Package org.apache.drill.exec.planner.types.decimal

Class DrillBaseComputeScalePrecision

java.lang.Object

org.apache.drill.exec.planner.types.decimal.DrillBaseComputeScalePrecision

Direct Known Subclasses:

DecimalScalePrecisionAddFunction, DecimalScalePrecisionDivideFunction, DecimalScalePrecisionModFunction, DecimalScalePrecisionMulFunction

public abstract class DrillBaseComputeScalePrecision
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	MAX_NUMERIC_PRECISION
protected int	outputPrecision
protected int	outputScale

Constructor Summary

Constructors

Constructor	Description
DrillBaseComputeScalePrecision(int leftPrecision, int leftScale, int rightPrecision, int rightScale)

Method Summary

Modifier and Type	Method	Description
protected void	adjustScaleAndPrecision()	Cuts down the fractional part if the current precision exceeds the maximum precision range.
abstract void	computeScalePrecision(int leftPrecision, int leftScale, int rightPrecision, int rightScale)
int	getOutputPrecision()
int	getOutputScale()

Methods inherited from class java.lang.Object

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

Field Details

MAX_NUMERIC_PRECISION

protected static final int MAX_NUMERIC_PRECISION

outputScale

protected int outputScale

outputPrecision

protected int outputPrecision

Constructor Details

DrillBaseComputeScalePrecision

public DrillBaseComputeScalePrecision(int leftPrecision,
 int leftScale,
 int rightPrecision,
 int rightScale)

Method Details

computeScalePrecision

public abstract void computeScalePrecision(int leftPrecision,
 int leftScale,
 int rightPrecision,
 int rightScale)

getOutputScale

public int getOutputScale()

getOutputPrecision

public int getOutputPrecision()

adjustScaleAndPrecision

protected void adjustScaleAndPrecision()

Cuts down the fractional part if the current precision exceeds the maximum precision range.