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Fix reference to null pointer when no aggregate function candidates 

are available. Problem reported by David Sauer <davids@iol.cz>.
Modify information in resulting error message to indicate both agg name
 and data type.
This commit is contained in:
Thomas G. Lockhart 1998-12-23 14:38:40 +00:00
parent 5afe8d3478
commit 18bdefa23f
1 changed files with 4 additions and 4 deletions
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8
src/backend/parser/parse_func.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.35 1998/12/15 12:46:14 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.36 1998/12/23 14:38:40 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -225,7 +225,7 @@ agg_select_candidate(Oid typeid, CandidateList candidates)
}
}
/* otherwise, don't bother keeping this one around... */
else
else if (last_candidate != NULL)
{
last_candidate->next = NULL;
}
@ -399,8 +399,8 @@ ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
}
else
{
elog(ERROR,"Unable to select an aggregate function for type '%s'",
typeidTypeName(basetype));
elog(ERROR,"Unable to select an aggregate function %s(%s)",
funcname, typeidTypeName(basetype));
}
}