Fix poor choice of error message in corner cases.

diff --git a/src/backend/parser/parse_func.c b/src/backend/parser/parse_func.c
index deab6c2..64da3bb 100644 (file)
--- a/src/backend/parser/parse_func.c
+++ b/src/backend/parser/parse_func.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.167 2004/04/02 19:06:58 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.168 2004/04/02 21:30:44 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1221,7 +1221,8 @@ unknown_attribute(ParseState *pstate, Node *relref, char *attname)
 {
        RangeTblEntry *rte;
 
-       if (IsA(relref, Var))
+       if (IsA(relref, Var) &&
+               ((Var *) relref)->varattno == InvalidAttrNumber)
        {
                /* Reference the RTE by alias not by actual table name */
                rte = GetRTEByRangeTablePosn(pstate,