Module rorm::aggregate

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Aggregation functions

Structs

  • AggregatedColumn
    A column to select and call a aggregation function on
  • Avg
    Returns the average value of all non-null values. The result of avg is a floating point value, except all input values are null, than the result will also be null.
  • Count
    Returns the count of the number of times that the column is not null.
  • Max
    Returns the maximum value of all values in the group. If there are only null values in the group, this function will return null.
  • Min
    Returns the minimum value of all values in the group. If there are only null values in the group, this function will return null.
  • Sum
    Returns the summary off all non-null values in the group. If there are only null values in the group, this function will return null.

Traits