如果想在MongoDB driver中使用decimal数据类型,请确保驱动程序版本支持该数据类型。 等式及排列顺序¶ Values of thedecimaltype are compared and sorted with other numeric types based on their actual numeric value. Numeric values of the binary-baseddoubletype generally have approximate representations of deci...
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...
Check Types in the mongo Shell To determine the type of fields, the mongo shell provides the instanceof and typeof operators. instanceof instanceof returns a boolean to test if a value is an instance of some type. For example, the following operation tests whether the _id field is an ...
与NumberLong类似,表示数字是 32bit的 Integer NumberDecimal 默认情况下数字的类型是64bit的 浮点类型,NumberDecimal表示数字是128bit的浮点类型 ,接送的参数可以是字符串,也可以是一个浮点型 eg:NumberDecimal("1000.55")NumberDecimal(1000.55) 通过类型查询 db.inventory.find( { price: {...
Supported Data Types in the Query Bar 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: ...
The physical instance ID is needed in such scenarios as getting monitoring data from Barad MongosNodeNum Integer Number of mongos nodesNote: This field may return null, indicating that no valid values can be obtained. MongosMemory Integer mongos node memoryNote: This field may return null, ...
synchronization task that uses MongoDB Reader is greater than 1, all_idfields in the collection that is specified when you configure the synchronization task must be of the same data type, such as STRING or ObjectId. If the_idfields are of different data types, some data cannot be ...
For information about the impacts of different time zones on data in MongoDB, see Time zone issues in MongoDB. Date Supported The DATE data type. For fields of complex data types, you can configure the type attribute to specify how to process the fields. Data type MongoDB Reader for...
The types include "docker" and "containerd". Default value: docker NodeNameType String No NodeName type for a node in a cluster (This includes the two forms of hostname and lan-ip, with the default as lan-ip. If hostname is used, you need to set the HostName parameter when creating...
No application changes are required when deploying Oracle Database In-Memory with any Oracle Database–compatible application. All of Oracle’s extensive features, data types, and APIs continue to work transparently. When to Use Oracle Database In-Memory (PDF) ...