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  1. Hive
  2. HIVE-470

Support COALESCE using GenericUDF

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Details

    • New Feature
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.4.0
    • 0.4.0
    • Query Processor
    • None
    • 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

        Issue Links

          depends upon

          Bug - A problem which impairs or prevents the functions of the product. HIVE-45 Hive: GenericUDF and support of complex object

          • Major - Major loss of function.
          • Closed

          Activity

            People

              zshao Zheng Shao
              zshao Zheng Shao
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              Dates

                Created:
                Updated:
                Resolved: