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CoreData _PK NSManagedObject

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CoreData _PK NSManagedObject

Subject: CoreData _PK NSManagedObject
From: Camille GOUREAU-SUIGNARD <email@hidden>
Date: Wed, 17 Sep 2008 17:55:07 +0200

Hi,

does somebody know a way to retrieve a NSManagedObject (whose db has already been saved) if I know its _PK in sqlite ?

I use sqlite3 queries whose result I would like to fetch within a cocoa app. And I know no way of getting "group by" queries within CoreData. The result gives me the Z_PK of objects. This Z_PK is the index in the db. NSManagedObject does not accept "_PK" key.

Many thanks.
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