2014/10/15 下午 10:13:17

iphone Programming Glossary: removepersistentstore

http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data

store ... NSError error NSURL storeURL store.URL NSPersistentStoreCoordinator storeCoordinator ... storeCoordinator removePersistentStore store error error NSFileManager defaultManager removeItemAtPath storeURL.path error error Then just add the persistent store..

Reset a CoreData persistent store

http://stackoverflow.com/questions/2280158/reset-a-coredata-persistent-store

then import new data. How would you do this It seems that the simplest solution is call NSPersistentStoreCoordinator removePersistentStore error and then remove the file. Is that the best practice available Is it thread safe Thank you very much # Question 0.1.. NSPersistentStore store persistentStoreCoordinator persistentStores objectAtIndex 0 if persistentStoreCoordinator removePersistentStore store error error NSLog @ Unresolved error @ @ error error userInfo abort Delete file if NSFileManager defaultManager removeItemAtPath..

How to force coredata to rebuild sqlite database model?

http://stackoverflow.com/questions/2357010/how-to-force-coredata-to-rebuild-sqlite-database-model

and unstable state. You can try telling the NSPersistentStoreCoordinator you are removing the file with a call to removePersistentStore error and then adding the new store with a call to addPersistentStoreWithType configuration URL options error . I am doing..

How do I delete all objects from my persistent store in Core Data?

http://stackoverflow.com/questions/2375888/how-do-i-delete-all-objects-from-my-persistent-store-in-core-data

solution managedObjectContext lock managedObjectContext reset to drop pending changes if persistentStoreCoordinator removePersistentStore persistentStore error error NSURL storeURL NSURL fileURLWithPath self pathForPersistentStore NSFileManager defaultManager.. changes delete the store from the current managedObjectContext if managedObjectContext persistentStoreCoordinator removePersistentStore managedObjectContext persistentStoreCoordinator persistentStores lastObject error error remove the file containing the data..