Predicate failing with UUID's?

Question

I have a fairly simple Categories class shown at the bottom of the post. keyValue is a UUID value, but this predicate is failing.

let keyPredicate = #Predicate<Categories> { $0.uuidKey == keyValue }

When I use it in a fetch request I get the very uninformative error The operation couldn’t be completed. (SwiftData.SwiftDataError error 1.).

Fetching var keyDescriptor = FetchDescriptor<Categories>() returns a nice array.

let test = try modelContext.fetch(keyDescriptor)
let filterTest = test.filter { 
    $0.uuidKey == keyValue
}

filterTest returns a very nice filtered array with one Categories instance as I expect. Any suggestions why the #Predicate doesn't work aside from this being beta software?

@Model
class Categories: Identifiable {
    
    // MARK: Identifiable
    var id: UUID { return uuidKey }
    
     // MARK: - Properties
    @Attribute(.unique) var uuidKey: UUID = UUID()
    // var uuidKey: UUID = UUID()
    var dateCreated: Date = Date()
    var dateModified: Date = Date()
    var dateRealm: Date? = nil
    var uuidUser: UUID = UUID()
    var uuidFamily: UUID = UUID()
    var myName: String = ""
}

Xcode Version 15.0 beta (15A5160n)

Could you show the code where you use the predicate? – Joakim Danielson Jun 25 '23 at 15:23 — Joakim Danielson, Jun 25 '23 at 15:23
Problem went away in Xcode Version 15.0 beta 2 (15A5161b). – adamek Jun 28 '23 at 00:16 — adamek, Jun 28 '23 at 00:16

Predicate failing with UUID's?

0 Answers0