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: Gustavo Pizano <email@hidden>
- Date: Sat, 15 May 2010 20:23:04 +0200
OHHHHH!!
You are right..
I forgot my discrete maths classes... :S
so I have to return an array isn't it?
ok I wil create the proper method to return the NSArray;
g.
On 15.5.2010, at 20:14, Quincey Morris wrote:
> 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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