Re: CoreData Indexing is it possible?
Re: CoreData Indexing is it possible?
- Subject: Re: CoreData Indexing is it possible?
- From: Bill Cheeseman <email@hidden>
- Date: Tue, 18 Sep 2007 08:59:56 -0400
- Thread-topic: CoreData Indexing is it possible?
on 2007-09-18 7:03 AM, I. Savant at email@hidden wrote:
> On Sep 18, 2007, at 1:28 AM, Diederik Hoogenboom wrote:
>
>> AFAIK it is not mentioned in any public documentation. It has been
>> mentioned once or twice on this list though.
>> It is not really an API; it is more a "tag" in your model that will
>> trigger the index to be created when creating your store.
>>
>
> That's not really the point, though. It's undocumented and starts
> with an underscore (Apple's convention for "private"), therefore it's
> subject to change and can break your application (or, in this case,
> *potentially* corrupt your users' documents) in future versions of OS X.
>
> I would steer *well clear* of this approach without official
> support from Apple.
I implemented indexes a couple of years ago in a demo core data app. You can
download the project with source from
<http://www.quecheesoftware.com/downloads/WareroomDemo.html>.
Maintenance of indexes when deleting objects in this sample is very simple
and will not scale well.
--
Bill Cheeseman - email@hidden
Quechee Software, Quechee, Vermont, USA
www.quecheesoftware.com
PreFab Software - www.prefabsoftware.com
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