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  1. MariaDB Server
  2. MDEV-38273

Optimizer trace should have selectivities collected via sampling

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.6
    • 12.2
    • Optimizer
    • None

    Description

      Encountered this in MDEV-35280.

      Optimizer trace doesn't print selectivities of conditions that were computed via sampling (optimizer_use_condition_selectivity=5).

      Make it be printed there.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35280 Performance Issue on TPC-H Query 2

          • Major - Major loss of function.
          • Confirmed

          Activity

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              Unassigned Unassigned
              psergei Sergei Petrunia
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              Dates

                Created:
                Updated:

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