--- date/includes/date_api_argument_handler.inc	Sun Jan  2 21:39:15 2011
+++ datepatched/includes/date_api_argument_handler.inc	Tue Jul 26 10:37:32 2011
@@ -276,12 +276,10 @@
   function set_relationship() {
     parent::set_relationship();
     $this->get_query_fields();
-    if (!empty($this->relationship)) {
-      if (!empty($this->query_fields)) {
-        foreach ($this->query_fields as $query_field) {
-          $field = $query_field['field'];
-          $this->related_table_alias = $this->query->queue_table($field['table_name'], $this->relationship);
-        }
+    if (!empty($this->query_fields)) {
+      foreach ($this->query_fields as $query_field) {
+        $field = $query_field['field'];
+        $this->related_table_alias = $this->query->queue_table($field['table_name'], $this->relationship);
       }
     }
   }