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Type:
Improvement
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Resolution: Duplicate
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Priority:
Minor - P4
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Affects Version/s: 2.4.10, 2.6.1
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Component/s: Querying
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Query
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0
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if _id is an object you cannot project out on of it's members in a normal projection, you can using $project in aggregation
> db.foo.insert({_id:{a:1,b:1}})
WriteResult({ "nInserted" : 1 })
> db.foo.find({},{_id:0,"_id.a":1})
{ }
- duplicates
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SERVER-7502 Query's projection does not obey partial inclusion or exclusion of _id
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- Closed
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