Sorry, I mean get the list of user id ...
cuz my query depends on user.id .. so i want to have a list which is array
to go through
the album..




On Mon, Jun 13, 2011 at 1:53 PM, Michael Pavling <[email protected]> wrote:

> On 13 June 2011 18:33, Yennie <[email protected]> wrote:
> >  @id  = User.find(:all,  :select => 'users.id')
> >        @id.each do |i|
> >           @pic =  ActiveRecord::Base.connection.select_value(
> >                                                    select picture
> > from albums a
> >                                                    inner join Users u
> > on u.id = a.id
> >                                                    where u.id  = i )
> >       end
> > end
> >
> > please give me some advices...
>
> Assuming your users have a "has_many :pictures" relationship:
>
>  @pictures = User.all.map(&:pictures).flatten
>
> Or if your Users have many Albums, and Albums have many Pictures:
>
>  @pictures = User.all.map(&:albums).flatten.map(&:pictures).flatten
>
> (can probably use .inject to make that smaller, but you can look that
> up in the api docs)
>
> then you can iterate @pictures however you want in your views.
>
> but.... hang on...
>
> Aren't you just getting a list of all the Pictures? Why not use
> "Picture.all"?
>
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