Expand description
Aggregate evaluation for :find specifications.
The engine is deterministic: sample returns the first n distinct
values in sort order rather than a random selection, and rand is not
provided. median returns the lower middle element for even counts.
Enums§
- AggOut
- An aggregate outcome, distinguishing scalar, ordered-collection, and set-valued results for output conversion.
Functions§
- apply
- Applies aggregate
op(with optional constant argumentn) to the bag ofvaluescollected for one group.