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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: None
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Component/s: Aggregation Framework
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None
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Fully Compatible
Currently, aggregation pipeline can work only on one input collection. Adding something like `$in` operation, where you could add another collection would be great.
- duplicates
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SERVER-19095 $lookup
- Closed