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  1. Hive
  2. HIVE-5306

Use new GenericUDF instead of basic UDF for UDFAbs class

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.13.0
    • Component/s: UDF
    • Labels:
      None

      Description

      GenericUDF class is the latest and recommended base class for any UDFs.
      This JIRA is to change the current UDFAbs class extended from GenericUDF.

      The general benefit of GenericUDF is described in comments as

      "* The GenericUDF are superior to normal UDFs in the following ways: 1. It can

      • accept arguments of complex types, and return complex types. 2. It can accept
      • variable length of arguments. 3. It can accept an infinite number of function
      • signature - for example, it's easy to write a GenericUDF that accepts
      • array<int>, array<array<int>> and so on (arbitrary levels of nesting). 4. It
      • can do short-circuit evaluations using DeferedObject."

        Attachments

        1. HIVE-5306.1.patch
          9 kB
          Mohammad Islam
        2. HIVE-5306.2.patch
          13 kB
          Mohammad Islam
        3. HIVE-5306.3.patch
          12 kB
          Mohammad Islam
        4. HIVE-5306.4.patch
          14 kB
          Mohammad Islam
        5. HIVE-5306.5.patch
          15 kB
          Mohammad Islam
        6. HIVE-5306.6.patch
          15 kB
          Mohammad Islam

          Activity

            People

            • Assignee:
              kamrul Mohammad Islam
              Reporter:
              kamrul Mohammad Islam
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              Dates

              • Created:
                Updated:
                Resolved: