StringDistanceFunctions.CosineDistanceFunction (Drill : 1.21.2-SNAPSHOT API)

java.lang.Object

org.apache.drill.exec.udfs.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

Description

CosineDistanceFunction()
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
- CosineDistanceFunction
  
  public CosineDistanceFunction()
Method Details
- setup
  
  public void setup()
  
  Specified by:
  
  setup in interface DrillSimpleFunc
- eval
  
  public void eval()
  
  Specified by:
  
  eval in interface DrillSimpleFunc