If I understand correctly what you need, a computer may belong to many
users and one user can have many computer, right? same for phones, I
assume.

In this case, the relationship is :has_and_belongs_to_many, but you do
not need the classes OwnComputer and the other one. you just need two
tables (without id) which will contain, for each record, a couple of
id identifying one coupling (user-computer for one table, user-phone
for the other).
have a look at:
http://wiki.rubyonrails.org/rails/pages/has_and_belongs_to_many
for naming conventions.

Regards,

Rey9999

On 10 Feb, 15:31, James Bond <[email protected]> wrote:
> I have tables:
>
> users (id, name)
> computers (id, name)
> mobiltelefons (id, name)
>
> OwnComputers (id, user_id, computer_id)
> OwnMobiltelefons (id, user_id, mobiltelefon_id)
>
> So is it  has_many :through or has_and_belongs_to_many or what?
>
> I only need to search one "own" table at time:
> All computers that user "xx" owns OR
> All Mobiltelefons that user "xx" owns OR
> who owns mobilitefon "zz" OR
> who owns computer "yy"
>
> So...
>
> class Computers < ActiveRecord::Base
>   has_many :OwnComputer
>   has_many :user, :through => :OwnComputer
> end
>
> class OwnComputers < ActiveRecord::Base
>   belongs_to :Computer
>   belongs_to :User
> end
>
> class Users < ActiveRecord::Base
>   ???
> end
>
> class Mobiltelefons < ActiveRecord::Base
>   ???
> end
>
> class OwnMobiltelefons < ActiveRecord::Base
>   ???
> end
> --
> Posted viahttp://www.ruby-forum.com/.
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