org.apache.hadoop.hive.ql.io
Class HiveSequenceFileOutputFormat

java.lang.Object
  extended by org.apache.hadoop.mapred.FileOutputFormat<K,V>
      extended by org.apache.hadoop.mapred.SequenceFileOutputFormat
          extended by org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
All Implemented Interfaces:
HiveOutputFormat<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>, org.apache.hadoop.mapred.OutputFormat

public class HiveSequenceFileOutputFormat
extends org.apache.hadoop.mapred.SequenceFileOutputFormat
implements HiveOutputFormat<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>

A HiveOutputFormat that writes SequenceFiles.


Constructor Summary
HiveSequenceFileOutputFormat()
           
 
Method Summary
 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
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

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<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>
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


Copyright © 2009 The Apache Software Foundation