Rails - Apr 2009 - Many-To-Many relation - Creating all models in the same form

Hello,

I want to create a screen similar to the delicious one, where you can
assign tags dynamically

to the bookmarks, but I don''t have the tags neither the bookmark
created before the submit, and

all approaches that i tried resulted in the following error:

 "Cannot associate new records through
''Bookmark#taggings'' on ''#''.
Both records must have an id in order to create the has_many :through
record associating them."

Any body have an example or any insights about that?

I think my approach will be use a plugin for taggables models, but I
want to understand how to do

this in case I have another kind of many-to-many.

Regards, Felipe Lopes


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On Apr 11, 10:10 pm, Felipe Lopes
<felipelope...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> all approaches that i tried resulted in the following error:
>
>  "Cannot associate new records through
''Bookmark#taggings'' on ''#''.
> Both records must have an id in order to create the has_many :through
> record associating them."
>
> Any body have an example or any insights about that?
>
It was limitation of has many through until rails 2.1

Fred
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should be update rails my approach?

should it start working after an update?
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