2 wangzi11322 wangzi11322 于 2015.06.04 15:20 提问

升级core data 时,这个persistentStoreCoordinator代理是哪个

Do you have NSMigratePersistentStoresAutomaticallyOption and NSInferMappingModelAutomaticallyOption options set when you create your persistentStoreCoordinator in the App Delegate?

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