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  1. Hive
  2. HIVE-17626 Query reoptimization using cached runtime statistics
  3. HIVE-18805

Add ConstantPropagate before stats annotation

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0
    • Query Planning
    • None

    Description

      this seems to also make a few more optimizations identify more cases

      Attachments

        1. HIVE-18805.01.patch
          41 kB
          Zoltan Haindrich

        Issue Links

          relates to

          Sub-task - The sub-task of the issue HIVE-18804 StatsUtils.getColStatisticsFromExprMap may only provide info for a column once

          • Major - Major loss of function.
          • Patch Available

          Activity

            People

              kgyrtkirk Zoltan Haindrich
              kgyrtkirk Zoltan Haindrich
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              Dates

                Created:
                Updated:
                Resolved: