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  1. Hive
  2. HIVE-9132 CBO: Calcite Operator To Hive Operator (Calcite Return Path)
  3. HIVE-9856

CBO (Calcite Return Path): Join cost calculation improvements and algorithm selection implementation [CBO branch]

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • cbo-branch
    • cbo-branch
    • CBO, Logical Optimizer
    • None

    Description

      This patch implements more precise cost functions for join operators that may help us decide which join algorithm we want to execute directly in the CBO.

      Attachments

        1. HIVE-9856.03.cbo.patch
          67 kB
          jcamachorodriguez
        2. HIVE-9856.02.cbo.patch
          66 kB
          jcamachorodriguez
        3. HIVE-9856.01.cbo.patch
          48 kB
          jcamachorodriguez
        4. HIVE-9856.cbo.patch
          45 kB
          jcamachorodriguez

        Activity

          People

            jcamacho Jesús Camacho Rodríguez
            jcamacho Jesús Camacho Rodríguez
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            Dates

              Created:
              Updated:
              Resolved: