Ask HN: Who and how uses ensuring_owner_was on ActiveRecord
Reading the docs for the `has_one` relation of ActiveRecord I found the option `ensuring_owner_was`
I didn't understand how to use it, so I looked for it on Github, but it doesn't seem very popular...
https://github.com/search?q=ensuring_owner_was+language%3ARuby+path%3Aapp%2Fmodels&type=code Look at actual ruby docs, not github. https://api.rubyonrails.org/classes/ActiveRecord/Association... Yes, I read the "Rails" docs—the same that you linked—but I wanted to see how other projects use it. My surprise was that only a public project on Github uses it.