$expr doesn't use indexes

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    • Type: Improvement
    • Resolution: Duplicate
    • Priority: Major - P3
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    • Affects Version/s: 4.0.4
    • Component/s: None
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    • 3
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      $expr doesn't use indexes at all with any expression, except with $eq and this happened after it was issued https://jira.mongodb.org/browse/SERVER-33364

      My issue specifically with $in, neither in $lookup nor in find() it uses indexes even on _id field

              Assignee:
              Danny Hatcher (Inactive)
              Reporter:
              Hawk Kero
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                Created:
                Updated:
                Resolved: