Re: Migration with abstract entities
Re: Migration with abstract entities
- Subject: Re: Migration with abstract entities
- From: "Sean McBride" <email@hidden>
- Date: Sat, 17 Jan 2009 00:00:53 -0500
Quincey Morris (email@hidden) on 2009-01-16 6:53 PM said:
>The bad news is that abstract entities will cause
>NSPersistentDocument's Save As to break, since it apparently uses a
>Core Data migration to implement Save As, with an auto-generated
>mapping model, which of course fails to copy the inherited
>relationships properly. (My solution was to stop using abstract
>entities in the next version of the data model. :) )
Do you have any more info on this? In what way does 'save as' break?
This sounds like a huge bug. Has it been so since 10.4.0? Is the
problem only with relationships from the abstract superentity?
Sean
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