Forum: Ruby on Rails has_many :through troubles

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Paolo N. (Guest)
on 2006-06-09 23:20
(Received via mailing list)
Hi list

I have a question related to an has_many :through association.
Basicly I have a form that updates the entire has_many :through
collection AND the parent object.

from the form I have:

params[:parentobject]  (all the attributes related to the parent object)

and

params[:childid]

an array of all the destination ID of the has many through association

How can I cleanly (and maybe atomicly since I'm using postgres)
destroy and create the needed records in the join table within the
update statement of the parent?

Thanks

Paolo
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