Re: Sorting the NSSet of a NSManagedObject's attribute
Re: Sorting the NSSet of a NSManagedObject's attribute
- Subject: Re: Sorting the NSSet of a NSManagedObject's attribute
- From: Quincey Morris <email@hidden>
- Date: Sat, 15 May 2010 11:14:08 -0700
On May 15, 2010, at 10:42, Gustavo Pizano wrote:
> NSSet * sortedtoRet = [NSSet setWithArray:[[toRet allObjects] sortedArrayUsingDescriptors:[NSArray arrayWithObject:descriptor]]];
> return sortedtoRet;
> }
>
> but :S.. of course it doesn't work,
> I read I can apply to the NSFetchRequest the NSSortDEscriptor, but I already have the Invoice fetched from the NSArrayController of invoices...
>
> What shall I modify in the accesor in order to get always ordered the ItemsXInvoice NSSet form the instance of Invoice?...
Um, you're returning a *set*. It's not ordered. It's a set. Sets don't have an order. As in *un*ordered. See where this is going? :)
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