Question

我意识到这可能不是＆＃34;最佳实践＆＃34;但这是一种临时修复/实验。我尝试使用rails控制台更新Heroku上的记录，但每当我保存它时它就会回滚。

UserAdmin = User.find_by(email: "User@example.com")
UserAdmin.admin = true
UserAdmin.save

结果是：

   (0.6ms)  BEGIN
   (0.6ms)  BEGIN
  User Exists (0.6ms)  SELECT  1 AS one FROM "users" WHERE (LOWER("users"."email") = LOWER('User@example.com') AND "users"."id" != 3) LIMIT 1
  User Exists (0.6ms)  SELECT  1 AS one FROM "users" WHERE (LOWER("users"."email") = LOWER('User@example.com') AND "users"."id" != 3) LIMIT 1
  User Exists (0.5ms)  SELECT  1 AS one FROM "users" WHERE (LOWER("users"."user_name") = LOWER('example') AND "users"."id" != 3) LIMIT 1
  User Exists (0.5ms)  SELECT  1 AS one FROM "users" WHERE (LOWER("users"."user_name") = LOWER('example') AND "users"."id" != 3) LIMIT 1
   (0.4ms)  ROLLBACK
   (0.4ms)  ROLLBACK

我是不是错了？是否有任何特殊原因记录没有保存在Heroku上？

Answer 1

如果你这样做，你会得到什么：

  user_admin = User.find_by(email: "User@example.com")
  user_admin.admin = true
  user_admin.valid?
  user_admin.errors.full_messages

（我意识到这还不是答案，但是以这种方式发布，因为评论太杂乱了。）

使用rails控制台更新Heroku记录

1 个答案: