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  1. MariaDB Server
  2. MDEV-771

LP:806894 - SJ-Materialization picks scan-strategy which is 2x slower than SJ-Materialization lookup

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Details

    • Bug
    • Status: Open (View Workflow)
    • Minor
    • Resolution: Unresolved
    • 5.3.12, 5.5(EOL)
    • 10.2(EOL)
    • None

    Description

      See testcase and details in MDEV-2608

      I'm not sure if this is actually a bug (i.e. here we have a situation where the optimizer had sufficient info to make the right decision but didn't make it). This needs to be investigated.

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            psergei Sergei Petrunia
            psergei Sergei Petrunia
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              Updated:

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