BracketName sumName = new BracketName(hierarchy.getMemberExpression(setLabel));
// BracketName alteredSetName = mdxQuery.addSectionWithMember(alteredSetName, new Sum(rangeSet).getReturn());
// mdxQuery.addSectionSelectRow(alteredSetName.toString(), orientation);
MdxValueExpression sumExperssion = new Sum(rangeSet).getReturn(); //.setName(setName)
Member sumMember = new Member(rangeSet.getMembersHierarchy(),sumExperssion);
sumMember.setName(sumName);
mdxQuery.addSelection(sumMember, orientation);
return mdxQuery;