Re: Question about Core Data Inverse Relationships

Forgot to attach the diagram:



On Sep 19, 2009, at 9:09 PM, Bennett Smith wrote:

> Hello
>
> I am stuck on a problem that I just can't figure out.  I am very new  
> to Core Data so it might just be that I am going about this wrong. I  
> want to setup a model for something like this:
>
>
> The currentAttributes and oldAttributes relationships in User are  
> configured as "to-many relationships." My problem is in figuring out  
> how to set an inverse relationship in the Attribute class. It seems  
> like I cannot have an inverse relationship that points back to User  
> for all Attribute entities in this case. (At least I can't figure  
> out how to do it in Xcode.)
>
> The purpose for this model is to allow me to track a set of  
> attributes associated with a user and to keep track of any changes  
> in the attribute values over time. A change is defined as replacing  
> the value associated with the attribute or deleting an attribute. I  
> am open to other suggestions on how to achieve this goal using Core  
> Data.
>
> Thanks
>
> -- Bennett
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