnull t3 ON t2.a = t3.a - LEFT JOIN pred_tab t4 ON t3.b IS NULL AND t3.a IS NOT NULL; - QUERY PLAN --------------------------------------------------------------------- - Nested Loop Left Join - -> Seq Scan on pred_tab t1 - -> Materialize - -> Nested Loop Left Join - Join Filter: ((t3.b IS NULL) AND (t3.a IS NOT NULL)) - -> Nested Loop Left Join - Join Filter: (t2.a = t3.a) - -> Seq Scan on pred_tab t2 - -> Materialize - -> Seq Scan on pred_tab_notnull t3 - -> Materialize - -> Seq Scan on pred_tab t4 -(12 rows) - -SELECT * FROM pred_tab t1 - LEFT JOIN pred_tab t2 ON TRUE - LEFT JOIN pred_tab_notnull t3 ON t2.a = t3.a - LEFT JOIN pred_tab t4 ON t3.b IS NULL AND t3.a IS NOT NULL; - a | b | a | b | a | b | a | b ----+---+---+---+---+---+---+--- - 1 | 1 | 1 | 1 | | | | - 1 | 1 | 2 | 2 | 2 | 2 | | - 2 | 2 | 1 | 1 | | | | - 2 | 2 | 2 | 2 | 2 | 2 | | -(4 rows) - -DROP TABLE pred_tab; -DROP TABLE pred_tab_notnull; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/numa_1.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/numa.out --- /tmp/cirrus-ci-build/src/test/regress/expected/numa_1.out 2025-06-04 16:00:28.761317000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/numa.out 2025-06-04 16:05:11.689005000 +0000 @@ -1,5 +1,2 @@ -SELECT NOT(pg_numa_available()) AS skip_test \gset -\if :skip_test -SELECT COUNT(*) = 0 AS ok FROM pg_shmem_allocations_numa; -ERROR: libnuma initialization failed or NUMA is not supported on this platform -\quit +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/oidjoins.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/oidjoins.out --- /tmp/cirrus-ci-build/src/test/regress/expected/oidjoins.out 2025-06-04 16:00:28.767479000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/oidjoins.out 2025-06-04 16:05:12.577337000 +0000 @@ -1,268 +1,2 @@ --- --- Verify system catalog foreign key relationships --- -DO $doblock$ -declare - fk record; - nkeys integer; - cmd text; - err record; -begin - for fk in select * from pg_get_catalog_foreign_keys() - loop - raise notice 'checking % % => % %', - fk.fktable, fk.fkcols, fk.pktable, fk.pkcols; - nkeys := array_length(fk.fkcols, 1); - cmd := 'SELECT ctid'; - for i in 1 .. nkeys loop - cmd := cmd || ', ' || quote_ident(fk.fkcols[i]); - end loop; - if fk.is_array then - cmd := cmd || ' FROM (SELECT ctid'; - for i in 1 .. nkeys-1 loop - cmd := cmd || ', ' || quote_ident(fk.fkcols[i]); - end loop; - cmd := cmd || ', unnest(' || quote_ident(fk.fkcols[nkeys]); - cmd := cmd || ') as ' || quote_ident(fk.fkcols[nkeys]); - cmd := cmd || ' FROM ' || fk.fktable::text || ') fk WHERE '; - else - cmd := cmd || ' FROM ' || fk.fktable::text || ' fk WHERE '; - end if; - if fk.is_opt then - for i in 1 .. nkeys loop - cmd := cmd || quote_ident(fk.fkcols[i]) || ' != 0 AND '; - end loop; - end if; - cmd := cmd || 'NOT EXISTS(SELECT 1 FROM ' || fk.pktable::text || ' pk WHERE '; - for i in 1 .. nkeys loop - if i > 1 then cmd := cmd || ' AND '; end if; - cmd := cmd || 'pk.' || quote_ident(fk.pkcols[i]); - cmd := cmd || ' = fk.' || quote_ident(fk.fkcols[i]); - end loop; - cmd := cmd || ')'; - -- raise notice 'cmd = %', cmd; - for err in execute cmd loop - raise warning 'FK VIOLATION IN %(%): %', fk.fktable, fk.fkcols, err; - end loop; - end loop; -end -$doblock$; -NOTICE: checking pg_proc {pronamespace} => pg_namespace {oid} -NOTICE: checking pg_proc {proowner} => pg_authid {oid} -NOTICE: checking pg_proc {prolang} => pg_language {oid} -NOTICE: checking pg_proc {provariadic} => pg_type {oid} -NOTICE: checking pg_proc {prosupport} => pg_proc {oid} -NOTICE: checking pg_proc {prorettype} => pg_type {oid} -NOTICE: checking pg_proc {proargtypes} => pg_type {oid} -NOTICE: checking pg_proc {proallargtypes} => pg_type {oid} -NOTICE: checking pg_proc {protrftypes} => pg_type {oid} -NOTICE: checking pg_type {typnamespace} => pg_namespace {oid} -NOTICE: checking pg_type {typowner} => pg_authid {oid} -NOTICE: checking pg_type {typrelid} => pg_class {oid} -NOTICE: checking pg_type {typsubscript} => pg_proc {oid} -NOTICE: checking pg_type {typelem} => pg_type {oid} -NOTICE: checking pg_type {typarray} => pg_type {oid} -NOTICE: checking pg_type {typinput} => pg_proc {oid} -NOTICE: checking pg_type {typoutput} => pg_proc {oid} -NOTICE: checking pg_type {typreceive} => pg_proc {oid} -NOTICE: checking pg_type {typsend} => pg_proc {oid} -NOTICE: checking pg_type {typmodin} => pg_proc {oid} -NOTICE: checking pg_type {typmodout} => pg_proc {oid} -NOTICE: checking pg_type {typanalyze} => pg_proc {oid} -NOTICE: checking pg_type {typbasetype} => pg_type {oid} -NOTICE: checking pg_type {typcollation} => pg_collation {oid} -NOTICE: checking pg_attribute {attrelid} => pg_class {oid} -NOTICE: checking pg_attribute {atttypid} => pg_type {oid} -NOTICE: checking pg_attribute {attcollation} => pg_collation {oid} -NOTICE: checking pg_class {relnamespace} => pg_namespace {oid} -NOTICE: checking pg_class {reltype} => pg_type {oid} -NOTICE: checking pg_class {reloftype} => pg_type {oid} -NOTICE: checking pg_class {relowner} => pg_authid {oid} -NOTICE: checking pg_class {relam} => pg_am {oid} -NOTICE: checking pg_class {reltablespace} => pg_tablespace {oid} -NOTICE: checking pg_class {reltoastrelid} => pg_class {oid} -NOTICE: checking pg_class {relrewrite} => pg_class {oid} -NOTICE: checking pg_attrdef {adrelid} => pg_class {oid} -NOTICE: checking pg_attrdef {adrelid,adnum} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_constraint {connamespace} => pg_namespace {oid} -NOTICE: checking pg_constraint {conrelid} => pg_class {oid} -NOTICE: checking pg_constraint {contypid} => pg_type {oid} -NOTICE: checking pg_constraint {conindid} => pg_class {oid} -NOTICE: checking pg_constraint {conparentid} => pg_constraint {oid} -NOTICE: checking pg_constraint {confrelid} => pg_class {oid} -NOTICE: checking pg_constraint {conpfeqop} => pg_operator {oid} -NOTICE: checking pg_constraint {conppeqop} => pg_operator {oid} -NOTICE: checking pg_constraint {conffeqop} => pg_operator {oid} -NOTICE: checking pg_constraint {conexclop} => pg_operator {oid} -NOTICE: checking pg_constraint {conrelid,conkey} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_constraint {confrelid,confkey} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_inherits {inhrelid} => pg_class {oid} -NOTICE: checking pg_inherits {inhparent} => pg_class {oid} -NOTICE: checking pg_index {indexrelid} => pg_class {oid} -NOTICE: checking pg_index {indrelid} => pg_class {oid} -NOTICE: checking pg_index {indcollation} => pg_collation {oid} -NOTICE: checking pg_index {indclass} => pg_opclass {oid} -NOTICE: checking pg_index {indrelid,indkey} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_operator {oprnamespace} => pg_namespace {oid} -NOTICE: checking pg_operator {oprowner} => pg_authid {oid} -NOTICE: checking pg_operator {oprleft} => pg_type {oid} -NOTICE: checking pg_operator {oprright} => pg_type {oid} -NOTICE: checking pg_operator {oprresult} => pg_type {oid} -NOTICE: checking pg_operator {oprcom} => pg_operator {oid} -NOTICE: checking pg_operator {oprnegate} => pg_operator {oid} -NOTICE: checking pg_operator {oprcode} => pg_proc {oid} -NOTICE: checking pg_operator {oprrest} => pg_proc {oid} -NOTICE: checking pg_operator {oprjoin} => pg_proc {oid} -NOTICE: checking pg_opfamily {opfmethod} => pg_am {oid} -NOTICE: checking pg_opfamily {opfnamespace} => pg_namespace {oid} -NOTICE: checking pg_opfamily {opfowner} => pg_authid {oid} -NOTICE: checking pg_opclass {opcmethod} => pg_am {oid} -NOTICE: checking pg_opclass {opcnamespace} => pg_namespace {oid} -NOTICE: checking pg_opclass {opcowner} => pg_authid {oid} -NOTICE: checking pg_opclass {opcfamily} => pg_opfamily {oid} -NOTICE: checking pg_opclass {opcintype} => pg_type {oid} -NOTICE: checking pg_opclass {opckeytype} => pg_type {oid} -NOTICE: checking pg_am {amhandler} => pg_proc {oid} -NOTICE: checking pg_amop {amopfamily} => pg_opfamily {oid} -NOTICE: checking pg_amop {amoplefttype} => pg_type {oid} -NOTICE: checking pg_amop {amoprighttype} => pg_type {oid} -NOTICE: checking pg_amop {amopopr} => pg_operator {oid} -NOTICE: checking pg_amop {amopmethod} => pg_am {oid} -NOTICE: checking pg_amop {amopsortfamily} => pg_opfamily {oid} -NOTICE: checking pg_amproc {amprocfamily} => pg_opfamily {oid} -NOTICE: checking pg_amproc {amproclefttype} => pg_type {oid} -NOTICE: checking pg_amproc {amprocrighttype} => pg_type {oid} -NOTICE: checking pg_amproc {amproc} => pg_proc {oid} -NOTICE: checking pg_language {lanowner} => pg_authid {oid} -NOTICE: checking pg_language {lanplcallfoid} => pg_proc {oid} -NOTICE: checking pg_language {laninline} => pg_proc {oid} -NOTICE: checking pg_language {lanvalidator} => pg_proc {oid} -NOTICE: checking pg_largeobject_metadata {lomowner} => pg_authid {oid} -NOTICE: checking pg_largeobject {loid} => pg_largeobject_metadata {oid} -NOTICE: checking pg_aggregate {aggfnoid} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggtransfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggfinalfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggcombinefn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggserialfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggdeserialfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggmtransfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggminvtransfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggmfinalfn} => pg_proc {oid} -NOTICE: checking pg_aggregate {aggsortop} => pg_operator {oid} -NOTICE: checking pg_aggregate {aggtranstype} => pg_type {oid} -NOTICE: checking pg_aggregate {aggmtranstype} => pg_type {oid} -NOTICE: checking pg_statistic {starelid} => pg_class {oid} -NOTICE: checking pg_statistic {staop1} => pg_operator {oid} -NOTICE: checking pg_statistic {staop2} => pg_operator {oid} -NOTICE: checking pg_statistic {staop3} => pg_operator {oid} -NOTICE: checking pg_statistic {staop4} => pg_operator {oid} -NOTICE: checking pg_statistic {staop5} => pg_operator {oid} -NOTICE: checking pg_statistic {stacoll1} => pg_collation {oid} -NOTICE: checking pg_statistic {stacoll2} => pg_collation {oid} -NOTICE: checking pg_statistic {stacoll3} => pg_collation {oid} -NOTICE: checking pg_statistic {stacoll4} => pg_collation {oid} -NOTICE: checking pg_statistic {stacoll5} => pg_collation {oid} -NOTICE: checking pg_statistic {starelid,staattnum} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_statistic_ext {stxrelid} => pg_class {oid} -NOTICE: checking pg_statistic_ext {stxnamespace} => pg_namespace {oid} -NOTICE: checking pg_statistic_ext {stxowner} => pg_authid {oid} -NOTICE: checking pg_statistic_ext {stxrelid,stxkeys} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_statistic_ext_data {stxoid} => pg_statistic_ext {oid} -NOTICE: checking pg_rewrite {ev_class} => pg_class {oid} -NOTICE: checking pg_trigger {tgrelid} => pg_class {oid} -NOTICE: checking pg_trigger {tgparentid} => pg_trigger {oid} -NOTICE: checking pg_trigger {tgfoid} => pg_proc {oid} -NOTICE: checking pg_trigger {tgconstrrelid} => pg_class {oid} -NOTICE: checking pg_trigger {tgconstrindid} => pg_class {oid} -NOTICE: checking pg_trigger {tgconstraint} => pg_constraint {oid} -NOTICE: checking pg_trigger {tgrelid,tgattr} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_event_trigger {evtowner} => pg_authid {oid} -NOTICE: checking pg_event_trigger {evtfoid} => pg_proc {oid} -NOTICE: checking pg_description {classoid} => pg_class {oid} -NOTICE: checking pg_cast {castsource} => pg_type {oid} -NOTICE: checking pg_cast {casttarget} => pg_type {oid} -NOTICE: checking pg_cast {castfunc} => pg_proc {oid} -NOTICE: checking pg_enum {enumtypid} => pg_type {oid} -NOTICE: checking pg_namespace {nspowner} => pg_authid {oid} -NOTICE: checking pg_conversion {connamespace} => pg_namespace {oid} -NOTICE: checking pg_conversion {conowner} => pg_authid {oid} -NOTICE: checking pg_conversion {conproc} => pg_proc {oid} -NOTICE: checking pg_depend {classid} => pg_class {oid} -NOTICE: checking pg_depend {refclassid} => pg_class {oid} -NOTICE: checking pg_database {datdba} => pg_authid {oid} -NOTICE: checking pg_database {dattablespace} => pg_tablespace {oid} -NOTICE: checking pg_db_role_setting {setdatabase} => pg_database {oid} -NOTICE: checking pg_db_role_setting {setrole} => pg_authid {oid} -NOTICE: checking pg_tablespace {spcowner} => pg_authid {oid} -NOTICE: checking pg_auth_members {roleid} => pg_authid {oid} -NOTICE: checking pg_auth_members {member} => pg_authid {oid} -NOTICE: checking pg_auth_members {grantor} => pg_authid {oid} -NOTICE: checking pg_shdepend {dbid} => pg_database {oid} -NOTICE: checking pg_shdepend {classid} => pg_class {oid} -NOTICE: checking pg_shdepend {refclassid} => pg_class {oid} -NOTICE: checking pg_shdescription {classoid} => pg_class {oid} -NOTICE: checking pg_ts_config {cfgnamespace} => pg_namespace {oid} -NOTICE: checking pg_ts_config {cfgowner} => pg_authid {oid} -NOTICE: checking pg_ts_config {cfgparser} => pg_ts_parser {oid} -NOTICE: checking pg_ts_config_map {mapcfg} => pg_ts_config {oid} -NOTICE: checking pg_ts_config_map {mapdict} => pg_ts_dict {oid} -NOTICE: checking pg_ts_dict {dictnamespace} => pg_namespace {oid} -NOTICE: checking pg_ts_dict {dictowner} => pg_authid {oid} -NOTICE: checking pg_ts_dict {dicttemplate} => pg_ts_template {oid} -NOTICE: checking pg_ts_parser {prsnamespace} => pg_namespace {oid} -NOTICE: checking pg_ts_parser {prsstart} => pg_proc {oid} -NOTICE: checking pg_ts_parser {prstoken} => pg_proc {oid} -NOTICE: checking pg_ts_parser {prsend} => pg_proc {oid} -NOTICE: checking pg_ts_parser {prsheadline} => pg_proc {oid} -NOTICE: checking pg_ts_parser {prslextype} => pg_proc {oid} -NOTICE: checking pg_ts_template {tmplnamespace} => pg_namespace {oid} -NOTICE: checking pg_ts_template {tmplinit} => pg_proc {oid} -NOTICE: checking pg_ts_template {tmpllexize} => pg_proc {oid} -NOTICE: checking pg_extension {extowner} => pg_authid {oid} -NOTICE: checking pg_extension {extnamespace} => pg_namespace {oid} -NOTICE: checking pg_extension {extconfig} => pg_class {oid} -NOTICE: checking pg_foreign_data_wrapper {fdwowner} => pg_authid {oid} -NOTICE: checking pg_foreign_data_wrapper {fdwhandler} => pg_proc {oid} -NOTICE: checking pg_foreign_data_wrapper {fdwvalidator} => pg_proc {oid} -NOTICE: checking pg_foreign_server {srvowner} => pg_authid {oid} -NOTICE: checking pg_foreign_server {srvfdw} => pg_foreign_data_wrapper {oid} -NOTICE: checking pg_user_mapping {umuser} => pg_authid {oid} -NOTICE: