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  1. Hive
  2. HIVE-13287

Add logic to estimate stats for IN operator

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.1.0
    • 2.1.0
    • Statistics
    • None

    Description

      Currently, IN operator is considered in the default case: reduces the input rows to the half. This may lead to wrong estimates for the number of rows produced by Filter operators.

      Attachments

        1. HIVE-13287.01.patch
          9 kB
          jcamachorodriguez
        2. HIVE-13287.02.patch
          25 kB
          jcamachorodriguez
        3. HIVE-13287.03.patch
          25 kB
          jcamachorodriguez
        4. HIVE-13287.patch
          31 kB
          jcamachorodriguez

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-14018 Make IN clause row selectivity estimation customizable

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

          Activity

            People

              jcamacho Jesús Camacho Rodríguez
              jcamacho Jesús Camacho Rodríguez
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              Dates

                Created:
                Updated:
                Resolved: