update시에는 validation check를 create시와 다르게 해야됩니다. stackoverflow.com/questions/31646452/unique-together-is-not-allowing-to-update-record unique_together is not allowing to update record I am working on implemeting Like/Unlike feature in API for mobile app via Django Rest Framework. So I have following model: class PlaylistLikes(models.Model): user = models.ForeignKey(User) stackoverflow.com 예를들면 위 ..