Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-11813

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

    XMLWordPrintableJSON

    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:
      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-11813.patch
          2 kB
          Jesus Camacho Rodriguez
        2. HIVE-11813.01.patch
          2 kB
          Jesus Camacho Rodriguez

          Issue Links

            Activity

              People

              • Assignee:
                jcamachorodriguez Jesus Camacho Rodriguez
                Reporter:
                jcamachorodriguez Jesus Camacho Rodriguez
              • Votes:
                0 Vote for this issue
                Watchers:
                2 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: