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  1. MariaDB Server
  2. MDEV-23792

Add methods to disable some of optimizations/rewrites

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    • Task
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • None
    • None

    Description

      As of 10.5 Columnstore doesn't tolerate a number of optimizations/rewrites MDB applies to the query:

      • derived table merge optimization
      • conversion of IN + long list of literals into a single-column temp table

      We need methods to explicitly disable this rewrites/optimizations for Select Handler execution path.

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          relates to

          Task - A task that needs to be done. MDEV-23860 Move all optimization query re-writes from the prepare phase into the optimizer phase

          • Major - Major loss of function.
          • Closed

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              serg Sergei Golubchik
              drrtuy Roman
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