On Oct 9, 2008, at 1:40 PM, Ben Trumbull wrote:
That said, the addition of setRelationshipKeyPathsForPrefetching
seemed to help even the SMB setup.
Not surprising. More fetching will reduce the window of opportunity
for caching problems. I'm guessing you are mostly impacted by the
staleness interval over network FS issue.
I'm having a similar problem as the OP, except that I'm not using a
network, just plain ol' HFS+. But I've found that, if I have two
applications using the same data store, and one of them adds a record
into a mandatory-on-the-one-side one-to-many relationship with another
record, then even with calling -refreshObject:mergeChanges: in the
other app (where supposedly everything is supposed to revert to being
a fault), the relationship between records is not updated unless the
relationship is refreshed using -setRelationshipKeyPathsForPrefetching:.
Why is this happening? Why does -refreshObject:mergeChanges:
apparently not work on relationships on a local volume?
Nick Zitzmann
<http://www.chronosnet.com/>
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