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  1. Hive
  2. HIVE-11813

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

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.0
    • Fix Version/s: 2.0.0
    • Component/s: CBO
    • Labels:
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      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-11813.patch
          2 kB
          Jesus Camacho Rodriguez
        2. HIVE-11813.01.patch
          2 kB
          Jesus Camacho Rodriguez

        Issue Links

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            People

            • Assignee:
              jcamachorodriguez Jesus Camacho Rodriguez Assign to me
              Reporter:
              jcamachorodriguez Jesus Camacho Rodriguez

              Dates

              • Created:
                Updated:
                Resolved:

                Issue deployment