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core data key value path

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core data key value path

Subject: core data key value path
From: Camille GOUREAU-SUIGNARD <email@hidden>
Date: Sat, 24 Feb 2007 14:55:27 +0100

Hi,

I use core data, with several entities linked via relationships.

Entity A has a to one relashionship (named: 'relat') to entity B.
Entity B has an attribute named 'attrib'.

I have an NSarray containig A instances.
i would like to sort that array on relat.attrib key value.

[anArray sortedArrayUsingDescriptors: [NSArray arrayWithObject: @"relat.attrib"]] does not work, beause 'relat.attrib is searched a an A key value.

How can I specify that it's a key value PATH ?

Thank you.


Et mon blog: www.lutin-ludique.com/bradype/


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