Package org.apache.drill.exec.udfs

Class StringDistanceFunctions

java.lang.Object

org.apache.drill.exec.udfs.StringDistanceFunctions

public class StringDistanceFunctions
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StringDistanceFunctions.CosineDistanceFunction	This function calculates the cosine distance between two strings.
static class	StringDistanceFunctions.FuzzyScoreFunction	This function calculates the cosine distance between two strings.
static class	StringDistanceFunctions.HammingDistanceFunction	The hamming distance between two strings of equal length is the number of positions at which the corresponding symbols are different.
static class	StringDistanceFunctions.JaccardDistanceFunction	Measures the Jaccard distance of two sets of character sequence.
static class	StringDistanceFunctions.JaroDistanceFunction	A similarity algorithm indicating the percentage of matched characters between two character sequences.
static class	StringDistanceFunctions.LevenstheinDistanceFunction	An algorithm for measuring the difference between two character sequences.
static class	StringDistanceFunctions.LongestCommonSubstringDistanceFunction	The Longest common subsequence algorithm returns the length of the longest subsequence that two strings have in common.

Constructor Summary

Constructors

Constructor	Description
StringDistanceFunctions()

Method Summary

Methods inherited from class java.lang.Object

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

Constructor Details

StringDistanceFunctions

public StringDistanceFunctions()