Re: Rails - associations help

Arun Srini
Thu, 29 Apr 2010 02:09:05 -0000

Thanks for the code and also for the note. I''ve changed the var to
db_type. Also, what is the difference between having the :foreign_key
=> ''defuser'' and not, in your case of the first code and
the 2nd?

Also, is there an IRC channel for rails?

On Apr 28, 1:52 pm, Sharagoz
<shara...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Are you trying to link Dbase to a user as defuser (default_user)?
> If so, this would work
>
> class Dbase < ActiveRecord::Base
>   belongs_to(:defuser, :class_name => ''User'',
:foreign_key =>
> ''defuser'')
> end
>
> It would be better rails practice to call the column
> "default_user_id", and then make the association like this:
>
> class Dbase < ActiveRecord::Base
>   belongs_to(:default_user, :class_name => ''User'')
> end
>
> Btw, the column name "type" is a reserved rails. It is used for
single
> table inheritance.
> Unless you are using single table inheritance here, I suggest you
> rename it to dbase_type, otherwise you may encounter strange error
> messages.
>
> On Apr 28, 7:34 am, Arun Srini
<arunro...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
>
>
> > Hi
> > I have two models .
> > Dbase
> > --------
> > name
> > vendor
> > type
> > port
> > defuser - default user name
>
> > Users
> > -------
> > username
> > password
> > email
>
> > I need to build an association between these two in that the dbase
> > model''s defuser needs to be present in the users table. I am
from a
> > relational database background so am trying hard to understand rails
> > associations.
> > What should I do to associate the dbase''s defuser - >
users.username?
> > I read the documents and everything was based on the column
''id''.
>
> > Any help is appreciated.
>
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