org.apache.hadoop.hive.ql.io.orc

Class OrcInputFormat.NullKeyRecordReader

java.lang.Object

org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.NullKeyRecordReader

All Implemented Interfaces:

AcidInputFormat.AcidRecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Enclosing class:

OrcInputFormat

public static final class OrcInputFormat.NullKeyRecordReader
extends Object
implements AcidInputFormat.AcidRecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Return a RecordReader that is compatible with the Hive 0.12 reader with NullWritable for the key instead of RecordIdentifier.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.NullWritable	createKey()
OrcStruct	createValue()
long	getPos()
float	getProgress()
RecordIdentifier	getRecordIdentifier()
boolean	next(org.apache.hadoop.io.NullWritable nullWritable, OrcStruct orcStruct)

Methods inherited from class java.lang.Object

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

Method Detail

getRecordIdentifier

public RecordIdentifier getRecordIdentifier()

Specified by:

getRecordIdentifier in interface AcidInputFormat.AcidRecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

next

public boolean next(org.apache.hadoop.io.NullWritable nullWritable,
           OrcStruct orcStruct)
             throws IOException

Specified by:

next in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Throws:

IOException

createKey

public org.apache.hadoop.io.NullWritable createKey()

Specified by:

createKey in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

createValue

public OrcStruct createValue()

Specified by:

createValue in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

getPos

public long getPos()
            throws IOException

Specified by:

getPos in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException

Specified by:

getProgress in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,OrcStruct>

Throws:

IOException