Hi all,
I have cascading popup buttons that are narrowing down to a particular
instance of an entity and one of the popups is populated with the field from a
relationship on that entity.
So, the fetch spec. has a qualifier consisting of the values of all the
previous choices and it retrieves the narrowed set of objects. Next, I iterate
through the results adding the object from the relationship to a NSMutableArray
for display. It is at this point that, periodically, the relationship returns
null instead of the object. This is a test system so there is only one entity
in the database and this relationship should definitely return an item. If I
do this in reverse... I preform the fetch on the relationship's entity and use
key paths in the qualifier back to the master entity it seems to go away (this
is hideous).
So, to sum it up... even though the fetch returns the correct results, it seems
the proxy load of the relationship slave entity sometimes fails.
This is on a PostgreSQL DB, btw.
Has anyone ever seen issues when faulting objects from a relationship? Is it
not guaranteed to return an object even if the inner join is definitely valid?
Thanks.
-Mike
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