org.apache.calcite.interpreter

Class AggregateNode.MinBoolean

java.lang.Object

org.apache.calcite.interpreter.AggregateNode.MinBoolean

Enclosing class:

AggregateNode

public static class AggregateNode.MinBoolean
extends Object

Implementation of MIN function to calculate the minimum of boolean values as a user-defined aggregate.

Constructor Summary

Constructors

Constructor and Description
MinBoolean()

Method Summary

Modifier and Type	Method and 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 Detail

MinBoolean

public MinBoolean()

Method Detail

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)