Fix for SELECT NULL.

diff --git a/src/backend/executor/execTuples.c b/src/backend/executor/execTuples.c
index d60c7c4b175db8cbf464943e7e189032963a4def..9fe975786639d0e3300312d5fb7470ddb6361bee 100644 (file)
--- a/src/backend/executor/execTuples.c
+++ b/src/backend/executor/execTuples.c
@@ -14,7 +14,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/executor/execTuples.c,v 1.3 1996/11/08 05:56:01 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/executor/execTuples.c,v 1.4 1996/12/07 04:37:06 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -129,6 +129,7 @@
 #include "utils/lsyscache.h"
 #include "storage/bufmgr.h"
 #include "parser/catalog_utils.h"
+#include "catalog/pg_type.h"
 
 /* ----------------------------------------------------------------
  *               tuple table create/delete functions
@@ -938,7 +939,7 @@ ExecTypeFromTL(List *targetList)
            TupleDescInitEntry(typeInfo,
                               resdom->resno,
                               resdom->resname,
-                              get_id_typname(restype),
+                              get_id_typname(restype?restype:UNKNOWNOID),
                               0,
                               false);