I'm trying to do a custom core data migration, but I'm running into an issue
getting the model for the older data:
NSDictionary* metadata = [NSPersistentStoreCoordinator
metadataForPersistentStoreOfType: NSSQLiteStoreType URL: storeURL error: &err];
NSManagedObjectModel* sourceModel = [NSManagedObjectModel
mergedModelFromBundles: nil forStoreMetadata: metadata];
metadata is valid, but sourceModel is nil.
I have several versions of the same model in my (iOS) app. According to the
docs, passing nil here is the right thing to do.
Any ideas? Thanks!
--
Rick Mann
[email protected]
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