Rails: How to get objects with at least one child?

Question

After googling, browsing SO and reading, there doesn\'t seem to be a Rails-style way to efficiently get only those Parent objects which have at leas

Answer 1

As of Rails 5.1, uniq is deprecated and distinct should be used instead.

Parent.joins(:children).distinct

This is a follow-up on Chris Bailey's answer. .all is removed as well from the original answer as it doesn't add anything.