function _formatResults($results)
 {
     switch ($this->_sqlParams['result_format']) {
         case "single_array":
             return $results[0];
             break;
         case "single_row":
             return $results[0];
             break;
         case "inverted_array":
             return owa_lib::deconstruct_assoc($results);
             break;
         default:
             return $results;
             break;
     }
 }