How could I miss that ticket? Thanks, let's continue the discussion there.
Best, Pascal On 3/19/09 11:41 AM, "Eloy Duran" <[email protected]> wrote: > > Hi Anton, > > Yes, this will definitely be addressed in a guide I'm working on. > > There's also a ticket about adding a better fallback in the case you > are using fields_for for a nil association: > http://rails.lighthouseapp.com/projects/8994/tickets/2172-nested-model-forms-e > rror-on-loading-data-from-one-to-one-associations-that-evaluate-to-nil > > Cheers, > Eloy > > On Mar 19, 2009, at 11:03 AM, Anton Jenkins wrote: > >> >> I've noticed a couple of people tripping up (myself included) on using >> the new nested model forms across has_one relationships. Because >> @parentModel.childModel returns nil (as opposed to [] for a has_many >> relationship) it is not possible to assign attributes to a new child >> model in a has_one relationship without running >> @parentModel.build_childModel first. >> >> I've explained the exact error and the solution in more detail here : >> >> http://www.pixellatedvisions.com/2009/03/18/rails-2-3-nested-model-forms-and- >> nil-new-record >> >> Would it be possible to amend the rails guides and the documentation >> on the rails blog on nested model forms to clarify this extra step >> which is required for has_one relationships? The documentation as it >> stands gives the impression that has_many and has_one are >> interchangeable without any modification to your nested form code. >> Just a simple note on this extra build_ step could save users a lot of >> head scratching. >> >> Cheers >> >> Anton >> >> P.S The complex_form_examples were invaluable in helping me track down >> where I was going wrong in this instance. These are a great idea for >> when you are having problems getting your own code to work and you >> need a working example. Thank you to those responsible! >> >>> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en -~----------~----~----~----~------~----~------~--~---
