I have an xcode project that has 4 targets (2 apps, 1 iPhone and 1 iPad version for each). I have recently implemented Core Data Lightweight Migration.
I am trying to perform a lightweight migration, but I am having a problem because of the way I created my initial datamodel. The initial data model was not versioned, so now the following co开发者_如何
We have an app with a versioned core data model, and we\'re setting the NSMigratePersistentStoresAutomaticallyOpt开发者_Go百科ion and NSInferMappingModelAutomaticallyOption options to handle the migra
I am trying to use automatic lightweight migration in my app.I did the following steps: Create new model version.
Background: Have got v2 of an iPhone application in XCode now, with v1 on the app store.So on my iPhone I have working versions of v2.
I am getting this error message (and subsequent crash) in Xcode organiser that I suspect is related to a Core Data migration that takes too long to complete:
I have a tough issue that I cannot find an answer to. My data model is structured like this: Version 1:
You know how you can Reset the coredata store o开发者_JAVA技巧n an iPhone simulator when you\'ve changed your entity structure?
I created one project with core data that will work with unchangeable database. And I don\'t want to write code in this project , that will programmatically populate this database. So, I create second
I have an app released, and I want to release a new version. The new version has a very small change in the Core Data model: adding a BOOL a开发者_开发百科ttribute (\"hasUpdated\") to an entity (\"U
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