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  1. Hive
  2. HIVE-11152

Swapping join inputs in ASTConverter

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 2.0.0
    • CBO
    • None

    Description

      We want that multijoin optimization in SemanticAnalyzer always kicks in when CBO is enabled (if possible). For that, we may need to swap the join inputs when we return from CBO through the Hive AST.

      Attachments

        1. HIVE-11152.patch
          3 kB
          jcamachorodriguez
        2. HIVE-11152.02.patch
          697 kB
          jcamachorodriguez

        Issue Links

          is required by

          Bug - A problem which impairs or prevents the functions of the product. HIVE-11110 Reorder applyPreJoinOrderingTransforms, add NotNULL/FilterMerge rules, improve Filter selectivity estimation

          • Major - Major loss of function.
          • Closed

          Activity

            People

              jcamacho Jesús Camacho Rodríguez
              jcamacho Jesús Camacho Rodríguez
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              Dates

                Created:
                Updated:
                Resolved: