On 12 May 2013, at 22:15, Peng Gu <pan...@gmail.com> wrote:

> Hi
> 
> I am building an core data app that allows me to backup and restore the
> data.
> For backup, I simply copy the sqlite file to selected directory with a name
> 'app.backup'.
> For restore, I also simply copy the selected file to the application
> storage directory with name 'app.sqlite'
> 
> My question is: when I do restoring, How do I validate that the file is a
> valid sqlite database and its schema matches the core data data model I am
> using?

Call -addPersistentStoreWithType:configuration:URL:options:error:
It will fail if the store is of the wrong schema.

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