org.apache.calcite.util

类 Smalls.MyTwoParamsSumFunctionFilter1

java.lang.Object

org.apache.calcite.util.Smalls.MyTwoParamsSumFunctionFilter1

封闭类:

Smalls

public static class Smalls.MyTwoParamsSumFunctionFilter1
extends Object

Example of a user-defined aggregate function (UDAF) with two parameters. The constructor has an initialization parameter.

构造器概要

构造器

构造器和说明
MyTwoParamsSumFunctionFilter1(org.apache.calcite.schema.FunctionContext fx)

方法概要

限定符和类型	方法和说明
int	add(int accumulator, int v1, int v2)
int	init()
int	merge(int accumulator0, int accumulator1)
int	result(int 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

MyTwoParamsSumFunctionFilter1

public MyTwoParamsSumFunctionFilter1(org.apache.calcite.schema.FunctionContext fx)

方法详细资料

init

public int init()

add

public int add(int accumulator,
               int v1,
               int v2)

merge

public int merge(int accumulator0,
                 int accumulator1)

result

public int result(int accumulator)