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  1. Calcite
  2. CALCITE-4557

Sort costing should account the number of sort keys: the more keys to compare, the more the cost

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 1.26.0
    • None
    • core
    • None

    Description

      Current costing for sort does not account for the number of keys in the comparison function which might result in worse plan selection.

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          supercedes

          Improvement - An improvement or enhancement to an existing feature or task. CALCITE-4522 CPU cost of Sort should be lower if sort keys are empty

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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              Unassigned Unassigned
              vladimirsitnikov Vladimir Sitnikov
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              Dates

                Created:
                Updated: