diff options
Diffstat (limited to 'src/backend/optimizer/plan/subselect.c')
| -rw-r--r-- | src/backend/optimizer/plan/subselect.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c index 47e14723d2b..b9e0c960bd3 100644 --- a/src/backend/optimizer/plan/subselect.c +++ b/src/backend/optimizer/plan/subselect.c @@ -1855,7 +1855,8 @@ convert_EXISTS_to_ANY(PlannerInfo *root, Query *subselect, /* * Replace correlation vars (uplevel vars) with Params. * - * Uplevel PlaceHolderVars and aggregates are replaced, too. + * Uplevel PlaceHolderVars, aggregates, GROUPING() expressions, and + * MergeSupportFuncs are replaced, too. * * Note: it is critical that this runs immediately after SS_process_sublinks. * Since we do not recurse into the arguments of uplevel PHVs and aggregates, @@ -1909,6 +1910,12 @@ replace_correlation_vars_mutator(Node *node, PlannerInfo *root) if (((GroupingFunc *) node)->agglevelsup > 0) return (Node *) replace_outer_grouping(root, (GroupingFunc *) node); } + if (IsA(node, MergeSupportFunc)) + { + if (root->parse->commandType != CMD_MERGE) + return (Node *) replace_outer_merge_support(root, + (MergeSupportFunc *) node); + } return expression_tree_mutator(node, replace_correlation_vars_mutator, (void *) root); |