Database Commands / Aggregation Definition count Counts the number of documents in a collection or a view. Returns a document that contains this count and as well as the command status. Tip Inmongosh, this comm
ThelistCollectionsandlistIndexescommands and their helper methods. Other non-CRUD and non-informational operations, such ascreateUser,getParameter,count, etc. and their helpers. Transactions have a lifetime limit as specified bytransactionLifetimeLimitSeconds. The default is 60 seconds. ...
_ import MGOCommands._ import com.datatech.sdp.result.DBOResult.DBOResult import MongoModels._ object MongoRepo { class MongoRepo[R](db:String, coll: String, converter: Option[Document => R])(implicit client: MongoClient) { def getAll(next:Option[String],sort:Option[String],fields:Option...
action: Option[MGOCommands] = None, actionOptions: Option[Any] = None, actionTargets: Seq[String] = Nil ) { ctx => def setDbName(name: String): MGOContext = ctx.copy(dbName = name) def setCollName(name: String): MGOContext = ctx.copy(collName = name) def setAction...
mongodb_ss_metrics_aggStageCounters_sortByCount cl_id cl_role rs_nm rs_state mongodb_ss_metrics_aggStageCounters_unset cl_role rs_nm rs_state cl_id mongodb_ss_metrics_aggStageCounters_unwind cl_role rs_nm rs_state cl_id mongodb_ss_metrics_commands_abortTransaction_failed cl_id cl_role...
(mongodb.com/docs/driver) mongosShutdownTimeoutMillisForSignaledShutdown 在MongoDB 5.0中,新的参数mongosShutdownTimeoutMillisForSignaledShutdown指定在启动mongos关闭之前等待正在进行的数据库操作完成的时间(以毫秒为单位)。 zstd 压缩级别可配置 在MongoDB 5.0中,引入了zstdCompressionLevel配置文件选项,当block...
作为请求的访问入口,所有的请求都由mongos来路由、分发、合并,这些动作对客户端driver透明,用户连接mongos就像连接mongod一样使用。Mongos会根据请求类型及shard key将请求路由到对应的Shard。 2.Config Server 【配置服务器】 存储Sharding Cluster 的所有元数据,所有的元数据都存储在config数据库; ...
DRIVERSESSION.startTransaction EDITOR ISODate load MaxKey MinKey Mongo new Mongo Mongo.prototype.getDB Mongo.prototype.getDBs Mongo.prototype.setSlaveOk Mongo.prototype.startSession NumberInt NumberLong Object Object.bsonsize ObjectId OBJECTID.str ...
要在本地运行 MongoDB,您必须创建一个数据目录。执行下一个命令并在任何您想要的文件夹中创建数据目录: mkdir -p ~/mytools/mongodb 要验证安装是否成功,请在本地运行 MongoDB。为此,您需要使用mongo命令并提供数据目录的路径: mongod --dbpath ~/mytools/mongodb 执行此命令后,MongoDB 将在默认端口270...
_ import MGOCommands._ import MGOAdmins._ def mgoExecute[T](ctx: MGOContext)(implicit client: MongoClient): Future[T] = { val db = client.getDatabase(ctx.dbName) val coll = db.getCollection(ctx.collName) ctx.action match { /* count */ case Count(Some(filter), Some(opt)) => ...