org.apache.hadoop.hive.ql.plan

Class ExprNodeNullDesc

java.lang.Object

org.apache.hadoop.hive.ql.plan.ExprNodeDesc

org.apache.hadoop.hive.ql.plan.ExprNodeNullDesc

All Implemented Interfaces:

java.io.Serializable, Node

public class ExprNodeNullDesc
extends ExprNodeDesc
implements java.io.Serializable

ExprNodeNullDesc.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.plan.ExprNodeDesc

ExprNodeDesc.ExprNodeDescEqualityWrapper

Constructor Summary

Constructors

Constructor and Description
ExprNodeNullDesc()

Method Summary

Modifier and Type	Method and Description
ExprNodeDesc	clone()
java.lang.String	getExprString()
java.lang.Object	getValue()
boolean	isSame(java.lang.Object o)

Methods inherited from class org.apache.hadoop.hive.ql.plan.ExprNodeDesc

getChildren, getCols, getName, getTypeInfo, getTypeString, getWritableObjectInspector, hashCode, setTypeInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprNodeNullDesc

public ExprNodeNullDesc()

Method Detail

getValue

public java.lang.Object getValue()

getExprString

public java.lang.String getExprString()

Overrides:

getExprString in class ExprNodeDesc

clone

public ExprNodeDesc clone()

Specified by:

clone in class ExprNodeDesc

isSame

public boolean isSame(java.lang.Object o)

Specified by:

isSame in class ExprNodeDesc