英文:
How to update a sub-object in a MongoDB collection with Spring Boot?
问题
我对Spring Data和StackOverflow都不太了解。
为了简单起见，在我的数据库中，我有一个'用户'集合，其中有一个带有'myApp'子对象和'param'子对象的用户文档。
目前我能够在用户文档中更新'param'，但我想要做的是更新'myApp'中的'param'。
请问有什么好的做法吗？
以下是我的当前请求：
public ResponseEntity<?> setParam(String key, Param param){
Query q = new Query(Criteria.where("_id").is(Auth.getUserId(key)));
q.fields().include("myApp");
Update u = Update.update("param", param).set("param", param);
mongoTemplate.findAndModify(q, u, new FindAndModifyOptions().returnNew(true).upsert(false), User.class);
return null;
}
提前谢谢！
英文:
I'm new to both Spring Data and StackOverflow.
To make it simple, in my database I have a 'user' collection in which I have a user document with a 'myApp' subobject and a 'param' subobject.
Currently I'm able to upsert 'param' in my user document except that what I want to do is to upsert to 'param' in 'myApp'.
What is the good practice please?
Here is my current request:
public ResponseEntity<?> setParam(String key, Param param){
Query q = new Query(Criteria.where("_id").is(Auth.getUserId(key)));
q.fields().include("myApp");
Update u = Update.update("param", param).set("param", param);
mongoTemplate.findAndModify(q, u, new FindAndModifyOptions().returnNew(true).upsert(false), User.class);
return null;
}
Thank you in advance!
答案1
得分: 0
好的，我尝试了很多方法，最终找到了解决方案！
在.update中只需使用"myApp.param"，在.set中也只需使用"myApp.param"！
希望对其他人有帮助。
英文:
Ok I tried a lot of stuff and I finally found the solution!
It was enough in the .update to do "myApp.param" and in the .set to do "myApp.param" !
Hoping that it could be useful for others.
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