org.apache.hadoop.hive.ql
Class QueryProperties

java.lang.Object
  org.apache.hadoop.hive.ql.QueryProperties

public class QueryProperties
extends Object

QueryProperties. A structure to contain features of a query that are determined during parsing and may be useful for categorizing a query type These inlucde whether the query contains: a join clause, a group by clause, an order by clause, a sort by clause, a group by clause following a join clause, and whether the query uses a script for mapping/reducing

Constructor Summary

QueryProperties()

Method Summary

boolean	hasClusterBy()
boolean	hasDistributeBy()
boolean	hasGroupBy()
boolean	hasJoin()
boolean	hasJoinFollowedByGroupBy()
boolean	hasOrderBy()
boolean	hasSortBy()
void	setHasClusterBy(boolean hasClusterBy)
void	setHasDistributeBy(boolean hasDistributeBy)
void	setHasGroupBy(boolean hasGroupBy)
void	setHasJoin(boolean hasJoin)
void	setHasJoinFollowedByGroupBy(boolean hasJoinFollowedByGroupBy)
void	setHasOrderBy(boolean hasOrderBy)
void	setHasSortBy(boolean hasSortBy)
void	setUsesScript(boolean usesScript)
boolean	usesScript()

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryProperties

public QueryProperties()

Method Detail

hasJoin

public boolean hasJoin()

setHasJoin

public void setHasJoin(boolean hasJoin)

hasGroupBy

public boolean hasGroupBy()

setHasGroupBy

public void setHasGroupBy(boolean hasGroupBy)

hasOrderBy

public boolean hasOrderBy()

setHasOrderBy

public void setHasOrderBy(boolean hasOrderBy)

hasSortBy

public boolean hasSortBy()

setHasSortBy

public void setHasSortBy(boolean hasSortBy)

hasJoinFollowedByGroupBy

public boolean hasJoinFollowedByGroupBy()

setHasJoinFollowedByGroupBy

public void setHasJoinFollowedByGroupBy(boolean hasJoinFollowedByGroupBy)

usesScript

public boolean usesScript()

setUsesScript

public void setUsesScript(boolean usesScript)

hasDistributeBy

public boolean hasDistributeBy()

setHasDistributeBy

public void setHasDistributeBy(boolean hasDistributeBy)

hasClusterBy

public boolean hasClusterBy()

setHasClusterBy

public void setHasClusterBy(boolean hasClusterBy)