Yes, it works. I use key only queries a lot. I could help more if you posted the code with the query.
On Wed, Jan 19, 2011 at 6:52 AM, Kenny <[email protected]> wrote: > According to: > > http://code.google.com/appengine/docs/java/datastore/jdo/queries.html#Queries_on_Keys > > We are suppose to be able to get Key only query. But according to > this: > > http://groups.google.com/group/google-appengine/browse_thread/thread/c9ef645f0f77a53e > > Key only result doesn't work. Has any one tried this and got it > working? I gave it a try and I got the result like the second case. > I got the error: > > javax.jdo.JDOUserException: Illegal result clause : PrimaryExpression > should be a VariableExpression with name id > > Now... my attempt have an additional filter on the query. Does that > matter? > > -- > 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 > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
