我想要至少养一只猫的人的所有结果。我试过这个:
let results = realm.objects(Person.self).filter("cats.count > 0")
但是我收到此错误:
Terminating app due to uncaught exception 'Invalid property name', reason: 'Property 'count' not found in object of type 'Cat''
人员对象如下所示:
class Person: Object {
@objc dynamic var name = ""
let cats = List<Cat>()
}
此筛选器的正确谓词是什么?
我离得很近!
let results = realm.objects(Person.self).filter("cats.@count > 0")
(count
前需要"@"(