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  1. Core Server
  2. SERVER-32540

Make partial index subset analysis consider $elemMatch object a subset of $exists

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    • Icon: Improvement Improvement
    • Resolution: Unresolved
    • Icon: Major - P3 Major - P3
    • None
    • None
    • Querying
    • None
    • Query Optimization

    Description

      The query explainer don't consider the keys in $elemMatch expression when to decide index boundaries. Instead, it scans all entries in the selected index.

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            backlog-query-optimization Backlog - Query Optimization
            huyingming Alex Hu
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              Created:
              Updated: