public function bracketList($row, $quote = "'") {
        switch ($quote) {
            case "'":
                $row = array_map([$this->pdo(), 'quote'], $row);
                $quote = '';
                break;
            case '`':
                $row = array_map([$this, 'backtick'], $row);
                $quote = '';
                break;
        }

        return "($quote".implode("$quote, $quote", $row)."$quote)";
    }