Bug 122419 Masterpage cannot access Data Set properties
If one references a data set property in the master page, i.e. row["title"], then the viewer displays only 'undefined'.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
protected ArrayList createSorts( ListingDesign listing )
		{
			return createSorts( ( (ListingHandle) listing.getHandle( ) )
					.sortsIterator( ) );
		}
		/**
		 * create sort array by giving GroupHandle
		 * 
		 * @param group
		 *            the GroupHandle
		 * @return the sort array
		 */
		protected ArrayList createSorts( GroupHandle group )
		{
			return createSorts( group.sortsIterator( ) );
		}
		/**
		 * create input parameter binding
		 * 
		 * @param handle
		 * @return
		 */
		protected IInputParameterBinding createParamBinding(
				ParamBindingHandle handle )
		{
			if ( handle.getExpression( ) == null )
				return null; 
			ScriptExpression expr = new ScriptExpression( handle
					.getExpression( ) );