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

Class VectorAssignRow

java.lang.Object

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

Direct Known Subclasses:

VectorAssignRowDynBatch, VectorAssignRowSameBatch

public abstract class VectorAssignRow
extends Object

This class assigns specified columns of a row from a Writable row Object[]. The caller provides the hive type names and target column numbers in the order desired to assign from the Writable row Object[]. This class is abstract to allow the subclasses to control batch reuse.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	VectorAssignRow.Assigner
protected class	VectorAssignRow.BooleanAssigner
protected class	VectorAssignRow.ByteAssigner

Constructor Summary

Constructors

Constructor and Description
VectorAssignRow()

Method Summary

Methods

Modifier and Type	Method and Description
void	assignRow(int batchIndex, Object[] objects)
void	assignRowColumn(int batchIndex, int logicalColumnIndex, Object object)
protected void	forgetBatch()
void	init(List<String> typeNames)
void	init(StructObjectInspector structObjectInspector, List<Integer> projectedColumns)
protected void	setBatch(VectorizedRowBatch batch)

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorAssignRow

public VectorAssignRow()

Method Detail

init

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

Throws:

HiveException

init

public void init(List<String> typeNames)
          throws HiveException

Throws:

HiveException

setBatch

protected void setBatch(VectorizedRowBatch batch)
                 throws HiveException

Throws:

HiveException

forgetBatch

protected void forgetBatch()

assignRowColumn

public void assignRowColumn(int batchIndex,
                   int logicalColumnIndex,
                   Object object)

assignRow

public void assignRow(int batchIndex,
             Object[] objects)