org.apache.hadoop.hive.ql.plan

Class SelectDesc

java.lang.Object

org.apache.hadoop.hive.ql.plan.AbstractOperatorDesc

org.apache.hadoop.hive.ql.plan.SelectDesc

All Implemented Interfaces:

Serializable, Cloneable, OperatorDesc

public class SelectDesc
extends AbstractOperatorDesc

SelectDesc.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	SelectDesc.SelectOperatorExplainVectorization

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.plan.AbstractOperatorDesc

colExprMap, memAvailable, memNeeded, opProps, opTraits, runtimeStatsTmpDir, statistics, vectorDesc, vectorMode

Constructor Summary

Constructors

Constructor and Description
SelectDesc()
SelectDesc(boolean selStarNoCompute)
SelectDesc(List<ExprNodeDesc> colList, List<String> outputColumnNames)
SelectDesc(List<ExprNodeDesc> colList, List<String> outputColumnNames, boolean selectStar)

Method Summary

Modifier and Type	Method and Description
Object	clone()
String	explainNoCompute()
List<ExprNodeDesc>	getColList()
String	getColListString()
List<String>	getOutputColumnNames()
SelectDesc.SelectOperatorExplainVectorization	getSelectVectorization()
List<String>	getUserLevelExplainOutputColumnNames()
boolean	isSame(OperatorDesc other) The default implementation delegates to Object.equals(Object).
boolean	isSelectStar()
boolean	isSelStarNoCompute()
void	setColList(List<ExprNodeDesc> colList)
void	setOutputColumnNames(List<String> outputColumnNames)
void	setSelectStar(boolean selectStar)
void	setSelStarNoCompute(boolean selStarNoCompute)

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

fillSignature, getColumnExprMap, getColumnExprMapForExplain, getMaxMemoryAvailable, getMemoryNeeded, getOpProps, getRuntimeStatsTmpDir, getStatistics, getTraits, getUserLevelStatistics, getVectorDesc, getVectorMode, setColumnExprMap, setMaxMemoryAvailable, setMemoryNeeded, setOpProps, setRuntimeStatsTmpDir, setStatistics, setTraits, setVectorDesc, setVectorMode

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectDesc

public SelectDesc()

SelectDesc

public SelectDesc(boolean selStarNoCompute)

SelectDesc

public SelectDesc(List<ExprNodeDesc> colList,
                  List<String> outputColumnNames)

SelectDesc

public SelectDesc(List<ExprNodeDesc> colList,
                  List<String> outputColumnNames,
                  boolean selectStar)

Method Detail

clone

public Object clone()

Specified by:

clone in interface OperatorDesc

Overrides:

clone in class AbstractOperatorDesc

getColListString

public String getColListString()

getColList

public List<ExprNodeDesc> getColList()

setColList

public void setColList(List<ExprNodeDesc> colList)

getOutputColumnNames

public List<String> getOutputColumnNames()

getUserLevelExplainOutputColumnNames

public List<String> getUserLevelExplainOutputColumnNames()

setOutputColumnNames

public void setOutputColumnNames(List<String> outputColumnNames)

explainNoCompute

public String explainNoCompute()

isSelectStar

public boolean isSelectStar()

Returns:

the selectStar

setSelectStar

public void setSelectStar(boolean selectStar)

Parameters:

selectStar - the selectStar to set

isSelStarNoCompute

public boolean isSelStarNoCompute()

Returns:

the selStarNoCompute

setSelStarNoCompute

public void setSelStarNoCompute(boolean selStarNoCompute)

Parameters:

selStarNoCompute - the selStarNoCompute to set

getSelectVectorization

public SelectDesc.SelectOperatorExplainVectorization getSelectVectorization()

isSame

public boolean isSame(OperatorDesc other)

Description copied from class: AbstractOperatorDesc

The default implementation delegates to Object.equals(Object). Intended to be overridden by sub classes.

Specified by:

isSame in interface OperatorDesc

Overrides:

isSame in class AbstractOperatorDesc