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  1. Hive
  2. HIVE-21057

Make semi join reduction work with UNION

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    Details

    • Type: Improvement
    • Status: Patch Available
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Query Planning
    • Labels:
      None
    • Target Version/s:

      Description

      HIVE-21007 disabled semi-join for plans containing UNION since it generates a operator tree which ends up producing invalid tez plan

        Attachments

        1. HIVE-21057.1.patch
          64 kB
          Vineet Garg
        2. HIVE-21057.2.patch
          259 kB
          Vineet Garg
        3. HIVE-21057.3.patch
          260 kB
          Vineet Garg

          Activity

            People

            • Assignee:
              vgarg Vineet Garg
              Reporter:
              vgarg Vineet Garg
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              Dates

              • Created:
                Updated: