Cml\Db\Base::chunk PHP 메소드

    public function chunk($num = 100, callable $func)
    {
        $start = 0;
        $this->paramsAutoReset(false);
        while (!empty($result = $this->select($start, $num))) {
            if ($func($result) === false) {
                break;
            }
            $start += $num;
        }
        $this->paramsAutoReset(true);
    }