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A subplan invoked within an aggregate function's argument should

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be allowed to receive ungrouped variables of the current query level.
Curious that no one reported this bug before...
This commit is contained in:
Tom Lane
2001-03-08 01:49:01 +00:00
parent 572fda2711
commit d73e9df087
1 changed files with 9 additions and 1 deletions
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10
src/backend/optimizer/util/clauses.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.81 2001/02/12 18:46:40 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.82 2001/03/08 01:49:01 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -542,6 +542,14 @@ check_subplans_for_ungrouped_vars_walker(Node *node,
if (node == NULL)
return false;
/*
* If we find an aggregate function, do not recurse into its
* arguments. Subplans invoked within aggregate calls are allowed
* to receive ungrouped variables.
*/
if (IsA(node, Aggref))
return false;
/*
* We can ignore Vars other than in subplan args lists, since the
* parser already checked 'em.