On May 25, 2009, at 12:15 AM, Kelvin Chung wrote:
Is there a way to represent an ordered to-many relation?
It sounds like you need Brain Webster's BWOrderedManagedObject:
http://www.fatcatsoftware.com/blog/2008/per-object-ordered-relationships-using-core-data
It adds mutableOrderedValueForKe
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
option
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 enti
Is there a way to represent an ordered to-many relation? For example,
suppose you have an entity, Person, related to itself (one-to-many).
Now suppose Alice is related to Carol and Dave, and Bob is related to
Dave and Carol, in the order prescribed.
Is there a way to model that using a re
