Bug 182680 Use feature of new Aggregation framework of Data Engine.
DataEngine will implement new aggregation framework in 2.2.0RC0. After the implementation is finished Engine should go ahead to use new column bindings in definition of map/highlight.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
HighlightDesign highlight = item.getHighlight( );
			if ( query == null && highlight != null
					&& highlight.getRuleCount( ) > 0 )
			{
				return true;
			}
			return false;
		}
		
		private void addSortAndFilter( ReportItemDesign item, BaseQueryDefinition query )
		{
			if ( item instanceof ListingDesign )
			{
				query.getSorts( )
						.addAll( createSorts( (ListingDesign) item ) );
				query.getFilters( )
						.addAll( createFilters( (ListingDesign) item ) );
			}
			else if ( item instanceof ExtendedItemDesign )
			{
				query.getFilters( ).addAll(
						createFilters( (ExtendedItemDesign) item ) );
			}
		}
		/**
		 * get Localized string by the resouce key and <code>Locale</code>
		 * object in <code>context</code>
		 * 
		 * @param resourceKey
		 *            the resource key