protected function processWhere($limitValues, $report = null)
 {
     $where = trim(parent::processWhere($limitValues, $report));
     list($formObj, $fieldObj) = $this->getFormFieldObjects('primary_form+csd_uuid', $report);
     if ($formObj instanceof I2CE_Form) {
         $uuid_where = trim($formObj->generateLimit(array('field' => 'csd_uuid', 'style' => 'not_null', 'data' => array())));
         if ($where) {
             $uuid_where = "( ( " . $uuid_where . ") AND (" . $where . "))";
         }
         return $uuid_where;
     } else {
         I2CE::raiseError("Cannot get csd_uuid where clause");
         return $where;
     }
 }