org.apache.hadoop.hive.ql.optimizer.index
Class RewriteCanApplyCtx

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.index.RewriteCanApplyCtx

All Implemented Interfaces:

NodeProcessorCtx

public final class RewriteCanApplyCtx
extends Object
implements NodeProcessorCtx

RewriteCanApplyCtx class stores the context for the RewriteCanApplyProcFactory to determine if any index can be used and if the input query meets all the criteria for rewrite optimization.

Method Summary

void	addTable(String baseTableName, String indexTableName)
String	findBaseTable(String baseTableName)
int	getAggFuncCnt()
Set<String>	getAggFuncColList()
String	getAggFunction()
String	getBaseTableName()
Map<String,String>	getBaseToIdxTableMap()
Set<String>	getGbKeyNameList()
static RewriteCanApplyCtx	getInstance(ParseContext parseContext)
ParseContext	getParseContext()
Set<String>	getPredicateColumnsList()
Set<String>	getSelectColumnsList()
boolean	isAggFuncColsFetchException()
boolean	isAggFuncIsNotCount()
boolean	isCountOfOne()
boolean	isCountOnAllCols()
boolean	isGbyKeysFetchException()
boolean	isQueryHasGroupBy()
boolean	isQueryHasMultipleTables()
boolean	isSelClauseColsFetchException()
boolean	isWhrClauseColsFetchException()
void	setAggFuncCnt(int aggFuncCnt)
void	setAggFuncColList(Set<String> aggFuncColList)
void	setAggFuncColsFetchException(boolean aggFuncColsFetchException)
void	setAggFuncIsNotCount(boolean aggFuncIsNotCount)
void	setAggFunction(String aggFunction)
void	setBaseTableName(String baseTableName)
void	setCountOfOne(boolean countOfOne)
void	setCountOnAllCols(boolean countOnAllCols)
void	setGbKeyNameList(Set<String> gbKeyNameList)
void	setGbyKeysFetchException(boolean gbyKeysFetchException)
void	setPredicateColumnsList(Set<String> predicateColumnsList)
void	setQueryHasGroupBy(boolean queryHasGroupBy)
void	setQueryHasMultipleTables(boolean queryHasMultipleTables)
void	setSelClauseColsFetchException(boolean selClauseColsFetchException)
void	setSelectColumnsList(Set<String> selectColumnsList)
void	setWhrClauseColsFetchException(boolean whrClauseColsFetchException)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static RewriteCanApplyCtx getInstance(ParseContext parseContext)

isQueryHasGroupBy

public boolean isQueryHasGroupBy()

setQueryHasGroupBy

public void setQueryHasGroupBy(boolean queryHasGroupBy)

isAggFuncIsNotCount

public boolean isAggFuncIsNotCount()

setAggFuncIsNotCount

public void setAggFuncIsNotCount(boolean aggFuncIsNotCount)

getBaseToIdxTableMap

public Map<String,String> getBaseToIdxTableMap()

setAggFunction

public void setAggFunction(String aggFunction)

getAggFunction

public String getAggFunction()

setAggFuncColsFetchException

public void setAggFuncColsFetchException(boolean aggFuncColsFetchException)

isAggFuncColsFetchException

public boolean isAggFuncColsFetchException()

setWhrClauseColsFetchException

public void setWhrClauseColsFetchException(boolean whrClauseColsFetchException)

isWhrClauseColsFetchException

public boolean isWhrClauseColsFetchException()

setSelClauseColsFetchException

public void setSelClauseColsFetchException(boolean selClauseColsFetchException)

isSelClauseColsFetchException

public boolean isSelClauseColsFetchException()

setGbyKeysFetchException

public void setGbyKeysFetchException(boolean gbyKeysFetchException)

isGbyKeysFetchException

public boolean isGbyKeysFetchException()

setCountOnAllCols

public void setCountOnAllCols(boolean countOnAllCols)

isCountOnAllCols

public boolean isCountOnAllCols()

setCountOfOne

public void setCountOfOne(boolean countOfOne)

isCountOfOne

public boolean isCountOfOne()

setQueryHasMultipleTables

public void setQueryHasMultipleTables(boolean queryHasMultipleTables)

isQueryHasMultipleTables

public boolean isQueryHasMultipleTables()

getSelectColumnsList

public Set<String> getSelectColumnsList()

setSelectColumnsList

public void setSelectColumnsList(Set<String> selectColumnsList)

getPredicateColumnsList

public Set<String> getPredicateColumnsList()

setPredicateColumnsList

public void setPredicateColumnsList(Set<String> predicateColumnsList)

getGbKeyNameList

public Set<String> getGbKeyNameList()

setGbKeyNameList

public void setGbKeyNameList(Set<String> gbKeyNameList)

getAggFuncColList

public Set<String> getAggFuncColList()

setAggFuncColList

public void setAggFuncColList(Set<String> aggFuncColList)

getAggFuncCnt

public int getAggFuncCnt()

setAggFuncCnt

public void setAggFuncCnt(int aggFuncCnt)

getBaseTableName

public String getBaseTableName()

setBaseTableName

public void setBaseTableName(String baseTableName)

getParseContext

public ParseContext getParseContext()

addTable

public void addTable(String baseTableName,
                     String indexTableName)

findBaseTable

public String findBaseTable(String baseTableName)