context.fetch() in swift
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Users") //request.predicate = NSPredicate(format: "age = %@", "12") request.returnsObjectsAsFaults = false do { let result = try context.fetch(request) for data in result as! [NSManagedObject] { print(data.value(forKey: "username") as! String) } } catch { print("Failed") }
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