On 18/08/10 18:25 +0200, Mathias Behrle wrote:
> * Betr.: " [tryton-dev] Product Attributes EAV model" (Wed, 18 Aug 2010
>   13:46:55 +0100):
> 
> > Hello All,
> > 
> > We have built a POC for the EAV [1] model of storing product attibutes. 
> > Quite
> > often we have to add extra fields to product depending on specific customer
> > installations. Like color, manufacturer etc.
> > 
> > This is a general approach to the problem by having a relationship between
> > products and attributes just like contact mechanisms of party.
> > 
> > I request your comments and code review on the same.
> > 
> > [1] http://en.wikipedia.org/wiki/Entity-attribute-value_model
> 
> Very interesting concept, thanks a lot!
> 
> For an even more generic generic way, I would even favor to put models
> 
> ProductAttributes -> Attribute
> ProductAttributeOptions -> AttributeOption
> 
> in a separate module attribute (thus they could be (re)used on a number of
> different objects where the same concept could be required (like party in 
> [1]))
> 
> and to do only the product specific implementation in module product_attribute
> containing models

But what will be the advantage to have all atributes in one table?
Because you will have the same attribute available for any Model, I find it
strange.


-- 
Cédric Krier

B2CK SPRL
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