Hive
  1. Hive
  2. HIVE-470

Support COALESCE using GenericUDF

    Details

    • Type: New Feature New Feature
    • Status: Closed
    • Priority: Major 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.

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

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            • Assignee:
              Zheng Shao
              Reporter:
              Zheng Shao
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              • Created:
                Updated:
                Resolved:

                Development