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  1. Hive
  2. HIVE-12899 Bring query optimization time down
  3. HIVE-13638

CBO rule to pull up constants through Sort/Limit

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.1.0
    • 2.1.0
    • CBO
    • None

    Description

      After HIVE-13068 goes in, we need to pull up constants through Sort/Limit operator, as it was done previously by ConstantPropagate in Hive.

      Attachments

        1. HIVE-13638.01.patch
          57 kB
          jcamachorodriguez
        2. HIVE-13638.patch
          44 kB
          jcamachorodriguez

        Issue Links

          breaks

          Sub-task - The sub-task of the issue HIVE-13722 Add flag to detect constants to CBO pull up rules

          • Major - Major loss of function.
          • Closed
          is broken by

          Sub-task - The sub-task of the issue HIVE-13068 Disable Hive ConstantPropagate optimizer when CBO has optimized the plan II

          • Major - Major loss of function.
          • Closed
          links to

          Web Link RB link

          Activity

            People

              jcamacho Jesús Camacho Rodríguez
              jcamacho Jesús Camacho Rodríguez
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              Dates

                Created:
                Updated:
                Resolved: