diff options
Diffstat (limited to 'src/backend/optimizer/util/var.c')
-rw-r--r-- | src/backend/optimizer/util/var.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/src/backend/optimizer/util/var.c b/src/backend/optimizer/util/var.c index 6d11d187a0c..ebc6ce84b0b 100644 --- a/src/backend/optimizer/util/var.c +++ b/src/backend/optimizer/util/var.c @@ -586,7 +586,7 @@ locate_var_of_level_walker(Node *node, * Vars within a PHV's expression are included in the result only * when PVC_RECURSE_PLACEHOLDERS is specified. * - * GroupingFuncs are treated mostly like Aggrefs, and so do not need + * GroupingFuncs are treated exactly like Aggrefs, and so do not need * their own flag bits. * * CurrentOfExpr nodes are ignored in all cases. @@ -661,13 +661,7 @@ pull_var_clause_walker(Node *node, pull_var_clause_context *context) } else if (context->flags & PVC_RECURSE_AGGREGATES) { - /* - * We do NOT descend into the contained expression, even if the - * caller asked for it, because we never actually evaluate it - - * the result is driven entirely off the associated GROUP BY - * clause, so we never need to extract the actual Vars here. - */ - return false; + /* fall through to recurse into the GroupingFunc's arguments */ } else elog(ERROR, "GROUPING found where not expected"); |