英文: mongo how to load nested document by aggregation 问题 [ { _id: ObjectId("6412c76956d4170a7de3...
Is there any way to add dynamic field name in mongo DB aggregation.The field name is based on the data from the same collection
英文: Is there any way to add dynamic field name in mongo DB aggregation.The field name is based on th...
spring data mongo reactive throw org.springframework.data.mapping.MappingException when eager loading nested @DbRef
英文: spring data mongo reactive throw org.springframework.data.mapping.MappingException when eager lo...
MongoDB: 变更流中resumeAt和resumeToken的区别
英文: MongoDB: Difference between resumeAt and resumeToken in change streams 问题 不同之处在于resumeAt接受一个时间戳以...
The type org.springframework.data.repository.PagingAndSortingRepository cannot be resolved. It is indirectly referenced from required .class files
英文: The type org.springframework.data.repository.PagingAndSortingRepository cannot be resolved. It i...
无法在带有@GeoSpatialIndexed的模型中查询geoNear。
英文: Can't query geoNear in a model with @GeoSpatialIndexed 问题 我有一个类似这样的模型: @Document(value="...
如何使用Spring Boot更新MongoDB集合中的子对象?
英文: How to update a sub-object in a MongoDB collection with Spring Boot? 问题 我对Spring Data和StackOverf...
在Spring中,是否有适用于MongoDB的 @MappedSuperclass 等效注解?
英文: is there a @MappedSuperclass equivalent annotation for mongoDB in spring? 问题 在我的项目中,我们在某种程度上从关系型...
How to read a com.fasterxml.jackson.databind.node.TextNode from a Mongo DB and convert to a Map <String, Object>?
英文: How to read a com.fasterxml.jackson.databind.node.TextNode from a Mongo DB and convert to a Map ...
将Java中的非结构化对象转换
英文: Converting the unstructured object in java 问题 我正在使用MongoDb来处理非结构化文档。在执行聚合操作时,我得到的最终输出是非结构化对象。为了方...
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