i do it for rails 3 but i think that will work for you too in the migration...
create_table :likes do |t| t.references :likeable, polimorphyc => true #with that, rails build likeable_id for the id of the others tables, and likeable_type for identify the table ..... .... end in like model belongs_to :likeable, :polymorphic => true ... in the other tables has_one :like, :as =>:likeable or has_many :like, :as =>:likeable take a look http://guides.rubyonrails.org/association_basics.htm On 10 ago, 14:26, Walter Lee Davis <[email protected]> wrote: > On Aug 9, 2011, at 2:09 PM, Rahul wrote: > > > Hi, > > > Consider this scenario, I have a table which stores the > > "likes" and it would stores the likes from all sorts of tables like > > blogs,comments, postings, reviews, etc. So the table has the following > > columns(id, like_id and type) where like_id is the id from any of the > > previous mentioned tables and type would be single char column to > > identify the foreign key table(B for blog, C for comments and so on). > > How am i supposed to create the relation between like table and the > > other tables? > > Have a look at any of the polymorphic tagging libraries out there for > an architectural model. The last time I did this, I used mbleigh-acts- > as-taggable-on (Rails 2.3). But there were lots of other examples out > there in that vein. > > Walter -- 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 [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.
