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checkretval() failed to cope with an empty SQL function body.

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This commit is contained in:
Tom Lane
2000-12-07 19:40:56 +00:00
parent 821f4673ff
commit cbc5f4f127
1 changed files with 10 additions and 1 deletions
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11
src/backend/catalog/pg_proc.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.51 2000/11/20 20:36:47 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.52 2000/12/07 19:40:56 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -339,6 +339,15 @@ checkretval(Oid rettype, List *queryTreeList)
int relnatts; int relnatts;
int i; int i;
/* guard against empty function body; OK only if no return type */
if (queryTreeList == NIL)
{
if (rettype != InvalidOid)
elog(ERROR, "function declared to return %s, but no SELECT provided",
typeidTypeName(rettype));
return;
}
/* find the final query */ /* find the final query */
parse = (Query *) nth(length(queryTreeList) - 1, queryTreeList); parse = (Query *) nth(length(queryTreeList) - 1, queryTreeList);