Function getDefaultDrilldownAggregation

How a group row shows a column with no aggregation of its own (PLAN §11.10, user 2026-10-11): a number its Sum, any other column nothing

getDefaultDrilldownAggregation(type: CubeType): null | AggregationFunction
Parameters
- type: CubeType
Returns null | AggregationFunction
- Defined in drilldown/Drilldown.ts:92