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Migration with abstract entities

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Migration with abstract entities

Subject: Migration with abstract entities
From: Samuel Strupp <email@hidden>
Date: Fri, 16 Jan 2009 11:51:14 +0100

Hi,

does anybody know, how to migrate an object model with abstract entities correctly? The compiler throws errors for the mapping model "can't auto generate value expression with nil mapping name". I found no documentation about migration with abstract entities in core data under Mac OS X 10.5!

Greetings,
Samuel


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