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-rw-r--r--src/backend/optimizer/plan/subselect.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c
index 92e33385842..abd407825b5 100644
--- a/src/backend/optimizer/plan/subselect.c
+++ b/src/backend/optimizer/plan/subselect.c
@@ -1496,8 +1496,12 @@ convert_EXISTS_sublink_to_join(PlannerInfo *root, SubLink *sublink,
if (!bms_is_subset(upper_varnos, available_rels))
return NULL;
- /* Now we can attach the modified subquery rtable to the parent */
- parse->rtable = list_concat(parse->rtable, subselect->rtable);
+ /*
+ * Now we can attach the modified subquery rtable to the parent. This also
+ * adds subquery's RTEPermissionInfos into the upper query.
+ */
+ CombineRangeTables(&parse->rtable, &parse->rteperminfos,
+ subselect->rtable, subselect->rteperminfos);
/*
* And finally, build the JoinExpr node.