Coroutine\PostgreSQL->connect
最后更新于：2022-04-02 06:29:12
# Coroutine\\PostgreSQL->connect
建立postgresql 非阻塞的协程连接
~~~
function Coroutine\PostgreSQL->connect( string $connection_string);
~~~
example:
~~~
go(function () {
$a = new Swoole\Coroutine\PostgreSQL();
$conn = $a -> connect ("host=127.0.0.1 port=5432 dbname=test user=wuzhenyu password=");
var_dump($conn);
});
~~~
* 返回值：连接建立成功返回资源类型
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