Returning an empty scope can come in handy, e.g. as a default object. In Rails 4 you can achieve this by calling none Show archive.org snapshot on your ActiveRecord model.

    MyModel.none # returns an empty ActiveRecord::Relation object

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

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Read more Show archive.org snapshot

For older Rails versions you can use the attached initializer to get a none scope.