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  1. Hive
  2. HIVE-16441

De-duplicate semijoin branches in n-way joins

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0
    • None
    • None

    Description

      Currently in n-way joins, semi join optimization creates n branches on same key. Instead it should reuse one branch for all the joins.

      Attachments

        1. HIVE-16441.1.patch
          10 kB
          Deepak Jaiswal
        2. HIVE-16441.2.patch
          10 kB
          Deepak Jaiswal
        3. HIVE-16441.3.patch
          10 kB
          Deepak Jaiswal
        4. HIVE-16441.4.patch
          14 kB
          Deepak Jaiswal

        Activity

          People

            djaiswal Deepak Jaiswal
            djaiswal Deepak Jaiswal
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            Dates

              Created:
              Updated:
              Resolved: