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Type: Bug
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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: 3.6.7, 4.0.2
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Component/s: Aggregation Framework
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None
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ALL
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An $expr expression in a query will not use an index when used with $in.
The goal was to used it in a $lookup pipeline.
The problem seems to exists in 3.6.3 as well as 4.0.2
- duplicates
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SERVER-32549 allow $expr with $in expression use a non-multikey index
- Backlog