org.apache.calcite.interpreter

Class AggregateNode.IntSum

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.IntSum

Enclosing class:

AggregateNode

public static class AggregateNode.IntSum
extends Object

Implementation of SUM over INTEGER values as a user-defined aggregate.

Constructor Summary

Constructors

Constructor and Description
IntSum()

Method Summary

Modifier and Type	Method and Description
int	add(int accumulator, int v)
int	init()
int	merge(int accumulator0, int accumulator1)
int	result(int accumulator)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntSum

public IntSum()

Method Detail

init

public int init()

add

public int add(int accumulator,
               int v)

merge

public int merge(int accumulator0,
                 int accumulator1)

result

public int result(int accumulator)