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

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

All Implemented Interfaces:

Serializable

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

childExpressions, inputTypes, outputType

Constructor Summary

VectorUDFDateDiffColScalar()

VectorUDFDateDiffColScalar(int colNum, Object object, int outputColumn)

Method Summary

void	evaluate(VectorizedRowBatch batch) This is the primary method to implement expression logic.
protected int	evaluateDate(ColumnVector columnVector, int index)
protected void	evaluateString(ColumnVector columnVector, LongColumnVector output, int i)
protected int	evaluateTimestamp(ColumnVector columnVector, int index)
int	getColNum()
VectorExpressionDescriptor.Descriptor	getDescriptor()
long	getLongValue()
int	getOutputColumn() Returns the index of the output column in the array of column vectors.
String	getOutputType() Returns type of the output column.
byte[]	getStringValue()
void	setColNum(int colNum)
void	setLongValue(int longValue)
void	setOutputColumn(int outputColumn)
void	setStringValue(byte[] stringValue)

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

Constructor Detail

VectorUDFDateDiffColScalar

public VectorUDFDateDiffColScalar(int colNum,
                                  Object object,
                                  int outputColumn)

VectorUDFDateDiffColScalar

public VectorUDFDateDiffColScalar()

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 int evaluateTimestamp(ColumnVector columnVector,
                                int index)

evaluateDate

protected int evaluateDate(ColumnVector columnVector,
                           int index)

evaluateString

protected void evaluateString(ColumnVector columnVector,
                              LongColumnVector output,
                              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)

getLongValue

public long getLongValue()

setLongValue

public void setLongValue(int longValue)

getStringValue

public byte[] getStringValue()

setStringValue

public void setStringValue(byte[] stringValue)

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression