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  1. Hive
  2. HIVE-11310

Avoid expensive AST tree conversion to String for expressions in WHERE clause

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Details

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

    Description

      We use the AST tree String representation of a condition in the WHERE clause to identify its column in the RowResolver. This can lead to OOM Exceptions when the condition is very large.

      Attachments

        1. HIVE-11310.1.patch
          7 kB
          jcamachorodriguez
        2. HIVE-11310.2.patch
          7 kB
          jcamachorodriguez
        3. HIVE-11310.3.patch
          9 kB
          jcamachorodriguez
        4. HIVE-11310.4.branch-1.0.patch
          11 kB
          jcamachorodriguez
        5. HIVE-11310.4.branch-1.2.patch
          11 kB
          jcamachorodriguez
        6. HIVE-11310.4.patch
          11 kB
          jcamachorodriguez
        7. HIVE-11310.patch
          7 kB
          jcamachorodriguez

        Issue Links

          is part of

          Task - A task that needs to be done. HIVE-11315 Compilation performance issues for large queries

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. HIVE-11813 Avoid expensive AST tree conversion to String for expressions in WHERE clause in CBO

          • Major - Major loss of function.
          • Closed

          Activity

            People

              jcamacho Jesús Camacho Rodríguez
              jcamacho Jesús Camacho Rodríguez
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              Dates

                Created:
                Updated:
                Resolved: