If you want Rails to support composite primary keys you need to install a gem. Here's the projects github page: http://github.com/drnic/composite_primary_keys
On Apr 22, 7:27 am, soldier <[email protected]> wrote: > # File rails-2.3.2/activerecord/lib/active_record/base.rb, line 2576 > 2576: def destroy > 2577: unless new_record? > 2578: connection.delete( > 2579: "DELETE FROM #{self.class.quoted_table_name} " + > 2580: "WHERE > #{connection.quote_column_name(self.class.primary_key)} = > #{quoted_id}", > 2581: "#{self.class.name} Destroy" > 2582: ) > 2583: end > 2584: > 2585: freeze > 2586: end > > i think <agile rails 3rd> could help you about primary key and id. > > otherwise: > you can use DBI. > ActiveRecord::Base.connection().execute( "delete from table_name where id = > ?") > > 2010/4/22 Lee Smith <[email protected]>: > > > The finder works though. > > > It looks like destroy relies specifically on the id column...maybe > > there's a way to tell it otherwise? > > > -- > > 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 > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > -- > 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 > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- 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.
