Hello Ralf, what would such a passthrough query look like in this case?
Thanks Stefan --- Ralf Joachim <[EMAIL PROTECTED]> schrieb: > Hi Stefan, > > the projection that you request is not possible with > castor OQL yet. I > usually use passthrough queries for these situations > myself. > > Regards > Ralf > > > Stefan Lober schrieb: > > Hello, > > > > I have a question about OQL queries: > > Is it possible to execute queries of the form > > select o.<FIELD1>.<FIELD2> ... > > i.e. where a field is requested that lies more > than > > one step deep into the object hierarchy? > > > > A concrete example: > > select flight.passenger.name from Flight as flight > > where flight.passenger.id < 100 and > flight.plane.id = > > 2 > > > > I tried to run code containing such a query > execution. > > The query.execute(...) can be done, but a > > NoSuchElementException occurs at the first call to > > queryResults.next(), saying "An exception was > thrown > > trying to access get methods to follow the path > > expression. java.lang.IllegalArgumentException: > object > > is not an instance of declaring class". > > > > Regards > > Stefan > > > > > > > > > > > > > > > ___________________________________________________________ > > > Der frühe Vogel fängt den Wurm. Hier gelangen Sie > zum neuen Yahoo! Mail: http://mail.yahoo.de > > > > > --------------------------------------------------------------------- > > To unsubscribe from this list please visit: > > > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- > To unsubscribe from this list please visit: > > http://xircles.codehaus.org/manage_email > > ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de --------------------------------------------------------------------- To unsubscribe from this list please visit: http://xircles.codehaus.org/manage_email
