Replace core data model without migration

问题

I have changed my core data model quite extensively. There are loads of question how to migrate the old data into the new model, however i don't need to migrate anything.

I just would like to replace the current Core Data instance. How can this be done?

回答1:

I'm going to assume you're using a persistant store coordinator with NSSQLiteStoreType. Just change the name of the url for your persistant store coordinator. If the previous version used a url called MyApp.sqlite, change it to MyAppVersionX.sqlite.

来源：https://stackoverflow.com/questions/9103045/replace-core-data-model-without-migration