Re: Object Identity Tests in Core Data
Re: Object Identity Tests in Core Data
- Subject: Re: Object Identity Tests in Core Data
- From: mmalcolm crawford <email@hidden>
- Date: Wed, 31 Aug 2005 00:34:35 -0700
On Aug 31, 2005, at 12:28 AM, Niko Matsakis wrote:
As far as I can tell, the predicate language doesn't really work
with pointers as much as strings and scalar fields.
I'm curious, what gives you this impression?
I guess it's that I didn't find documentation on what kinds of
types are available in predicates.
<http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/
Articles/cdFetching.html#//apple_ref/doc/uid/TP40002484/
DontLinkElementID_18>
I'm still not 100% convinced that there is only one NSManagedObject
instance for each object in my Core Data database; it seems like it
should work that way, but I didn't really see that in the
documentation.
<http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/
Articles/cdFaultUniquing.html#//apple_ref/doc/uid/TP30001202-185502-
TPXREF148>
mmalc
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