set = new FilteredFeatureInputStream( set, q.getFilter() );
result = new FilteredFeatureInputStream( result, filter );
result = new FilteredFeatureInputStream( result, wb.getPostFilter() );
rs = new FilteredFeatureInputStream( rs, p.first );
set = new FilteredFeatureInputStream( set, q.getFilter() );
result = new FilteredFeatureInputStream( result, filter );
result = new FilteredFeatureInputStream( result, wb.getPostFilter() );
rs = new FilteredFeatureInputStream( rs, p.first );