Pdo\Pgsql::getNotify
Get asynchronous notification
説明
public arrayfalse Pdo\Pgsql::getNotify(int $fetchMode = PDO::FETCH_DEFAULT, int $timeoutMilliseconds = 0)
Returns a result set representing a pending asynchronous notification.
パラメータ
-
fetchMode
-
The format the result set should be returned as,
one of the following constants:
PDO::FETCH_DEFAULTPDO::FETCH_BOTHPDO::FETCH_ASSOCPDO::FETCH_NUM
-
timeoutMilliseconds
-
The length of time to wait for a response, in milliseconds.
戻り値
If one or more notifications is pending, returns a single row,
with fields message and pid,
otherwise returns false.
エラー / 例外
A ValueError is thrown if
fetchMode is not one of the valid
PDO::FETCH_*
constants.
A ValueError is thrown if
timeoutMilliseconds is less than 0.
A E_WARNING is raised when
timeoutMilliseconds is greater than the value
that can be contained in a signed 32-bit integer, in which case it will be
the maximum value of a signed 32-bit integer.
参考
- PDO::query
- PDOStatement::fetch
- PDOStatement::fetchAll