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/api/impl/DataExtractionTask.java
DataID dataId = iid.getDataID( );
		DataSetID dataSetId = dataId.getDataSetID( );
		DataRequestSession dataSession = executionContext.getDataEngine( ).getDTESession( );
		Scriptable scope = executionContext.getSharedScope( );
		IResultIterator dataIter = null;
		IBaseQueryDefinition query = null;
		try
		{
			if(null == filterExpressions)
			{
				dataIter = getResultSetIterator( dataSession, dataSetId, scope );
			}
			else
			{
				
				
				long id = iid.getComponentID( );
				ReportItemDesign design = (ReportItemDesign) report.getReportItemByID( id );
				IDataQueryDefinition dataQuery = design.getQuery( );
				if ( ! ( dataQuery instanceof IBaseQueryDefinition ) )
				{
					
					return null;
				}
				else
				{
					query = (IBaseQueryDefinition)dataQuery;
				}