I am trying to write a few fetched properties for an entity but am running into problems.
Apparently any predicate that involves arithmetic, such as "a == b + 1" or even "a == 1 + 1" ("a = 2" works of course) fails during build with the following exception:
2005-10-27 17:57:41.182 momc[3295] *** +[_NSPredicateUtilities encodeWithCoder:]: selector not recognized
2005-10-27 17:57:41.183 momc[3295] *** Uncaught exception: <NSInvalidArgumentException> *** +[_NSPredicateUtilities encodeWithCoder:]: selector not recognized
Is this a broken feature or why can't this predicate be serialized? The predicate works as expected if generated in the code itself.
It looks like anything Predicate Builder can't parse into components is shown as a single "Expression", and such an expression also happens to be what Predicate Builder's utilities fail to be able to serialize...?
/Christoffer
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