ActiveRecord

ActiveRecord で更新した diff 知りたいとき

user レコードの uid, name をアップデートした diff (id, created_at, updated_at の diff は抜いた) (main)> user = User.find 1 (main)> old_user = user.dup (main)> user.update(uid: 'fugafuga', name: 'ふが') (main)> diff = (user.attributes.to_…