Mapping of FedSQL Data Types to Data Types Used by MongoDB Data Type Definition Keyword MongoDB Data Type Description Data Type Returned 2 Array An array. 4 BIGINT int A regular 64-bit exact whole number. BIGINT 1 BinData A binary value. VARCHAR5 1 Bool A Boolean value. INTEGER CHAR(...
MongoDB Data Types : MongoDB stores documents on disk in the BSON serialization format. BSON is a binary representation of JSON documents, though BSON data format provides more data types than JSON.
在mongoShell 中检查类型 MongoDBBSON提供了除JSON之外其它数据类型的支持。Drivers提供了对这些数据类型在主机语言的本地化支持,mongoshell 也提供了一些帮助类来支持这些数据类型在mongoJavaScript shell 中的使用。 请查阅Extended JSON参考了解其它信息。 类型¶ ...
db.inventory.find( { price: { $type: "decimal" } } )查询数据类型是decimal的数据 检查数据的类型 instanceof mydoc._id instanceof ObjectId返回的结果是 true typeof typeof mydoc._id
MongoDB data types supported by MongoDB Reader MongoDB Reader supports most MongoDB data types. Make sure that the data types of your database are supported. For fields of the supported data types, take note of the following items: For fields of basic data types, the synchronization task ...
MongoVersionCode String MongoDB version information of an instance MongoVersionValue Integer MongoDB version number of an instance Version String MongoDB version number of an instance (short) EngineName String Storage engine ClusterType Integer Cluster type. Valid values: 1 (sharding cluster), 0 (rep...
MongoDB BSON provides support for additional data types than JSON. Drivers provide native support for these data types in host languages and the mongo shell also provides several helper classes to support the use of these data types in the mongo JavaScript shell. See the Extended JSON reference ...
The Compass Filter supports using the mongo shell mode representation of the MongoDB Extended JSON BSON data types. Example The following filter returns documents where start_date is greater than than the BSON Date 2017-05-01: { "start_date": {$gt: new Date('2017-05-01')} } By specif...
MongoDBBSONprovides support for additional data types thanJSON.Driversprovide native support for these data types in host languages and themongoshell also provides several helper classes to support the use of these data types in themongoJavaScript shell. See theExtended JSONreference for additional inf...
"ClientOutputBufferPersistTime":60, Soft limit duration of slave buffer (s) "ReplBacklogSize":512, Circular buffer capacity limit (MB) "ReplTimeout":120, Replication timeout period (s) } The following parameters can be defined for MongoDB: ...