Package org.apache.calcite.util

Class Smalls.MyStaticSumFunction

java.lang.Object

org.apache.calcite.util.Smalls.MyStaticSumFunction

Enclosing class:

Smalls

public static class Smalls.MyStaticSumFunction
extends Object

Example of a user-defined aggregate function (UDAF), whose methods are static.

Constructor Summary

Constructors

Constructor	Description
MyStaticSumFunction()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

MyStaticSumFunction

public MyStaticSumFunction()

Method Details

init

public static long init()

add

public static long add(long accumulator,
 int v)

merge

public static long merge(long accumulator0,
 long accumulator1)

result

public static long result(long accumulator)