Package org.apache.calcite.interpreter

Class AggregateNode.LongSum

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.LongSum

Enclosing class:

AggregateNode

public static class AggregateNode.LongSum
extends Object

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

Constructor Summary

Constructors

Constructor	Description
LongSum()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

LongSum

public LongSum()

Method Details

init

public long init()

add

public long add(long accumulator,
 long v)

merge

public long merge(long accumulator0,
 long accumulator1)

result

public long result(long accumulator)