Package org.apache.drill.common.expression

Class TypedNullConstant

java.lang.Object

org.apache.drill.common.expression.LogicalExpressionBase

org.apache.drill.common.expression.TypedNullConstant

All Implemented Interfaces:

Iterable<LogicalExpression>, LogicalExpression

public class TypedNullConstant
extends LogicalExpressionBase

Nested Class Summary

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

LogicalExpression.De, LogicalExpression.Se

Constructor Summary

Constructors

Constructor	Description
TypedNullConstant(TypeProtos.MajorType type)

Method Summary

Modifier and Type	Method	Description
<T, V, E extends Exception> T	accept(ExprVisitor<T,V,E> visitor, V value)
TypeProtos.MajorType	getMajorType()
Iterator<LogicalExpression>	iterator()

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

getCumulativeCost, getDescription, getPosition, getSelfCost, i

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

TypedNullConstant

public TypedNullConstant(TypeProtos.MajorType type)

Method Details

getMajorType

public TypeProtos.MajorType getMajorType()

Specified by:

getMajorType in interface LogicalExpression

Overrides:

getMajorType in class LogicalExpressionBase

accept

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

Throws:

E extends Exception

iterator

public Iterator<LogicalExpression> iterator()