On Jun 2, 2014, at 7:38 PM, Laurent Daudelin wrote: > I have what I think is a simple CoreData question. > > Suppose I have an Employee table and a City table, a little bit like the > CoreData documentation. Each employee resides in a city. > > Now, multiple employees can reside in the same city. Suppose I fetch a > certain number of employees, how do I find how many cities this group of > employees reside in?
-[NSFetchRequest setReturnsDistinctResults:] I don't know whether any of the KVC aggregation operators work in fetch predicates--they are not documented to--but worst case you just get the result array count. HTH, Keary Suska Esoteritech, Inc. "Demystifying technology for your home or business" _______________________________________________ Cocoa-dev mailing list ([email protected]) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
