sum

relationalai.semantics.std.aggregates

sum(*args: AggValue) -> Aggregate

Compute the sum of values.

Parameters

• *args

  (AggValue, default: ()) - Values to sum. Can include Distinct wrapper for distinct aggregation.

Returns

• Aggregate - An Aggregate representing the computation of the sum. Returns Number if the input is Number, or Float if the input is Float.

Examples

Sum order amounts:

>>> select(aggregates.sum(Order.amount))

Sum employee salaries per department:

>>> select(Department, aggregates.sum(Employee.salary).per(Department))

Referenced By

RelationalAI Documentation
└──  Build With RelationalAI
    └──  Understand how PyRel works > Use advanced reasoning > Rules-based reasoning
        └──  Aggregate and group data
            └──  Sum values with .sum()