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

Methods

Modifier and Type	Method and Description
void	addTable(String baseTableName, String indexTableName)
String	findBaseTable(String baseTableName)
String	getAggFunction()
String	getAlias()
String	getBaseTableName()
Map<String,String>	getBaseToIdxTableMap()
List<GroupByOperator>	getGroupByOperators()
String	getIndexKey()
String	getIndexTableName()
static RewriteCanApplyCtx	getInstance(ParseContext parseContext)
ParseContext	getParseContext()
List<SelectOperator>	getSelectOperators()
TableScanOperator	getTableScanOperator()
boolean	isAggFuncIsNotCount()
boolean	isAggParameterException()
boolean	isQueryHasGroupBy()
boolean	isSelClauseColsFetchException()
void	setAggFuncIsNotCount(boolean aggFuncIsNotCount)
void	setAggFunction(String aggFunction)
void	setAggParameterException(boolean aggParameterException)
void	setAlias(String alias)
void	setBaseTableName(String baseTableName)
void	setGroupByOperators(List<GroupByOperator> groupByOperators)
void	setIndexKey(String indexKey)
void	setIndexTableName(String indexTableName)
void	setQueryHasGroupBy(boolean queryHasGroupBy)
void	setSelClauseColsFetchException(boolean selClauseColsFetchException)
void	setSelectOperators(List<SelectOperator> selectOperators)
void	setTableScanOperator(TableScanOperator tableScanOperator)

Methods inherited from class java.lang.Object

clone, equals, finalize, 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()

setSelClauseColsFetchException

public void setSelClauseColsFetchException(boolean selClauseColsFetchException)

isSelClauseColsFetchException

public boolean isSelClauseColsFetchException()

getAlias

public String getAlias()

setAlias

public void setAlias(String alias)

getBaseTableName

public String getBaseTableName()

setBaseTableName

public void setBaseTableName(String baseTableName)

getIndexTableName

public String getIndexTableName()

setIndexTableName

public void setIndexTableName(String indexTableName)

getParseContext

public ParseContext getParseContext()

addTable

public void addTable(String baseTableName,
            String indexTableName)

findBaseTable

public String findBaseTable(String baseTableName)

getIndexKey

public String getIndexKey()

setIndexKey

public void setIndexKey(String indexKey)

getTableScanOperator

public TableScanOperator getTableScanOperator()

setTableScanOperator

public void setTableScanOperator(TableScanOperator tableScanOperator)

getSelectOperators

public List<SelectOperator> getSelectOperators()

setSelectOperators

public void setSelectOperators(List<SelectOperator> selectOperators)

getGroupByOperators

public List<GroupByOperator> getGroupByOperators()

setGroupByOperators

public void setGroupByOperators(List<GroupByOperator> groupByOperators)

setAggParameterException

public void setAggParameterException(boolean aggParameterException)

isAggParameterException

public boolean isAggParameterException()