org.apache.drill.exec.expr.fn.impl

Class StringDistanceFunctions.CosineDistanceFunction

java.lang.Object

org.apache.drill.exec.expr.fn.impl.StringDistanceFunctions.CosineDistanceFunction

All Implemented Interfaces:

DrillFunc, DrillSimpleFunc

Enclosing class:

StringDistanceFunctions

public static class StringDistanceFunctions.CosineDistanceFunction
extends Object
implements DrillSimpleFunc

This function calculates the cosine distance between two strings. Usage: SELECT cosine_distance( string1, string2 ) AS cosine_distance FROM...

Constructor Summary

Constructors

Constructor and Description
CosineDistanceFunction()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

CosineDistanceFunction

public CosineDistanceFunction()

Method Detail

setup

public void setup()

Specified by:

setup in interface DrillSimpleFunc

eval

public void eval()

Specified by:

eval in interface DrillSimpleFunc