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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: 4.2.0-rc2
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Component/s: Aggregation Framework
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Fully Compatible
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ALL
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Query 2019-07-15, Query 2019-07-29
db.example.update({_id:1}, [ {$set:{ } } ])
WriteResult({ ...
"writeError" : {
"code" : 40177,
"errmsg" : "Invalid $addFields :: caused by :: specification must have at least one field"
}
})
Typing $set and getting an error for $addFields can be confusing. Would be cleaner to use the same stage name as user provided (especially when it's a one-to-one alias).