Print error on SELECT tab FROM tab:

   You can't use relation names alone in the target list, try relation.*

doc/TODO

 TODO list for PostgreSQL
 ========================
-Last updated:		Mon May 21 14:36:45 EDT 2001
+Last updated:		Mon May 21 14:40:08 EDT 2001
 
 Current maintainer:	Bruce Momjian (pgman@candle.pha.pa.us)
 

src/backend/parser/parse_expr.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.95 2001/05/19 00:33:20 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.96 2001/05/21 18:42:08 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -585,7 +585,10 @@ transformIdent(ParseState *pstate, Ident *ident, int precedence)
 		Node	   *var = colnameToVar(pstate, ident->name);
 
 		if (var != NULL)
+		{
+			ident->isRel = FALSE;
 			result = transformIndirection(pstate, var, ident->indirection);
+		}
 	}
 
 	if (result == NULL)

src/backend/parser/parse_target.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.66 2001/03/22 03:59:41 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.67 2001/05/21 18:42:08 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -55,6 +55,9 @@ transformTargetEntry(ParseState *pstate,
 	if (expr == NULL)
 		expr = transformExpr(pstate, node, EXPR_COLUMN_FIRST);
 
+	if (IsA(expr, Ident) && ((Ident *)expr)->isRel)
+		elog(ERROR,"You can't use relation names alone in the target list, try relation.*.");	
+
 	type_id = exprType(expr);
 	type_mod = exprTypmod(expr);
 

src/include/nodes/parsenodes.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parsenodes.h,v 1.128 2001/05/20 20:28:20 tgl Exp $
+ * $Id: parsenodes.h,v 1.129 2001/05/21 18:42:08 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1081,8 +1081,7 @@ typedef struct Ident
 	NodeTag		type;
 	char	   *name;			/* its name */
 	List	   *indirection;	/* array references */
-	bool		isRel;			/* is a relation - filled in by
-								 * transformExpr() */
+	bool		isRel;			/* is this a relation or a column? */
 } Ident;
 
 /*