RE: CoreData & Bindings: How to make a predicate search a to-many rel ationship
RE: CoreData & Bindings: How to make a predicate search a to-many rel ationship
- Subject: RE: CoreData & Bindings: How to make a predicate search a to-many rel ationship
- From: Oliver Donald <email@hidden>
- Date: Tue, 2 Aug 2005 10:40:59 +0100
Thankyou!
I read the documentation but managed to miss that part.
As far as using LIKE... etc etc instead of CONTAINS[c] is concerned, that
was odd. In my app, CONTAINS[c] works how I wanted, but not very
consistently. Sometimes it seems to work, sometimes it doesn't. I've yet to
find a pattern...is this a known bug?
-----Original Message-----
From: mmalcolm crawford [mailto:email@hidden]
Sent: 01 August 2005 20:28
To: cocoa-dev List
Subject: Re: CoreData & Bindings: How to make a predicate search a
to-many rel ationship
On Aug 1, 2005, at 8:38 AM, Oliver Donald wrote:
> chapters.name contains[c] $value
> ...and although no obvious errors are thrown up, no search queries
> return
> any hits. I guess this is because it is a to-many relationship,
> unlike the
> one before which is to-one. How would I go about searching through
> all the
> objects in a to-many relationship like this?
>
ANY chapters.name OPERATOR[c] $value
(See <http://developer.apple.com/documentation/Cocoa/Conceptual/
Predicates/Articles/pBasics.html>.)
For some reason I don't think CONTAINS works, use BEGINSWITH, LIKE,
MATCHES...
mmalc
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