php教程

The MongoDB\Driver\WriteConcern class

(mongodb >=1.0.0)

简介

MongoDB\Driver\WriteConcern describes the level of acknowledgement requested from MongoDB for write operations to a standalone mongod or to replica sets or to sharded clusters. In sharded clusters, mongos instances will pass the write concern on to the shards.

类摘要

final MongoDB\Driver\WriteConcern implements MongoDB\BSON\Serializable {
/* Constants */
const string MAJORITY = "majority" ;
/* 方法 */
final public bsonSerialize ( void ) : object
final public __construct ( string|integer $w [, int $wtimeout [, bool $journal ]] )
final public getJournal ( void ) : boolean|null
final public getW ( void ) : string|integer|null
final public getWtimeout ( void ) : int
final public isDefault ( void ) : bool
}

预定义常量

MongoDB\Driver\WriteConcern::MAJORITY

Majority of all the members in the set; arbiters, non-voting members, passive members, hidden members and delayed members are all included in the definition of majority write concern.

更新日志

版本 说明
1.2.0 Implements MongoDB\BSON\Serializable.

Table of Contents

User Contributed Notes

There are no user contributed notes for this page.

CopyRight © 2008-2022 verySource.Com All Rights reserved. 京ICP备17048824号-1 京公网安备:11010502034788