butler.sql.function
Interface CompareAggregateFunction

All Superinterfaces:

AggregateFunction, Function

All Known Implementing Classes:

Max

public interface CompareAggregateFunction
extends AggregateFunction

Interface for aggregate functions using Comparable object.

Author:

Fredrik Bertilsson

Nested Class Summary

Nested classes/interfaces inherited from interface butler.sql.function.Function

Function.Call

Method Summary

java.lang.Comparable

calculate(java.util.Iterator i)

Methods inherited from interface butler.sql.function.Function

getName

Method Detail

calculate

java.lang.Comparable calculate(java.util.Iterator i)
                               throws java.lang.Exception

Throws:

java.lang.Exception