Read up on this: http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/KeyFactory.html
<http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/KeyFactory.html>Here's some code that should work (warning, I have not tested it, I am doing this from memory): String username = "someUsername"; Key key = KeyFactory.stringToKey(username); PersistenceManager pm = PMF.get().getPersistenceManager(); User user = (User) pm.getObjectById(key); // Do something with user On Mon, Feb 15, 2010 at 6:32 AM, Esteban Masoero <[email protected]>wrote: > Sorry to bother with this again, but I think this feature should work > without problems. Hasn't anybody tried to to something alike? > > El 11/02/2010 16:03, Esteban Masoero escribió: > > Hi there, I have something like: >> >> public class User { >> @PrimaryKey >> @Persistent >> private String username; >> .... >> >> But I couln't find a way of making work a query like "select * from User >> where username = 'someUserName'" from the admin console. It's driving me >> nuts!, Anyone has any idea how to do this? I guess it's supossed to be >> achieved with the KEY(..) feature, but I tried different ways and couldn't >> get it to work. >> >> Thanks, >> >> Esteban >> > > -- > 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. > > -- Ikai Lan Developer Programs Engineer, Google App Engine http://googleappengine.blogspot.com | http://twitter.com/app_engine -- 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.
