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

Class VectorColumnSetInfo

java.lang.Object

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

Direct Known Subclasses:

VectorGroupKeyHelper, VectorHashKeyWrapperBatch

public class VectorColumnSetInfo
extends Object

Class to keep information on a set of typed vector columns. Used by other classes to efficiently access the set of columns.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	VectorColumnSetInfo.KeyLookupHelper Helper class for looking up a key value based on key index.

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	decimalIndices indices of decimal primitive keys.
protected int	decimalIndicesIndex
protected int[]	doubleIndices indices of DOUBLE primitive keys.
protected int	doubleIndicesIndex
protected VectorColumnSetInfo.KeyLookupHelper[]	indexLookup Lookup vector to map from key index to primitive type index.
protected int[]	longIndices indices of LONG primitive keys.
protected int	longIndicesIndex
protected int[]	stringIndices indices of string (byte[]) primitive keys.
protected int	stringIndicesIndex

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VectorColumnSetInfo(int keyCount)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addKey(String outputType)
protected void	finishAdding()

Methods inherited from class java.lang.Object

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

Field Detail

longIndices

protected int[] longIndices

indices of LONG primitive keys.

doubleIndices

protected int[] doubleIndices

indices of DOUBLE primitive keys.

stringIndices

protected int[] stringIndices

indices of string (byte[]) primitive keys.

decimalIndices

protected int[] decimalIndices

indices of decimal primitive keys.

indexLookup

protected VectorColumnSetInfo.KeyLookupHelper[] indexLookup

Lookup vector to map from key index to primitive type index.

longIndicesIndex

protected int longIndicesIndex

doubleIndicesIndex

protected int doubleIndicesIndex

stringIndicesIndex

protected int stringIndicesIndex

decimalIndicesIndex

protected int decimalIndicesIndex

Constructor Detail

VectorColumnSetInfo

protected VectorColumnSetInfo(int keyCount)

Method Detail

addKey

protected void addKey(String outputType)
               throws HiveException

Throws:

HiveException

finishAdding

protected void finishAdding()