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  1. Spark
  2. SPARK-6424

Support user-defined aggregators in AggregateFunction

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Duplicate
    • None
    • None
    • SQL
    • None

    Description

      Add a new interface to implement user-defined aggregators in AggregateExpression.
      This enables third-parties to easily implement various operations on DataFrame.

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        Issue Links

          duplicates

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-4366 Aggregation Improvement

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          links to

          Pull request #5100 [Github] Pull Request #5100 (maropu)

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              Unassigned Unassigned
              maropu Takeshi Yamamuro
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              Dates

                Created:
                Updated:
                Resolved: