Rails: Using greater than/less than with a where statement

Bonus

Starting in Rails 5 you can also do this with dates!

User.where(created_at: 3.days.ago..DateTime::Infinity.new)

will generate the SQL

SELECT `users`.* FROM `users` WHERE (`users`.`created_at` >= '2018-07-07 17:00:51')

Double Bonus

Once Ruby 2.6 is released (December 25, 2018) you’ll be able to use the new infinite range syntax! Instead of 201..Float::INFINITY you’ll be able to just write 201... More info in this blog post.

Source: Rails: Using greater than/less than with a where statement - Stack Overflow

The Date.tomorrow.. syntax is much more readable than some Arel incantation including gt. I’ll actually remember this compared to the Arel version.