Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/group/GroupCalculationUtil.java
if ( gbi.getStartIndex( ) >= this.getStartIndex( )
				&& gbi.getEndIndex( ) <= this.getEndIndex( ) )
			return true;
		else
			return false;
	}
	/**
	 * Set the sort conditions
	 * 
	 * @param sortKeys
	 * @param sortOrderings
	 */
	void setSortCondition( Object[] sortKeys, boolean[] sortOrderings )
	{
		this.sortKeys = sortKeys;
		this.sortDirections = sortOrderings;
	}
	/**
	 * Return the sort keys array.
	 * 
	 * @return
	 */
	Object[] getSortKeys( )
	{
		return this.sortKeys;
	}
	/**
	 * Return the sort direction array.
	 * 
	 * @return