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

java.lang.Object
  org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression
      org.apache.hadoop.hive.ql.exec.vector.expressions.VectorUDFDateAddColCol

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

VectorUDFDateSubColCol

public class VectorUDFDateAddColCol
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

protected boolean

isPositive

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

childExpressions, inputTypes, outputType

Constructor Summary

VectorUDFDateAddColCol()

VectorUDFDateAddColCol(int colNum1, int colNum2, int outputColumn)

Method Summary

void	evaluate(VectorizedRowBatch batch) This is the primary method to implement expression logic.
protected byte[]	evaluateDate(ColumnVector columnVector, int index, long numDays)
protected void	evaluateString(BytesColumnVector inputColumnVector1, LongColumnVector inputColumnVector2, BytesColumnVector outputVector, int i)
protected byte[]	evaluateTimestamp(ColumnVector columnVector, int index, long numDays)
int	getColNum1()
int	getColNum2()
VectorExpressionDescriptor.Descriptor	getDescriptor()
int	getOutputColumn() Returns the index of the output column in the array of column vectors.
String	getOutputType() Returns type of the output column.
void	setColNum1(int colNum1)
void	setColNum2(int colNum2)
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

VectorUDFDateAddColCol

public VectorUDFDateAddColCol(int colNum1,
                              int colNum2,
                              int outputColumn)

VectorUDFDateAddColCol

public VectorUDFDateAddColCol()

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

evaluateDate

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

evaluateTimestamp

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

evaluateString

protected void evaluateString(BytesColumnVector inputColumnVector1,
                              LongColumnVector inputColumnVector2,
                              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

getColNum1

public int getColNum1()

setColNum1

public void setColNum1(int colNum1)

getColNum2

public int getColNum2()

setColNum2

public void setColNum2(int colNum2)

setOutputColumn

public void setOutputColumn(int outputColumn)

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression