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Remove a no-longer-needed kluge for degenerate aggregate cases,

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and update some comments.
This commit is contained in:
Tom Lane
1999-10-08 03:49:55 +00:00
parent c528c42ec2
commit 5ce158c534
2 changed files with 12 additions and 23 deletions
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5
src/backend/executor/execQual.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.62 1999/09/26 21:21:09 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.63 1999/10/08 03:49:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -209,6 +209,9 @@ ExecEvalArrayRef(ArrayRef *arrayRef,
static Datum
ExecEvalAggref(Aggref *aggref, ExprContext *econtext, bool *isNull)
{
if (econtext->ecxt_aggvalues == NULL) /* safety check */
elog(ERROR, "ExecEvalAggref: no aggregates in this expression context");
*isNull = econtext->ecxt_aggnulls[aggref->aggno];
return econtext->ecxt_aggvalues[aggref->aggno];
}