checking pg_user_mapping {umserver} => pg_foreign_server {oid} -NOTICE: checking pg_foreign_table {ftrelid} => pg_class {oid} -NOTICE: checking pg_foreign_table {ftserver} => pg_foreign_server {oid} -NOTICE: checking pg_policy {polrelid} => pg_class {oid} -NOTICE: checking pg_policy {polroles} => pg_authid {oid} -NOTICE: checking pg_default_acl {defaclrole} => pg_authid {oid} -NOTICE: checking pg_default_acl {defaclnamespace} => pg_namespace {oid} -NOTICE: checking pg_init_privs {classoid} => pg_class {oid} -NOTICE: checking pg_seclabel {classoid} => pg_class {oid} -NOTICE: checking pg_shseclabel {classoid} => pg_class {oid} -NOTICE: checking pg_collation {collnamespace} => pg_namespace {oid} -NOTICE: checking pg_collation {collowner} => pg_authid {oid} -NOTICE: checking pg_partitioned_table {partrelid} => pg_class {oid} -NOTICE: checking pg_partitioned_table {partdefid} => pg_class {oid} -NOTICE: checking pg_partitioned_table {partclass} => pg_opclass {oid} -NOTICE: checking pg_partitioned_table {partcollation} => pg_collation {oid} -NOTICE: checking pg_partitioned_table {partrelid,partattrs} => pg_attribute {attrelid,attnum} -NOTICE: checking pg_range {rngtypid} => pg_type {oid} -NOTICE: checking pg_range {rngsubtype} => pg_type {oid} -NOTICE: checking pg_range {rngmultitypid} => pg_type {oid} -NOTICE: checking pg_range {rngcollation} => pg_collation {oid} -NOTICE: checking pg_range {rngsubopc} => pg_opclass {oid} -NOTICE: checking pg_range {rngcanonical} => pg_proc {oid} -NOTICE: checking pg_range {rngsubdiff} => pg_proc {oid} -NOTICE: checking pg_transform {trftype} => pg_type {oid} -NOTICE: checking pg_transform {trflang} => pg_language {oid} -NOTICE: checking pg_transform {trffromsql} => pg_proc {oid} -NOTICE: checking pg_transform {trftosql} => pg_proc {oid} -NOTICE: checking pg_sequence {seqrelid} => pg_class {oid} -NOTICE: checking pg_sequence {seqtypid} => pg_type {oid} -NOTICE: checking pg_publication {pubowner} => pg_authid {oid} -NOTICE: checking pg_publication_namespace {pnpubid} => pg_publication {oid} -NOTICE: checking pg_publication_namespace {pnnspid} => pg_namespace {oid} -NOTICE: checking pg_publication_rel {prpubid} => pg_publication {oid} -NOTICE: checking pg_publication_rel {prrelid} => pg_class {oid} -NOTICE: checking pg_subscription {subdbid} => pg_database {oid} -NOTICE: checking pg_subscription {subowner} => pg_authid {oid} -NOTICE: checking pg_subscription_rel {srsubid} => pg_subscription {oid} -NOTICE: checking pg_subscription_rel {srrelid} => pg_class {oid} +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/event_trigger.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/event_trigger.out --- /tmp/cirrus-ci-build/src/test/regress/expected/event_trigger.out 2025-06-04 16:00:28.734361000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/event_trigger.out 2025-06-04 16:05:12.561562000 +0000 @@ -1,742 +1,2 @@ --- should fail, return type mismatch -create event trigger regress_event_trigger - on ddl_command_start - execute procedure pg_backend_pid(); -ERROR: function pg_backend_pid must return type event_trigger --- OK -create function test_event_trigger() returns event_trigger as $$ -BEGIN - RAISE NOTICE 'test_event_trigger: % %', tg_event, tg_tag; -END -$$ language plpgsql; --- should fail, can't call it as a plain function -SELECT test_event_trigger(); -ERROR: trigger functions can only be called as triggers -CONTEXT: compilation of PL/pgSQL function "test_event_trigger" near line 1 --- should fail, event triggers cannot have declared arguments -create function test_event_trigger_arg(name text) -returns event_trigger as $$ BEGIN RETURN 1; END $$ language plpgsql; -ERROR: event trigger functions cannot have declared arguments -CONTEXT: compilation of PL/pgSQL function "test_event_trigger_arg" near line 1 --- should fail, SQL functions cannot be event triggers -create function test_event_trigger_sql() returns event_trigger as $$ -SELECT 1 $$ language sql; -ERROR: SQL functions cannot return type event_trigger --- should fail, no elephant_bootstrap entry point -create event trigger regress_event_trigger on elephant_bootstrap - execute procedure test_event_trigger(); -ERROR: unrecognized event name "elephant_bootstrap" --- OK -create event trigger regress_event_trigger on ddl_command_start - execute procedure test_event_trigger(); --- OK -create event trigger regress_event_trigger_end on ddl_command_end - execute function test_event_trigger(); --- should fail, food is not a valid filter variable -create event trigger regress_event_trigger2 on ddl_command_start - when food in ('sandwich') - execute procedure test_event_trigger(); -ERROR: unrecognized filter variable "food" --- should fail, sandwich is not a valid command tag -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('sandwich') - execute procedure test_event_trigger(); -ERROR: filter value "sandwich" not recognized for filter variable "tag" --- should fail, create skunkcabbage is not a valid command tag -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('create table', 'create skunkcabbage') - execute procedure test_event_trigger(); -ERROR: filter value "create skunkcabbage" not recognized for filter variable "tag" --- should fail, can't have event triggers on event triggers -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('DROP EVENT TRIGGER') - execute procedure test_event_trigger(); -ERROR: event triggers are not supported for DROP EVENT TRIGGER --- should fail, can't have event triggers on global objects -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('CREATE ROLE') - execute procedure test_event_trigger(); -ERROR: event triggers are not supported for CREATE ROLE --- should fail, can't have event triggers on global objects -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('CREATE DATABASE') - execute procedure test_event_trigger(); -ERROR: event triggers are not supported for CREATE DATABASE --- should fail, can't have event triggers on global objects -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('CREATE TABLESPACE') - execute procedure test_event_trigger(); -ERROR: event triggers are not supported for CREATE TABLESPACE --- should fail, can't have same filter variable twice -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('create table') and tag in ('CREATE FUNCTION') - execute procedure test_event_trigger(); -ERROR: filter variable "tag" specified more than once --- should fail, can't have arguments -create event trigger regress_event_trigger2 on ddl_command_start - execute procedure test_event_trigger('argument not allowed'); -ERROR: syntax error at or near "'argument not allowed'" -LINE 2: execute procedure test_event_trigger('argument not allowe... - ^ --- OK -create event trigger regress_event_trigger2 on ddl_command_start - when tag in ('create table', 'CREATE FUNCTION') - execute procedure test_event_trigger(); --- OK -comment on event trigger regress_event_trigger is 'test comment'; --- drop as non-superuser should fail -create role regress_evt_user; -set role regress_evt_user; -create event trigger regress_event_trigger_noperms on ddl_command_start - execute procedure test_event_trigger(); -ERROR: permission denied to create event trigger "regress_event_trigger_noperms" -HINT: Must be superuser to create an event trigger. -reset role; --- test enabling and disabling -alter event trigger regress_event_trigger disable; --- fires _trigger2 and _trigger_end should fire, but not _trigger -create table event_trigger_fire1 (a int); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_end CREATE TABLE -alter event trigger regress_event_trigger enable; -set session_replication_role = replica; --- fires nothing -create table event_trigger_fire2 (a int); -alter event trigger regress_event_trigger enable replica; --- fires only _trigger -create table event_trigger_fire3 (a int); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -alter event trigger regress_event_trigger enable always; --- fires only _trigger -create table event_trigger_fire4 (a int); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -reset session_replication_role; --- fires all three -create table event_trigger_fire5 (a int); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_end CREATE TABLE --- non-top-level command -create function f1() returns int -language plpgsql -as $$ -begin - create table event_trigger_fire6 (a int); - return 0; -end $$; -NOTICE: test_event_trigger: ddl_command_start CREATE FUNCTION -NOTICE: test_event_trigger: ddl_command_start CREATE FUNCTION -NOTICE: test_event_trigger: ddl_command_end CREATE FUNCTION -select f1(); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_end CREATE TABLE - f1 ----- - 0 -(1 row) - --- non-top-level command -create procedure p1() -language plpgsql -as $$ -begin - create table event_trigger_fire7 (a int); -end $$; -NOTICE: test_event_trigger: ddl_command_start CREATE PROCEDURE -NOTICE: test_event_trigger: ddl_command_end CREATE PROCEDURE -call p1(); -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_start CREATE TABLE -NOTICE: test_event_trigger: ddl_command_end CREATE TABLE --- clean up -alter event trigger regress_event_trigger disable; -drop table event_trigger_fire2, event_trigger_fire3, event_trigger_fire4, event_trigger_fire5, event_trigger_fire6, event_trigger_fire7; -NOTICE: test_event_trigger: ddl_command_end DROP TABLE -drop routine f1(), p1(); -NOTICE: test_event_trigger: ddl_command_end DROP ROUTINE --- regress_event_trigger_end should fire on these commands -grant all on table event_trigger_fire1 to public; -NOTICE: test_event_trigger: ddl_command_end GRANT -comment on table event_trigger_fire1 is 'here is a comment'; -NOTICE: test_event_trigger: ddl_command_end COMMENT -revoke all on table event_trigger_fire1 from public; -NOTICE: test_event_trigger: ddl_command_end REVOKE -drop table event_trigger_fire1; -NOTICE: test_event_trigger: ddl_command_end DROP TABLE -create foreign data wrapper useless; -NOTICE: test_event_trigger: ddl_command_end CREATE FOREIGN DATA WRAPPER -create server useless_server foreign data wrapper useless; -NOTICE: test_event_trigger: ddl_command_end CREATE SERVER -create user mapping for regress_evt_user server useless_server; -NOTICE: test_event_trigger: ddl_command_end CREATE USER MAPPING -alter default privileges for role regress_evt_user - revoke delete on tables from regress_evt_user; -NOTICE: test_event_trigger: ddl_command_end ALTER DEFAULT PRIVILEGES --- alter owner to non-superuser should fail -alter event trigger regress_event_trigger owner to regress_evt_user; -ERROR: permission denied to change owner of event trigger "regress_event_trigger" -HINT: The owner of an event trigger must be a superuser. --- alter owner to superuser should work -alter role regress_evt_user superuser; -alter event trigger regress_event_trigger owner to regress_evt_user; --- should fail, name collision -alter event trigger regress_event_trigger rename to regress_event_trigger2; -ERROR: event trigger "regress_event_trigger2" already exists --- OK -alter event trigger regress_event_trigger rename to regress_event_trigger3; --- should fail, doesn't exist any more -drop event trigger regress_event_trigger; -ERROR: event trigger "regress_event_trigger" does not exist --- should fail, regress_evt_user owns some objects -drop role regress_evt_user; -ERROR: role "regress_evt_user" cannot be dropped because some objects depend on it -DETAIL: owner of event trigger regress_event_trigger3 -owner of user mapping for regress_evt_user on server useless_server -owner of default privileges on new relations belonging to role regress_evt_user --- cleanup before next test --- these are all OK; the second one should emit a NOTICE -drop event trigger if exists regress_event_trigger2; -drop event trigger if exists regress_event_trigger2; -NOTICE: event trigger "regress_event_trigger2" does not exist, skipping -drop event trigger regress_event_trigger3; -drop event trigger regress_event_trigger_end; --- test support for dropped objects -CREATE SCHEMA schema_one authorization regress_evt_user; -CREATE SCHEMA schema_two authorization regress_evt_user; -CREATE SCHEMA audit_tbls authorization regress_evt_user; -CREATE TEMP TABLE a_temp_tbl (); -SET SESSION AUTHORIZATION regress_evt_user; -CREATE TABLE schema_one.table_one(a int); -CREATE TABLE schema_one."table two"(a int); -CREATE TABLE schema_one.table_three(a int); -CREATE TABLE audit_tbls.schema_one_table_two(the_value text); -CREATE TABLE schema_two.table_two(a int); -CREATE TABLE schema_two.table_three(a int, b text); -CREATE TABLE audit_tbls.schema_two_table_three(the_value text); -CREATE OR REPLACE FUNCTION schema_two.add(int, int) RETURNS int LANGUAGE plpgsql - CALLED ON NULL INPUT - AS $$ BEGIN RETURN coalesce($1,0) + coalesce($2,0); END; $$; -CREATE AGGREGATE schema_two.newton - (BASETYPE = int, SFUNC = schema_two.add, STYPE = int); -RESET SESSION AUTHORIZATION; -CREATE TABLE undroppable_objs ( - object_type text, - object_identity text -); -INSERT INTO undroppable_objs VALUES -('table', 'schema_one.table_three'), -('table', 'audit_tbls.schema_two_table_three'); -CREATE TABLE dropped_objects ( - type text, - schema text, - object text -); --- This tests errors raised within event triggers; the one in audit_tbls --- uses 2nd-level recursive invocation via test_evtrig_dropped_objects(). -CREATE OR REPLACE FUNCTION undroppable() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -DECLARE - obj record; -BEGIN - PERFORM 1 FROM pg_tables WHERE tablename = 'undroppable_objs'; - IF NOT FOUND THEN - RAISE NOTICE 'table undroppable_objs not found, skipping'; - RETURN; - END IF; - FOR obj IN - SELECT * FROM pg_event_trigger_dropped_objects() JOIN - undroppable_objs USING (object_type, object_identity) - LOOP - RAISE EXCEPTION 'object % of type % cannot be dropped', - obj.object_identity, obj.object_type; - END LOOP; -END; -$$; -CREATE EVENT TRIGGER undroppable ON sql_drop - EXECUTE PROCEDURE undroppable(); -CREATE OR REPLACE FUNCTION test_evtrig_dropped_objects() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -DECLARE - obj record; -BEGIN - FOR obj IN SELECT * FROM pg_event_trigger_dropped_objects() - LOOP - IF obj.object_type = 'table' THEN - EXECUTE format('DROP TABLE IF EXISTS audit_tbls.