public function fetchArray($result_object,$which_connection='')
    {
        if (is_null($result_object)) return false;
        if ($result_object === false) return false;

        if ($which_connection == '') {
            $which_connection = $this->default_db;
        }
        $ret = $result_object->fields;
        if ($result_object) {
            $result_object->MoveNext();
        }

        return $ret;
    }