Details
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Bug
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Status: Closed
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Major - P3
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Resolution: Duplicate
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3.6.4
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None
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None
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ALL
Description
I have a collection containing the following documents:
The index below is defined:
I'm testing an aggregation with a single $match stage:
It returns the second document as expected, but without index support:
I discovered this strange behavior when testing a $lookup stage with an internal pipeline, where $expr operator is a must.
BTW - I'm aware of this issue. I have tested non-array fields and indeed indexes are used for them.
Attachments
Issue Links
- duplicates
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SERVER-32549 allow $expr with $in expression use a non-multikey index
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- Backlog
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