STI is a good approach, but my "subtables" have additional attributes and afaik this isn't supportet by STI, is it?
For example: user << Base id firstname lastname address end employee << user <all of the above and additionally:> salary end On 22 Mai, 10:41, Colin Law <[email protected]> wrote: > On 22 May 2011 09:37, Wolfgang <[email protected]> wrote: > > > > > > > > > > > Hello Guys, > > > does anybody know wheter RoR is able to implement a generalisation of > > a database? I didn't find any solution for that on the internet. > > > Example > > > Person : Customer > > > or > > > Person : Employee > > > in the database such a generalisation is characterized by having the > > same PK in Customer and Person or Employee and Person! > > Would Single Table Inheritance (STI) dowhat you want? > > Colin -- 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.

