org.apache.calcite.util

类 Smalls.MySum3

java.lang.Object

org.apache.calcite.util.Smalls.MySum3

封闭类:

Smalls

public static class Smalls.MySum3
extends Object

Example of a user-defined aggregate function that implements a generic interface.

构造器概要

构造器

构造器和说明
MySum3()

方法概要

限定符和类型	方法和说明
Integer	add(Integer accumulator, Integer val)
Integer	init()
Integer	merge(Integer accumulator1, Integer accumulator2)
Integer	result(Integer 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

MySum3

public MySum3()

方法详细资料

init

public Integer init()

add

public Integer add(Integer accumulator,
                   Integer val)

merge

public Integer merge(Integer accumulator1,
                     Integer accumulator2)

result

public Integer result(Integer accumulator)