public function delete($object, $where_filter_id) {
        $this->dbConfig()->setTYpe(DbExecutionType::DELETE);
        $delete_clause = "DELETE from `" . $this->GetTableName($object) . "` WHERE $where_filter_id = " . $object->$where_filter_id() . ";";
        $sth = $this->dao->prepare($delete_clause);
        return $this->ExecuteQuery($sth, $params);
    }