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  1. MariaDB Server
  2. MDEV-29679

Optimizer Tracing for index_merge/sort_intersect

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    • Task
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
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    Description

      Optimizer Trace doesn't fully cover how index_merge/sort_intersect plans are chosen.

      In particular, the cost of fetching the rowids and Unique::get_use_cost() are not traced.

      We should add tracing.

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            Unassigned Unassigned
            psergei Sergei Petrunia
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              Updated:

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