ruby-on-rails-3 – ActiveRecord IS NOT NULL sql finder

以下finder打印出IS NULL.

User.where(:id =>nil) #=> []
User Load (0.5ms)  SELECT `users`.* FROM `users` WHERE `users`.`id` IS NULL ORDER BY created_at DESC

但是我找不到如何打印IS NOT NULL？

解决方法

最简单的惯用ActiveRecord解决方案：

User.where.not(id: nil)