MongoCollection::setWriteConcern
(PECL mongo >=1.5.0)
MongoCollection::setWriteConcern — Set the write concern for this database
说明
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');
$coll = $mc->selectCollection('test', 'foo');
// Require that the majority of servers in the replica set acknowledge writes
// within three seconds.
$coll->setWriteConcern('majority', 3000);
?>
参见
- The write concern documentation.
- MongoCollection::getWriteConcern() - Get the write concern for this collection
