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Type:
New Feature
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: 2.6.0-rc3
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Component/s: Aggregation Framework
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Labels:None
Currently it is not possible from a simple $match query on the aggregation framework to match fields of a document that might contain the same value:
test> db.example.insert( { 'colour': 'BLUE', 'color': 'BLUE' } )
Inserted 1 record(s) in 157ms
WriteResult({
"nInserted": 1
})
test> db.example.aggregate( {$match:{ "colour": "$color" } })
{
"result": [ ],
"ok": 1
}
given the semantics of the "$" operator we should be able to support it.