The typical way around this is to turn on counter caching for :comments, and filter against that.
--Matt Jones On Jul 22, 8:18 am, Joao Silva <rails-mailing-l...@andreas-s.net> wrote: > Hello, i have the following models in my application: > > class Message < ActiveRecord::Base > has_many :comments, :as => :commentable, :dependent => :destroy, > :order => 'created_at ASC' > end > > class Comment < ActiveRecord::Base > belongs_to :commentable, :polymorphic => true > end > > I need "commented" named scope, which do the follownig thing: > > Message.commented -> returns all messages where comments is > 0. > > How i can do this? > -- > Posted viahttp://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
