[Please quote when replying.  Otherwise the discussion is impossible to 
follow.]

Javier Ruiz wrote:
> Yep that's finally how I will have to do it... but this is not what I
> wanted. A has_one relation means that I have to access things like:
> 
> Anotherclass.property
> Anotherclass.childclass.specific_property
> Anotherclass.childclass.parentclass.common_property

That makes sense from a relational point of view.  If you don't like it, 
then use STI.

> 
> And more important... I need to manually manage related objects (or
> create hooks os similar). I mean I need for example to do something
> like:
> 
> a = Anotherclass.new
> b = Childclass.new
> a.childclass = b
> 
> ... and so on...

You'd need to do that regardless of whether your original idea worked.

> 
> I was thinking "rails' magic" was really magic ;-)

I suppose it is, but it doesn't extend to spreading one class across 
multiple tables.

If you were ambitious, you probably *could* extend ActiveRecord to do 
that, but I'm not sure it's a good idea -- it's trying to impose too 
much of an OO approach on a relational DB.  Alternatively, you could try 
an OODB like GemStone/MagLev.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]

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