On Apr 30, 2009, at 12:56 PM, Commander Johnson wrote:
> Did you consider
>
> has_one :wife
>
> And in Wife.rb
>
> belongs_to :man
Or:
class Wife
has_many :marriages
has_one :current_marriage, :class_name => 'Marriage', :conditions
=> { :current => true }
has_one :husband, :through => :current_marriage
end
class Marriage
belongs_to :wife
belongs_to :husband
end
class Husband
has_many :marriages
has_one :current_marriage, :class_name => 'Marriage', :conditions
=> { :current => true }
has_one :wife, :through => :current_marriage
end
-Rob
Rob Biedenharn http://agileconsultingllc.com
[email protected]
> On Thu, Apr 30, 2009 at 6:49 PM, serenobs <[email protected]> wrote:
>
> (my post was deleted i don't know why)
> Hi. I have a question.
> for example, when model records about man, suppose man can marry with
> 1 woman.
> then i think code will be like this
> class Man < ActiveRecord::Base
> has_many: wife
> end
>
> Because one man can marry with up to 1 woman( 0 or 1 )
> it can't be 1:1 relationship, didn't it?
> but at the same time more than 1 wife is not allowed.
> then how can i model this relationship into rails code?
> has_many :limit option is fit for this relation?
>
> Thanks.
> and i wish it is not deleted again. If it should be deleted please let
> me know why it should be.
>
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