[Nitro] nice post

[George Moschovitis]

> The simplest is to put all classes in the inheritance chain in a single
> table (which is what Tangram does).

Og implements the Single Table Inheritance pattern. Have a look at

test/og/tc_inheritance.rb for example.

>  Another way is to duplicate the
> table for the subclass with the same columns as the super class and then
> add columns to this new table for the new attributes defined in the
> subclass.

This is the defaultfor Og, ie what Og does if no STI directive is given.

-g.

-- 
http://www.gmosx.com
http://www.nitroproject.org