Allow NOTIFY/LISTEN/UNLISTEN to only take relation names, not

schema.relation, because the notify code only honors the relation name.
schema.relation will now generate a syntax error.

src/backend/parser/gram.y

@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.585 2007/04/02 03:49:38 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.586 2007/04/02 22:20:53 momjian Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -4834,27 +4834,33 @@ DropRuleStmt:
  *
  *****************************************************************************/
 
-NotifyStmt: NOTIFY qualified_name
+NotifyStmt: NOTIFY ColId
 				{
 					NotifyStmt *n = makeNode(NotifyStmt);
-					n->relation = $2;
+					n->relation = makeNode(RangeVar);
+					n->relation->relname = $2;
+					n->relation->schemaname = NULL;
 					$$ = (Node *)n;
 				}
 		;
 
-ListenStmt: LISTEN qualified_name
+ListenStmt: LISTEN ColId
 				{
 					ListenStmt *n = makeNode(ListenStmt);
-					n->relation = $2;
+					n->relation = makeNode(RangeVar);
+					n->relation->relname = $2;
+					n->relation->schemaname = NULL;
 					$$ = (Node *)n;
 				}
 		;
 
 UnlistenStmt:
-			UNLISTEN qualified_name
+			UNLISTEN ColId
 				{
 					UnlistenStmt *n = makeNode(UnlistenStmt);
-					n->relation = $2;
+					n->relation = makeNode(RangeVar);
+					n->relation->relname = $2;
+					n->relation->schemaname = NULL;
 					$$ = (Node *)n;
 				}
 			| UNLISTEN '*'