Skip to content

Instantly share code, notes, and snippets.

@anggiaj

anggiaj/one_many.rb

Created September 2, 2016 00:46
Show Gist options
  • Save anggiaj/cd649eb3dbeb83ee26edf436cfb8105b to your computer and use it in GitHub Desktop.
Save anggiaj/cd649eb3dbeb83ee26edf436cfb8105b to your computer and use it in GitHub Desktop.
Download ZIP
Raw
one_many.rb
# find something that has more than one of something
Account.joins(:users).select('accounts.id').group('accounts.id').having('count(users.id) > 1')
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment