Re: Versioning and CoreData
Re: Versioning and CoreData
- Subject: Re: Versioning and CoreData
- From: Ricky Sharp <email@hidden>
- Date: Mon, 01 May 2006 14:53:02 -0500
On Monday, May 01, 2006, at 02:25PM, Uli Kusterer <email@hidden> wrote:
> I just created a CoreData project and a test document, then added
>some fields to the model, and then opened the document again. This
>worked, which goes completely against what the CoreData docs on
>versioning say. Is this a quirk of the XML store, or did I overlook
>something in the docs and adding optional attributes to a store
>doesn't cause versioning problems? This would be very handy because
>it's the most common update to a file format.
>
> If it isn't, does anyone have any suggestion on the most painless
>way of migrating between model formats? Basically I'd only want to
>add stuff and write code once that migrates the old format to the
>newer, richer format, and then just add to my model as I please.
Very interesting. Currently I do not use CoreData because it wasn't clear how to handle changes.
I'll run some experiments myself over the weekend; I would like to take advantange of CD, but also need an easy way to change the model.
Now, did you try only with an XML store? Or did things also work with binary and SQL?
--
Rick Sharp
Instant Interactive(tm)
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