On Tuesday, February 26, 2013 7:35:23 PM UTC, xop wrote:
> When using "attributes=" for an object with a accepts_nested_attributes_for a
> model
> that has a has_many relationship will cause the has_many array to be
> appended-to
> instead of being replaced as would be expected by a straight assignment
> operation.
>
>
attributes= has always behaved like that ( the name is bad - it's not really an
accessor at all. The newer name is assign_attributes)
Fred
> See this example:
>
>
> class Member < ActiveRecord::Base
> has_many :posts
> accepts_nested_attributes_for :posts
> end
>
>
> class Post < ActiveRecord::Base
> belongs_to :member
> end
>
>
> m=Member.new
> p={:name => 'joe', :posts_attributes => [{:title=>'t1'},{:title=>'t2'}]}
>
>
> m.attributes = p
> m.posts.size ----> 2
>
>
> m.attributes = p
> m.posts.size ----> 4
>
>
> Is this a feature or a bug? If it is a feature, how is it supposed to be
> used?
--
You received this message because you are subscribed to the Google Groups "Ruby
on Rails: Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msg/rubyonrails-talk/-/94kv3wlP3SkJ.
For more options, visit https://groups.google.com/groups/opt_out.
