Hi Jerry, Can I just clarify what you mean about working around a bug on 10.5? I do need this to work on 10.5.
FooSub is a subentity of Foo, and both have their classes defined, with FooSub's class being a subclass of Foo's class. Thanks Gideon On 30/09/2010, at 3:49 AM, Jerry Krinock wrote: > > On 2010 Sep 29, at 09:19, jeremy wrote: > >> For a solution, rework your schema to subclass FooSub directly from >> NSManagedObject. > > That might work. If it doesn't, > > On Sep 29, 2010, at 9:28 AM, Gideon King wrote: > >> All entities are concrete … I would have thought it would be OK for the >> relationship to point to an instance of FooSub shouldn't it? After all, it >> is a subclass of Foo. > > Not sure about that. I'd have made it be a subentity. Core Data knows more > about entities than classes. > > (But if you do make a subentity, and do a migration someday, remember that > you need to work around a bug if you allow operation in Mac OS 10.5.) > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
