Package org.apache.drill.exec.expr.fn.output

Class DecimalReturnTypeInference.DecimalModScaleReturnTypeInference

java.lang.Object

org.apache.drill.exec.expr.fn.output.DecimalReturnTypeInference.DecimalModScaleReturnTypeInference

All Implemented Interfaces:

ReturnTypeInference

Enclosing class:

DecimalReturnTypeInference

public static class DecimalReturnTypeInference.DecimalModScaleReturnTypeInference
extends Object
implements ReturnTypeInference

Return type calculation implementation for functions with return type set as FunctionTemplate.ReturnType.DECIMAL_MOD_SCALE.

Field Summary

Fields

Modifier and Type	Field	Description
static final DecimalReturnTypeInference.DecimalModScaleReturnTypeInference	INSTANCE

Constructor Summary

Constructors

Constructor	Description
DecimalModScaleReturnTypeInference()

Method Summary

Modifier and Type	Method	Description
TypeProtos.MajorType	getType(List<LogicalExpression> logicalExpressions, FunctionAttributes attributes)	Return type is used by divide functions for decimal data type.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final DecimalReturnTypeInference.DecimalModScaleReturnTypeInference INSTANCE

Constructor Details

DecimalModScaleReturnTypeInference

public DecimalModScaleReturnTypeInference()

Method Details

getType

public TypeProtos.MajorType getType(List<LogicalExpression> logicalExpressions,
 FunctionAttributes attributes)

Return type is used by divide functions for decimal data type. DecimalScalePrecisionDivideFunction is used to compute the output types' scale and precision.

Specified by:

getType in interface ReturnTypeInference

Parameters:

logicalExpressions - logical expressions

attributes - function attributes

Returns:

return type