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    Categories: Window


    Returns the cumulative distribution of the current row with regard to other values within the same window partition.


    CUME_DIST() OVER ( [PARTITION BY partition_expression] [ORDER BY order_expression]) → double

    • partition_expression: An optional expression that groups rows into partitions.
    • order_expression: An optional expression that specifies the order of the rows within each partition.


    CUME_DIST example
    SELECT "Category", 
        OVER (
          PARTITION BY "Category" 
          ORDER BY "DayOfWeek")
    FROM Samples."samples.dremio.com"."SF_incidents2016.json"
    -- Category, Descript, DayOfWeek, EXPR$3
    -- ARSON, ARSON, Friday, 0.13636363636363635
    -- EMBEZZLEMENT, EMBEZZLED VEHICLE, Friday, 0.18452380952380953

    Usage Notes

    This function does not support cumulative frame windows or sliding frame windows.