What happens if you just leave the :source part out? I've never had to use that.
Op dinsdag 29 juli 2008 20:00:23 UTC+2 schreef mfairchi het volgende: > > Hello, > I've used has_many :through many times with success but for > somereason am being stymied this time. Perhaps someone else can see > what I am not. > The three relevant models are these: > > class Playlist < ActiveRecord::Base > has_many :songs, :through => 'playlist_songs', :source=>:song > has_many :playlist_songs > end > > class PlaylistSong < ActiveRecord::Base > set_table_name 'playlist_songs' > belongs_to :playlist > belongs_to :song > end > > class Song < ActiveRecord::Base > has_many :playlists, :trhough=>'playlist_songs' > end > > when I try and use Playlist.songs i get an error, demonstrated below, > > >> pl=Playlist.find :first > => #<Playlist id: 1, name: "stimbletunes", updated_at: "2008-07-28 > 16:38:10", description: nil, created_at: "2008-07-28 16:38:10"> > >> pl.songs > ActiveRecord::HasManyThroughAssociationNotFoundError: Could not find > the association "playlist_song" in model Playlist > from /opt/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/ > active_record/reflection.rb:195:in `check_validity!' > from /opt/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/ > active_record/associations/has_many_through_association.rb:5:in > `initialize' > from /opt/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/ > active_record/associations.rb:1128:in `new' > from /opt/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/ > active_record/associations.rb:1128:in `songs' > from (irb):7 > >> pl.songs.new > ActiveRecord::HasManyThroughAssociationNotFoundError: Could not find > the association "playlist_song" in model Playlist > > > If anyboday has an idea what I should do differently, please let me > know. > Thanks, > Michael Fairchild -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/UUnbaJZFDjQJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
