On Saturday, February 3, 2018 at 5:49:13 PM UTC-5, Walter Lee Davis wrote: > > > > On Feb 3, 2018, at 3:56 PM, fugee ohu <fuge...@gmail.com <javascript:>> > wrote: > > > > > > > > On Friday, January 12, 2018 at 7:06:12 PM UTC-5, fugee ohu wrote: > > Let's say I have a table of products and a table of accessories Each > accessory can have many products that it's compatible with while each > product has many accessories available for it It In the problem I'm trying > to solve accessories cannot belong to products and products cannot belong > to accessories So, unless I was to create a third table with fields for > product_id and accessory_id, how could I allow each to have many of the > other Do I have to create the third table? Thanks in advance > > > > @person.pictures << @picture tries to, create a new picture, not add it > to the person_picture association table > > Where does @picture come from? Did you build it in memory, or load it from > the database? Rather than adding an object you created to an association, > try building the associated object from the beginning, like this: > > @picture = @person.pictures.build(picture_attributes) > > Now that picture is automatically in the @person.pictures association, and > has whatever other attributes you assigned to it. > > When you save the picture, the corresponding person_picture instance will > be persisted as well. The picture has to be created and saved before the > person_picture record can be, otherwise where would the > person_picture.picture_id value come from? > > Walter
Can we revisit this one I'm doing a family tree and trying to manage spousal relationships so i have person has_many people through: :partnerships But now partnerships can't have person_id twice so this is perplexing me -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/2339c6e7-585a-4239-9b07-aba325913e96%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
