org.apache.calcite.util

类 Smalls.MyStaticSumFunction

java.lang.Object

org.apache.calcite.util.Smalls.MyStaticSumFunction

封闭类:

Smalls

public static class Smalls.MyStaticSumFunction
extends Object

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

构造器概要

构造器

构造器和说明
MyStaticSumFunction()

方法概要

限定符和类型	方法和说明
static long	add(long accumulator, int v)
static long	init()
static long	merge(long accumulator0, long accumulator1)
static long	result(long accumulator)

从类继承的方法 java.lang.Object

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

构造器详细资料

MyStaticSumFunction

public MyStaticSumFunction()

方法详细资料

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)