Package org.apache.calcite.util

Class Smalls.MyTwoParamsSumFunctionFilter1

java.lang.Object

org.apache.calcite.util.Smalls.MyTwoParamsSumFunctionFilter1

Enclosing class:

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.

Constructor Summary

Constructors

Constructor	Description
MyTwoParamsSumFunctionFilter1(FunctionContext fx)

Method Summary

Modifier and Type	Method	Description
int	add(int accumulator, int v1, int v2)
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 Details

MyTwoParamsSumFunctionFilter1

public MyTwoParamsSumFunctionFilter1(FunctionContext fx)

Method Details

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)