EOFetchSpecification prefetching and Multiple EOModels
EOFetchSpecification prefetching and Multiple EOModels
- Subject: EOFetchSpecification prefetching and Multiple EOModels
- From: David Avendasora <email@hidden>
- Date: Wed, 11 Mar 2009 12:46:13 -0400
Hi all,
I've run into something that I haven't been able to find documented
anywhere, but does seem to fit with other Cross-Model relationship
issues (http://lists.apple.com/archives/Webobjects-dev/2008/Dec/msg00058.html
).
If you have a cross-model relationship, you can't prefetch the
relationship when constructing an EOFetchSpecification. It will simply
return null, or an empty NSArray if it is a to-many relationship.
Subsequent calls to the relationship simply return null or the empty
NSArray.
Is this the expected behavior? It seems logical, but unexpected to me
(Yes, those two concepts can coexist simultaneously in my brain).
Dave
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