{
Criteria crit = new Criteria();
Collection results = new Vector();
ReportQueryByCriteria q = QueryFactory.newReportQuery(ProductGroup.class, crit);
q.setAttributes(new String[] { "groupName", "sum(allArticlesInGroup.stock)", "sum(allArticlesInGroup.price)" });
q.addGroupBy("groupName");
Iterator iter = broker.getReportQueryIteratorByQuery(q);
// SELECT A0.KategorieName,sum(A1.Lagerbestand),sum(A1.Einzelpreis)
// FROM Kategorien A0