I can`t put the conditionbs in the Library.find, because this
relashionship is uses in other part of code.
How to call named scope in this case?





On 31 jul, 16:44, Colin Law <[email protected]> wrote:
> 2009/7/31 Italo Matos <[email protected]>:
>
>
>
> > i have:
>
> > class Library << ActiveRecord::Base
> >      has_many :books
> > end
>
> > class Book << ActiveRecord::Base
> >     belongs_to :library
> > end
>
> > in my controller i have:
>
> > render :xml=> Library.find(:all).to_xml(:include=>books)
> > but, i would like put a condition in the books ( e.: pages >= 100 )
>
> > i would like to create a xml with all Libraries, but books with pages more
> > than 100)
>
> Just put the conditions in the Library.find call, ie ["books.pages >=
> ?", 100] or similar. Or better still provide a named scope in Library
> to do this.
>
> Colin
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