ruby-on-rails - ActiveAdmin - 自定义范围

Question

我有一个带有 verified bool 标志的 Member 表，我有一个范围显示所有 verified 为 false 的条目，如下所示:

scope :not_verified do |members|
  members.where(:verified => false)
end

但是，我希望我的范围还包括 verified 为 null 的条目。我该怎么做？

Answer 1

scope :not_verified do |members|
    members.where('verified = ? OR verified IS NULL', false)
end