Package org.apache.calcite.interpreter

Class AggregateNode.MaxBoolean

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.MaxBoolean

Enclosing class:

AggregateNode

public static class AggregateNode.MaxBoolean
extends Object

Implementation of MAX function to calculate the maximum of boolean values as a user-defined aggregate.

Constructor Summary

Constructors

Constructor	Description
MaxBoolean()

Method Summary

Modifier and Type	Method	Description
Boolean	add(Boolean accumulator, Boolean value)
Boolean	init()
Boolean	merge(Boolean accumulator0, Boolean accumulator1)
Boolean	result(Boolean accumulator)

Methods inherited from class java.lang.Object

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

Constructor Details

MaxBoolean

public MaxBoolean()

Method Details

init

public Boolean init()

add

public Boolean add(Boolean accumulator,
 Boolean value)

merge

public Boolean merge(Boolean accumulator0,
 Boolean accumulator1)

result

public Boolean result(Boolean accumulator)