详解Yii2.0使用AR联表查询实例
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2024-01-10
(PHP 5 >= 5.6.0)
pg_connect_poll — Poll the status of an in-progress asynchronous PostgreSQL connection attempt.
说明
int pg_connect_poll ([ resource$connection
] )
pg_connect_poll() polls the status of a PostgreSQL
connection created by calling pg_connect() with the
PGSQL_CONNECT_ASYNC option.
参数
connection
PostgreSQL database connection resource.
返回值
Returns PGSQL_POLLING_FAILED,
PGSQL_POLLING_READING,
PGSQL_POLLING_WRITING,
PGSQL_POLLING_OK, or
PGSQL_POLLING_ACTIVE.