%I', - format('%s_%s', obj.schema_name, obj.object_name)); - END IF; - - INSERT INTO dropped_objects - (type, schema, object) VALUES - (obj.object_type, obj.schema_name, obj.object_identity); - END LOOP; -END -$$; -CREATE EVENT TRIGGER regress_event_trigger_drop_objects ON sql_drop - WHEN TAG IN ('drop table', 'drop function', 'drop view', - 'drop owned', 'drop schema', 'alter table') - EXECUTE PROCEDURE test_evtrig_dropped_objects(); -ALTER TABLE schema_one.table_one DROP COLUMN a; -DROP SCHEMA schema_one, schema_two CASCADE; -NOTICE: drop cascades to 7 other objects -DETAIL: drop cascades to table schema_two.table_two -drop cascades to table schema_two.table_three -drop cascades to function schema_two.add(integer,integer) -drop cascades to function schema_two.newton(integer) -drop cascades to table schema_one.table_one -drop cascades to table schema_one."table two" -drop cascades to table schema_one.table_three -NOTICE: table "schema_two_table_two" does not exist, skipping -NOTICE: table "audit_tbls_schema_two_table_three" does not exist, skipping -ERROR: object audit_tbls.schema_two_table_three of type table cannot be dropped -CONTEXT: PL/pgSQL function undroppable() line 14 at RAISE -SQL statement "DROP TABLE IF EXISTS audit_tbls.schema_two_table_three" -PL/pgSQL function test_evtrig_dropped_objects() line 8 at EXECUTE -DELETE FROM undroppable_objs WHERE object_identity = 'audit_tbls.schema_two_table_three'; -DROP SCHEMA schema_one, schema_two CASCADE; -NOTICE: drop cascades to 7 other objects -DETAIL: drop cascades to table schema_two.table_two -drop cascades to table schema_two.table_three -drop cascades to function schema_two.add(integer,integer) -drop cascades to function schema_two.newton(integer) -drop cascades to table schema_one.table_one -drop cascades to table schema_one."table two" -drop cascades to table schema_one.table_three -NOTICE: table "schema_two_table_two" does not exist, skipping -NOTICE: table "audit_tbls_schema_two_table_three" does not exist, skipping -NOTICE: table "schema_one_table_one" does not exist, skipping -NOTICE: table "schema_one_table two" does not exist, skipping -NOTICE: table "schema_one_table_three" does not exist, skipping -ERROR: object schema_one.table_three of type table cannot be dropped -CONTEXT: PL/pgSQL function undroppable() line 14 at RAISE -DELETE FROM undroppable_objs WHERE object_identity = 'schema_one.table_three'; -DROP SCHEMA schema_one, schema_two CASCADE; -NOTICE: drop cascades to 7 other objects -DETAIL: drop cascades to table schema_two.table_two -drop cascades to table schema_two.table_three -drop cascades to function schema_two.add(integer,integer) -drop cascades to function schema_two.newton(integer) -drop cascades to table schema_one.table_one -drop cascades to table schema_one."table two" -drop cascades to table schema_one.table_three -NOTICE: table "schema_two_table_two" does not exist, skipping -NOTICE: table "audit_tbls_schema_two_table_three" does not exist, skipping -NOTICE: table "schema_one_table_one" does not exist, skipping -NOTICE: table "schema_one_table two" does not exist, skipping -NOTICE: table "schema_one_table_three" does not exist, skipping -SELECT * FROM dropped_objects WHERE schema IS NULL OR schema <> 'pg_toast'; - type | schema | object ---------------+------------+------------------------------------- - table column | schema_one | schema_one.table_one.a - schema | | schema_two - table | schema_two | schema_two.table_two - type | schema_two | schema_two.table_two - type | schema_two | schema_two.table_two[] - table | audit_tbls | audit_tbls.schema_two_table_three - type | audit_tbls | audit_tbls.schema_two_table_three - type | audit_tbls | audit_tbls.schema_two_table_three[] - table | schema_two | schema_two.table_three - type | schema_two | schema_two.table_three - type | schema_two | schema_two.table_three[] - function | schema_two | schema_two.add(integer,integer) - aggregate | schema_two | schema_two.newton(integer) - schema | | schema_one - table | schema_one | schema_one.table_one - type | schema_one | schema_one.table_one - type | schema_one | schema_one.table_one[] - table | schema_one | schema_one."table two" - type | schema_one | schema_one."table two" - type | schema_one | schema_one."table two"[] - table | schema_one | schema_one.table_three - type | schema_one | schema_one.table_three - type | schema_one | schema_one.table_three[] -(23 rows) - -DROP OWNED BY regress_evt_user; -NOTICE: schema "audit_tbls" does not exist, skipping -SELECT * FROM dropped_objects WHERE type = 'schema'; - type | schema | object ---------+--------+------------ - schema | | schema_two - schema | | schema_one - schema | | audit_tbls -(3 rows) - -DROP ROLE regress_evt_user; -DROP EVENT TRIGGER regress_event_trigger_drop_objects; -DROP EVENT TRIGGER undroppable; --- Event triggers on relations. -CREATE OR REPLACE FUNCTION event_trigger_report_dropped() - RETURNS event_trigger - LANGUAGE plpgsql -AS $$ -DECLARE r record; -BEGIN - FOR r IN SELECT * from pg_event_trigger_dropped_objects() - LOOP - IF NOT r.normal AND NOT r.original THEN - CONTINUE; - END IF; - RAISE NOTICE 'NORMAL: orig=% normal=% istemp=% type=% identity=% name=% args=%', - r.original, r.normal, r.is_temporary, r.object_type, - r.object_identity, r.address_names, r.address_args; - END LOOP; -END; $$; -CREATE EVENT TRIGGER regress_event_trigger_report_dropped ON sql_drop - EXECUTE PROCEDURE event_trigger_report_dropped(); -CREATE OR REPLACE FUNCTION event_trigger_report_end() - RETURNS event_trigger - LANGUAGE plpgsql -AS $$ -DECLARE r RECORD; -BEGIN - FOR r IN SELECT * FROM pg_event_trigger_ddl_commands() - LOOP - RAISE NOTICE 'END: command_tag=% type=% identity=%', - r.command_tag, r.object_type, r.object_identity; - END LOOP; -END; $$; -CREATE EVENT TRIGGER regress_event_trigger_report_end ON ddl_command_end - EXECUTE PROCEDURE event_trigger_report_end(); -CREATE SCHEMA evttrig - CREATE TABLE one (col_a SERIAL PRIMARY KEY, col_b text DEFAULT 'forty two', col_c SERIAL) - CREATE INDEX one_idx ON one (col_b) - CREATE TABLE two (col_c INTEGER CHECK (col_c > 0) REFERENCES one DEFAULT 42) - CREATE TABLE id (col_d int NOT NULL GENERATED ALWAYS AS IDENTITY); -NOTICE: END: command_tag=CREATE SCHEMA type=schema identity=evttrig -NOTICE: END: command_tag=CREATE SEQUENCE type=sequence identity=evttrig.one_col_a_seq -NOTICE: END: command_tag=CREATE SEQUENCE type=sequence identity=evttrig.one_col_c_seq -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.one -NOTICE: END: command_tag=CREATE INDEX type=index identity=evttrig.one_pkey -NOTICE: END: command_tag=ALTER SEQUENCE type=sequence identity=evttrig.one_col_a_seq -NOTICE: END: command_tag=ALTER SEQUENCE type=sequence identity=evttrig.one_col_c_seq -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.two -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.two -NOTICE: END: command_tag=CREATE SEQUENCE type=sequence identity=evttrig.id_col_d_seq -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.id -NOTICE: END: command_tag=ALTER SEQUENCE type=sequence identity=evttrig.id_col_d_seq -NOTICE: END: command_tag=CREATE INDEX type=index identity=evttrig.one_idx --- Partitioned tables with a partitioned index -CREATE TABLE evttrig.parted ( - id int PRIMARY KEY) - PARTITION BY RANGE (id); -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.parted -NOTICE: END: command_tag=CREATE INDEX type=index identity=evttrig.parted_pkey -CREATE TABLE evttrig.part_1_10 PARTITION OF evttrig.parted (id) - FOR VALUES FROM (1) TO (10); -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.part_1_10 -CREATE TABLE evttrig.part_10_20 PARTITION OF evttrig.parted (id) - FOR VALUES FROM (10) TO (20) PARTITION BY RANGE (id); -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.part_10_20 -CREATE TABLE evttrig.part_10_15 PARTITION OF evttrig.part_10_20 (id) - FOR VALUES FROM (10) TO (15); -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.part_10_15 -CREATE TABLE evttrig.part_15_20 PARTITION OF evttrig.part_10_20 (id) - FOR VALUES FROM (15) TO (20); -NOTICE: END: command_tag=CREATE TABLE type=table identity=evttrig.part_15_20 -ALTER TABLE evttrig.two DROP COLUMN col_c; -NOTICE: NORMAL: orig=t normal=f istemp=f type=table column identity=evttrig.two.col_c name={evttrig,two,col_c} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table constraint identity=two_col_c_check on evttrig.two name={evttrig,two,two_col_c_check} args={} -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.two -ALTER TABLE evttrig.one ALTER COLUMN col_b DROP DEFAULT; -NOTICE: NORMAL: orig=t normal=f istemp=f type=default value identity=for evttrig.one.col_b name={evttrig,one,col_b} args={} -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.one -ALTER TABLE evttrig.one DROP CONSTRAINT one_pkey; -NOTICE: NORMAL: orig=t normal=f istemp=f type=table constraint identity=one_pkey on evttrig.one name={evttrig,one,one_pkey} args={} -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.one -ALTER TABLE evttrig.one DROP COLUMN col_c; -NOTICE: NORMAL: orig=t normal=f istemp=f type=table column identity=evttrig.one.col_c name={evttrig,one,col_c} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=default value identity=for evttrig.one.col_c name={evttrig,one,col_c} args={} -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.one -ALTER TABLE evttrig.id ALTER COLUMN col_d SET DATA TYPE bigint; -NOTICE: END: command_tag=ALTER SEQUENCE type=sequence identity=evttrig.id_col_d_seq -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.id -ALTER TABLE evttrig.id ALTER COLUMN col_d DROP IDENTITY, - ALTER COLUMN col_d SET DATA TYPE int; -NOTICE: END: command_tag=ALTER TABLE type=table identity=evttrig.id -DROP INDEX evttrig.one_idx; -NOTICE: NORMAL: orig=t normal=f istemp=f type=index identity=evttrig.one_idx name={evttrig,one_idx} args={} -DROP SCHEMA evttrig CASCADE; -NOTICE: drop cascades to 4 other objects -DETAIL: drop cascades to table evttrig.one -drop cascades to table evttrig.two -drop cascades to table evttrig.id -drop cascades to table evttrig.parted -NOTICE: NORMAL: orig=t normal=f istemp=f type=schema identity=evttrig name={evttrig} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.one name={evttrig,one} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=sequence identity=evttrig.one_col_a_seq name={evttrig,one_col_a_seq} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=default value identity=for evttrig.one.col_a name={evttrig,one,col_a} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.two name={evttrig,two} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.id name={evttrig,id} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.parted name={evttrig,parted} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_1_10 name={evttrig,part_1_10} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_10_20 name={evttrig,part_10_20} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_10_15 name={evttrig,part_10_15} args={} -NOTICE: NORMAL: orig=f normal=t istemp=f type=table identity=evttrig.part_15_20 name={evttrig,part_15_20} args={} -DROP TABLE a_temp_tbl; -NOTICE: NORMAL: orig=t normal=f istemp=t type=table identity=pg_temp.a_temp_tbl name={pg_temp,a_temp_tbl} args={} --- CREATE OPERATOR CLASS without FAMILY clause should report --- both CREATE OPERATOR FAMILY and CREATE OPERATOR CLASS -CREATE OPERATOR CLASS evttrigopclass FOR TYPE int USING btree AS STORAGE int; -NOTICE: END: command_tag=CREATE OPERATOR FAMILY type=operator family identity=public.evttrigopclass USING btree -NOTICE: END: command_tag=CREATE OPERATOR CLASS type=operator class identity=public.evttrigopclass USING btree -DROP EVENT TRIGGER regress_event_trigger_report_dropped; -DROP EVENT TRIGGER regress_event_trigger_report_end; --- only allowed from within an event trigger function, should fail -select pg_event_trigger_table_rewrite_oid(); -ERROR: pg_event_trigger_table_rewrite_oid() can only be called in a table_rewrite event trigger function --- test Table Rewrite Event Trigger -CREATE OR REPLACE FUNCTION test_evtrig_no_rewrite() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -BEGIN - RAISE EXCEPTION 'rewrites not allowed'; -END; -$$; -create event trigger no_rewrite_allowed on table_rewrite - execute procedure test_evtrig_no_rewrite(); -create table rewriteme (id serial primary key, foo float, bar timestamptz); -insert into rewriteme - select x * 1.001 from generate_series(1, 500) as t(x); -alter table rewriteme alter column foo type numeric; -ERROR: rewrites not allowed -CONTEXT: PL/pgSQL function test_evtrig_no_rewrite() line 3 at RAISE -alter table rewriteme add column baz int default 0; --- test with more than one reason to rewrite a single table -CREATE OR REPLACE FUNCTION test_evtrig_no_rewrite() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -BEGIN - RAISE NOTICE 'Table ''%'' is being rewritten (reason = %)', - pg_event_trigger_table_rewrite_oid()::regclass, - pg_event_trigger_table_rewrite_reason(); -END; -$$; -alter table rewriteme - add column onemore int default 0, - add column another int default -1, - alter column foo type numeric(10,4); -NOTICE: Table 'rewriteme' is being rewritten (reason = 4) --- matview rewrite when changing access method -CREATE MATERIALIZED VIEW heapmv USING heap AS SELECT 1 AS a; -ALTER MATERIALIZED VIEW heapmv SET ACCESS METHOD heap2; -NOTICE: Table 'heapmv' is being rewritten (reason = 8) -DROP MATERIALIZED VIEW heapmv; --- shouldn't trigger a table_rewrite event -alter table rewriteme alter column foo type numeric(12,4); -begin; -set timezone to 'UTC'; -alter table rewriteme alter column bar type timestamp; -set timezone to '0'; -alter table rewriteme alter column bar type timestamptz; -set timezone to 'Europe/London'; -alter table rewriteme alter column bar type timestamp; -- does rewrite -NOTICE: Table 'rewriteme' is being rewritten (reason = 4) -rollback; --- typed tables are rewritten when their type changes. Don't emit table --- name, because firing order is not stable. -CREATE OR REPLACE FUNCTION test_evtrig_no_rewrite() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -BEGIN - RAISE NOTICE 'Table is being rewritten (reason = %)', - pg_event_trigger_table_rewrite_reason(); -END; -$$; -create type rewritetype as (a int); -create table rewritemetoo1 of rewritetype; -create table rewritemetoo2 of rewritetype; -alter type rewritetype alter attribute a type text cascade; -NOTICE: Table is being rewritten (reason = 4) -NOTICE: Table is being rewritten (reason = 4) --- but this doesn't work -create table rewritemetoo3 (a rewritetype); -alter type rewritetype alter