On Jul 12, 2009, at 12:05, Fritz Anderson wrote:
I have an entity, "Sale," that has a transient attribute
"latestDate." It is marked optional/transient/indexed in the MOM;
I've also tried it without setting optional. I set latestDate in
awakeFromFetch and awakeFromInsert. I use [NSDate
dateWithTimeIntervalSinceReferenceDate: 0] as a flag value.
...
The execute... method raises
'NSInvalidArgumentException', reason: 'keypath latestDate not found
in entity <NSSQLEntity Sale id=2>'
The documentation:
http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/CoreData/Articles/cdFetching.html
says: "Note that you cannot fetch using a predicate based on transient
properties".
I think that pretty much covers it. :)
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