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  1. Hive
  2. HIVE-16023

Wrong estimation for number of rows generated by IN expression

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.2.0
    • Fix Version/s: 2.2.0
    • Component/s: Statistics
    • Labels:
      None
    • Target Version/s:

      Description

      Code seems to be wrong, as we are factoring the number of rows to create the multiplying factor, instead of NDV for given column(s) and NDV in IN clause.

        Attachments

        1. HIVE-16023.patch
          6 kB
          Jesus Camacho Rodriguez
        2. HIVE-16023.01.patch
          19 kB
          Jesus Camacho Rodriguez

          Activity

            People

            • Assignee:
              jcamachorodriguez Jesus Camacho Rodriguez
              Reporter:
              jcamachorodriguez Jesus Camacho Rodriguez
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              Dates

              • Created:
                Updated:
                Resolved: