amen :-)
On Feb 24, 3:13 pm, Matthew Jaggard <matt...@jaggard.org.uk> wrote: > The first one :-) > > On 22 February 2012 21:01, Peter Han <devifr...@gmail.com> wrote: > > > > > > > > > situation: > > - user entities in db (properties id, name, sex, age) > > - you want to get the oldest of them with min. age 10 > > > createQuery(select u from User u where u.age>=10 order by age desc) > > query.setMaxResults(1) !!! > > query.getResultList(); > > > how GAE handles this situation? > > > 1. search in index table where age>=10 and only the oldest > > 2. found 1 entity key > > 3. read entity > > 4. return entity > > > OR > > > 1. find all of them in index table where age>=10 > > 2. found X entity keys > > 3. read all entities > > 4. return only the oldest of them (because JPA maxResults=1) > > > Thanks > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this group, send email to > > google-appengine-java@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine-java+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/google-appengine-java?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
