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  1. Hive
  2. HIVE-2416

Multiple distinct function to support hive.groupby.skewindata optimization

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      Currently when multiple distinct function is used, hive.groupby.skewindata optimization parameter shall be set false, or else an exception is raised:

      Error in semantic analysis: DISTINCT on different columns not supported with skew in data
      

      Skew groupby should support multiple distinct function

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              • Assignee:
                tedxu Ted Xu
                Reporter:
                tedxu Ted Xu
              • Votes:
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                Dates

                • Created:
                  Updated: