Check this out http://gae-java-persistence.blogspot.com/2010/01/querying-with-key-parameters.html Key is special datatype and you will need to use help API by Google to re-create the key before passing it in.
On Sun, May 30, 2010 at 9:47 PM, Dormand <[email protected]> wrote: > Hi, I have a persistance class. now i want to query with its key and > other one field. > I have tried in this waya > > Query qry2 = pm.newQuery(File.class); > qry2.setFilter("key == keyParam"); > qry2.setFilter("initialVersion <= version"); > qry2.declareParameters("com.google.appengine.api.datastore.Key > keyParam, long version"); > > fileList = (List<File>) qry2.execute(key, version); > > but it do not show any result > > -- > 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.
