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Diffstat (limited to 'src/backend/optimizer/prep/prepunion.c')
-rw-r--r--src/backend/optimizer/prep/prepunion.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/optimizer/prep/prepunion.c b/src/backend/optimizer/prep/prepunion.c
index f5197779684..55665824179 100644
--- a/src/backend/optimizer/prep/prepunion.c
+++ b/src/backend/optimizer/prep/prepunion.c
@@ -232,6 +232,7 @@ recurse_set_operations(Node *setOp, PlannerInfo *root,
PlannerInfo *subroot;
List *tlist;
bool trivial_tlist;
+ char *plan_name;
Assert(subquery != NULL);
@@ -246,7 +247,9 @@ recurse_set_operations(Node *setOp, PlannerInfo *root,
* parentOp, pass that down to encourage subquery_planner to consider
* suitably-sorted Paths.
*/
- subroot = rel->subroot = subquery_planner(root->glob, subquery, root,
+ plan_name = choose_plan_name(root->glob, "setop", true);
+ subroot = rel->subroot = subquery_planner(root->glob, subquery,
+ plan_name, root,
false, root->tuple_fraction,
parentOp);