Fix wrong costing of Sort under Gather Merge.

[postgresql] / src / backend / optimizer / plan / planner.c

diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index cbdea1f537850a875d20d6f8a42170dc2734b456..68d74cb4324ca3e172fce96de92034c2ef2e2bf7 100644 (file)
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -4416,7 +4416,7 @@ create_ordered_paths(PlannerInfo *root,
                                                                                         ordered_rel,
                                                                                         cheapest_partial_path,
                                                                                         root->sort_pathkeys,
-                                                                                        limit_tuples);
+                                                                                        -1.0);
 
                        total_groups = cheapest_partial_path->rows *
                                cheapest_partial_path->parallel_workers;