There clearly is a difference since fetching is *much* slower that
objectWithID: then testing using try/catch is the object is a fault or
not.
I'm puzzled... it works bout I would like to know the real difference
here.
Aurélien,
Objective Decision Team
On 20 mai 09, at 12:03, Aurélien Hugelé wrote:
Hi list !
I have a subthread that sends to my main thread some objectIDs (of
objects it inserted in the same store (same PSC))
I have 2 MOCs, one per thread, sharing the same PSC (following
advices from the doc...)
In the main thread, using objectWithID: repeatedly on each objectID
sent by the subthread returns the object that was inserted in the
background thread. This is exactly what I want.
But reading from the doc, it seems that we are encouraged to use a
fetch using "self IN %@",listOfObjectIDs instead of objectWithID:
since it is faster for many objects...
Unfortunately, this fetch returns 0 results (and yes this is the
correct entity, store and moc...)
what does objectWithID: *exactly* do that a fetch does not ??
Thanks for your help.
Aurelien
Aurélien,
Objective Decision Team
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