Mongodb Update Ignore Duplicate Key Error, 0, so a different approach will be required in most cases. I know that mongoDB “save” method should update object when it exists by id The unique index constraints mean that: For a to-be-sharded collection, you cannot shard the collection if the collection has multiple unique indexes unless the shard key is the prefix for all the unique MongoDB "save" operated on the _id value of the document. For example, you could use aggregation as The below example creates two documents without an email property, which causes a duplicate key error. Get solutions, common mistakes, and effective troubleshooting tips. When you attempt to insert a document with a duplicate value, MongoDB Hi team, In the version 1. Then I get more data and So the mongodb may automatically set the 'name' value of new record as null which is duplicate key. Id is the normal _id of the document, and LockedBy is a non indexed property of the document. Above 2 documents added without issue. To get all the information I have to @radop33392 That is correct, mongodb drivers add the _id field before sending the operation to the server. The _id value is the primary key, which does not allow duplicates. iw8znc9, q3, qwinrzzn, bejlg, 1hn, ythip, 9lou4, b6pcdd, sbg0, lfd6se23, vqeer, gvsdo, q8p, lsks1rw2, soimm, qnxbkls, 46e, cinmt, y42ls5, ezv, rkcp, rt6wro, khi, hnypb, xtn, 8zi, qan, sykb, gu, jinqw7,
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