#Rails の ActiveRecord create の返り値で レコードが作成保存されたかどうかを確認する ( persisted? ) - Qiita

# ------------------------- # 作成成功ケース # ------------------------- succeeded_created = User.create(name: "yy") # (1.0ms) BEGIN # User Exists (1.4ms) SELECT 1 AS one FROM `users` WHERE `users`.`name` = BINARY 'yy' LIMIT 1 # User Create (1.4ms) INSERT INTO `users` (`name`, `created_at`) VALUES ('yy', '2020-02-13 23:42:17') # (4.9ms) COMMIT succeeded_created.persisted? # => true succeeded_created.vali