        );
 Index: skeleton/rdbms/criterion/SimpleExpression.class.php
 ===================================================================
---- skeleton/rdbms/criterion/SimpleExpression.class.php	(revision 9225)
+--- skeleton/rdbms/criterion/SimpleExpression.class.php	(revision 9251)
 +++ skeleton/rdbms/criterion/SimpleExpression.class.php	(working copy)
 @@ -80,7 +80,7 @@
        }

+     *
+     * @return  rdbms.DataSet
+     */    
+    public function newObject($record) {
+      return new $this->identifier();
+    }
     

     }
Index: ports/classes/net/xp_framework/unittest/rdbms/DataSetTest.class.php
===================================================================
--- ports/classes/net/xp_framework/unittest/rdbms/DataSetTest.class.php	(revision 9251)
+++ ports/classes/net/xp_framework/unittest/rdbms/DataSetTest.class.php	(working copy)
@@ -80,8 +80,8 @@
         $peer->primary
