org.apache.drill.exec.physical.impl.project

Class OutputWidthExpression.FunctionCallExpr

java.lang.Object

org.apache.drill.exec.physical.impl.project.OutputWidthExpression

org.apache.drill.exec.physical.impl.project.OutputWidthExpression.FunctionCallExpr

Enclosing class:

OutputWidthExpression

public static class OutputWidthExpression.FunctionCallExpr
extends OutputWidthExpression

FunctionCallExpr captures the details required to calculate the width of the output produced by a function that produces variable-width output. It captures the OutputWidthCalculator for the function and the arguments.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.physical.impl.project.OutputWidthExpression

OutputWidthExpression.FixedLenExpr, OutputWidthExpression.FunctionCallExpr, OutputWidthExpression.IfElseWidthExpr, OutputWidthExpression.VarLenReadExpr

Constructor Summary

Constructors

Constructor and Description
FunctionCallExpr(FunctionHolderExpression holder, OutputWidthCalculator widthCalculator, ArrayList<OutputWidthExpression> args)

Method Summary

Modifier and Type	Method and Description
<T,V,E extends Exception> T	accept(AbstractExecExprVisitor<T,V,E> visitor, V value)
ArrayList<OutputWidthExpression>	getArgs()
OutputWidthCalculator	getCalculator()
FunctionHolderExpression	getHolder()

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionCallExpr

public FunctionCallExpr(FunctionHolderExpression holder,
                        OutputWidthCalculator widthCalculator,
                        ArrayList<OutputWidthExpression> args)

Method Detail

getHolder

public FunctionHolderExpression getHolder()

getArgs

public ArrayList<OutputWidthExpression> getArgs()

getCalculator

public OutputWidthCalculator getCalculator()

accept

public <T,V,E extends Exception> T accept(AbstractExecExprVisitor<T,V,E> visitor,
                                          V value)
                                   throws E extends Exception

Throws:

E extends Exception