The solution is found here: http://stackoverflow.com/questions/24607428/rubyonrails-counting-the-result-of-a-join
Basically, I need to specify in my :dicts model, that there is an association to :cards # in class Dict: has_many :idioms, through: :cards After this, I can do: idioms.where(kind: kind).exists? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/ec99a75a5db0a6aba69f649ffbf01bba%40ruby-forum.com. For more options, visit https://groups.google.com/d/optout.