attribute a type varchar cascade; -ERROR: cannot alter type "rewritetype" because column "rewritemetoo3.a" uses it -drop table rewriteme; -drop event trigger no_rewrite_allowed; -drop function test_evtrig_no_rewrite(); --- Tests for REINDEX -CREATE OR REPLACE FUNCTION reindex_start_command() -RETURNS event_trigger AS $$ -BEGIN - RAISE NOTICE 'REINDEX START: % %', tg_event, tg_tag; -END; -$$ LANGUAGE plpgsql; -CREATE EVENT TRIGGER regress_reindex_start ON ddl_command_start - WHEN TAG IN ('REINDEX') - EXECUTE PROCEDURE reindex_start_command(); -CREATE FUNCTION reindex_end_command() -RETURNS event_trigger AS $$ -DECLARE - obj record; -BEGIN - FOR obj IN SELECT * FROM pg_event_trigger_ddl_commands() - LOOP - RAISE NOTICE 'REINDEX END: command_tag=% type=% identity=%', - obj.command_tag, obj.object_type, obj.object_identity; - END LOOP; -END; -$$ LANGUAGE plpgsql; -CREATE EVENT TRIGGER regress_reindex_end ON ddl_command_end - WHEN TAG IN ('REINDEX') - EXECUTE PROCEDURE reindex_end_command(); --- Extra event to force the use of a snapshot. -CREATE FUNCTION reindex_end_command_snap() RETURNS EVENT_TRIGGER - AS $$ BEGIN PERFORM 1; END $$ LANGUAGE plpgsql; -CREATE EVENT TRIGGER regress_reindex_end_snap ON ddl_command_end - EXECUTE FUNCTION reindex_end_command_snap(); --- With simple relation -CREATE TABLE concur_reindex_tab (c1 int); -CREATE INDEX concur_reindex_ind ON concur_reindex_tab (c1); --- Both start and end triggers enabled. -REINDEX INDEX concur_reindex_ind; -NOTICE: REINDEX START: ddl_command_start REINDEX -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind -REINDEX TABLE concur_reindex_tab; -NOTICE: REINDEX START: ddl_command_start REINDEX -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind -REINDEX INDEX CONCURRENTLY concur_reindex_ind; -NOTICE: REINDEX START: ddl_command_start REINDEX -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind -REINDEX TABLE CONCURRENTLY concur_reindex_tab; -NOTICE: REINDEX START: ddl_command_start REINDEX -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind --- with start trigger disabled. -ALTER EVENT TRIGGER regress_reindex_start DISABLE; -REINDEX INDEX concur_reindex_ind; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind -REINDEX INDEX CONCURRENTLY concur_reindex_ind; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_ind --- without an index -DROP INDEX concur_reindex_ind; -REINDEX TABLE concur_reindex_tab; -NOTICE: table "concur_reindex_tab" has no indexes to reindex -REINDEX TABLE CONCURRENTLY concur_reindex_tab; -NOTICE: table "concur_reindex_tab" has no indexes that can be reindexed concurrently --- With a Schema -CREATE SCHEMA concur_reindex_schema; --- No indexes -REINDEX SCHEMA concur_reindex_schema; -REINDEX SCHEMA CONCURRENTLY concur_reindex_schema; -CREATE TABLE concur_reindex_schema.tab (a int); -CREATE INDEX ind ON concur_reindex_schema.tab (a); --- One index reported -REINDEX SCHEMA concur_reindex_schema; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=concur_reindex_schema.ind -REINDEX SCHEMA CONCURRENTLY concur_reindex_schema; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=concur_reindex_schema.ind --- One table on schema but no indexes -DROP INDEX concur_reindex_schema.ind; -REINDEX SCHEMA concur_reindex_schema; -REINDEX SCHEMA CONCURRENTLY concur_reindex_schema; -DROP SCHEMA concur_reindex_schema CASCADE; -NOTICE: drop cascades to table concur_reindex_schema.tab --- With a partitioned table, and nothing else. -CREATE TABLE concur_reindex_part (id int) PARTITION BY RANGE (id); -REINDEX TABLE concur_reindex_part; -REINDEX TABLE CONCURRENTLY concur_reindex_part; --- Partition that would be reindexed, still nothing. -CREATE TABLE concur_reindex_child PARTITION OF concur_reindex_part - FOR VALUES FROM (0) TO (10); -REINDEX TABLE concur_reindex_part; -REINDEX TABLE CONCURRENTLY concur_reindex_part; --- Now add some indexes. -CREATE INDEX concur_reindex_partidx ON concur_reindex_part (id); -REINDEX INDEX concur_reindex_partidx; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_child_id_idx -REINDEX INDEX CONCURRENTLY concur_reindex_partidx; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_child_id_idx -REINDEX TABLE concur_reindex_part; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_child_id_idx -REINDEX TABLE CONCURRENTLY concur_reindex_part; -NOTICE: REINDEX END: command_tag=REINDEX type=index identity=public.concur_reindex_child_id_idx -DROP TABLE concur_reindex_part; --- Clean up -DROP EVENT TRIGGER regress_reindex_start; -DROP EVENT TRIGGER regress_reindex_end; -DROP EVENT TRIGGER regress_reindex_end_snap; -DROP FUNCTION reindex_end_command(); -DROP FUNCTION reindex_end_command_snap(); -DROP FUNCTION reindex_start_command(); -DROP TABLE concur_reindex_tab; --- test Row Security Event Trigger -RESET SESSION AUTHORIZATION; -CREATE TABLE event_trigger_test (a integer, b text); -CREATE OR REPLACE FUNCTION start_command() -RETURNS event_trigger AS $$ -BEGIN -RAISE NOTICE '% - ddl_command_start', tg_tag; -END; -$$ LANGUAGE plpgsql; -CREATE OR REPLACE FUNCTION end_command() -RETURNS event_trigger AS $$ -BEGIN -RAISE NOTICE '% - ddl_command_end', tg_tag; -END; -$$ LANGUAGE plpgsql; -CREATE OR REPLACE FUNCTION drop_sql_command() -RETURNS event_trigger AS $$ -BEGIN -RAISE NOTICE '% - sql_drop', tg_tag; -END; -$$ LANGUAGE plpgsql; -CREATE EVENT TRIGGER start_rls_command ON ddl_command_start - WHEN TAG IN ('CREATE POLICY', 'ALTER POLICY', 'DROP POLICY') EXECUTE PROCEDURE start_command(); -CREATE EVENT TRIGGER end_rls_command ON ddl_command_end - WHEN TAG IN ('CREATE POLICY', 'ALTER POLICY', 'DROP POLICY') EXECUTE PROCEDURE end_command(); -CREATE EVENT TRIGGER sql_drop_command ON sql_drop - WHEN TAG IN ('DROP POLICY') EXECUTE PROCEDURE drop_sql_command(); -CREATE POLICY p1 ON event_trigger_test USING (FALSE); -NOTICE: CREATE POLICY - ddl_command_start -NOTICE: CREATE POLICY - ddl_command_end -ALTER POLICY p1 ON event_trigger_test USING (TRUE); -NOTICE: ALTER POLICY - ddl_command_start -NOTICE: ALTER POLICY - ddl_command_end -ALTER POLICY p1 ON event_trigger_test RENAME TO p2; -NOTICE: ALTER POLICY - ddl_command_start -NOTICE: ALTER POLICY - ddl_command_end -DROP POLICY p2 ON event_trigger_test; -NOTICE: DROP POLICY - ddl_command_start -NOTICE: DROP POLICY - sql_drop -NOTICE: DROP POLICY - ddl_command_end --- Check the object addresses of all the event triggers. -SELECT - e.evtname, - pg_describe_object('pg_event_trigger'::regclass, e.oid, 0) as descr, - b.type, b.object_names, b.object_args, - pg_identify_object(a.classid, a.objid, a.objsubid) as ident - FROM pg_event_trigger as e, - LATERAL pg_identify_object_as_address('pg_event_trigger'::regclass, e.oid, 0) as b, - LATERAL pg_get_object_address(b.type, b.object_names, b.object_args) as a - ORDER BY e.evtname; - evtname | descr | type | object_names | object_args | ident --------------------+---------------------------------+---------------+---------------------+-------------+-------------------------------------------------------- - end_rls_command | event trigger end_rls_command | event trigger | {end_rls_command} | {} | ("event trigger",,end_rls_command,end_rls_command) - sql_drop_command | event trigger sql_drop_command | event trigger | {sql_drop_command} | {} | ("event trigger",,sql_drop_command,sql_drop_command) - start_rls_command | event trigger start_rls_command | event trigger | {start_rls_command} | {} | ("event trigger",,start_rls_command,start_rls_command) -(3 rows) - -DROP EVENT TRIGGER start_rls_command; -DROP EVENT TRIGGER end_rls_command; -DROP EVENT TRIGGER sql_drop_command; --- Check the GUC for disabling event triggers -CREATE FUNCTION test_event_trigger_guc() RETURNS event_trigger -LANGUAGE plpgsql AS $$ -DECLARE - obj record; -BEGIN - FOR obj IN SELECT * FROM pg_event_trigger_dropped_objects() - LOOP - RAISE NOTICE '% dropped %', tg_tag, obj.object_type; - END LOOP; -END; -$$; -CREATE EVENT TRIGGER test_event_trigger_guc - ON sql_drop - WHEN TAG IN ('DROP POLICY') EXECUTE FUNCTION test_event_trigger_guc(); -SET event_triggers = 'on'; -CREATE POLICY pguc ON event_trigger_test USING (FALSE); -DROP POLICY pguc ON event_trigger_test; -NOTICE: DROP POLICY dropped policy -CREATE POLICY pguc ON event_trigger_test USING (FALSE); -SET event_triggers = 'off'; -DROP POLICY pguc ON event_trigger_test; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/event_trigger_login.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/event_trigger_login.out --- /tmp/cirrus-ci-build/src/test/regress/expected/event_trigger_login.out 2025-06-04 16:00:28.734411000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/event_trigger_login.out 2025-06-04 16:05:12.666384000 +0000 @@ -1,39 +1,2 @@ --- Login event triggers -CREATE TABLE user_logins(id serial, who text); -GRANT SELECT ON user_logins TO public; -CREATE FUNCTION on_login_proc() RETURNS event_trigger AS $$ -BEGIN - INSERT INTO user_logins (who) VALUES (SESSION_USER); - RAISE NOTICE 'You are welcome!'; -END; -$$ LANGUAGE plpgsql; -CREATE EVENT TRIGGER on_login_trigger ON login EXECUTE PROCEDURE on_login_proc(); -ALTER EVENT TRIGGER on_login_trigger ENABLE ALWAYS; -\c -NOTICE: You are welcome! -SELECT COUNT(*) FROM user_logins; - count -------- - 1 -(1 row) - -\c -NOTICE: You are welcome! -SELECT COUNT(*) FROM user_logins; - count -------- - 2 -(1 row) - --- Check dathasloginevt in system catalog -SELECT dathasloginevt FROM pg_database WHERE datname= :'DBNAME'; - dathasloginevt ----------------- - t -(1 row) - --- Cleanup -DROP TABLE user_logins; -DROP EVENT TRIGGER on_login_trigger; -DROP FUNCTION on_login_proc(); -\c +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/fast_default.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/fast_default.out --- /tmp/cirrus-ci-build/src/test/regress/expected/fast_default.out 2025-06-04 16:00:28.735368000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/fast_default.out 2025-06-04 16:05:12.696220000 +0000 @@ -1,938 +1,2 @@ --- --- ALTER TABLE ADD COLUMN DEFAULT test --- -SET search_path = fast_default; -CREATE SCHEMA fast_default; -CREATE TABLE m(id OID); -INSERT INTO m VALUES (NULL::OID); -CREATE FUNCTION set(tabname name) RETURNS VOID -AS $$ -BEGIN - UPDATE m - SET id = (SELECT c.relfilenode - FROM pg_class AS c, pg_namespace AS s - WHERE c.relname = tabname - AND c.relnamespace = s.oid - AND s.nspname = 'fast_default'); -END; -$$ LANGUAGE 'plpgsql'; -CREATE FUNCTION comp() RETURNS TEXT -AS $$ -BEGIN - RETURN (SELECT CASE - WHEN m.id = c.relfilenode THEN 'Unchanged' - ELSE 'Rewritten' - END - FROM m, pg_class AS c, pg_namespace AS s - WHERE c.relname = 't' - AND c.relnamespace = s.oid - AND s.nspname = 'fast_default'); -END; -$$ LANGUAGE 'plpgsql'; -CREATE FUNCTION log_rewrite() RETURNS event_trigger -LANGUAGE plpgsql as -$func$ - -declare - this_schema text; -begin - select into this_schema relnamespace::regnamespace::text - from pg_class - where oid = pg_event_trigger_table_rewrite_oid(); - if this_schema = 'fast_default' - then - RAISE NOTICE 'rewriting table % for reason %', - pg_event_trigger_table_rewrite_oid()::regclass, - pg_event_trigger_table_rewrite_reason(); - end if; -end; -$func$; -CREATE TABLE has_volatile AS -SELECT * FROM generate_series(1,10) id; -CREATE EVENT TRIGGER has_volatile_rewrite - ON table_rewrite - EXECUTE PROCEDURE log_rewrite(); --- only the last of these should trigger a rewrite -ALTER TABLE has_volatile ADD col1 int; -ALTER TABLE has_volatile ADD col2 int DEFAULT 1; -ALTER TABLE has_volatile ADD col3 timestamptz DEFAULT current_timestamp; -ALTER TABLE has_volatile ADD col4 int DEFAULT (random() * 10000)::int; -NOTICE: rewriting table has_volatile for reason 2 --- virtual generated columns don't need a rewrite -ALTER TABLE has_volatile ADD col5 int GENERATED ALWAYS AS (tableoid::int + col2) VIRTUAL; -ALTER TABLE has_volatile ALTER COLUMN col5 TYPE float8; -ALTER TABLE has_volatile ALTER COLUMN col5 TYPE numeric; -ALTER TABLE has_volatile ALTER COLUMN col5 TYPE numeric; --- here, we do need a rewrite -ALTER TABLE has_volatile ALTER COLUMN col1 SET DATA TYPE float8, - ADD COLUMN col6 float8 GENERATED ALWAYS AS (col1 * 4) VIRTUAL; -NOTICE: rewriting table has_volatile for reason 4 --- stored generated columns need a rewrite -ALTER TABLE has_volatile ADD col7 int GENERATED ALWAYS AS (55) stored; -NOTICE: rewriting table has_volatile for reason 2 --- Test a large sample of different datatypes -CREATE TABLE T(pk INT NOT NULL PRIMARY KEY, c_int INT DEFAULT 1); -SELECT set('t'); - set ------ - -(1 row) - -INSERT INTO T VALUES (1), (2); -ALTER TABLE T ADD COLUMN c_bpchar BPCHAR(5) DEFAULT 'hello', - ALTER COLUMN c_int SET DEFAULT 2; -INSERT INTO T VALUES (3), (4); -ALTER TABLE T ADD COLUMN c_text TEXT DEFAULT 'world', - ALTER COLUMN c_bpchar SET DEFAULT 'dog'; -INSERT INTO T VALUES (5), (6); -ALTER TABLE T ADD COLUMN c_date DATE DEFAULT '2016-06-02', - ALTER COLUMN c_text SET DEFAULT 'cat'; -INSERT INTO T VALUES (7), (8); -ALTER TABLE T ADD COLUMN c_timestamp TIMESTAMP DEFAULT '2016-09-01 12:00:00', - ADD COLUMN c_timestamp_null TIMESTAMP, - ALTER COLUMN c_date SET DEFAULT '2010-01-01'; -INSERT INTO T VALUES (9), (10); -ALTER TABLE T ADD COLUMN c_array TEXT[] - DEFAULT '{"This", "is", "the", "real", "world"}', - ALTER COLUMN c_timestamp SET DEFAULT '1970-12-31 11:12:13', - ALTER COLUMN c_timestamp_null SET DEFAULT '2016-09-29 12:00:00'; -INSERT INTO T VALUES (11), (12); -ALTER TABLE T ADD COLUMN c_small SMALLINT DEFAULT -5, - ADD COLUMN c_small_null SMALLINT, - ALTER COLUMN c_array - SET DEFAULT '{"This", "is", "no", "fantasy"}'; -INSERT INTO T VALUES (13), (14); -ALTER TABLE T ADD COLUMN c_big BIGINT DEFAULT 180000000000018, - ALTER COLUMN c_small SET DEFAULT 9, - ALTER COLUMN c_small_null SET DEFAULT 13; -INSERT INTO T VALUES (15), (16); -ALTER TABLE T ADD COLUMN c_num NUMERIC DEFAULT 1.00000000001, - ALTER COLUMN c_big SET DEFAULT -9999999999999999; -INSERT INTO T VALUES (17), (18); -ALTER TABLE T ADD COLUMN c_time TIME DEFAULT '12:00:00', - ALTER COLUMN c_num SET DEFAULT 2.000000000000002; -INSERT INTO T VALUES (19), (20); -ALTER TABLE T ADD COLUMN c_interval INTERVAL DEFAULT '1 day', - ALTER COLUMN c_time SET DEFAULT '23:59:59'; -INSERT INTO T VALUES (21), (22); -ALTER TABLE T ADD COLUMN c_hugetext TEXT DEFAULT repeat('abcdefg',1000), - ALTER COLUMN c_interval SET DEFAULT '3 hours'; -INSERT INTO T VALUES (23), (24); -ALTER TABLE T ALTER COLUMN c_interval DROP DEFAULT, - ALTER COLUMN c_hugetext SET DEFAULT repeat('poiuyt', 1000); -INSERT INTO T VALUES (25), (26); -ALTER TABLE T ALTER COLUMN c_bpchar DROP DEFAULT, - ALTER COLUMN c_date DROP DEFAULT, - ALTER COLUMN c_text DROP DEFAULT, - ALTER COLUMN c_timestamp DROP DEFAULT, - ALTER COLUMN c_array DROP DEFAULT, - ALTER COLUMN c_small DROP DEFAULT, - ALTER COLUMN c_big DROP DEFAULT, - ALTER COLUMN c_num DROP DEFAULT, - ALTER COLUMN c_time DROP DEFAULT, - ALTER COLUMN c_hugetext DROP DEFAULT; -INSERT INTO T VALUES (27), (28); -SELECT pk, c_int, c_bpchar, c_text, c_date, c_timestamp, - c_timestamp_null, c_array, c_small, c_small_null, - c_big, c_num, c_time, c_interval, - c_hugetext = repeat('abcdefg',1000) as c_hugetext_origdef, - c_hugetext = repeat('poiuyt', 1000) as c_hugetext_newdef -FROM T ORDER BY pk; - pk | c_int | c_bpchar | c_text | c_date | c_timestamp | c_timestamp_null | c_array | c_small | c_small_null | c_big | c_num | c_time | c_interval | c_hugetext_origdef | c_hugetext_newdef -----+-------+----------+--------+------------+--------------------------+--------------------------+--------------------------+---------+--------------+-------------------+-------------------+----------+------------+--------------------+------------------- - 1 | 1 | hello | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 2 | 1 | hello | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 3 | 2 | hello | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 4 | 2 | hello | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 5 | 2 | dog | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 6 | 2 | dog | world | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 7 | 2 | dog | cat | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 8 | 2 | dog | cat | 06-02-2016 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 9 | 2 | dog | cat | 01-01-2010 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 10 | 2 | dog | cat | 01-01-2010 | Thu Sep 01 12:00:00 2016 | | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 11 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 12 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,the,real,world} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 13 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 14 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | -5 | | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 15 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 16 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | 180000000000018 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 17 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 18 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 1.00000000001 | 12:00:00 | @ 1 day | t | f - 19 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 12:00:00 | @ 1 day | t | f - 20 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 12:00:00 | @ 1 day | t | f - 21 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | @ 1 day | t | f - 22 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | @ 1 day | t | f - 23 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | @ 3 hours | t | f - 24 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | @ 3 hours | t | f - 25 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | | f | t - 26 | 2 | dog | cat | 01-01-2010 | Thu Dec 31 11:12:13 1970 | Thu Sep 29 12:00:00 2016 | {This,is,no,fantasy} | 9 | 13 | -9999999999999999 | 2.000000000000002 | 23:59:59 | | f | t - 27 | 2 | | | | | Thu Sep 29 12:00:00 2016 | | | 13 | | | | | | - 28 | 2 | | | | | Thu Sep 29 12:00:00 2016 | | | 13 | | | | | | -(28 rows) - -SELECT comp(); - comp ------------ - Unchanged -(1 row) - -DROP TABLE T; --- Test expressions in the defaults -CREATE OR REPLACE FUNCTION foo(a INT) RETURNS TEXT AS $$ -DECLARE res TEXT := ''; - i INT; -BEGIN - i := 0; - WHILE (i < a) LOOP - res := res || chr(ascii('a') + i); - i := i + 1; - END LOOP; - RETURN res; -END; $$ LANGUAGE PLPGSQL STABLE; -CREATE TABLE T(pk INT NOT NULL PRIMARY KEY, c_int INT DEFAULT LENGTH(foo(6))); -SELECT set('t'); - set ------ - -(1 row) - -INSERT INTO T VALUES (1), (2); -ALTER TABLE T ADD COLUMN c_bpchar BPCHAR(5) DEFAULT foo(4), - ALTER COLUMN c_int SET DEFAULT LENGTH(foo(8)); -INSERT INTO T VALUES (3), (4); -ALTER TABLE T ADD COLUMN c_text TEXT DEFAULT foo(6), - ALTER COLUMN c_bpchar SET DEFAULT foo(3); -INSERT INTO T VALUES (5), (6); -ALTER TABLE T ADD COLUMN c_date DATE - DEFAULT '2016-06-02'::DATE + LENGTH(foo(10)), - ALTER COLUMN c_text SET DEFAULT foo(12); -INSERT INTO T VALUES (7), (8); -ALTER TABLE T ADD COLUMN c_timestamp TIMESTAMP - DEFAULT '2016-09-01'::DATE + LENGTH(foo(10)), - ALTER COLUMN c_date - SET DEFAULT '2010-01-01'::DATE - LENGTH(foo(4)); -INSERT INTO T VALUES (9), (10); -ALTER TABLE T ADD COLUMN c_array TEXT[] - DEFAULT ('{"This", "is", "' || foo(4) || - '","the", "real", "world"}')::TEXT[], - ALTER COLUMN c_timestamp - SET DEFAULT '1970-12-31'::DATE + LENGTH(foo(30)); -INSERT INTO T VALUES (11), (12); -ALTER TABLE T ALTER COLUMN c_int DROP DEFAULT, - ALTER COLUMN c_array - SET DEFAULT ('{"This", "is", "' || foo(1) || - '", "fantasy"}')::text[]; -INSERT INTO T VALUES (13), (14); -ALTER TABLE T ALTER COLUMN c_bpchar DROP DEFAULT, - ALTER COLUMN c_date DROP DEFAULT, - ALTER COLUMN c_text DROP DEFAULT, - ALTER COLUMN c_timestamp DROP DEFAULT, - ALTER COLUMN c_array DROP DEFAULT; -INSERT INTO T VALUES (15), (16); -SELECT * FROM T; - pk | c_int | c_bpchar | c_text | c_date | c_timestamp | c_array -----+-------+----------+--------------+------------+--------------------------+------------------------------- - 1 | 6 | abcd | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 2 | 6 | abcd | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 3 | 8 | abcd | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 4 | 8 | abcd | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 5 | 8 | abc | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 6 | 8 | abc | abcdef | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 7 | 8 | abc | abcdefghijkl | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 8 | 8 | abc | abcdefghijkl | 06-12-2016 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 9 | 8 | abc | abcdefghijkl | 12-28-2009 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 10 | 8 | abc | abcdefghijkl | 12-28-2009 | Sun Sep 11 00:00:00 2016 | {This,is,abcd,the,real,world} - 11 | 8 | abc | abcdefghijkl | 12-28-2009 | Sat Jan 30 00:00:00 1971 | {This,is,abcd,the,real,world} - 12 | 8 | abc | abcdefghijkl | 12-28-2009 | Sat Jan 30 00:00:00 1971 | {This,is,abcd,the,real,world} - 13 | | abc | abcdefghijkl | 12-28-2009 | Sat Jan 30 00:00:00 1971 | {This,is,a,fantasy} - 14 | | abc | abcdefghijkl | 12-28-2009 | Sat Jan 30 00:00:00 1971 | {This,is,a,fantasy} - 15 | | | | | | - 16 | | | | | | -(16 rows) - -SELECT comp(); - comp ------------ - Unchanged -(1 row) - -DROP TABLE T; --- Test domains with default value for table rewrite. -CREATE DOMAIN domain1 AS int DEFAULT 11; -- constant -CREATE DOMAIN domain2 AS int DEFAULT random(min=>10, max=>100); -- volatile -CREATE DOMAIN domain3 AS text DEFAULT foo(4); -- stable -CREATE DOMAIN domain4 AS text[] - DEFAULT ('{"This", "is", "' || foo(4) || '","the", "real", "world"}')::TEXT[]; -CREATE TABLE t2 (a domain1); -INSERT INTO t2 VALUES (1),(2); --- no table rewrite -ALTER TABLE t2 ADD COLUMN b domain1 default 3; -SELECT attnum, attname, atthasmissing, atthasdef, attmissingval -FROM pg_attribute -WHERE attnum > 0 AND attrelid = 't2'::regclass -ORDER BY attnum; - attnum | attname | atthasmissing | atthasdef | attmissingval ---------+---------+---------------+-----------+--------------- - 1 | a | f | f | - 2 | b | t | t | {3} -(2 rows) - --- table rewrite should happen -ALTER TABLE t2 ADD COLUMN c domain3 default left(random()::text,3); -NOTICE: rewriting table t2 for reason 2 --- no table rewrite -ALTER TABLE t2 ADD COLUMN d domain4; -SELECT attnum, attname, atthasmissing, atthasdef, attmissingval -FROM pg_attribute -WHERE attnum > 0 AND attrelid = 't2'::regclass -ORDER BY attnum; - attnum | attname | atthasmissing | atthasdef | attmissingval ---------+---------+---------------+-----------+----------------------------------- - 1 | a | f | f | - 2 | b | f | t | - 3 | c | f | t | - 4 | d | t | f | {"{This,is,abcd,the,real,world}"} -(4 rows) - --- table rewrite should happen -ALTER TABLE t2 ADD COLUMN e domain2; -NOTICE: rewriting table t2 for reason 2 -SELECT attnum, attname, atthasmissing, atthasdef, attmissingval -FROM pg_attribute -WHERE attnum > 0 AND attrelid = 't2'::regclass -ORDER BY attnum; - attnum | attname | atthasmissing | atthasdef | attmissingval ---------+---------+---------------+-----------+--------------- - 1 | a | f | f | - 2 | b | f | t | - 3 | c | f | t | - 4 | d | f | f | - 5 | e | f | f | -(5 rows) - -SELECT a, b, length(c) = 3 as c_ok, d, e >= 10 as e_ok FROM t2; - a | b | c_ok | d | e_ok ----+---+------+-------------------------------+------ - 1 | 3 | t | {This,is,abcd,the,real,world} | t - 2 | 3 | t | {This,is,abcd,the,real,world} | t -(2 rows) - -DROP TABLE t2; -DROP DOMAIN domain1; -DROP DOMAIN domain2; -DROP DOMAIN domain3; -DROP DOMAIN domain4; -DROP FUNCTION foo(INT); --- Fall back to full rewrite for volatile expressions -CREATE TABLE T(pk INT NOT NULL PRIMARY KEY); -INSERT INTO T VALUES (1); -SELECT set('t'); - set ------ - -(1 row) - --- now() is stable, because it returns the transaction timestamp -ALTER TABLE T ADD COLUMN c1 TIMESTAMP DEFAULT now(); -SELECT comp(); - comp ------------ - Unchanged -(1 row) - --- clock_timestamp() is volatile -ALTER TABLE T ADD COLUMN c2 TIMESTAMP DEFAULT clock_timestamp(); -NOTICE: rewriting table t for reason 2 -SELECT comp(); - comp ------------ - Rewritten -(1 row) - --- check that we notice insertion of a volatile default argument -CREATE FUNCTION foolme(timestamptz DEFAULT clock_timestamp()) - RETURNS timestamptz - IMMUTABLE AS 'select $1' LANGUAGE sql; -ALTER TABLE T ADD COLUMN c3 timestamptz DEFAULT foolme(); -NOTICE: rewriting table t for reason 2 -SELECT attname, atthasmissing, attmissingval FROM pg_attribute - WHERE attrelid = 't'::regclass AND attnum > 0 - ORDER BY attnum; - attname | atthasmissing | attmissingval ----------+---------------+--------------- - pk | f | - c1 | f | - c2 | f | - c3 | f | -(4 rows) - -DROP TABLE T; -DROP FUNCTION foolme(timestamptz); --- Simple querie -CREATE TABLE T (pk INT NOT NULL PRIMARY KEY); -SELECT set('t'); - set ------ - -(1 row) - -INSERT INTO T SELECT * FROM generate_series(1, 10) a; -ALTER TABLE T ADD COLUMN c_bigint BIGINT NOT NULL DEFAULT -1; -INSERT INTO T SELECT b, b - 10 FROM generate_series(11, 20) a(b); -ALTER TABLE T ADD COLUMN c_text TEXT DEFAULT 'hello'; -INSERT INTO T SELECT b, b - 10, (b + 10)::text FROM generate_series(21, 30) a(b); --- WHERE clause -SELECT c_bigint, c_text FROM T WHERE c_bigint = -1 LIMIT 1; - c_bigint | c_text -----------+-------- - -1 | hello -(1 row) - -EXPLAIN (VERBOSE TRUE, COSTS FALSE) -SELECT c_bigint, c_text FROM T WHERE c_bigint = -1 LIMIT 1; - QUERY PLAN ----------------------------------------------- - Limit - Output: c_bigint, c_text - -> Seq Scan on fast_default.t - Output: c_bigint, c_text - Filter: (t.c_bigint = '-1'::integer) -(5 rows) - -SELECT c_bigint, c_text FROM T WHERE c_text = 'hello' LIMIT 1; - c_bigint | c_text -----------+-------- - -1 | hello -(1 row) - -EXPLAIN (VERBOSE TRUE, COSTS FALSE) SELECT c_bigint, c_text FROM T WHERE c_text = 'hello' LIMIT 1; - QUERY PLAN --------------------------------------------- - Limit - Output: c_bigint, c_text - -> Seq Scan on fast_default.t - Output: c_bigint, c_text - Filter: (t.c_text = 'hello'::text) -(5 rows) - --- COALESCE -SELECT COALESCE(c_bigint, pk), COALESCE(c_text, pk::text) -FROM T -ORDER BY pk LIMIT 10; - coalesce | coalesce -----------+---------- - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello - -1 | hello -(10 rows) - --- Aggregate function -SELECT SUM(c_bigint), MAX(c_text COLLATE "C" ), MIN(c_text COLLATE "C") FROM T; - sum | max | min ------+-------+----- - 200 | hello | 31 -(1 row) - --- ORDER BY -SELECT * FROM T ORDER BY c_bigint, c_text, pk LIMIT 10; - pk | c_bigint | c_text -----+----------+-------- - 1 | -1 | hello - 2 | -1 | hello - 3 | -1 | hello - 4 | -1 | hello - 5 | -1 | hello - 6 | -1 | hello - 7 | -1 | hello - 8 | -1 | hello - 9 | -1 | hello - 10 | -1 | hello -(10 rows) - -EXPLAIN (VERBOSE TRUE, COSTS FALSE) -SELECT * FROM T ORDER BY c_bigint, c_text, pk LIMIT 10; - QUERY PLAN ----------------------------------------------- - Limit - Output: pk, c_bigint, c_text - -> Sort - Output: pk, c_bigint, c_text - Sort Key: t.c_bigint, t.c_text, t.pk - -> Seq Scan on fast_default.t - Output: pk, c_bigint, c_text -(7 rows) - --- LIMIT -SELECT * FROM T WHERE c_bigint > -1 ORDER BY c_bigint, c_text, pk LIMIT 10; - pk | c_bigint | c_text -----+----------+-------- - 11 | 1 | hello - 12 | 2 | hello - 13 | 3 | hello - 14 | 4 | hello - 15 | 5 | hello - 16 | 6 | hello - 17 | 7 | hello - 18 | 8 | hello - 19 | 9 | hello - 20 | 10 | hello -(10 rows) - -EXPLAIN (VERBOSE TRUE, COSTS FALSE) -SELECT * FROM T WHERE c_bigint > -1 ORDER BY c_bigint, c_text, pk LIMIT 10; - QUERY PLAN ----------------------------------------------------- - Limit - Output: pk, c_bigint, c_text - -> Sort - Output: pk, c_bigint, c_text - Sort Key: t.c_bigint, t.c_text, t.pk - -> Seq Scan on fast_default.t - Output: pk, c_bigint, c_text - Filter: (t.c_bigint > '-1'::integer) -(8 rows) - --- DELETE with RETURNING -DELETE FROM T WHERE pk BETWEEN 10 AND 20 RETURNING *; - pk | c_bigint | c_text -----+----------+-------- - 10 | -1 | hello - 11 | 1 | hello - 12 | 2 | hello - 13 | 3 | hello - 14 | 4 | hello - 15 | 5 | hello - 16 | 6 | hello - 17 | 7 | hello - 18 | 8 | hello - 19 | 9 | hello - 20 | 10 | hello -(11 rows) - -EXPLAIN (VERBOSE TRUE, COSTS FALSE) -DELETE FROM T WHERE pk BETWEEN 10 AND 20 RETURNING *; - QUERY PLAN ------------------------------------------------------------ - Delete on fast_default.t - Output: pk, c_bigint, c_text - -> Bitmap Heap Scan on fast_default.t - Output: ctid - Recheck Cond: ((t.pk >= 10) AND (t.pk <= 20)) - -> Bitmap Index Scan on t_pkey - Index Cond: ((t.pk >= 10) AND (t.pk <= 20)) -(7 rows) - --- UPDATE -UPDATE T SET c_text = '"' || c_text || '"' WHERE pk < 10; -SELECT * FROM T WHERE c_text LIKE '"%"' ORDER BY PK; - pk | c_bigint | c_text -----+----------+--------- - 1 | -1 | "hello" - 2 | -1 | "hello" - 3 | -1 | "hello" - 4 | -1 | "hello" - 5 | -1 | "hello" - 6 | -1 | "hello" - 7 | -1 | "hello" - 8 | -1 | "hello" - 9 | -1 | "hello" -(9 rows) - -SELECT comp(); - comp ------------ - Unchanged -(1 row) - -DROP TABLE T; --- Combine with other DDL -CREATE TABLE T(pk INT NOT NULL PRIMARY KEY); -SELECT set('t'); - set ------ - -(1 row) - -INSERT INTO T VALUES (1), (2); -ALTER TABLE T ADD COLUMN c_int INT NOT NULL DEFAULT -1; -INSERT INTO T VALUES (3), (4); -ALTER TABLE T ADD COLUMN c_text TEXT DEFAULT 'Hello'; -INSERT INTO T VALUES (5), (6); -ALTER TABLE T ALTER COLUMN c_text SET DEFAULT 'world', - ALTER COLUMN c_int SET DEFAULT 1; -INSERT INTO T VALUES (7), (8); -SELECT * FROM T ORDER BY pk; - pk | c_int | c_text -----+-------+-------- - 1 | -1 | Hello - 2 | -1 | Hello - 3 | -1 | Hello - 4 | -1 | Hello - 5 | -1 | Hello - 6 | -1 | Hello - 7 | 1 | world - 8 | 1 | world -(8 rows) - --- Add an index -CREATE INDEX i ON T(c_int, c_text); -SELECT c_text FROM T WHERE c_int = -1; - c_text --------- - Hello - Hello - Hello - Hello - Hello - Hello -(6 rows) - -SELECT comp(); - comp ------------ - Unchanged -(1 row) - --- query to exercise expand_tuple function -CREATE TABLE t1 AS -SELECT 1::int AS a , 2::int AS b -FROM generate_series(1,20) q; -ALTER TABLE t1 ADD COLUMN c text; -SELECT a, - stddev(cast((SELECT sum(1) FROM generate_series(1,20) x) AS float4)) - OVER (PARTITION BY a,b,c ORDER BY b) - AS z -FROM t1; - a | z ----+--- - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 - 1 | 0 -(20 rows) - -DROP TABLE T; --- test that we account for missing columns without defaults correctly --- in expand_tuple, and that rows are correctly expanded for triggers -CREATE FUNCTION test_trigger() -RETURNS trigger -LANGUAGE plpgsql -AS $$ - -begin - raise notice 'old tuple: %', to_json(OLD)::text; - if TG_OP = 'DELETE' - then - return OLD; - else - return NEW; - end if; -end; - -$$; --- 2 new columns, both have defaults -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,3); -ALTER TABLE t ADD COLUMN x int NOT NULL DEFAULT 4; -ALTER TABLE t ADD COLUMN y int NOT NULL DEFAULT 5; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | 4 | 5 -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":3,"x":4,"y":5} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | 4 | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, first has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,3); -ALTER TABLE t ADD COLUMN x int NOT NULL DEFAULT 4; -ALTER TABLE t ADD COLUMN y int; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | 4 | -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":3,"x":4,"y":null} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | 4 | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, second has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,3); -ALTER TABLE t ADD COLUMN x int; -ALTER TABLE t ADD COLUMN y int NOT NULL DEFAULT 5; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | | 5 -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":3,"x":null,"y":5} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, neither has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,3); -ALTER TABLE t ADD COLUMN x int; -ALTER TABLE t ADD COLUMN y int; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | | -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":3,"x":null,"y":null} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | 3 | | 2 -(1 row) - -DROP TABLE t; --- same as last 4 tests but here the last original column has a NULL value --- 2 new columns, both have defaults -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,NULL); -ALTER TABLE t ADD COLUMN x int NOT NULL DEFAULT 4; -ALTER TABLE t ADD COLUMN y int NOT NULL DEFAULT 5; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | 4 | 5 -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":null,"x":4,"y":5} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | 4 | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, first has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,NULL); -ALTER TABLE t ADD COLUMN x int NOT NULL DEFAULT 4; -ALTER TABLE t ADD COLUMN y int; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | 4 | -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":null,"x":4,"y":null} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | 4 | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, second has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,NULL); -ALTER TABLE t ADD COLUMN x int; -ALTER TABLE t ADD COLUMN y int NOT NULL DEFAULT 5; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | | 5 -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":null,"x":null,"y":5} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | | 2 -(1 row) - -DROP TABLE t; --- 2 new columns, neither has default -CREATE TABLE t (id serial PRIMARY KEY, a int, b int, c int); -INSERT INTO t (a,b,c) VALUES (1,2,NULL); -ALTER TABLE t ADD COLUMN x int; -ALTER TABLE t ADD COLUMN y int; -CREATE TRIGGER a BEFORE UPDATE ON t FOR EACH ROW EXECUTE PROCEDURE test_trigger(); -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | | -(1 row) - -UPDATE t SET y = 2; -NOTICE: old tuple: {"id":1,"a":1,"b":2,"c":null,"x":null,"y":null} -SELECT * FROM t; - id | a | b | c | x | y -----+---+---+---+---+--- - 1 | 1 | 2 | | | 2 -(1 row) - -DROP TABLE t; --- make sure expanded tuple has correct self pointer --- it will be required by the RI trigger doing the cascading delete -CREATE TABLE leader (a int PRIMARY KEY, b int); -CREATE TABLE follower (a int REFERENCES leader ON DELETE CASCADE, b int); -INSERT INTO leader VALUES (1, 1), (2, 2); -ALTER TABLE leader ADD c int; -ALTER TABLE leader DROP c; -DELETE FROM leader; --- check that ALTER TABLE ... ALTER TYPE does the right thing -CREATE TABLE vtype( a integer); -INSERT INTO vtype VALUES (1); -ALTER TABLE vtype ADD COLUMN b DOUBLE PRECISION DEFAULT 0.2; -ALTER TABLE vtype ADD COLUMN c BOOLEAN DEFAULT true; -SELECT * FROM vtype; - a | b | c ----+-----+--- - 1 | 0.2 | t -(1 row) - -ALTER TABLE vtype - ALTER b TYPE text USING b::text, - ALTER c TYPE text USING c::text; -NOTICE: rewriting table vtype for reason 4 -SELECT * FROM vtype; - a | b | c ----+-----+------ - 1 | 0.2 | true -(1 row) - --- also check the case that doesn't rewrite the table -CREATE TABLE vtype2 (a int); -INSERT INTO vtype2 VALUES (1); -ALTER TABLE vtype2 ADD COLUMN b varchar(10) DEFAULT 'xxx'; -ALTER TABLE vtype2 ALTER COLUMN b SET DEFAULT 'yyy'; -INSERT INTO vtype2 VALUES (2); -ALTER TABLE vtype2 ALTER COLUMN b TYPE varchar(20) USING b::varchar(20); -SELECT * FROM vtype2; - a | b ----+----- - 1 | xxx - 2 | yyy -(2 rows) - --- Ensure that defaults are checked when evaluating whether HOT update --- is possible, this was broken for a while: --- https://postgr.es/m/20190202133521.ylauh3ckqa7colzj%40alap3.anarazel.de -BEGIN; -CREATE TABLE t(); -INSERT INTO t DEFAULT VALUES; -ALTER TABLE t ADD COLUMN a int DEFAULT 1; -CREATE INDEX ON t(a); --- set column with a default 1 to NULL, due to a bug that wasn't --- noticed has heap_getattr buggily returned NULL for default columns -UPDATE t SET a = NULL; --- verify that index and non-index scans show the same result -SET LOCAL enable_seqscan = true; -SELECT * FROM t WHERE a IS NULL; - a ---- - -(1 row) - -SET LOCAL enable_seqscan = false; -SELECT * FROM t WHERE a IS NULL; - a ---- - -(1 row) - -ROLLBACK; --- verify that a default set on a non-plain table doesn't set a missing --- value on the attribute -CREATE FOREIGN DATA WRAPPER dummy; -CREATE SERVER s0 FOREIGN DATA WRAPPER dummy; -CREATE FOREIGN TABLE ft1 (c1 integer NOT NULL) SERVER s0; -ALTER FOREIGN TABLE ft1 ADD COLUMN c8 integer DEFAULT 0; -ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10); -SELECT count(*) - FROM pg_attribute - WHERE attrelid = 'ft1'::regclass AND - (attmissingval IS NOT NULL OR atthasmissing); - count -------- - 0 -(1 row) - --- cleanup -DROP FOREIGN TABLE ft1; -DROP SERVER s0; -DROP FOREIGN DATA WRAPPER dummy; -DROP TABLE vtype; -DROP TABLE vtype2; -DROP TABLE follower; -DROP TABLE leader; -DROP FUNCTION test_trigger(); -DROP TABLE t1; -DROP FUNCTION set(name); -DROP FUNCTION comp(); -DROP TABLE m; -DROP TABLE has_volatile; -DROP EVENT TRIGGER has_volatile_rewrite; -DROP FUNCTION log_rewrite; -DROP SCHEMA fast_default; --- Leave a table with an active fast default in place, for pg_upgrade testing -set search_path = public; -create table has_fast_default(f1 int); -insert into has_fast_default values(1); -alter table has_fast_default add column f2 int default 42; -table has_fast_default; - f1 | f2 -----+---- - 1 | 42 -(1 row) - +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/tablespace.out /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/tablespace.out --- /tmp/cirrus-ci-build/src/test/regress/expected/tablespace.out 2025-06-04 16:00:28.795075000 +0000 +++ /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/results/tablespace.out 2025-06-04 16:05:12.729100000 +0000 @@ -1,973 +1,2 @@ --- relative tablespace locations are not allowed -CREATE TABLESPACE regress_tblspace LOCATION 'relative'; -- fail -ERROR: tablespace location must be an absolute path --- empty tablespace locations are not usually allowed -CREATE TABLESPACE regress_tblspace LOCATION ''; -- fail -ERROR: tablespace location must be an absolute path --- as a special developer-only option to allow us to use tablespaces --- with streaming replication on the same server, an empty location --- can be allowed as a way to say that the tablespace should be created --- as a directory in pg_tblspc, rather than being a symlink -SET allow_in_place_tablespaces = true; --- create a tablespace using WITH clause -CREATE TABLESPACE regress_tblspacewith LOCATION '' WITH (some_nonexistent_parameter = true); -- fail -ERROR: unrecognized parameter "some_nonexistent_parameter" -CREATE TABLESPACE regress_tblspacewith LOCATION '' WITH (random_page_cost = 3.0); -- ok --- check to see the parameter was used -SELECT spcoptions FROM pg_tablespace WHERE spcname = 'regress_tblspacewith'; - spcoptions ------------------------- - {random_page_cost=3.0} -(1 row) - --- drop the tablespace so we can re-use the location -DROP TABLESPACE regress_tblspacewith; --- This returns a relative path as of an effect of allow_in_place_tablespaces, --- masking the tablespace OID used in the path name. -SELECT regexp_replace(pg_tablespace_location(oid), '(pg_tblspc)/(\d+)', '\1/NNN') - FROM pg_tablespace WHERE spcname = 'regress_tblspace'; - regexp_replace ----------------- - pg_tblspc/NNN -(1 row) - --- try setting and resetting some properties for the new tablespace -ALTER TABLESPACE regress_tblspace SET (random_page_cost = 1.0, seq_page_cost = 1.1); -ALTER TABLESPACE regress_tblspace SET (some_nonexistent_parameter = true); -- fail -ERROR: unrecognized parameter "some_nonexistent_parameter" -ALTER TABLESPACE regress_tblspace RESET (random_page_cost = 2.0); -- fail -ERROR: RESET must not include values for parameters -ALTER TABLESPACE regress_tblspace RESET (random_page_cost, effective_io_concurrency); -- ok --- REINDEX (TABLESPACE) --- catalogs and system tablespaces --- system catalog, fail -REINDEX (TABLESPACE regress_tblspace) TABLE pg_am; -ERROR: cannot move system relation "pg_am_name_index" -REINDEX (TABLESPACE regress_tblspace) TABLE CONCURRENTLY pg_am; -ERROR: cannot reindex system catalogs concurrently --- shared catalog, fail -REINDEX (TABLESPACE regress_tblspace) TABLE pg_authid; -ERROR: cannot move system relation "pg_authid_rolname_index" -REINDEX (TABLESPACE regress_tblspace) TABLE CONCURRENTLY pg_authid; -ERROR: cannot reindex system catalogs concurrently --- toast relations, fail -REINDEX (TABLESPACE regress_tblspace) INDEX pg_toast.pg_toast_1262_index; -ERROR: cannot move system relation "pg_toast_1262_index" -REINDEX (TABLESPACE regress_tblspace) INDEX CONCURRENTLY pg_toast.pg_toast_1262_index; -ERROR: cannot reindex system catalogs concurrently -REINDEX (TABLESPACE regress_tblspace) TABLE pg_toast.pg_toast_1262; -ERROR: cannot move system relation "pg_toast_1262_index" -REINDEX (TABLESPACE regress_tblspace) TABLE CONCURRENTLY pg_toast.pg_toast_1262; -ERROR: cannot reindex system catalogs concurrently --- system catalog, fail -REINDEX (TABLESPACE pg_global) TABLE pg_authid; -ERROR: cannot move system relation "pg_authid_rolname_index" -REINDEX (TABLESPACE pg_global) TABLE CONCURRENTLY pg_authid; -ERROR: cannot reindex system catalogs concurrently --- table with toast relation -CREATE TABLE regress_tblspace_test_tbl (num1 bigint, num2 double precision, t text); -INSERT INTO regress_tblspace_test_tbl (num1, num2, t) - SELECT round(random()*100), random(), 'text' - FROM generate_series(1, 10) s(i); -CREATE INDEX regress_tblspace_test_tbl_idx ON regress_tblspace_test_tbl (num1); --- move to global tablespace, fail -REINDEX (TABLESPACE pg_global) INDEX regress_tblspace_test_tbl_idx; -ERROR: only shared relations can be placed in pg_global tablespace -REINDEX (TABLESPACE pg_global) INDEX CONCURRENTLY regress_tblspace_test_tbl_idx; -ERROR: cannot move non-shared relation to tablespace "pg_global" --- check transactional behavior of REINDEX (TABLESPACE) -BEGIN; -REINDEX (TABLESPACE regress_tblspace) INDEX regress_tblspace_test_tbl_idx; -REINDEX (TABLESPACE regress_tblspace) TABLE regress_tblspace_test_tbl; -ROLLBACK; --- no relation moved to the new tablespace -SELECT c.relname FROM pg_class c, pg_tablespace s - WHERE c.reltablespace = s.oid AND s.spcname = 'regress_tblspace'; - relname ---------- -(0 rows) - --- check that all indexes are moved to a new tablespace with different --- relfilenode. --- Save first the existing relfilenode for the toast and main relations. -SELECT relfilenode as main_filenode FROM pg_class - WHERE relname = 'regress_tblspace_test_tbl_idx' \gset -SELECT relfilenode as toast_filenode FROM pg_class - WHERE oid = - (SELECT i.indexrelid - FROM pg_class c, - pg_index i - WHERE i.indrelid = c.reltoastrelid AND - c.relname = 'regress_tblspace_test_tbl') \gset -REINDEX (TABLESPACE regress_tblspace) TABLE regress_tblspace_test_tbl; -SELECT c.relname FROM pg_class c, pg_tablespace s - WHERE c.reltablespace = s.oid AND s.spcname = 'regress_tblspace' - ORDER BY c.relname; - relname -------------------------------- - regress_tblspace_test_tbl_idx -(1 row) - -ALTER TABLE regress_tblspace_test_tbl SET TABLESPACE regress_tblspace; -ALTER TABLE regress_tblspace_test_tbl SET TABLESPACE pg_default; -SELECT c.relname FROM pg_class c, pg_tablespace s - WHERE c.reltablespace = s.oid AND s.spcname = 'regress_tblspace' - ORDER BY c.relname; - relname -------------------------------- - regress_tblspace_test_tbl_idx -(1 row) - --- Move back to the default tablespace. -ALTER INDEX regress_tblspace_test_tbl_idx SET TABLESPACE pg_default; -SELECT c.relname FROM pg_class c, pg_tablespace s - WHERE c.reltablespace = s.oid AND s.spcname = 'regress_tblspace' - ORDER BY c.relname; - relname ---------- -(0 rows) - -REINDEX (TABLESPACE regress_tblspace, CONCURRENTLY) TABLE regress_tblspace_test_tbl; -SELECT c.relname FROM pg_class c, pg_tablespace s - WHERE c.reltablespace = s.oid AND s.spcname = 'regress_tblspace' - ORDER BY c.relname; - relname -------------------------------- - regress_tblspace_test_tbl_idx -(1 row) - -SELECT relfilenode = :main_filenode AS main_same FROM pg_class - WHERE relname = 'regress_tblspace_test_tbl_idx'; - main_same ------------ - f -(1 row) - -SELECT relfilenode = :toast_filenode as toast_same FROM pg_class - WHERE oid = - (SELECT i.indexrelid - FROM pg_class c, - pg_index i - WHERE i.indrelid = c.reltoastrelid AND - c.relname = 'regress_tblspace_test_tbl'); - toast_same ------------- - f -(1 row) - -DROP TABLE regress_tblspace_test_tbl; --- REINDEX (TABLESPACE) with partitions --- Create a partition tree and check the set of relations reindexed --- with their new tablespace. -CREATE TABLE tbspace_reindex_part (c1 int, c2 int) PARTITION BY RANGE (c1); -CREATE TABLE tbspace_reindex_part_0 PARTITION OF tbspace_reindex_part - FOR VALUES FROM (0) TO (10) PARTITION BY list (c2); -CREATE TABLE tbspace_reindex_part_0_1 PARTITION OF tbspace_reindex_part_0 - FOR VALUES IN (1); -CREATE TABLE tbspace_reindex_part_0_2 PARTITION OF tbspace_reindex_part_0 - FOR VALUES IN (2); --- This partitioned table will have no partitions. -CREATE TABLE tbspace_reindex_part_10 PARTITION OF tbspace_reindex_part - FOR VALUES FROM (10) TO (20) PARTITION BY list (c2); --- Create some partitioned indexes -CREATE INDEX tbspace_reindex_part_index ON ONLY tbspace_reindex_part (c1); -CREATE INDEX tbspace_reindex_part_index_0 ON ONLY tbspace_reindex_part_0 (c1); -ALTER INDEX tbspace_reindex_part_index ATTACH PARTITION tbspace_reindex_part_index_0; --- This partitioned index will have no partitions. -CREATE INDEX tbspace_reindex_part_index_10 ON ONLY tbspace_reindex_part_10 (c1); -ALTER INDEX tbspace_reindex_part_index ATTACH PARTITION tbspace_reindex_part_index_10; -CREATE INDEX tbspace_reindex_part_index_0_1 ON ONLY tbspace_reindex_part_0_1 (c1); -ALTER INDEX tbspace_reindex_part_index_0 ATTACH PARTITION tbspace_reindex_part_index_0_1; -CREATE INDEX tbspace_reindex_part_index_0_2 ON ONLY tbspace_reindex_part_0_2 (c1); -ALTER INDEX tbspace_reindex_part_index_0 ATTACH PARTITION tbspace_reindex_part_index_0_2; -SELECT relid, parentrelid, level FROM pg_partition_tree('tbspace_reindex_part_index') - ORDER BY relid, level; - relid | parentrelid | level ---------------------------------+------------------------------+------- - tbspace_reindex_part_index | | 0 - tbspace_reindex_part_index_0 | tbspace_reindex_part_index | 1 - tbspace_reindex_part_index_10 | tbspace_reindex_part_index | 1 - tbspace_reindex_part_index_0_1 | tbspace_reindex_part_index_0 | 2 - tbspace_reindex_part_index_0_2 | tbspace_reindex_part_index_0 | 2 -(5 rows) - --- Track the original tablespace, relfilenode and OID of each index --- in the tree. -CREATE TEMP TABLE reindex_temp_before AS - SELECT oid, relname, relfilenode, reltablespace - FROM pg_class - WHERE relname ~ 'tbspace_reindex_part_index'; -REINDEX (TABLESPACE regress_tblspace, CONCURRENTLY) TABLE tbspace_reindex_part; --- REINDEX CONCURRENTLY changes the OID of the old relation, hence a check --- based on the relation name below. -SELECT b.relname, - CASE WHEN a.relfilenode = b.relfilenode THEN 'relfilenode is unchanged' - ELSE 'relfilenode has changed' END AS filenode, - CASE WHEN a.reltablespace = b.reltablespace THEN 'reltablespace is unchanged' - ELSE 'reltablespace has changed' END AS tbspace - FROM reindex_temp_before b JOIN pg_class a ON b.relname = a.relname - ORDER BY 1; - relname | filenode | tbspace ---------------------------------+--------------------------+---------------------------- - tbspace_reindex_part_index | relfilenode is unchanged | reltablespace is unchanged - tbspace_reindex_part_index_0 | relfilenode is unchanged | reltablespace is unchanged - tbspace_reindex_part_index_0_1 | relfilenode has changed | reltablespace has changed - tbspace_reindex_part_index_0_2 | relfilenode has changed | reltablespace has changed - tbspace_reindex_part_index_10 | relfilenode is unchanged | reltablespace is unchanged -(5 rows) - -DROP TABLE tbspace_reindex_part; --- create a schema we can use -CREATE SCHEMA testschema; --- try a table -CREATE TABLE testschema.foo (i int) TABLESPACE regress_tblspace; -SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c - where c.reltablespace = t.oid AND c.relname = 'foo'; - relname | spcname ----------+------------------ - foo | regress_tblspace -(1 row) - -INSERT INTO testschema.foo VALUES(1); -INSERT INTO testschema.foo VALUES(2); --- tables from dynamic sources -CREATE TABLE testschema.asselect TABLESPACE regress_tblspace AS SELECT 1; -SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c - where c.reltablespace = t.oid AND c.relname = 'asselect'; - relname | spcname -----------+------------------ - asselect | regress_tblspace -(1 row) - -PREPARE selectsource(int) AS SELECT $1; -CREATE TABLE testschema.asexecute TABLESPACE regress_tblspace - AS EXECUTE selectsource(2); -SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c - where c.reltablespace = t.oid AND c.relname = 'asexecute'; - relname | spcname ------------+------------------ - asexecute | regress_tblspace -(1 row) - --- index -CREATE INDEX foo_idx on testschema.foo(i) TABLESPACE regress_tblspace; -SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c - where c.reltablespace = t.oid AND c.relname = 'foo_idx'; - relname | spcname ----------+------------------ - foo_idx | regress_tblspace -(1 row) - --- check \d output -\d testschema.foo - Table "testschema.foo" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - i | integer | | | -Indexes: - "foo_idx" btree (i), tablespace "regress_tblspace" -Tablespace: "regress_tblspace" - -\d testschema.foo_idx - Index "testschema.foo_idx" - Column | Type | Key? | Definition ---------+---------+------+------------ - i | integer | yes | i -btree, for table "testschema.foo" -Tablespace: "regress_tblspace" - --- --- partitioned table --- -CREATE TABLE testschema.part (a int) PARTITION BY LIST (a); -SET default_tablespace TO pg_global; -CREATE TABLE testschema.part_1 PARTITION OF testschema.part FOR VALUES IN (1); -ERROR: only shared relations can be placed in pg_global tablespace -RESET default_tablespace; -CREATE TABLE testschema.part_1 PARTITION OF testschema.part FOR VALUES IN (1); -SET default_tablespace TO regress_tblspace; -CREATE TABLE testschema.part_2 PARTITION OF testschema.part FOR VALUES IN (2); -SET default_tablespace TO pg_global; -CREATE TABLE testschema.part_3 PARTITION OF testschema.part FOR VALUES IN (3); -ERROR: only shared relations can be placed in pg_global tablespace -ALTER TABLE testschema.part SET TABLESPACE regress_tblspace; -CREATE TABLE testschema.part_3 PARTITION OF testschema.part FOR VALUES IN (3); -CREATE TABLE testschema.part_4 PARTITION OF testschema.part FOR VALUES IN (4) - TABLESPACE pg_default; -CREATE TABLE testschema.part_56 PARTITION OF testschema.part FOR VALUES IN (5, 6) - PARTITION BY LIST (a); -ALTER TABLE testschema.part SET TABLESPACE pg_default; -CREATE TABLE testschema.part_78 PARTITION OF testschema.part FOR VALUES IN (7, 8) - PARTITION BY LIST (a); -ERROR: only shared relations can be placed in pg_global tablespace -CREATE TABLE testschema.part_910 PARTITION OF testschema.part FOR VALUES IN (9, 10) - PARTITION BY LIST (a) TABLESPACE regress_tblspace; -RESET default_tablespace; -CREATE TABLE testschema.part_78 PARTITION OF testschema.part FOR VALUES IN (7, 8) - PARTITION BY LIST (a); -SELECT relname, spcname FROM pg_catalog.pg_class c - JOIN pg_catalog.pg_namespace n ON (c.relnamespace = n.oid) - LEFT JOIN pg_catalog.pg_tablespace t ON c.reltablespace = t.oid - where c.relname LIKE 'part%' AND n.nspname = 'testschema' order by relname; - relname | spcname -----------+------------------ - part | - part_1 | - part_2 | regress_tblspace - part_3 | regress_tblspace - part_4 | - part_56 | regress_tblspace - part_78 | - part_910 | regress_tblspace -(8 rows) - -RESET default_tablespace; -DROP TABLE testschema.part; --- partitioned index -CREATE TABLE testschema.part (a int) PARTITION BY LIST (a); -CREATE TABLE testschema.part1 PARTITION OF testschema.part FOR VALUES IN (1); -CREATE INDEX part_a_idx ON testschema.part (a) TABLESPACE regress_tblspace; -CREATE TABLE testschema.part2 PARTITION OF testschema.part FOR VALUES IN (2); -SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c - where c.reltablespace = t.oid AND c.relname LIKE 'part%_idx' ORDER BY relname; - relname | spcname --------------+------------------ - part1_a_idx | regress_tblspace - part2_a_idx | regress_tblspace - part_a_idx | regress_tblspace -(3 rows) - -\d testschema.part - Partitioned table "testschema.part" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition key: LIST (a) -Indexes: - "part_a_idx" btree (a), tablespace "regress_tblspace" -Number of partitions: 2 (Use \d+ to list them.) - -\d+ testschema.part - Partitioned table "testschema.part" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - a | integer | | | | plain | | -Partition key: LIST (a) -Indexes: - "part_a_idx" btree (a), tablespace "regress_tblspace" -Partitions: testschema.part1 FOR VALUES IN (1), - testschema.part2 FOR VALUES IN (2) - -\d testschema.part1 - Table "testschema.part1" - Column | Type | Collation | Nullable | Default ---------+---------+-----------+----------+--------- - a | integer | | | -Partition of: testschema.part FOR VALUES IN (1) -Indexes: - "part1_a_idx" btree (a), tablespace "regress_tblspace" - -\d+ testschema.part1 - Table "testschema.part1" - Column | Type | Collation | Nullable | Default | Storage | Stats target | Description ---------+---------+-----------+----------+---------+---------+--------------+------------- - a | integer | | | | plain | | -Partition of: testschema.part FOR VALUES IN (1) -Partition constraint: ((a IS NOT NULL) AND (a = 1)) -Indexes: - "part1_a_idx" btree (a), tablespace "regress_tblspace" - -\d testschema.part_a_idx -Partitioned index "testschema.part_a_idx" - Column | Type | Key? | Definition ---------+---------+------+------------ - a | integer | yes | a -btree, for table "testschema.part" -Number of partitions: 2 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d+ testschema.part_a_idx - Partitioned index "testschema.part_a_idx" - Column | Type | Key? | Definition | Storage | Stats target ---------+---------+------+------------+---------+-------------- - a | integer | yes | a | plain | -btree, for table "testschema.part" -Partitions: testschema.part1_a_idx, - testschema.part2_a_idx -Tablespace: "regress_tblspace" - --- partitioned rels cannot specify the default tablespace. These fail: -CREATE TABLE testschema.dflt (a int PRIMARY KEY) PARTITION BY LIST (a) TABLESPACE pg_default; -ERROR: cannot specify default tablespace for partitioned relations -CREATE TABLE testschema.dflt (a int PRIMARY KEY USING INDEX TABLESPACE pg_default) PARTITION BY LIST (a); -ERROR: cannot specify default tablespace for partitioned relations -SET default_tablespace TO 'pg_default'; -CREATE TABLE testschema.dflt (a int PRIMARY KEY) PARTITION BY LIST (a) TABLESPACE regress_tblspace; -ERROR: cannot specify default tablespace for partitioned relations -CREATE TABLE testschema.dflt (a int PRIMARY KEY USING INDEX TABLESPACE regress_tblspace) PARTITION BY LIST (a); -ERROR: cannot specify default tablespace for partitioned relations --- but these work: -CREATE TABLE testschema.dflt (a int PRIMARY KEY USING INDEX TABLESPACE regress_tblspace) PARTITION BY LIST (a) TABLESPACE regress_tblspace; -SET default_tablespace TO ''; -CREATE TABLE testschema.dflt2 (a int PRIMARY KEY) PARTITION BY LIST (a); -DROP TABLE testschema.dflt, testschema.dflt2; --- check that default_tablespace doesn't affect ALTER TABLE index rebuilds -CREATE TABLE testschema.test_default_tab(id bigint) TABLESPACE regress_tblspace; -INSERT INTO testschema.test_default_tab VALUES (1); -CREATE INDEX test_index1 on testschema.test_default_tab (id); -CREATE INDEX test_index2 on testschema.test_default_tab (id) TABLESPACE regress_tblspace; -ALTER TABLE testschema.test_default_tab ADD CONSTRAINT test_index3 PRIMARY KEY (id); -ALTER TABLE testschema.test_default_tab ADD CONSTRAINT test_index4 UNIQUE (id) USING INDEX TABLESPACE regress_tblspace; -\d testschema.test_index1 - Index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" - -\d testschema.test_index2 - Index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_index3 - Index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab" - -\d testschema.test_index4 - Index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - --- use a custom tablespace for default_tablespace -SET default_tablespace TO regress_tblspace; --- tablespace should not change if no rewrite -ALTER TABLE testschema.test_default_tab ALTER id TYPE bigint; -\d testschema.test_index1 - Index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" - -\d testschema.test_index2 - Index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_index3 - Index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab" - -\d testschema.test_index4 - Index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -SELECT * FROM testschema.test_default_tab; - id ----- - 1 -(1 row) - --- tablespace should not change even if there is an index rewrite -ALTER TABLE testschema.test_default_tab ALTER id TYPE int; -\d testschema.test_index1 - Index "testschema.test_index1" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -btree, for table "testschema.test_default_tab" - -\d testschema.test_index2 - Index "testschema.test_index2" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_index3 - Index "testschema.test_index3" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -primary key, btree, for table "testschema.test_default_tab" - -\d testschema.test_index4 - Index "testschema.test_index4" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -unique, btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -SELECT * FROM testschema.test_default_tab; - id ----- - 1 -(1 row) - --- now use the default tablespace for default_tablespace -SET default_tablespace TO ''; --- tablespace should not change if no rewrite -ALTER TABLE testschema.test_default_tab ALTER id TYPE int; -\d testschema.test_index1 - Index "testschema.test_index1" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -btree, for table "testschema.test_default_tab" - -\d testschema.test_index2 - Index "testschema.test_index2" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_index3 - Index "testschema.test_index3" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -primary key, btree, for table "testschema.test_default_tab" - -\d testschema.test_index4 - Index "testschema.test_index4" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -unique, btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - --- tablespace should not change even if there is an index rewrite -ALTER TABLE testschema.test_default_tab ALTER id TYPE bigint; -\d testschema.test_index1 - Index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" - -\d testschema.test_index2 - Index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_index3 - Index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab" - -\d testschema.test_index4 - Index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab" -Tablespace: "regress_tblspace" - -DROP TABLE testschema.test_default_tab; --- check that default_tablespace doesn't affect ALTER TABLE index rebuilds --- (this time with a partitioned table) -CREATE TABLE testschema.test_default_tab_p(id bigint, val bigint) - PARTITION BY LIST (id) TABLESPACE regress_tblspace; -CREATE TABLE testschema.test_default_tab_p1 PARTITION OF testschema.test_default_tab_p - FOR VALUES IN (1); -INSERT INTO testschema.test_default_tab_p VALUES (1); -CREATE INDEX test_index1 on testschema.test_default_tab_p (val); -CREATE INDEX test_index2 on testschema.test_default_tab_p (val) TABLESPACE regress_tblspace; -ALTER TABLE testschema.test_default_tab_p ADD CONSTRAINT test_index3 PRIMARY KEY (id); -ALTER TABLE testschema.test_default_tab_p ADD CONSTRAINT test_index4 UNIQUE (id) USING INDEX TABLESPACE regress_tblspace; -\d testschema.test_index1 -Partitioned index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index2 -Partitioned index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d testschema.test_index3 -Partitioned index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index4 -Partitioned index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - --- use a custom tablespace for default_tablespace -SET default_tablespace TO regress_tblspace; --- tablespace should not change if no rewrite -ALTER TABLE testschema.test_default_tab_p ALTER val TYPE bigint; -\d testschema.test_index1 -Partitioned index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index2 -Partitioned index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d testschema.test_index3 -Partitioned index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index4 -Partitioned index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -SELECT * FROM testschema.test_default_tab_p; - id | val -----+----- - 1 | -(1 row) - --- tablespace should not change even if there is an index rewrite -ALTER TABLE testschema.test_default_tab_p ALTER val TYPE int; -\d testschema.test_index1 -Partitioned index "testschema.test_index1" - Column | Type | Key? | Definition ---------+---------+------+------------ - val | integer | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index2 -Partitioned index "testschema.test_index2" - Column | Type | Key? | Definition ---------+---------+------+------------ - val | integer | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d testschema.test_index3 -Partitioned index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index4 -Partitioned index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -SELECT * FROM testschema.test_default_tab_p; - id | val -----+----- - 1 | -(1 row) - --- now use the default tablespace for default_tablespace -SET default_tablespace TO ''; --- tablespace should not change if no rewrite -ALTER TABLE testschema.test_default_tab_p ALTER val TYPE int; -\d testschema.test_index1 -Partitioned index "testschema.test_index1" - Column | Type | Key? | Definition ---------+---------+------+------------ - val | integer | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index2 -Partitioned index "testschema.test_index2" - Column | Type | Key? | Definition ---------+---------+------+------------ - val | integer | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d testschema.test_index3 -Partitioned index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index4 -Partitioned index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - --- tablespace should not change even if there is an index rewrite -ALTER TABLE testschema.test_default_tab_p ALTER val TYPE bigint; -\d testschema.test_index1 -Partitioned index "testschema.test_index1" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index2 -Partitioned index "testschema.test_index2" - Column | Type | Key? | Definition ---------+--------+------+------------ - val | bigint | yes | val -btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -\d testschema.test_index3 -Partitioned index "testschema.test_index3" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -primary key, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) - -\d testschema.test_index4 -Partitioned index "testschema.test_index4" - Column | Type | Key? | Definition ---------+--------+------+------------ - id | bigint | yes | id -unique, btree, for table "testschema.test_default_tab_p" -Number of partitions: 1 (Use \d+ to list them.) -Tablespace: "regress_tblspace" - -DROP TABLE testschema.test_default_tab_p; --- check that default_tablespace affects index additions in ALTER TABLE -CREATE TABLE testschema.test_tab(id int) TABLESPACE regress_tblspace; -INSERT INTO testschema.test_tab VALUES (1); -SET default_tablespace TO regress_tblspace; -ALTER TABLE testschema.test_tab ADD CONSTRAINT test_tab_unique UNIQUE (id); -SET default_tablespace TO ''; -ALTER TABLE testschema.test_tab ADD CONSTRAINT test_tab_pkey PRIMARY KEY (id); -\d testschema.test_tab_unique - Index "testschema.test_tab_unique" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -unique, btree, for table "testschema.test_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_tab_pkey - Index "testschema.test_tab_pkey" - Column | Type | Key? | Definition ---------+---------+------+------------ - id | integer | yes | id -primary key, btree, for table "testschema.test_tab" - -SELECT * FROM testschema.test_tab; - id ----- - 1 -(1 row) - -DROP TABLE testschema.test_tab; --- check that default_tablespace is handled correctly by multi-command --- ALTER TABLE that includes a tablespace-preserving rewrite -CREATE TABLE testschema.test_tab(a int, b int, c int); -SET default_tablespace TO regress_tblspace; -ALTER TABLE testschema.test_tab ADD CONSTRAINT test_tab_unique UNIQUE (a); -CREATE INDEX test_tab_a_idx ON testschema.test_tab (a); -SET default_tablespace TO ''; -CREATE INDEX test_tab_b_idx ON testschema.test_tab (b); -\d testschema.test_tab_unique - Index "testschema.test_tab_unique" - Column | Type | Key? | Definition ---------+---------+------+------------ - a | integer | yes | a -unique, btree, for table "testschema.test_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_tab_a_idx - Index "testschema.test_tab_a_idx" - Column | Type | Key? | Definition ---------+---------+------+------------ - a | integer | yes | a -btree, for table "testschema.test_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_tab_b_idx - Index "testschema.test_tab_b_idx" - Column | Type | Key? | Definition ---------+---------+------+------------ - b | integer | yes | b -btree, for table "testschema.test_tab" - -ALTER TABLE testschema.test_tab ALTER b TYPE bigint, ADD UNIQUE (c); -\d testschema.test_tab_unique - Index "testschema.test_tab_unique" - Column | Type | Key? | Definition ---------+---------+------+------------ - a | integer | yes | a -unique, btree, for table "testschema.test_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_tab_a_idx - Index "testschema.test_tab_a_idx" - Column | Type | Key? | Definition ---------+---------+------+------------ - a | integer | yes | a -btree, for table "testschema.test_tab" -Tablespace: "regress_tblspace" - -\d testschema.test_tab_b_idx - Index "testschema.test_tab_b_idx" - Column | Type | Key? | Definition ---------+--------+------+------------ - b | bigint | yes | b -btree, for table "testschema.test_tab" - -DROP TABLE testschema.test_tab; --- let's try moving a table from one place to another -CREATE TABLE testschema.atable AS VALUES (1), (2); -CREATE UNIQUE INDEX anindex ON testschema.atable(column1); -ALTER TABLE testschema.atable SET TABLESPACE regress_tblspace; -ALTER INDEX testschema.anindex SET TABLESPACE regress_tblspace; -ALTER INDEX testschema.part_a_idx SET TABLESPACE pg_global; -ERROR: only shared relations can be placed in pg_global tablespace -ALTER INDEX testschema.part_a_idx SET TABLESPACE pg_default; -ALTER INDEX testschema.part_a_idx SET TABLESPACE regress_tblspace; -INSERT INTO testschema.atable VALUES(3); -- ok -INSERT INTO testschema.atable VALUES(1); -- fail (checks index) -ERROR: duplicate key value violates unique constraint "anindex" -DETAIL: Key (column1)=(1) already exists. -SELECT COUNT(*) FROM testschema.atable; -- checks heap - count -------- - 3 -(1 row) - --- let's try moving a materialized view from one place to another -CREATE MATERIALIZED VIEW testschema.amv AS SELECT * FROM testschema.atable; -ALTER MATERIALIZED VIEW testschema.amv SET TABLESPACE regress_tblspace; -REFRESH MATERIALIZED VIEW testschema.amv; -SELECT COUNT(*) FROM testschema.amv; - count -------- - 3 -(1 row) - --- Will fail with bad path -CREATE TABLESPACE regress_badspace LOCATION '/no/such/location'; -ERROR: directory "/no/such/location" does not exist --- No such tablespace -CREATE TABLE bar (i int) TABLESPACE regress_nosuchspace; -ERROR: tablespace "regress_nosuchspace" does not exist --- Fail, in use for some partitioned object -DROP TABLESPACE regress_tblspace; -ERROR: tablespace "regress_tblspace" cannot be dropped because some objects depend on it -DETAIL: tablespace for index testschema.part_a_idx -ALTER INDEX testschema.part_a_idx SET TABLESPACE pg_default; --- Fail, not empty -DROP TABLESPACE regress_tblspace; -ERROR: tablespace "regress_tblspace" is not empty --- Adequate cache initialization before GRANT -\c - -BEGIN; -GRANT ALL ON TABLESPACE regress_tblspace TO PUBLIC; -ROLLBACK; -CREATE ROLE regress_tablespace_user1 login; -CREATE ROLE regress_tablespace_user2 login; -GRANT USAGE ON SCHEMA testschema TO regress_tablespace_user2; -ALTER TABLESPACE regress_tblspace OWNER TO regress_tablespace_user1; -CREATE TABLE testschema.tablespace_acl (c int); --- new owner lacks permission to create this index from scratch -CREATE INDEX k ON testschema.tablespace_acl (c) TABLESPACE regress_tblspace; -ALTER TABLE testschema.tablespace_acl OWNER TO regress_tablespace_user2; -SET SESSION ROLE regress_tablespace_user2; -CREATE TABLE tablespace_table (i int) TABLESPACE regress_tblspace; -- fail -ERROR: permission denied for tablespace regress_tblspace -ALTER TABLE testschema.tablespace_acl ALTER c TYPE bigint; -REINDEX (TABLESPACE regress_tblspace) TABLE tablespace_table; -- fail -ERROR: permission denied for tablespace regress_tblspace -REINDEX (TABLESPACE regress_tblspace, CONCURRENTLY) TABLE tablespace_table; -- fail -ERROR: permission denied for tablespace regress_tblspace -RESET ROLE; -ALTER TABLESPACE regress_tblspace RENAME TO regress_tblspace_renamed; -ALTER TABLE ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default; -ALTER INDEX ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default; -ALTER MATERIALIZED VIEW ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default; --- Should show notice that nothing was done -ALTER TABLE ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default; -NOTICE: no matching relations in tablespace "regress_tblspace_renamed" found -ALTER MATERIALIZED VIEW ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default; -NOTICE: no matching relations in tablespace "regress_tblspace_renamed" found --- Should succeed -DROP TABLESPACE regress_tblspace_renamed; -DROP SCHEMA testschema CASCADE; -NOTICE: drop cascades to 7 other objects -DETAIL: drop cascades to table testschema.foo -drop cascades to table testschema.asselect -drop cascades to table testschema.asexecute -drop cascades to table testschema.part -drop cascades to table testschema.atable -drop cascades to materialized view testschema.amv -drop cascades to table testschema.tablespace_acl -DROP ROLE regress_tablespace_user1; -DROP ROLE regress_tablespace_user2; +psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory + Is the server running locally and accepting connections on that socket? === EOF === [16:05:12.745](177.720s) not ok 2 - regression tests pass [16:05:12.745](0.000s) # Failed test 'regression tests pass' # at /tmp/cirrus-ci-build/src/test/recovery/t/027_stream_regress.pl line 95. [16:05:12.745](0.000s) # got: '256' # expected: '0' psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory Is the server running locally and accepting connections on that socket? connection error: 'psql: error: connection to server on socket "/tmp/yHV3hKoMwX/.s.PGSQL.23156" failed: No such file or directory Is the server running locally and accepting connections on that socket?' while running 'psql --no-psqlrc --no-align --tuples-only --quiet --dbname port=23156 host=/tmp/yHV3hKoMwX dbname='postgres' --file - --variable ON_ERROR_STOP=1' at /tmp/cirrus-ci-build/src/test/perl/PostgreSQL/Test/Cluster.pm line 2256. # No postmaster PID for node "primary" # Postmaster PID for node "standby_1" is 25587 ### Stopping node "standby_1" using mode immediate # Running: pg_ctl --pgdata /tmp/cirrus-ci-build/build/testrun/recovery/027_stream_regress/data/t_027_stream_regress_standby_1_data/pgdata --mode immediate stop waiting for server to shut down.... done server stopped # No postmaster PID for node "standby_1" [16:05:12.870](0.125s) # Tests were run but no plan was declared and done_testing() was not seen. [16:05:12.871](0.000s) # Looks like your test exited with 29 just after 2.