Re: Using an auto incremented NSNumber as attribute in a NSManagedObject

FROM : Florent Pillet
DATE : Fri Mar 07 17:34:35 2008

> You could issue a fetch request at startup, store its @max in some
> ivar in a MOC subclass, and use that instead of the local static
> variable.
>
> Still a pain, but might do you what you want.


I happen to have needed autoincrement properties too, and stumbled upon
this post by David Emme:

http://lists.apple.com/archives/Cocoa-dev/2006/Jul/msg01801.html

I implemented something simular, I like the solution of storing the
"next" value in the metadata. Works fine for me since the app I'm
working on is the only one fiddling with its data.

--
Florent Pillet                        http://www.florentpillet.com
Software consultant - Mobile devices, desktop and server platforms
Mac OS X, Windows+Mobile, Palm OS    Skype callto://florent.pillet