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

public class FuncPowerDoubleToDouble
extends MathFuncDoubleToDouble

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

See Also:

Serialized Form

Field Summary

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

childExpressions, inputColumnNum, inputDataTypePhysicalVariations, inputTypeInfos, LOG, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo

Constructor Summary

Constructors

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

Method Summary

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()

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

evaluate, vectorExpressionParameters

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

displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getChildExpressionsForTransientInit, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, shouldConvertDecimal64ToDecimal, supportsCheckedExecution, toString, transientInit

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 outputColumnNum)

FuncPowerDoubleToDouble

public FuncPowerDoubleToDouble()

Method Detail

func

public double func(double d)

Specified by:

func in class MathFuncDoubleToDouble

getPower

public double getPower()

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