Rails where date is greater than given date query

In recent versions of rails, you can do this:

User.where(created_at: 3.days.ago..Time.now)

See some other examples here: https://stackoverflow.com/a/24150094

Rails 3+ :

Movie.where('release > ?', DateTime.now)

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Pre Rails 3

Movie.where(['release > ?', DateTime.now])

Update

Rails core team decided to revert this change for a while, in order to discuss it in more detail. See this comment and this PR for more info.

I am leaving my answer only for educational purposes.

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new 'syntax' for comparison in Rails 6.1 (Reverted)

Movie.where('release >': DateTime.now)

Here is a link to PR where you can find more examples.