org.eclipse.birt.data.engine.api
Interface IQueryExecutionHints

All Known Implementing Classes:

QueryExecutionHints

public interface IQueryExecutionHints

This class provides hints info for a Data Engine Query to execution.

Method Summary

void	addTargetGroupInstance(IGroupInstanceInfo info) Add a target group instance.
boolean	doSortBeforeGrouping() Indicate whether should we do sort before grouping.
java.util.List<IGroupInstanceInfo>	getTargetGroupInstances() Return a list of IGroupInstanceInfo instances that is needed in target ResultSet.
void	setSortBeforeGrouping(boolean doSortBeforeGrouping) Set whether to sort before grouping.

Method Detail

doSortBeforeGrouping

boolean doSortBeforeGrouping()

Indicate whether should we do sort before grouping.

Returns:

getTargetGroupInstances

java.util.List<IGroupInstanceInfo> getTargetGroupInstances()

Return a list of IGroupInstanceInfo instances that is needed in target ResultSet.

Returns:

setSortBeforeGrouping

void setSortBeforeGrouping(boolean doSortBeforeGrouping)

Set whether to sort before grouping.

Parameters:

doSortBeforeGrouping -

addTargetGroupInstance

void addTargetGroupInstance(IGroupInstanceInfo info)

Add a target group instance.

Parameters:

info -