diff -U3 /home/postgres/postgres/src/test/regress/expected/partition_prune.out /home/postgres/postgres/build/testrun/recovery/027_stream_regress/data/results/partition_prune.out
--- /home/postgres/postgres/src/test/regress/expected/partition_prune.out	2025-12-03 19:56:25.796607210 +0000
+++ /home/postgres/postgres/build/testrun/recovery/027_stream_regress/data/results/partition_prune.out	2025-12-03 20:00:18.441510457 +0000
@@ -4774,6 +4774,7 @@
 rollback;
 -- A case with nested MergeAppend with its own PartitionPruneInfo.
 create index on part_abc (a);
+ERROR:  failed to find parent tuple for heap-only tuple at (0,2) in table "part_abc_2"
 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);
@@ -4783,44 +4784,36 @@
 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                                          
-----------------------------------------------------------------------------------------------
+                                         QUERY PLAN                                          
+---------------------------------------------------------------------------------------------
  Append
    ->  Subquery Scan on unnamed_subquery_2
          ->  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())
+               ->  Sort
+                     Sort Key: part_abc.a
+                     ->  Append
+                           Subplans Removed: 2
+                           ->  Seq Scan on part_abc_2 part_abc_1
+                                 Filter: ((d <= stable_one()) AND (a >= (stable_one() + 1)))
+                           ->  Seq Scan on part_abc_3_1 part_abc_2
+                                 Filter: ((d <= stable_one()) AND (a >= (stable_one() + 1)))
+                           ->  Seq Scan on part_abc_3_2 part_abc_3
+                                 Filter: ((d <= stable_one()) AND (a >= (stable_one() + 1)))
    ->  Subquery Scan on unnamed_subquery_1
          ->  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)
+               Window: w1 AS (PARTITION BY part_abc_4.a ORDER BY part_abc_4.a)
+               ->  Sort
+                     Sort Key: part_abc_4.a
+                     ->  Append
+                           Subplans Removed: 2
+                           ->  Seq Scan on part_abc_2 part_abc_5
+                                 Filter: ((d >= stable_one()) AND (a >= (stable_one() + 1)))
+                           ->  Seq Scan on part_abc_3_2 part_abc_6
+                                 Filter: ((d >= stable_one()) AND (a >= (stable_one() + 1)))
+                           ->  Seq Scan on part_abc_3_3 part_abc_7
+                                 Filter: ((d >= stable_one()) AND (a >= (stable_one() + 1)))
+(27 rows)
 
 drop view part_abc_view;
 drop table part_abc;