EXC_BAD_ACCESS when building nspredicate

Question

I am calculating the number of months between a birthdate and today. With that number, I am building a predicate to fetch objects from core data. Although the number of mont

Answer 1

The issue is the placeholder, not with NSPredicate directly, but with initWithFormat: that is innerly called.

%@ shouldn't be used with an int, use %d instead.

So this line:

NSPredicate *pred = [NSPredicate predicateWithFormat:@"(alter_min_monat > %@)", months];

Should be:

NSPredicate *pred = [NSPredicate predicateWithFormat:@"(alter_min_monat > %d)", months];

Other linked information : String Programming Guide: String Format Specifiers