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Type:
Improvement
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Resolution: Won't Fix
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Priority:
Trivial - P5
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Affects Version/s: 0.9.7
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Component/s: Querying
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Query
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It would be very useful if the $in operator could recognise and obey DBRefs when querying. For example:
> // excerpt of Account document
> { users : [ { "$ref": "users", "$id": 11 }, { "$ref": "users", "$id": 20 }, { "$ref": "customers", "$id": 7 } ] }
> // get account
> var account = db.accounts.findOne( ... )
> // get all users at once
> db.users.find( { _id : { $in : account.users });
Which returns back {user 11} and {user 20}, but not {user 7} because it's actually a "customer" collection reference.