Re: Creating CoreData Configurations in xcode
Re: Creating CoreData Configurations in xcode
- Subject: Re: Creating CoreData Configurations in xcode
- From: Gordon Apple <email@hidden>
- Date: Sat, 03 Nov 2012 16:42:28 -0600
- Thread-topic: Creating CoreData Configurations in xcode
Well, I¹ve kinda asked myself this. So far, I¹ve just used the same model
and not instantiated anything I didn¹t need. Maybe it makes the coreData
file slightly smaller? Maybe not, because all that entity info is in the
model, not the file.
On 11/3/12 1:50 PM, "Dave Fernandes" <email@hidden> wrote:
> [followup to question on xcode-users list]
>
> Just curious why you are using configurations. I've never found them to be
> useful for anything. My hope was that I wouldn't have to migrate some types of
> documents as often if the only entities that changed were not part of that
> document type's configuration. But that wasn't the case. All document types
> had to be migrated if an entity in any configuration in the model changed. So
> what are configurations useful for?
>
> Dave
>
> On 2012-11-03, at 3:16 PM, Gordon Apple <email@hidden> wrote:
>
>> > Could somebody explain to me how to create CoreData configurations in xcode
>> or point me to the appropriate docs? I currently have a data model with 21
>> entities. I use the same model for two different document types and would
>> like to add a third. These each use subsets of the (default) configuration
>> entities. I thought ³addConfiguration² would give me a new screen with a
>> copy of the original defaults, so I could delete what is not needed for each
>> configuration and add other entities as needed. Apparently, it doesn¹t work
>> that way and I haven¹t figured out how to do it.
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