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

Class VectorUDFDateAddColScalar

java.lang.Object

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

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

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

VectorUDFDateSubColScalar

public class VectorUDFDateAddColScalar
extends VectorExpression

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

VectorExpression.Type

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isPositive

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

childExpressions, inputTypes, outputType

Constructor Summary

Constructors

Constructor and Description
VectorUDFDateAddColScalar()
VectorUDFDateAddColScalar(int colNum, long numDays, int outputColumn)

Method Summary

Methods

Modifier and Type	Method and Description
void	evaluate(VectorizedRowBatch batch) This is the primary method to implement expression logic.
protected byte[]	evaluateDate(ColumnVector columnVector, int index)
protected void	evaluateString(ColumnVector columnVector, BytesColumnVector outputVector, int i)
protected byte[]	evaluateTimestamp(ColumnVector columnVector, int index)
int	getColNum()
VectorExpressionDescriptor.Descriptor	getDescriptor()
int	getNumDays()
int	getOutputColumn() Returns the index of the output column in the array of column vectors.
String	getOutputType() Returns type of the output column.
void	setColNum(int colNum)
void	setNumDay(int numDays)
void	setOutputColumn(int outputColumn)

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

evaluateChildren, getChildExpressions, getInputTypes, setChildExpressions, setInputTypes, setOutputType, toString

Methods inherited from class java.lang.Object

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

Field Detail

isPositive

protected boolean isPositive

Constructor Detail

VectorUDFDateAddColScalar

public VectorUDFDateAddColScalar(int colNum,
                         long numDays,
                         int outputColumn)

VectorUDFDateAddColScalar

public VectorUDFDateAddColScalar()

Method Detail

evaluate

public void evaluate(VectorizedRowBatch batch)

Description copied from class: VectorExpression

This is the primary method to implement expression logic.

Specified by:

evaluate in class VectorExpression

evaluateTimestamp

protected byte[] evaluateTimestamp(ColumnVector columnVector,
                       int index)

evaluateDate

protected byte[] evaluateDate(ColumnVector columnVector,
                  int index)

evaluateString

protected void evaluateString(ColumnVector columnVector,
                  BytesColumnVector outputVector,
                  int i)

getOutputColumn

public int getOutputColumn()

Description copied from class: VectorExpression

Returns the index of the output column in the array of column vectors. If not applicable, -1 is returned.

Specified by:

getOutputColumn in class VectorExpression

Returns:

Index of the output column

getOutputType

public String getOutputType()

Description copied from class: VectorExpression

Returns type of the output column.

Overrides:

getOutputType in class VectorExpression

getColNum

public int getColNum()

setColNum

public void setColNum(int colNum)

setOutputColumn

public void setOutputColumn(int outputColumn)

getNumDays

public int getNumDays()

setNumDay

public void setNumDay(int numDays)

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression