Package org.apache.drill.exec.udfs

Class DistributionFunctions.PercentChangeFunction

java.lang.Object

org.apache.drill.exec.udfs.DistributionFunctions.PercentChangeFunction

All Implemented Interfaces:

DrillFunc, DrillSimpleFunc

Enclosing class:

DistributionFunctions

public static class DistributionFunctions.PercentChangeFunction
extends Object
implements DrillSimpleFunc

This UDF calculates the percent change between two numeric columns.

Constructor Summary

Constructors

Constructor	Description
PercentChangeFunction()

Method Summary

Modifier and Type	Method	Description
void	eval()
void	setup()

Methods inherited from class java.lang.Object

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

Constructor Details

PercentChangeFunction

public PercentChangeFunction()

Method Details

setup

public void setup()

Specified by:

setup in interface DrillSimpleFunc

eval

public void eval()

Specified by:

eval in interface DrillSimpleFunc