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, or FBSQL_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, or FBSQL_ISO_VERSIONED.

返回值

没有返回值。