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  1. Hive
  2. HIVE-470

Support COALESCE using GenericUDF

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.4.0
    • Fix Version/s: 0.4.0
    • Component/s: Query Processor
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      See HIVE-164 for details. We should support COALESCE which is defined in SQL-92. This is kind of a syntax sugar, but it is used very frequently in full outer joins.

        Attachments

        1. HIVE-470.3.patch
          14 kB
          Zheng Shao
        2. HIVE-470.2.patch
          11 kB
          Zheng Shao
        3. HIVE-470.1.patch
          11 kB
          Zheng Shao

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              • Assignee:
                zshao Zheng Shao
                Reporter:
                zshao Zheng Shao
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                Dates

                • Created:
                  Updated:
                  Resolved: