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

    finalclassMongoDB\Driver\WriteConcernimplementsMongoDB\BSON\Serializable, Serializable {
    conststringMAJORITY = "majority";
    finalpublicbsonSerialize(): stdClass
    finalpublic__construct(string|int$w, ?int$wtimeout = null, ?bool$journal = null)
    finalpublicgetJournal(): ?bool
    finalpublicgetW(): string|int|null
    finalpublicgetWtimeout(): int
    finalpublicisDefault(): bool
    finalpublicserialize(): string
    finalpublicunserialize(string$data): void
    }

    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
    PECL mongodb 1.7.0 Implements Serializable.
    PECL mongodb 1.2.0 Implements MongoDB\BSON\Serializable.

    目录

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