RTFS, and use backdoors :) Post.first.tags.target << Tag.first
On 02.11.2012, at 19:36, Jan Brdo <[email protected]> wrote: > I think there is a slight inconsistency in Rails regarding adding > associations between existing records. > > Assume Post has_many :tags. > > We have an analogy when we want to immediately add the association to either > new or existing child: > Post.first.tags.create name: "my tag" # commits immediately > # and to existing tag > Post.first.tags << Tag.first # commits immediately > > But we don't have an analogy to build: > p = Post.first > p.tags.build name: "my tag" > p.save # commits all changes > # and to existing tag > # ? > > I think this is unfortunate, because I like the idea of building all changes > in memory first and then commiting everything together. I have a project > where this would be useful for me, but is currently not possible. Why not? > Discuss. > > -- > 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]. > To view this discussion on the web visit > https://groups.google.com/d/msg/rubyonrails-talk/-/2H7Bo9y1t10J. > For more options, visit https://groups.google.com/groups/opt_out. > > -- 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 https://groups.google.com/groups/opt_out.
