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  1. Hive
  2. HIVE-1642

Convert join queries to map-join based on size of table/row

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.7.0
    • Component/s: Query Processor
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Based on the number of rows and size of each table, Hive should automatically be able to convert a join into map-join.

        Attachments

        1. hive_1642_1.patch
          434 kB
          Liyin Tang
        2. hive_1642_2.patch
          770 kB
          Liyin Tang
        3. hive_1642_4.patch
          769 kB
          Liyin Tang
        4. hive-1642_10.patch
          767 kB
          Liyin Tang
        5. hive-1642_11.patch
          767 kB
          Liyin Tang
        6. hive-1642_5.patch
          769 kB
          Liyin Tang
        7. hive-1642_6.patch
          767 kB
          Liyin Tang
        8. hive-1642_7.patch
          767 kB
          Liyin Tang
        9. hive-1642_9.patch
          767 kB
          Liyin Tang

          Activity

            People

            • Assignee:
              liyin Liyin Tang
              Reporter:
              namit Namit Jain
            • Votes:
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              Watchers:
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              Dates

              • Created:
                Updated:
                Resolved: