diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/mxact.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/mxact.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/mxact.out	2024-03-19 15:41:20.193827000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/mxact.out	2024-03-19 15:59:40.447078000 +0000
@@ -1,18 +1,21 @@
 Parsed test spec with 3 sessions
 
 starting permutation: s0init s0start s1begin s1sharepgclass s2begin s2sharepgclass s0w s0start s2commit s1commit
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
 init    
 (1 row)
 
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data
 ----
 (0 rows)
 
 step s1begin: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1sharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s;
 ?column?
 --------
@@ -20,6 +23,7 @@
 (1 row)
 
 step s2begin: BEGIN;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2sharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s;
 ?column?
 --------
@@ -27,6 +31,7 @@
 (1 row)
 
 step s0w: INSERT INTO do_write DEFAULT VALUES;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                        
 --------------------------------------------
@@ -44,18 +49,21 @@
 
 
 starting permutation: s0init s0start s1begin s1keysharepgclass s2begin s2keysharepgclass s0alter s0w s0start s2commit s1commit
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
 init    
 (1 row)
 
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data
 ----
 (0 rows)
 
 step s1begin: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1keysharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s;
 ?column?
 --------
@@ -63,6 +71,7 @@
 (1 row)
 
 step s2begin: BEGIN;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2keysharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s;
 ?column?
 --------
@@ -71,6 +80,7 @@
 
 step s0alter: ALTER TABLE do_write ADD column ts timestamptz;
 step s0w: INSERT INTO do_write DEFAULT VALUES;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                                                          
 ------------------------------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/delayed_startup.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/delayed_startup.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/delayed_startup.out	2024-03-19 15:41:20.193808000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/delayed_startup.out	2024-03-19 15:59:40.552548000 +0000
@@ -3,6 +3,7 @@
 starting permutation: s1b s1w s2init s1c s2start s1b s1w s1c s2start s1b s1w s2start s1c s2start
 step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
 step s1w: INSERT INTO do_write DEFAULT VALUES;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); <waiting ...>
 step s1c: COMMIT;
 step s2init: <... completed>
@@ -11,6 +12,7 @@
 init    
 (1 row)
 
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data
 ----
@@ -19,6 +21,7 @@
 step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
 step s1w: INSERT INTO do_write DEFAULT VALUES;
 step s1c: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                        
 --------------------------------------------
@@ -29,12 +32,14 @@
 
 step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
 step s1w: INSERT INTO do_write DEFAULT VALUES;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data
 ----
 (0 rows)
 
 step s1c: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                        
 --------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/ondisk_startup.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/ondisk_startup.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/ondisk_startup.out	2024-03-19 15:41:20.193845000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/ondisk_startup.out	2024-03-19 15:59:40.985030000 +0000
@@ -8,6 +8,7 @@
 f       
 (1 row)
 
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); <waiting ...>
 step s3b: BEGIN;
 step s3txid: SELECT pg_current_xact_id() IS NULL;
@@ -35,6 +36,7 @@
 step s2c: COMMIT;
 step s1insert: INSERT INTO do_write DEFAULT VALUES;
 step s1checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                                                
 --------------------------------------------------------------------
@@ -46,6 +48,7 @@
 step s1insert: INSERT INTO do_write DEFAULT VALUES;
 step s1alter: ALTER TABLE do_write ADD COLUMN addedbys1 int;
 step s1insert: INSERT INTO do_write DEFAULT VALUES;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
 data                                                                                        
 --------------------------------------------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/catalog_change_snapshot.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/catalog_change_snapshot.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/catalog_change_snapshot.out	2024-03-19 15:41:20.193682000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/catalog_change_snapshot.out	2024-03-19 15:59:41.041724000 +0000
@@ -1,6 +1,7 @@
 Parsed test spec with 3 sessions
 
 starting permutation: s0_init s0_begin s0_savepoint s0_truncate s1_checkpoint s1_get_changes s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s0_commit s1_get_changes
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -11,6 +12,7 @@
 step s0_savepoint: SAVEPOINT sp1;
 step s0_truncate: TRUNCATE tbl1;
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data
 ----
@@ -20,6 +22,7 @@
 step s0_begin: BEGIN;
 step s0_insert: INSERT INTO tbl1 VALUES (1);
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                   
 ---------------------------------------
@@ -29,6 +32,7 @@
 (3 rows)
 
 step s0_commit: COMMIT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                                         
 -------------------------------------------------------------
@@ -44,6 +48,7 @@
 
 
 starting permutation: s0_init s0_begin s0_truncate s2_begin s2_truncate s1_checkpoint s1_get_changes s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s2_commit s1_checkpoint s1_get_changes s0_commit s1_get_changes
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -55,6 +60,7 @@
 step s2_begin: BEGIN;
 step s2_truncate: TRUNCATE tbl2;
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data
 ----
@@ -64,6 +70,7 @@
 step s0_begin: BEGIN;
 step s0_insert: INSERT INTO tbl1 VALUES (1);
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                   
 ---------------------------------------
@@ -74,6 +81,7 @@
 
 step s2_commit: COMMIT;
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                   
 ---------------------------------------
@@ -83,6 +91,7 @@
 (3 rows)
 
 step s0_commit: COMMIT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                                         
 -------------------------------------------------------------
@@ -98,6 +107,7 @@
 
 
 starting permutation: s0_init s0_begin s0_savepoint s0_insert s1_checkpoint s1_get_changes s0_insert2 s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s0_commit s1_get_changes
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -108,6 +118,7 @@
 step s0_savepoint: SAVEPOINT sp1;
 step s0_insert: INSERT INTO tbl1 VALUES (1);
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data
 ----
@@ -118,6 +129,7 @@
 step s0_begin: BEGIN;
 step s0_insert: INSERT INTO tbl1 VALUES (1);
 step s1_checkpoint: CHECKPOINT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                                         
 -------------------------------------------------------------
@@ -128,6 +140,7 @@
 (4 rows)
 
 step s0_commit: COMMIT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
 data                                                         
 -------------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/concurrent_ddl_dml.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/concurrent_ddl_dml.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/concurrent_ddl_dml.out	2024-03-19 15:41:20.193702000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/concurrent_ddl_dml.out	2024-03-19 15:59:41.491772000 +0000
@@ -1,6 +1,7 @@
 Parsed test spec with 2 sessions
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_float s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -12,6 +13,7 @@
 step s2_alter_tbl2_float: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE float;
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                               
 -------------------------------------------------------------------
@@ -28,6 +30,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl1_float s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -40,6 +43,7 @@
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
 step s2_alter_tbl1_float: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -56,6 +60,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_char s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -67,6 +72,7 @@
 step s2_alter_tbl2_char: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE character varying;
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                  
 ----------------------------------------------------------------------
@@ -83,6 +89,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl1_char s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -95,6 +102,7 @@
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
 step s2_alter_tbl1_char: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -111,6 +119,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s2_alter_tbl1_float s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -123,6 +132,7 @@
 step s2_alter_tbl1_float: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE float; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl1_float: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -139,6 +149,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -151,6 +162,7 @@
 step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl1_char: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -167,6 +179,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_float s1_insert_tbl2 s2_alter_tbl1_float s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -180,6 +193,7 @@
 step s2_alter_tbl1_float: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE float; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl1_float: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                               
 -------------------------------------------------------------------
@@ -196,6 +210,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_char s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -209,6 +224,7 @@
 step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl1_char: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                  
 ----------------------------------------------------------------------
@@ -225,6 +241,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_char s1_begin s1_insert_tbl1 s2_alter_tbl2_text s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -237,6 +254,7 @@
 step s2_alter_tbl2_text: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE text;
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -253,6 +271,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_char s1_begin s1_insert_tbl1 s2_alter_tbl2_text s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -267,6 +286,7 @@
 step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl1_char: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -283,6 +303,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_boolean s1_insert_tbl2 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -295,6 +316,7 @@
 ERROR:  column "val2" cannot be cast automatically to type boolean
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -311,6 +333,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_boolean s1_insert_tbl2 s2_alter_tbl1_boolean s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -326,6 +349,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl1_boolean: <... completed>
 ERROR:  column "val2" cannot be cast automatically to type boolean
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
@@ -342,6 +366,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_int s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -353,6 +378,7 @@
 step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                      
 --------------------------------------------------------------------------
@@ -369,6 +395,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_int s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -383,6 +410,7 @@
 step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                      
 --------------------------------------------------------------------------
@@ -402,6 +430,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_float s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -413,6 +442,7 @@
 step s2_alter_tbl2_add_float: ALTER TABLE tbl2 ADD COLUMN val3 FLOAT;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                               
 -----------------------------------------------------------------------------------
@@ -429,6 +459,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_float s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -443,6 +474,7 @@
 step s2_alter_tbl2_add_float: ALTER TABLE tbl2 ADD COLUMN val3 FLOAT;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                               
 -----------------------------------------------------------------------------------
@@ -462,6 +494,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_char s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -473,6 +506,7 @@
 step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                                  
 --------------------------------------------------------------------------------------
@@ -489,6 +523,7 @@
 
