Php/docs/mongodb.setwriteconcern

• PHP Manual
• MongoDB
• Set the write concern for this database

MongoDB::setWriteConcern

(PECL mongo >=1.5.0)

MongoDB::setWriteConcern — Set the write concern for this database

说明

public MongoDB::setWriteConcern ( mixed $w [, int $wtimeout ] ) : bool

参数

w

The write concern. This may be an integer denoting the number of servers required to acknowledge the write, or a string mode (e.g. "majority").

wtimeout

The maximum number of milliseconds to wait for the server to satisfy the write concern.

返回值

Returns true on success, or false otherwise.

错误／异常

Emits E_WARNING if the w parameter is not an integer or string value.

范例

Example #1 MongoDB::setWriteConcern() example

<?php$mc = new MongoClient('mongodb://rs1.example.com,rs2.example.com');$db = $mc->selectDB('test');// Require that the majority of servers in the replica set acknowledge writes// within three seconds.$db->setWriteConcern('majority', 3000);?>

参见

• The write concern documentation.
• MongoDB::getWriteConcern() - Get the write concern for this database