spring integration MongoDB, wants to add and modify functions in a method. After using mongoTemplate.upsert, it is found that the id value of inserting new data is null, but there is id in insert insertion. Why? How to solve? I am not very familiar with MongoDB just now.
not very familiar with Spring either. After checking the document, the upsert method returns com.mongodb.client.result.UpdateResult . This object has getUpsertedId :
If the replace resulted in an inserted document, gets the _ id of the inserted document, otherwise null.
this should be the ID you want
Project.updateOne(r, { $pull: { thunder2: { files: { _id: "5ab362d446f15936bcea7dd3" } } } }, function(err, data) { if (err) { res.send("") } else { ...
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ip and port are OK on the server! bind_ip 0.0.0.0 ip ask the boss to have a look. No, no, no. It s okay to pay for an answer! ...
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I tried to do this, but could not copy set initialization. ...
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