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Use variable aliases, if supplied, rather than real column names in

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complaints about ungrouped variables.  This is for consistency with
behavior elsewhere, notably the fact that the relname is reported as
an alias in these same complaints.  Also, it'll work with subselect-
in-FROM where old code didn't.
This commit is contained in:
Tom Lane
2000-09-25 18:14:55 +00:00
parent 164caa3951
commit 8bdc2bf030
6 changed files with 62 additions and 58 deletions
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9
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 1.74 2000/09/12 21:06:58 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.75 2000/09/25 18:14:55 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -584,12 +584,9 @@ check_subplans_for_ungrouped_vars_walker(Node *node,
char *attname;
Assert(var->varno > 0 &&
var->varno <= length(context->rtable));
(int) var->varno <= length(context->rtable));
rte = rt_fetch(var->varno, context->rtable);
attname = get_attname(rte->relid, var->varattno);
if (!attname)
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
var->varattno, rte->relid);
attname = get_rte_attribute_name(rte, var->varattno);
elog(ERROR, "Sub-SELECT uses un-GROUPed attribute %s.%s from outer query",
rte->eref->relname, attname);
}