org.apache.hadoop.hive.ql.exec.vector

Class VectorExtractRow

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.VectorExtractRow

public class VectorExtractRow
extends Object

This class extracts specified VectorizedRowBatch row columns into writables. The caller provides the data types and projection column numbers of a subset of the columns to extract.

Constructor Summary

Constructors

Constructor and Description
VectorExtractRow()

Method Summary

Modifier and Type	Method and Description
void	extractRow(VectorizedRowBatch batch, int batchIndex, Object[] objects) Extract an row object from a VectorizedRowBatch at batchIndex.
Object	extractRowColumn(ColumnVector colVector, TypeInfo typeInfo, ObjectInspector objectInspector, int batchIndex)
int	getCount()
void	init(StructObjectInspector structObjectInspector, List<Integer> projectedColumns)
void	init(TypeInfo[] typeInfos)
void	init(TypeInfo[] typeInfos, int[] projectedColumns)

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorExtractRow

public VectorExtractRow()

Method Detail

init

public void init(StructObjectInspector structObjectInspector,
                 List<Integer> projectedColumns)
          throws HiveException

Throws:

HiveException

init

public void init(TypeInfo[] typeInfos,
                 int[] projectedColumns)
          throws HiveException

Throws:

HiveException

init

public void init(TypeInfo[] typeInfos)
          throws HiveException

Throws:

HiveException

getCount

public int getCount()

extractRowColumn

public Object extractRowColumn(ColumnVector colVector,
                               TypeInfo typeInfo,
                               ObjectInspector objectInspector,
                               int batchIndex)

extractRow

public void extractRow(VectorizedRowBatch batch,
                       int batchIndex,
                       Object[] objects)

Extract an row object from a VectorizedRowBatch at batchIndex.

Parameters:

batch -

batchIndex -

objects -