Thanks for your reply. It was helpful. Elioncho
On Oct 27, 3:14 am, none <[EMAIL PROTECTED]> wrote: > since post_picture should await post_id as a foreign key, post_picture > will not be saved properly (or at least will not relate to the > specified post) if post is not saved. as long as there aint no post.id > (which is created while saving) you can't save the relation between > these two objects. > > i'd say it's best to save @post and after that create @post_picture > and save it as well. > > def create > @post = Post.new(params[:post]) > if @post.save > @post_picture = PostPicture.new(:uploaded_data => > params[:post_picture_file]) > @post.post_picture = @post_picture > if @post_picture.save > # post and post_picture are saved correctly > # ... > else > # post_picture could not be saved (=> error handling) > end > else > # post could not be saved (=> error handling) > end > end > > On 27 Okt., 08:14,elioncho<[EMAIL PROTECTED]> wrote: > > > Hello, > > > Well I have a post and a post_picture model: > > > class Post < ActiveRecord::Base > > has_one :post_picture > > end > > > class PostPicture < ActiveRecord::Base > > belongs_to :post > > end > > > When a user creates a post he/she can upload a picture. So in the > > create action on the posts_controller I have the following: > > > def create > > @post = Post.new(params[:post]) > > @post_picture = PostPicture.new(:uploaded_data => > > params[:post_picture_file]) > > @post.post_picture = @post_picture > > if @post.save > > ... > > end > > > As you can see I relate the @post_picture with the @post using the > > line of code > > > "@post.post_picture = @post_picture" > > > My question is: > > > When I do the @post.save does rails treats this as a transaction? (I > > want to know because there is maybe possible data loss if the post is > > saved into the posts table and the post_picture is not saved into the > > post_pictures table or viceversa. > > > Thanks, > > >Elioncho --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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-talk?hl=en -~----------~----~----~----~------~----~------~--~---
