Class OrderableAggregator

java.lang.Object
org.apache.derby.impl.sql.execute.SystemAggregator
org.apache.derby.impl.sql.execute.OrderableAggregator
All Implemented Interfaces:
Externalizable, Serializable, Formatable, TypedFormat, ExecAggregator
Direct Known Subclasses:
MaxMinAggregator, SumAggregator

abstract class OrderableAggregator extends SystemAggregator
Abstract aggregator for Orderable aggregates (max/min).