dbplus_getlock
(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_getlock — Get a write lock on a tuple
說明
int dbplus_getlock
( resource
$relation
, string $tuple
)
Requests a write lock on the specified tuple.
回傳值
Returns zero on success or a non-zero error code, especially
DBPLUS_ERR_WLOCKED on failure.
註釋
Warning
本函式是實驗性的。這個函式的行為、名稱、和關於此函式的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此函式需自行承擔風險。
參見
- dbplus_freelock() - Release write lock on tuple
- dbplus_freerlocks() - Free all tuple locks on given relation
- dbplus_freealllocks() - Free all locks held by this client
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