NSFRC doesn't call DidChangeContent: after update to non-fetched MO

Originator:heath.borders
Number:rdar://12930409 Date Originated:24-Dec-2012 12:31 AM
Status:Open Resolved:
Product:iPad SDK Product Version:Version 4.5.2 (4G2008a)
Classification:Serious Bug Reproducible:Always
 
24-Dec-2012 12:31 AM Heath Borders:
Summary:
NSFetchedResultsController doesn't call -[NSFetchedResultsControllerDelegate controllerDidChangeContent:] when a managed object that isn't part of the NSFRC's initial fetchedObjects is updated.

Steps to Reproduce:

Run the attached project.

Expected Results:

-[NSFetchedResultsControllerDelegate controllerDidChangeContent:] is called.
NSManagedObjectContextObjectsDidChangeNotification is posted.

Actual Results:

-[NSFetchedResultsControllerDelegate controllerDidChangeContent:] isn't called.
NSManagedObjectContextObjectsDidChangeNotification isn't posted.

Regression:

Notes:
Attached project available at https://github.com/hborders/NSFetchedResultsControllerUpdateUnfetchedBug

24-Dec-2012 12:31 AM Heath Borders:
'NSFetchedResultsControllerUpdateUnfetchedBug.zip' was successfully uploaded

Comments

Workaround

We stumbled over this today and found an interesting workaround:

http://stackoverflow.com/questions/3923826/nsfetchedresultscontroller-with-predicate-ignores-changes-merged-from-different/3927811#3927811

By peymano at Oct. 31, 2013, 6:04 p.m. (reply...)

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