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

        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

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          People

            namit Namit Jain Assign to me
            vikram.dixit Vikram Dixit K
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            Dates

              Created:
              Updated:
              Resolved:

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