 
 starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_char s1_insert_tbl2_3col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -503,6 +538,7 @@
 step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                                  
 --------------------------------------------------------------------------------------
@@ -522,6 +558,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -534,6 +571,7 @@
 step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl2_drop_3rd_col: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                      
 --------------------------------------------------------------------------
@@ -549,6 +587,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s1_commit s1_insert_tbl2 s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -563,6 +602,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl2_drop_3rd_col: <... completed>
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                         
 -----------------------------------------------------------------------------
@@ -582,6 +622,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_commit s2_get_changes s2_alter_tbl2_add_text s1_begin s1_insert_tbl2_3col s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s2_get_changes s2_alter_tbl2_3rd_int s1_insert_tbl2_3col s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -594,6 +635,7 @@
 step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3; <waiting ...>
 step s1_commit: COMMIT;
 step s2_alter_tbl2_drop_3rd_col: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                      
 --------------------------------------------------------------------------
@@ -609,6 +651,7 @@
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
 step s1_commit: COMMIT;
 step s2_alter_tbl2_3rd_char: <... completed>
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                     
 -------------------------------------------------------------------------
@@ -620,6 +663,7 @@
 
 step s2_alter_tbl2_3rd_int: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE int USING val3::integer;
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                      
 --------------------------------------------------------------------------
@@ -635,6 +679,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s1_insert_tbl2_3col s2_alter_tbl2_3rd_text s1_insert_tbl2_3col s1_commit s1_insert_tbl2_3col s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -650,6 +695,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl2_3rd_text: <... completed>
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                                  
 --------------------------------------------------------------------------------------
@@ -670,6 +716,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_text s1_begin s1_insert_tbl1 s1_insert_tbl2_3col s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s1_insert_tbl2_3col s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -685,6 +732,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl2_3rd_char: <... completed>
 step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                                  
 --------------------------------------------------------------------------------------
@@ -705,6 +753,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s2_alter_tbl2_3rd_text s1_insert_tbl2_3col s1_commit s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -719,6 +768,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                     
 -------------------------------------------------------------------------
@@ -738,6 +788,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_text s1_begin s1_insert_tbl1 s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -752,6 +803,7 @@
 step s1_commit: COMMIT;
 step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
 step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                                  
 --------------------------------------------------------------------------------------
@@ -771,6 +823,7 @@
 
 
 starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s2_alter_tbl2_drop_3rd_col s1_insert_tbl1 s1_commit s2_get_changes
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
 ?column?
 --------
@@ -783,6 +836,7 @@
 step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
 step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                      
 ----------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/oldest_xmin.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/oldest_xmin.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/oldest_xmin.out	2024-03-19 15:41:20.193836000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/oldest_xmin.out	2024-03-19 15:59:41.523144000 +0000
@@ -13,11 +13,13 @@
 step s0_alter: ALTER TYPE basket DROP ATTRIBUTE mangos;
 step s0_commit: COMMIT;
 step s0_checkpoint: CHECKPOINT;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data
 ----
 (0 rows)
 
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data
 ----
@@ -25,6 +27,7 @@
 
 step s1_commit: COMMIT;
 step s0_vacuum: VACUUM pg_attribute;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                  
 ------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/snapshot_transfer.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/snapshot_transfer.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/snapshot_transfer.out	2024-03-19 15:41:20.193952000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/snapshot_transfer.out	2024-03-19 15:59:41.552757000 +0000
@@ -14,6 +14,7 @@
 step s0_insert: INSERT INTO harvest VALUES (1, 2, 3);
 step s0_end_sub0: RELEASE SAVEPOINT s0;
 step s0_commit: COMMIT;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                              
 ----------------------------------------------------------------------------------
@@ -45,6 +46,7 @@
 step s0_end_sub1: RELEASE SAVEPOINT s1;
 step s0_end_sub0: RELEASE SAVEPOINT s0;
 step s0_commit: COMMIT;
+s0: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                                                              
 ----------------------------------------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/subxact_without_top.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/subxact_without_top.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/subxact_without_top.out	2024-03-19 15:41:20.193982000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/subxact_without_top.out	2024-03-19 15:59:41.589599000 +0000
@@ -22,18 +22,21 @@
 
 step s0_commit: COMMIT;
 step s2_checkpoint: CHECKPOINT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes_suppress_output: SELECT null n FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') GROUP BY n;
 n
 -
  
