org.apache.hadoop.hive.ql.io

Class HiveSequenceFileOutputFormat<K,V>

java.lang.Object

org.apache.hadoop.mapred.FileOutputFormat<K,V>

org.apache.hadoop.mapred.SequenceFileOutputFormat<K,V>

org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat<K,V>

All Implemented Interfaces:

HiveOutputFormat<K,V>, org.apache.hadoop.mapred.OutputFormat<K,V>

Direct Known Subclasses:

PTFRowContainer.PTFHiveSequenceFileOutputFormat

public class HiveSequenceFileOutputFormat<K,V>
extends org.apache.hadoop.mapred.SequenceFileOutputFormat<K,V>
implements HiveOutputFormat<K,V>

A HiveOutputFormat that writes SequenceFiles.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapred.FileOutputFormat

org.apache.hadoop.mapred.FileOutputFormat.Counter

Constructor Summary

Constructors

Constructor and Description
HiveSequenceFileOutputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
FileSinkOperator.RecordWriter	getHiveRecordWriter(org.apache.hadoop.mapred.JobConf jc, org.apache.hadoop.fs.Path finalOutPath, Class<? extends org.apache.hadoop.io.Writable> valueClass, boolean isCompressed, Properties tableProperties, org.apache.hadoop.util.Progressable progress) create the final out file, and output an empty key as the key.

Methods inherited from class org.apache.hadoop.mapred.SequenceFileOutputFormat

getOutputCompressionType, getReaders, getRecordWriter, setOutputCompressionType

Methods inherited from class org.apache.hadoop.mapred.FileOutputFormat

checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath, setWorkOutputPath

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.mapred.OutputFormat

checkOutputSpecs, getRecordWriter

Constructor Detail

HiveSequenceFileOutputFormat

public HiveSequenceFileOutputFormat()

Method Detail

getHiveRecordWriter

public FileSinkOperator.RecordWriter getHiveRecordWriter(org.apache.hadoop.mapred.JobConf jc,
                                                org.apache.hadoop.fs.Path finalOutPath,
                                                Class<? extends org.apache.hadoop.io.Writable> valueClass,
                                                boolean isCompressed,
                                                Properties tableProperties,
                                                org.apache.hadoop.util.Progressable progress)
                                                  throws IOException

create the final out file, and output an empty key as the key.

Specified by:

getHiveRecordWriter in interface HiveOutputFormat<K,V>

Parameters:

jc - the job configuration file

finalOutPath - the final output file to be created

valueClass - the value class used for create

isCompressed - whether the content is compressed or not

tableProperties - the tableInfo of this file's corresponding table

progress - progress used for status report

Returns:

the RecordWriter for the output file

Throws:

IOException