Didn't the OP want the relatives joined in a specific order (or, at
least, be able to retrieve them in a specific order)?
"in the order prescribed."
To do that, joins alone won't satisfy his query (Core Data structures
are not guaranteed to return in any order). As I read them, his
options were "joins only" or "some other structure."
In the OP's case, he'd need to have (as one possible solution) both a
relationship entity and an order attribute of some kind in that entity
to answer his request (the order attribute would also be as per dox).
This would be the "other structure," at least from my perspective.
Peace, Love, and Light,
/s/ Jon C. Munson II
Quoting Jerry Krinock <je...@ieee.org>:
If there's only two relatives, as in your example, use two to-one
relationships.
If there's an indeterminate number, you can add an intermediate
"joiner" entity, as explained here:
http://www.cocoabuilder.com/archive/message/cocoa/2007/9/16/189293
The above joins between two different entities, so you'll modify it to
join the same entity. All data modelling situations are a little
different.
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