org.axiondb.functions
public abstract class ComparableAggregateFunction extends BaseAggregateFunction implements AggregateFunction
Version: $Revision: 1.1 $ $Date: 2005/08/24 00:41:52 $
Constructor Summary | |
---|---|
ComparableAggregateFunction(String name) |
Method Summary | |
---|---|
Object | evaluate(RowDecoratorIterator rows) |
protected abstract Comparable | evaluate(Comparable src, Comparable val) |
DataType | getDataType() |