Re: Sort Ordering while using relationships
Re: Sort Ordering while using relationships
- Subject: Re: Sort Ordering while using relationships
- From: "Anurag Khare" <email@hidden>
- Date: Sat, 10 May 2003 12:17:00 -0700
Thanks for the clarification... I have been able to sort them in memory...
Anurag
From: Art Isbell <email@hidden>
To: email@hidden
Subject: Re: Sort Ordering while using relationships
Date: Fri, 9 May 2003 13:28:09 -1000
On Friday, May 9, 2003, at 07:10 AM, Anurag Khare wrote:
In my EOModel EntityA is having a to-many relationship with EntityB. I am
able to fetch records from EntityB through relationship speicfying fetch
spec containing Relationship.EntityBAttribute. But in SortOrdering option
when I specify Relationship.EntityBAttribute, it dooesn't display ordered
objects. It looks as if I haven't used any SortOrdering option in the
EOModel.
Is the generated SQL specifying the sorting that you expect?
I am definitely missing something. Or is it that I can not use
EntityBAttribute to sort order objects?
The EntityA objects should be sorted by Relationship.EntityBAttribute, but
the EntityB objects won't be sorted in this manner. If you've fetched
EntityA objects, you can sort those EntityB objects related to a particular
EntityA object in memory:
NSArray sortedObjects =
EOSortOrdering.sortedArrayUsingKeyOrderArray(entityAObject.entityBs,
new NSArray(new
EOSortOrdering(entityBAttributeName, EOSortOrdering.CompareAscending)));
Aloha,
Art
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