and don't forget to add to reviews model:
belongs_to :product, :counter_cache => true

On Mar 13, 11:51 pm, Tom Z Meinlschmidt <[email protected]>
wrote:
> easiest and fastest way is to keep number of reviews in column in
> product table... then simple add :order => 'reviews_count desc' in your
> Product.find()
>
> tom
>
>
>
> Robert Scott wrote:
> > Hi! I hope someone can offer some insight or direction into a problem
> > I'm having.
>
> > In my application, I have two tables: products and reviews.
>
> > - Products stores information on things that are sold
> > - Reviews store comments from users that purchased the product, as well
> > as boolean field about if they would purchase again.
>
> > The models are setup so that products has_many reviews and reviews
> > belong_to their respective products.
>
> > So my question is this:
> > How can I structure a query so that I can order products based on the
> > number of people who would purchase it again?
>
> > It'd be alot easier for me, and probably my server, if I just kept a
> > running count of those in the actual product record, but I'm trying to
> > keep it dynamic so that I can create custom reviewer sets elsewhere.
>
> > Thanks in advance for any direction.
>
> --
> ===============================================================================
> Tomas Meinlschmidt, MS {MCT, MCP+I, MCSE, AER}, NetApp Filer/NetCache
>
> www.meinlschmidt.com www.maxwellrender.cz www.lightgems.cz
> ===============================================================================

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