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Type: Bug
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Resolution: Done
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: Aggregation Framework
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Labels:None
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ALL
I have below users collectionI have below users collection
[{ "_id": 1, "adds": ["111", "222", "333", "111"] }, { "_id": 2, "adds": ["555", "666", "777", "555"] }, { "_id": 3, "adds": ["888", "999", "000", "888"] }]
I need to find the duplicates inside the `adds` array
The expected output should be
[{ "_id": 1, "adds": ["111"] }, { "_id": 2, "adds": [ "555"] }, { "_id": 3, "adds": ["888"] }]
I have tried using many operators `$setUnion`, `$setDifference` but none of the did the trick.