org.apache.hadoop.hive.ql.plan
Class ExprNodeColumnListDesc

java.lang.Object
  org.apache.hadoop.hive.ql.plan.ExprNodeDesc
      org.apache.hadoop.hive.ql.plan.ExprNodeColumnListDesc

All Implemented Interfaces:

Serializable, Node

public class ExprNodeColumnListDesc
extends ExprNodeDesc

Dummy desc only for populating TOK_ALLCOLREF and should not be used outside of TypeCheckProcFactory

See Also:

Serialized Form

Nested Class Summary

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

ExprNodeDesc.ExprNodeDescEqualityWrapper

Constructor Summary

ExprNodeColumnListDesc()

Method Summary

void	addColumn(ExprNodeColumnDesc column)
ExprNodeDesc	clone()
List<ExprNodeDesc>	getChildren() Gets the vector of children nodes.
List<String>	getCols()
TypeInfo	getTypeInfo()
String	getTypeString()
ObjectInspector	getWritableObjectInspector()
boolean	isSame(Object o)
void	setTypeInfo(TypeInfo typeInfo)

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

getExprString, getName, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprNodeColumnListDesc

public ExprNodeColumnListDesc()

Method Detail

addColumn

public void addColumn(ExprNodeColumnDesc column)

clone

public ExprNodeDesc clone()

Specified by:

clone in class ExprNodeDesc

isSame

public boolean isSame(Object o)

Specified by:

isSame in class ExprNodeDesc

getTypeInfo

public TypeInfo getTypeInfo()

Overrides:

getTypeInfo in class ExprNodeDesc

setTypeInfo

public void setTypeInfo(TypeInfo typeInfo)

Overrides:

setTypeInfo in class ExprNodeDesc

getWritableObjectInspector

public ObjectInspector getWritableObjectInspector()

Overrides:

getWritableObjectInspector in class ExprNodeDesc

getTypeString

public String getTypeString()

Overrides:

getTypeString in class ExprNodeDesc

getCols

public List<String> getCols()

Overrides:

getCols in class ExprNodeDesc

getChildren

public List<ExprNodeDesc> getChildren()

Description copied from interface: Node

Gets the vector of children nodes. This is used in the graph walker algorithms.

Specified by:

getChildren in interface Node

Overrides:

getChildren in class ExprNodeDesc

Returns:

List