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  1. Core Server
  2. SERVER-92468

Plan-scoring changes for multiplanning DISTINCT_SCAN

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    • Type: Icon: Task Task
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: None
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    • Query Optimization
    • QO 2024-11-25, QO 2024-12-09

      We may need to implement additional tie-breaking for a case where an index scan and a distinct scan both scan the same number of keys, in order to favour the DISTINCT_SCAN. This ticket encompasses testing such cases/ potentially making this & additional fixes needed for the resulting tests.

            Assignee:
            daniel.segel@mongodb.com Daniel Segel
            Reporter:
            alya.berciu@mongodb.com Alya Berciu
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              Created:
              Updated: