No. But turn up your Datanucleus logging to make sure.
On Fri, Nov 4, 2011 at 5:34 AM, Gooly <gool...@gmail.com> wrote: > > For fetching data from datastore via primary key using JDO, Is there > any performance difference between > > PersistenceManager pm = PMF.get().getPersistenceManager(); > Employee e = pm.getObjectById(Employee.class, user.getEmail()); > > and > > PersistenceManager pm = PMF.get().getPersistenceManager(); > > String query = "select from " + Employee.class.getName() + " where ID > == '" + user.getEmail + "'"; > List<Employee> eList = (List<Employee>) pm.newQuery(query).execute(); > Employee e = eList.get(0); > > ID is the primary key for entity class Employee. > > Thanks, > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appengine@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
