I'd also chime in that if you create a model named 'Module', Rails will most likely break in really interesting ways, as Module is a reserved word in Ruby...
--Matt Jones On Jun 7, 3:12 am, Frederick Cheung <[email protected]> wrote: > On Jun 7, 3:29 am, Ritvvij <[email protected]> wrote: > > > Hello guys, > > > Need help!! Finding it hard to model the 'model' :P within the given > > rails associations. > > > In java terms, my requirements are... > > > There are 3 entities - module, chapter and activity. > > > Chapter entity is a specilization of Module entity (inheritence) > > Activity entity is a specialization of Module entity (inheritence) > > And the tables would have looked like: > > 1. Module table = Module_Id, Entity_type, .... > > 2. Chapter = Chapter_id, ..... > > 3. Activity = Activity_id, ...... > > > Hence, if I create a chapter then the tables would be populated as: > > Module table = Module_Id, Entity_type, .... = values ( 100, > > chapter , .... ) > > Chapter table = chapter_id, ..... = values ( 100, .... ) > > Basically, the ids of chapter and module would be same and module > > table would store the type. > > That wouldn't be the rails way of doing it. In rails you'd probably > either use single table inheritance or a polymorphic association. > > Fred > > > Now, if I create a activity then the tables would be populated as: > > Module table = Module_Id, Entity_type, .... = values ( 101, > > activity , .... ) > > Activity table = activity_id, ..... = values ( 100, .... ) > > Basically, the ids of activity and module would be same and module > > table would store the type. > > > Can you please guide me how I can model it similarly in rails 2.3.2? > > > Thanks in advance > > Ritvvij Parrilkh --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
