org.apache.drill.exec.expr

Class DrillFuncHolderExpr

java.lang.Object

org.apache.drill.common.expression.LogicalExpressionBase

org.apache.drill.common.expression.FunctionHolderExpression

org.apache.drill.exec.expr.DrillFuncHolderExpr

All Implemented Interfaces:

Iterable<LogicalExpression>, LogicalExpression

public class DrillFuncHolderExpr
extends FunctionHolderExpression
implements Iterable<LogicalExpression>

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.common.expression.LogicalExpression

LogicalExpression.De, LogicalExpression.Se

Field Summary

Fields inherited from class org.apache.drill.common.expression.FunctionHolderExpression

args, nameUsed

Constructor Summary

Constructors

Constructor and Description
DrillFuncHolderExpr(String nameUsed, DrillFuncHolder holder, List<LogicalExpression> args, ExpressionPosition pos)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	argConstantOnly(int i)
DrillFuncHolderExpr	copy(List<LogicalExpression> args)
int	getCumulativeCost()
DrillFuncHolder	getHolder()
DrillSimpleFunc	getInterpreter()
TypeProtos.MajorType	getMajorType()
int	getSelfCost()
boolean	isAggregating()
boolean	isRandom()
Iterator<LogicalExpression>	iterator()
void	setInterpreter(DrillSimpleFunc interpreter)

Methods inherited from class org.apache.drill.common.expression.FunctionHolderExpression

accept, getFieldReference, getFieldReference, getName

Methods inherited from class org.apache.drill.common.expression.LogicalExpressionBase

getDescription, getPosition, i

Methods inherited from class java.lang.Object

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

Constructor Detail

DrillFuncHolderExpr

public DrillFuncHolderExpr(String nameUsed,
                   DrillFuncHolder holder,
                   List<LogicalExpression> args,
                   ExpressionPosition pos)

Method Detail

getMajorType

public TypeProtos.MajorType getMajorType()

Specified by:

getMajorType in interface LogicalExpression

Overrides:

getMajorType in class LogicalExpressionBase

iterator

public Iterator<LogicalExpression> iterator()

Specified by:

iterator in interface Iterable<LogicalExpression>

getHolder

public DrillFuncHolder getHolder()

Specified by:

getHolder in class FunctionHolderExpression

isAggregating

public boolean isAggregating()

Specified by:

isAggregating in class FunctionHolderExpression

isRandom

public boolean isRandom()

Specified by:

isRandom in class FunctionHolderExpression

argConstantOnly

public boolean argConstantOnly(int i)

Specified by:

argConstantOnly in class FunctionHolderExpression

getSelfCost

public int getSelfCost()

Specified by:

getSelfCost in interface LogicalExpression

Overrides:

getSelfCost in class LogicalExpressionBase

getCumulativeCost

public int getCumulativeCost()

Specified by:

getCumulativeCost in interface LogicalExpression

Overrides:

getCumulativeCost in class LogicalExpressionBase

copy

public DrillFuncHolderExpr copy(List<LogicalExpression> args)

Specified by:

copy in class FunctionHolderExpression

setInterpreter

public void setInterpreter(DrillSimpleFunc interpreter)

getInterpreter

public DrillSimpleFunc getInterpreter()