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

Class VectorColumnMapping

java.lang.Object

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

Direct Known Subclasses:

VectorColumnOutputMapping, VectorColumnSourceMapping

public abstract class VectorColumnMapping
extends Object

This class collects column information for copying a row from one VectorizedRowBatch to same/another batch.

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	outputColumns
protected int[]	sourceColumns
protected String[]	typeNames
protected VectorColumnOrderedMap	vectorColumnMapping

Constructor Summary

Constructors

Constructor and Description
VectorColumnMapping(String name)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	add(int sourceColumn, int outputColumn, String typeName)
abstract void	finalize()
int	getCount()
int[]	getInputColumns()
int[]	getOutputColumns()
String[]	getTypeNames()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

sourceColumns

protected int[] sourceColumns

outputColumns

protected int[] outputColumns

typeNames

protected String[] typeNames

vectorColumnMapping

protected VectorColumnOrderedMap vectorColumnMapping

Constructor Detail

VectorColumnMapping

public VectorColumnMapping(String name)

Method Detail

add

public abstract void add(int sourceColumn,
       int outputColumn,
       String typeName)

finalize

public abstract void finalize()

Overrides:

finalize in class Object

getCount

public int getCount()

getInputColumns

public int[] getInputColumns()

getOutputColumns

public int[] getOutputColumns()

getTypeNames

public String[] getTypeNames()

toString

public String toString()

Overrides:

toString in class Object