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  1. Flink
  2. FLINK-4604

Add support for standard deviation/variance

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.3.0
    • Component/s: Table API & SQL
    • Labels:
      None

      Description

      Calcite's AggregateReduceFunctionsRule can convert SQL AVG, STDDEV_POP, STDDEV_SAMP, VAR_POP, VAR_SAMP to sum/count functions. We should add, test and document this rule.

      If we also want to add this aggregates to Table API is up for discussion.

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          Anton Mushin

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              • Assignee:
                anmu Anton Mushin
                Reporter:
                twalthr Timo Walther
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                  Updated:
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