fbsql_set_transaction()
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
Set the transaction locking and isolation
说明
fbsql_set_transaction(resource $link_identifier,int $locking,int $isolation): void
Sets the transaction$lockingand$isolation.
参数
- $link_identifier
由fbsql_connect()或fbsql_pconnect()返回的 FrontBase 链接标识符.
如可选并未指定,函数会尝试查找一个到 FrontBase 服务器的开放链接,且如没有找到这样的链接,会尝试通过不带参数调用fbsql_connect()来创建一个。
- $locking
The type of locking to be set. It can be one of the following constants:
FBSQL_LOCK_DEFERRED
,FBSQL_LOCK_OPTIMISTIC
, orFBSQL_LOCK_PESSIMISTIC
.- $isolation
The type of isolation to be set. It can be one of the following constants:
FBSQL_ISO_READ_UNCOMMITTED
,FBSQL_ISO_READ_COMMITTED
,FBSQL_ISO_REPEATABLE_READ
,FBSQL_ISO_SERIALIZABLE
, orFBSQL_ISO_VERSIONED
.
返回值
没有返回值。