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  1. Core Server
  2. SERVER-22912

Query Optimizer

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    • Type: Icon: Improvement Improvement
    • Resolution: Duplicate
    • Priority: Icon: Trivial - P5 Trivial - P5
    • None
    • Affects Version/s: 3.0.9
    • Component/s: Aggregation Framework, Querying
    • None

      Feedback from long-term MongoDB community users:

      -index-covered queries will still fetch documents in the aggregation pipeline

      -$group only executes post cursor merge in aggregation pipeline, while it would be more efficient to do it pre-merge.

            Assignee:
            Unassigned Unassigned
            Reporter:
            taelen.lewis Taelen Lewis
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              Created:
              Updated:
              Resolved: