org.apache.hadoop.hive.ql.udf

Class UDFSubstr

java.lang.Object

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

org.apache.hadoop.hive.ql.udf.UDFSubstr

All Implemented Interfaces:

StatEstimatorProvider

public class UDFSubstr
extends UDF
implements StatEstimatorProvider

UDFSubstr.

Constructor Summary

Constructors

Constructor and Description
UDFSubstr()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.io.BytesWritable	evaluate(org.apache.hadoop.io.BytesWritable bw, org.apache.hadoop.io.IntWritable pos)
org.apache.hadoop.io.BytesWritable	evaluate(org.apache.hadoop.io.BytesWritable bw, org.apache.hadoop.io.IntWritable pos, org.apache.hadoop.io.IntWritable len)
org.apache.hadoop.io.BytesWritable	evaluate(org.apache.hadoop.io.BytesWritable bw, org.apache.hadoop.io.LongWritable pos)
org.apache.hadoop.io.BytesWritable	evaluate(org.apache.hadoop.io.BytesWritable bw, org.apache.hadoop.io.LongWritable pos, org.apache.hadoop.io.LongWritable len)
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.Text s, org.apache.hadoop.io.IntWritable pos)
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.Text t, org.apache.hadoop.io.IntWritable pos, org.apache.hadoop.io.IntWritable len)
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.Text s, org.apache.hadoop.io.LongWritable pos)
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.Text t, org.apache.hadoop.io.LongWritable pos, org.apache.hadoop.io.LongWritable len)
StatEstimator	getStatEstimator() Returns the StatEstimator for the given UDF instance.

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

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

Constructor Detail

UDFSubstr

public UDFSubstr()

Method Detail

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.Text t,
                                          org.apache.hadoop.io.LongWritable pos,
                                          org.apache.hadoop.io.LongWritable len)

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.Text t,
                                          org.apache.hadoop.io.IntWritable pos,
                                          org.apache.hadoop.io.IntWritable len)

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.Text s,
                                          org.apache.hadoop.io.IntWritable pos)

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.Text s,
                                          org.apache.hadoop.io.LongWritable pos)

evaluate

public org.apache.hadoop.io.BytesWritable evaluate(org.apache.hadoop.io.BytesWritable bw,
                                                   org.apache.hadoop.io.LongWritable pos,
                                                   org.apache.hadoop.io.LongWritable len)

evaluate

public org.apache.hadoop.io.BytesWritable evaluate(org.apache.hadoop.io.BytesWritable bw,
                                                   org.apache.hadoop.io.IntWritable pos,
                                                   org.apache.hadoop.io.IntWritable len)

evaluate

public org.apache.hadoop.io.BytesWritable evaluate(org.apache.hadoop.io.BytesWritable bw,
                                                   org.apache.hadoop.io.IntWritable pos)

evaluate

public org.apache.hadoop.io.BytesWritable evaluate(org.apache.hadoop.io.BytesWritable bw,
                                                   org.apache.hadoop.io.LongWritable pos)

getStatEstimator

public StatEstimator getStatEstimator()

Description copied from interface: StatEstimatorProvider

Returns the StatEstimator for the given UDF instance.

Specified by:

getStatEstimator in interface StatEstimatorProvider