Top "Core-data-migration" questions

for issues related to Migration of CoreData on OS X systems

Example or explanation of Core Data Migration with multiple passes?

My iPhone app needs to migrate its core data store, and some of the databases are quite large. Apple's documentation …

iphone objective-c ios core-data core-data-migration
iPhone Core Data "Automatic Lightweight Migration"

I am attempting to update an app that implements a core data store. I am adding an attribute to one …

ios iphone core-data core-data-migration
"Can't find model for source store" occurring during iphone "Automatic Lightweight Migration"?

I'm really stuck here with upgrade testing from v1 to v2 of an iPhone application. I have IPA releases that …

ios iphone core-data core-data-migration
Using mergedModelFromBundles: and versioning (CoreData)

I'm trying to use the migration feature in CoreData. I've followed the Apple Documentation. I have a problem in the …

iphone core-data core-data-migration
CoreData crash error Xcode 11 Beta, IOS 13 Beta

Im trying building my application from Xcode11 beta on phone IOS 13 Beta. I have crash when application loading. 2019-07-22 13:58:12.910460+0300 …

swift core-data core-data-migration xcode11 ios13
Core Data & Xcode 11: Please switch to using "NSSecureUnarchiveFromData" or a subclass of NSSecureUnarchiveFromDataTransformer

Just moved to Xcode 11 and getting the following crash at launch: CoreData: fault: One or more models in this application …

swift xcode core-data core-data-migration
Cannot create an NSPersistentStoreCoordinator with a nil model error

I have a coreData datamodel file which was running perfectly. Due to some special requirements i deleted the old datamodel …

iphone ios core-data xcode4.2 core-data-migration
Changing Attribute Type in Core Data with NSInferMappingModelAutomaticallyOption

I have my Core Data Store and I use the flag 'NSInferMappingModelAutomaticallyOption' so that whenever I make changes to the …

objective-c core-data core-data-migration
Core Data change property from Integer 16 to Integer 32

I'm having a very serious problem. The application is live, but unfortunately it's fails on iOS 5, and I need to …

xcode core-data core-data-migration