diff options
Diffstat (limited to 'src/backend/optimizer/plan/subselect.c')
| -rw-r--r-- | src/backend/optimizer/plan/subselect.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/optimizer/plan/subselect.c b/src/backend/optimizer/plan/subselect.c index 575303b294a..4bdca59df64 100644 --- a/src/backend/optimizer/plan/subselect.c +++ b/src/backend/optimizer/plan/subselect.c @@ -1517,9 +1517,10 @@ convert_EXISTS_sublink_to_join(PlannerInfo *root, SubLink *sublink, return NULL; /* - * Scan the rangetable for relations with virtual generated columns, and - * replace all Var nodes in the subquery that reference these columns with - * the generation expressions. + * Scan the rangetable for relation RTEs and retrieve the necessary + * catalog information for each relation. Using this information, clear + * the inh flag for any relation that has no children, and expand virtual + * generated columns for any relation that contains them. * * Note: we construct up an entirely dummy PlannerInfo for use here. This * is fine because only the "glob" and "parse" links will be used in this @@ -1534,7 +1535,7 @@ convert_EXISTS_sublink_to_join(PlannerInfo *root, SubLink *sublink, subroot.glob = root->glob; subroot.parse = subselect; subselect->jointree->quals = whereClause; - subselect = expand_virtual_generated_columns(&subroot); + subselect = preprocess_relation_rtes(&subroot); /* * Now separate out the WHERE clause again. |