Bug 123726 "Top n", "Bottom n" in highlight dialog doesn't work.
Description: "Top n", "Bottom n" in highlight dialog doesn't work. Steps to reproduce: 1. Add a highlight for a table. 2. Set highlight rule: "account_id", "top n", "3", let its font color red. 3. Preview the report, it doesn't work. Attached is design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedQuery.java
/**
		 * Populates odiQuery with this query's definitions
		 */
		protected void populateOdiQuery( ) throws DataException
		{
			assert odiQuery != null;
			assert queryDefn != null;
			
			Context cx = Context.enter();
			try
			{
				List temporaryComputedColumns = new ArrayList();
				
				
				List groups = queryDefn.getGroups();
				if ( groups != null && ! groups.isEmpty() )
				{
					IQuery.GroupSpec[] groupSpecs = new IQuery.GroupSpec[ groups.size() ];
					Iterator it = groups.iterator();
					for ( int i = 0; it.hasNext(); i++ )
					{
						IGroupDefinition src = (IGroupDefinition) it.next();
						
						IQuery.GroupSpec dest = groupDefnToSpec(cx, src,"_{$TEMP_GROUP_"+i+"$}_", -1 );
						groupSpecs[i] = dest;
						
						if( groupSpecs[i].isCompleteExpression() )
						{
							;