db_pdo_mysql::real_connect PHP Method

    public function real_connect($host, $user, $password, $name, $charset = '', $engine = '')
    {
        if (strpos($host, ':') !== FALSE) {
            list($host, $port) = explode(':', $host);
        } else {
            $port = 3306;
        }
        try {
            $link = new PDO("mysql:host={$host};port={$port};dbname={$name}", $user, $password);
            //$link->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);
        } catch (Exception $e) {
            $this->error(-10000, '连接数据库服务器失败:' . $e->getMessage());
            return FALSE;
        }
        //$link->setFetchMode(PDO::FETCH_ASSOC);
        $charset and $link->query("SET names {$charset}, sql_mode=''");
        //$link->query('SET NAMES '.($charset ? $charset.',' : '').', sql_mode=""');
        return $link;
    }