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-rw-r--r--src/backend/optimizer/plan/planner.c2
-rw-r--r--src/test/regress/expected/select_distinct.out8
2 files changed, 5 insertions, 5 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index 342f5ad8d0a..acc324122fd 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -4819,7 +4819,7 @@ create_partial_distinct_paths(PlannerInfo *root, RelOptInfo *input_rel,
if (partial_distinct_rel->partial_pathlist != NIL)
{
- generate_gather_paths(root, partial_distinct_rel, true);
+ generate_useful_gather_paths(root, partial_distinct_rel, true);
set_cheapest(partial_distinct_rel);
/*
diff --git a/src/test/regress/expected/select_distinct.out b/src/test/regress/expected/select_distinct.out
index 1f72756ccb4..82b8e54f5f1 100644
--- a/src/test/regress/expected/select_distinct.out
+++ b/src/test/regress/expected/select_distinct.out
@@ -235,10 +235,10 @@ SELECT DISTINCT four FROM tenk1;
QUERY PLAN
----------------------------------------------------
Unique
- -> Sort
- Sort Key: four
- -> Gather
- Workers Planned: 2
+ -> Gather Merge
+ Workers Planned: 2
+ -> Sort
+ Sort Key: four
-> HashAggregate
Group Key: four
-> Parallel Seq Scan on tenk1