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

Class FuncPowerDoubleToDouble

java.lang.Object

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

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

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

All Implemented Interfaces:

Serializable, ISetDoubleArg

public class FuncPowerDoubleToDouble
extends MathFuncDoubleToDouble
implements ISetDoubleArg

Vectorized implementation for Pow(a, power) and Power(a, power)

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

Constructors

Constructor and Description
FuncPowerDoubleToDouble()
FuncPowerDoubleToDouble(int colNum, double power, int outputColumn)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	cleanup(DoubleColumnVector outputColVector, int[] sel, boolean selectedInUse, int n)
double	func(double d)
VectorExpressionDescriptor.Descriptor	getDescriptor()
double	getPower()
void	setArg(double d)
void	setPower(double power)

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

evaluate, getColNum, getOutputColumn, getOutputType, setColNum, setOutputColumn

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

FuncPowerDoubleToDouble

public FuncPowerDoubleToDouble(int colNum,
                       double power,
                       int outputColumn)

FuncPowerDoubleToDouble

public FuncPowerDoubleToDouble()

Method Detail

func

public double func(double d)

Specified by:

func in class MathFuncDoubleToDouble

getPower

public double getPower()

setPower

public void setPower(double power)

setArg

public void setArg(double d)

Specified by:

setArg in interface ISetDoubleArg

cleanup

protected void cleanup(DoubleColumnVector outputColVector,
           int[] sel,
           boolean selectedInUse,
           int n)

Overrides:

cleanup in class MathFuncDoubleToDouble

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression