per

relationalai.semantics.std.aggregates

per(*args: Value) -> Per

Create a grouped aggregation context.

Parameters

*args
(Value, default: ()) - Values defining the grouping.

Returns

Per - A Per object for performing grouped aggregations.

Examples

Compute sum per category:

aggregates.per(Category).sum(amount)

Count items per department:

aggregates.per(Department).count()

Referenced By