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:

Serializable, Node

public class ExprNodeNullDesc
extends ExprNodeDesc
implements 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

ExprNodeNullDesc()

Method Summary

ExprNodeDesc	clone()
String	getExprString()
Object	getValue()
boolean	isSame(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, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExprNodeNullDesc

public ExprNodeNullDesc()

Method Detail

getValue

public Object getValue()

getExprString

public String getExprString()

Overrides:

getExprString in class ExprNodeDesc

clone

public ExprNodeDesc clone()

Specified by:

clone in class ExprNodeDesc

isSame

public boolean isSame(Object o)

Specified by:

isSame in class ExprNodeDesc