 (1 row)
 
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes_suppress_output: SELECT null n FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') GROUP BY n;
 n
 -
 (0 rows)
 
 step s1_commit: COMMIT;
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
 data                                            
 ------------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/concurrent_stream.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/concurrent_stream.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/concurrent_stream.out	2024-03-19 15:41:20.193710000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/concurrent_stream.out	2024-03-19 15:59:41.716068000 +0000
@@ -5,9 +5,12 @@
 step s0_ddl: CREATE TABLE stream_test1(data bytea);
 step s1_ddl: CREATE TABLE stream_test(data bytea);
 step s1_begin: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_toast_insert: INSERT INTO stream_test SELECT large_val();
 step s2_ddl: CREATE TABLE stream_test2(data bytea);
 step s1_commit: COMMIT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_get_stream_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
 data                                    
 ----------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/twophase_snapshot.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/twophase_snapshot.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/twophase_snapshot.out	2024-03-19 15:41:20.194042000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/twophase_snapshot.out	2024-03-19 15:59:42.031157000 +0000
@@ -8,6 +8,7 @@
 f       
 (1 row)
 
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding', false, true); <waiting ...>
 step s3b: BEGIN;
 step s3txid: SELECT pg_current_xact_id() IS NULL;
@@ -28,6 +29,7 @@
 (1 row)
 
 step s1insert: INSERT INTO do_write DEFAULT VALUES;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1start: SELECT data  FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'skip-empty-xacts', '1');
 data                                        
 --------------------------------------------
@@ -37,6 +39,7 @@
 (3 rows)
 
 step s2cp: COMMIT PREPARED 'test1';
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1start: SELECT data  FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'skip-empty-xacts', '1');
 data                                        
 --------------------------------------------
diff -U3 /tmp/cirrus-ci-build/contrib/test_decoding/expected/slot_creation_error.out /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/slot_creation_error.out
--- /tmp/cirrus-ci-build/contrib/test_decoding/expected/slot_creation_error.out	2024-03-19 15:41:20.193928000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_decoding/isolation/results/slot_creation_error.out	2024-03-19 15:59:42.248025000 +0000
@@ -2,15 +2,18 @@
 
 starting permutation: s1_b s1_xid s2_init s1_view_slot s1_cancel_s2 s1_view_slot s1_c
 step s1_b: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_xid: SELECT 'xid' FROM txid_current();
 ?column?
 --------
 xid     
 (1 row)
 
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_init: 
     SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
  <waiting ...>
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_view_slot: 
     SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
 
@@ -19,6 +22,7 @@
 slot_creation_error|logical  |t     
 (1 row)
 
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_cancel_s2: 
     SELECT pg_cancel_backend(pid)
     FROM pg_stat_activity
@@ -32,6 +36,7 @@
 t                
 (1 row)
 
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_view_slot: 
     SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
 
@@ -43,12 +48,14 @@
 
 starting permutation: s1_b s1_xid s2_init s1_c s1_view_slot s1_drop_slot
 step s1_b: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_xid: SELECT 'xid' FROM txid_current();
 ?column?
 --------
 xid     
 (1 row)
 
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_init: 
     SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
  <waiting ...>
@@ -59,6 +66,7 @@
 init    
 (1 row)
 
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_view_slot: 
     SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
 
@@ -78,15 +86,18 @@
 
 starting permutation: s1_b s1_xid s2_init s1_terminate_s2 s1_c s1_view_slot
 step s1_b: BEGIN;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_xid: SELECT 'xid' FROM txid_current();
 ?column?
 --------
 xid     
 (1 row)
 
+s2: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s2_init: 
     SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
  <waiting ...>
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_terminate_s2: 
     SELECT pg_terminate_backend(pid)
     FROM pg_stat_activity
@@ -105,6 +116,7 @@
 (1 row)
 
 step s1_c: COMMIT;
+s1: WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 step s1_view_slot: 
     SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'