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  1. Hive
  2. HIVE-8926

Projections that only swap input columns are identified incorrectly as identity projections

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.15.0
    • 1.1.0
    • Logical Optimizer
    • None

    Description

      Projection operators that only swap the input columns in the tuples are identified as identity projections, and thus incorrectly deleted from the plan by the identity project removal optimization.

      This bug was introduced in HIVE-8435.

      Attachments

        1. HIVE-8926.patch
          31 kB
          jcamachorodriguez
        2. HIVE-8926.01.patch
          75 kB
          jcamachorodriguez

        Issue Links

        relates to

        New Feature - A new feature of the product, which has yet to be developed. HIVE-8435 Add identity project remover optimization

        • Major - Major loss of function.
        • Resolved
        links to

        Web Link RB request

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            jcamacho Jesús Camacho Rodríguez Assign to me
            jcamacho Jesús Camacho Rodríguez
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              Updated:
              Resolved:

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