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

相关文章
php mongodb driver the mongodb driver command classphp mongodb driver the mongodb driver cursor classphp mongodb driver the mongodb driver cursorid classphp mongodb driver exception the mongodb driver exception authenticationexception classphp mongodb driver exception the mongodb driver exception bulkwriteexception classphp mongodb driver exception the mongodb driver exception connectionexception classphp mongodb driver exception the mongodb driver exception connectiontimeoutexception classphp mongodb driver exception the mongodb driver exception executiontimeoutexception classphp mongodb driver exception the mongodb driver exception invalidargumentexception classphp mongodb driver exception the mongodb driver exception logicexception classphp mongodb driver monitoring the mongodb driver monitoring commandfailedevent classphp mongodb driver monitoring the mongodb driver monitoring commandstartedevent classphp mongodb driver monitoring the mongodb driver monitoring commandsucceededevent classphp mongodb driver the mongodb driver query classphp mongodb driver the mongodb driver readconcern classphp mongodb driver the mongodb driver readpreference classphp mongodb driver the mongodb driver server classphp mongodb driver the mongodb driver writeconcern classphp mongodb driver manager return the writeconcern for the managerphp mongodb driver writeconcern returns an object for bson serialization
关注编程学问公众号