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

Class OrcOiBatchToRowReader

java.lang.Object

org.apache.hadoop.hive.ql.io.BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

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

All Implemented Interfaces:

Closeable, AutoCloseable, AcidInputFormat.AcidRecordReader<org.apache.hadoop.io.NullWritable,Object>, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,Object>

public class OrcOiBatchToRowReader
extends BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>
implements AcidInputFormat.AcidRecordReader<org.apache.hadoop.io.NullWritable,Object>

BatchToRowReader that returns the rows readable by ORC IOs.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.io.BatchToRowReader

BatchToRowReader.VirtualColumnHandler

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.io.BatchToRowReader

LOG, virtualColumnHandlers

Constructor Summary

Constructors

Constructor and Description
OrcOiBatchToRowReader(org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,VectorizedRowBatch> vrbReader, VectorizedRowBatchCtx vrbCtx, List<Integer> includedCols)

Method Summary

Modifier and Type	Method and Description
protected OrcStruct	createStructObject(Object previous, List<TypeInfo> childrenTypes)
protected org.apache.hadoop.hive.ql.io.orc.OrcUnion	createUnionObject(List<TypeInfo> childrenTypes, Object previous)
OrcRawRecordMerger.ReaderKey	getRecordIdentifier()
protected Object	getStructCol(OrcStruct structObj, int i)
protected int	getStructLength(OrcStruct structObj)
protected Object	getUnionField(org.apache.hadoop.hive.ql.io.orc.OrcUnion unionObj)
protected List<BatchToRowReader.VirtualColumnHandler>	requestedVirtualColumns()
protected void	setStructCol(OrcStruct structObj, int i, Object value)
protected void	setUnion(org.apache.hadoop.hive.ql.io.orc.OrcUnion unionObj, byte tag, Object object)

Methods inherited from class org.apache.hadoop.hive.ql.io.BatchToRowReader

close, createKey, createValue, getPos, getProgress, next, nextBinary, nextBoolean, nextByte, nextChar, nextDate, nextDecimal, nextDouble, nextFloat, nextInt, nextLong, nextShort, nextString, nextStruct, nextTimestamp, nextVarchar

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.RecordReader

close, createKey, createValue, getPos, getProgress, next

Constructor Detail

OrcOiBatchToRowReader

public OrcOiBatchToRowReader(org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,VectorizedRowBatch> vrbReader,
                             VectorizedRowBatchCtx vrbCtx,
                             List<Integer> includedCols)

Method Detail

requestedVirtualColumns

protected List<BatchToRowReader.VirtualColumnHandler> requestedVirtualColumns()

Specified by:

requestedVirtualColumns in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

createStructObject

protected OrcStruct createStructObject(Object previous,
                                       List<TypeInfo> childrenTypes)

Specified by:

createStructObject in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

getStructLength

protected int getStructLength(OrcStruct structObj)

Specified by:

getStructLength in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

createUnionObject

protected org.apache.hadoop.hive.ql.io.orc.OrcUnion createUnionObject(List<TypeInfo> childrenTypes,
                                                                      Object previous)

Specified by:

createUnionObject in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

setStructCol

protected void setStructCol(OrcStruct structObj,
                            int i,
                            Object value)

Specified by:

setStructCol in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

getStructCol

protected Object getStructCol(OrcStruct structObj,
                              int i)

Specified by:

getStructCol in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

getUnionField

protected Object getUnionField(org.apache.hadoop.hive.ql.io.orc.OrcUnion unionObj)

Specified by:

getUnionField in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

setUnion

protected void setUnion(org.apache.hadoop.hive.ql.io.orc.OrcUnion unionObj,
                        byte tag,
                        Object object)

Specified by:

setUnion in class BatchToRowReader<OrcStruct,org.apache.hadoop.hive.ql.io.orc.OrcUnion>

getRecordIdentifier

public OrcRawRecordMerger.ReaderKey getRecordIdentifier()

Specified by:

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