$lookup with hashed index may not work as expected

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    • Type: Bug
    • Resolution: Duplicate
    • Priority: Major - P3
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      Please refer to the repository for the test case, https://github.com/tzry/mongodb-lookup-bug

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      Please refer to the repository for the test case, https://github.com/tzry/mongodb-lookup-bug
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      When there is a hashed index used in an aggregation with both $match & $lookup, it might return empty result. 

            Assignee:
            Rajesh Patil
            Reporter:
            Gerry Tang
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              Created:
              Updated:
              Resolved: