aggregators package

An aggregator defines the aggregations needed after the join.

If no aggregation is needed, use aggregator_all.

Modules

aggregator

Aggregator base class for all kinds of aggregator.

aggregator_all
aggregator_avg
aggregator_max
aggregator_min
aggregator_top
aggregator_all

Aggregator all class, a.k.a. no aggregation.

aggregator_avg

Aggregator avg class.

aggregator_max

Aggregator max class.

aggregator_min

Aggregator min class.

aggregator_top

Aggregator top class.