com.github.aaronshan.functions.string

类 UDFStringLevenshteinDistance

java.lang.Object

org.apache.hadoop.hive.ql.exec.UDF

com.github.aaronshan.functions.string.UDFStringLevenshteinDistance

public class UDFStringLevenshteinDistance
extends org.apache.hadoop.hive.ql.exec.UDF

作者:

ruifeng.shan date: 2018-07-26 time: 23:53

构造器概要

构造器

构造器和说明
UDFStringLevenshteinDistance()

方法概要

限定符和类型	方法和说明
org.apache.hadoop.io.LongWritable	evaluate(org.apache.hadoop.io.Text leftText, org.apache.hadoop.io.Text rightText) Levenshtein distance.

从类继承的方法 org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

从类继承的方法 java.lang.Object

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

构造器详细资料

UDFStringLevenshteinDistance

public UDFStringLevenshteinDistance()

方法详细资料

evaluate

public org.apache.hadoop.io.LongWritable evaluate(org.apache.hadoop.io.Text leftText,
                                                  org.apache.hadoop.io.Text rightText)
                                           throws org.apache.hadoop.hive.ql.metadata.HiveException

Levenshtein distance.

参数:

leftText - left string

rightText - right string

返回:

Levenshtein distance

抛出:

org.apache.hadoop.hive.ql.metadata.HiveException - hive exception