return null;
}
public Collection<Object> runAnyQuery(String queryText) {
HelperDAO repository = new HelperDAO();
Collection<Object> results = repository.runQuery(queryText); // array of arrays for all multi-columns queries
Collection<Object> res = new ArrayList<Object>();
for (Object result : results) {
if(result != null) {
if(result.getClass().isArray()) {
return results; // multi-columns query