Re: Core Data or not
Re: Core Data or not
- Subject: Re: Core Data or not
- From: Trygve Inda <email@hidden>
- Date: Sat, 06 Aug 2016 09:13:31 -0700
- Thread-topic: Core Data or not
> On Aug 6, 2016, at 1:46 AM, Trygve Inda <email@hidden> wrote:
>> For example, I would need to add items with ID# 204, 765, 983, 124, and 458
>> to the array. This seems like with Core Data it would be 5 different
>> fetches. Or is there some efficient way to fetch these 5 items in one
>> request?
>
> You could add an entity to your data model that represents the custom
> collection. It would have an attribute that is a one-to-many relationship to
> InterestingObject. If you only have one of those manually-constructed tables,
> your data store would only contain one instance of this entity. That's
> perfectly okay.
>
> --Andy
>
>
I can't do that at run time though. I need the user to be able to build
custom collections (like a custom iTunes playlist) that is a subset of the
full collection but not by any simple predicate criteria.
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