The MongoDB\Driver\WriteConcern class
(mongodb >=1.0.0)
簡介
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.
類摘要
/* Constants */
/* 方法 */
}預定義常量
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.
更新日誌
| 版本 | 說明 |
|---|---|
| PECL mongodb 1.7.0 | Implements Serializable. |
| PECL mongodb 1.2.0 | Implements MongoDB\BSON\Serializable. |
目錄
- MongoDB\Driver\WriteConcern::bsonSerialize — Returns an object for BSON serialization
- MongoDB\Driver\WriteConcern::__construct — Create a new WriteConcern
- MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option
- MongoDB\Driver\WriteConcern::getW — Returns the WriteConcern's "w" option
- MongoDB\Driver\WriteConcern::getWtimeout — Returns the WriteConcern's "wtimeout" option
- MongoDB\Driver\WriteConcern::isDefault — Checks if this is the default write concern
- MongoDB\Driver\WriteConcern::serialize — Serialize a WriteConcern
- MongoDB\Driver\WriteConcern::unserialize — Unserialize a WriteConcern