Re: Checking integrity of a Core Data document with SQLite store
Re: Checking integrity of a Core Data document with SQLite store
- Subject: Re: Checking integrity of a Core Data document with SQLite store
- From: Fritz Anderson <email@hidden>
- Date: Mon, 15 Mar 2010 11:21:27 -0500
On 14 Mar 2010, at 9:47 PM, mmalc Crawford wrote:
> On Mar 14, 2010, at 7:21 pm, Dave Fernandes wrote:
>
>> So my question is - how do you detect this before loading the file? I'm aware of the sqlite3 PRAGMA integrity_check, but there does not seem to be a C API for this. Any pointers?
>>
> <http://developer.apple.com/mac/library/documentation/Cocoa/Reference/CoreDataFramework/Classes/NSPersistentStoreCoordinator_Class/NSPersistentStoreCoordinator.html#//apple_ref/doc/c_ref/NSSQLitePragmasOption>
>
> See <http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/CoreData/Articles/cdPersistentStores.html#//apple_ref/doc/uid/TP40002875> for an example.
My understanding may be incomplete, but it seems that the example shows the use of pragmas (pragmata?) that set the state of the store at addPersistentStore...: time, and have no significant return value. PRAGMA integrity_check and PRAGMA quick_check return tables.
Is there a way to collect the results of the integrity check? Would addPersistentStore...: return nil and somehow populate the error return?
— F
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