? dbtng.patch
Index: modules/node_reference/node_reference.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/cck/modules/node_reference/node_reference.module,v
retrieving revision 1.20
diff -u -p -r1.20 node_reference.module
--- modules/node_reference/node_reference.module	12 Dec 2009 18:00:40 -0000	1.20
+++ modules/node_reference/node_reference.module	12 Dec 2009 21:42:43 -0000
@@ -236,11 +236,11 @@ function _node_reference_titles($nid, $k
     else {
       $query = db_select('node', 'n');
       $node_title_alias = $query->addField('n', 'title');
-      $query->addTag('node_access')
+      $result = $query->addTag('node_access')
         ->condition('n.nid', $nid)
         ->range(0, 1)
         ->execute();
-      $titles[$nid] = $query->fetchField();
+      $titles[$nid] = $result->fetchField();
     }
   }