protected function _insert()
    {
        $result = parent::_insert();

        if ($result) {
            //also insert to multilang tables if it is separate
            foreach ($this->_getLanguageSetTables() as $table) {
                $sql = "insert into $table set " . $this->_getUpdateFieldsForTable($table, $this->getUseSkipSaveFields());

                $result = $result && (bool) $this->executeDatabaseQuery($sql);
            }
        }

        return $result;
    }