Thanks Joshua, very useful link

On Oct 9, 2:03 am, Joshua Martin <[email protected]> wrote:
> I recommend watching this Railscast 
> (http://railscasts.com/episodes/202-active-record-queries-in-rails-3).. It
> helped me get a handle on AR 3's new query concept.
>
> On Fri, Oct 8, 2010 at 1:57 PM, Christian Fazzini <
>
>
>
> [email protected]> wrote:
> > The following SQL:
>
> > select * from medias m
> > left join artists a on a.id = m.artist_id
> > left join users u on u.id = a.user_id
> > left join genres g on g.id = u.genre_id
> > where g.name = 'Acoustic'
>
> > is the equivalent to (which works):
>
> > Video.find(:all, :conditions => ['genres.name = ?',
> > 'Acoustic'], :include => {:artist => {:user => :genre}})
>
> > However, I know that the rails 3 active record query uses the .where()
> > clause. How can I convert the above to something like:
>
> > Song.where({:genre => 'Acoustic', :include => {:artist => {:user
> > => :genre}}}) <==== Does NOT work
>
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> --
> _________________________________
>
> Joshua S. Martin

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