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  1. Hive
  2. HIVE-4167

Hive converts bucket map join to SMB join even when tables are not sorted

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • 0.11.0
    • 0.11.0
    • Query Processor
    • None
    • Reviewed

    Description

      If tables are just bucketed but not sorted, we are generating smb join operator. This results in loss of rows in queries.

      Attachments

        1. HIVE-4167.patch
          3 kB
          Vikram Dixit K
        2. hive.4167.1.patch
          50 kB
          Namit Jain
        3. hive.4167.2.patch
          43 kB
          Namit Jain
        4. hive.4167.3.patch
          51 kB
          Namit Jain
        5. hive.4167.4.patch-nohcat
          51 kB
          Namit Jain
        6. hive.4167.4.patch
          44 kB
          Namit Jain

        Issue Links

          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. HIVE-3891 physical optimizer changes for auto sort-merge join

          • Major - Major loss of function.
          • Closed

          Activity

            People

              namit Namit Jain
              vikram.dixit Vikram Dixit K
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              Dates

                Created:
                Updated:
                Resolved: