On 24 April 2013 14:09, Paul Ols <[email protected]> wrote: Please don't top post, it makes it difficult to follow the thread. Insert your reply inline at appropriate point(s) in previous message. Thanks.
> Hmm, perhaps I dont understand the meaning of rails' > has_and_belongs_to_many. > > I require only the join table to be populated, NOT additional Award > objects to be created in the DB. > A User should have many rows in awards_users (user_id, award_id). > > So in terms of a user admin interface, I want to be able to select > several (even duplicate) Awards that belong to a particular user (lets > say awards with the ID's 1,2,3,3,4 and 6). > > The result of saving this user would be rows in awards_users like: > > award_id | user_id > 1 | 1 > 2 | 1 > 3 | 1 > 3 | 1 > 4 | 1 > 6 | 1 In that case I am sure it would definitely be easier to use has_many through (see the Rails Guide on ActiveRecord associations) then you will have full control of the join table. Colin > > Thanks. > > Colin Law wrote in post #1106758: >> On 24 April 2013 09:19, Paul Ols <[email protected]> wrote: >>> the award model that is built is an actual Award model, not an >>> AwardsUser model, like I would expect. >>> so, If i try to save the user model it violates the primary key index >>> because it is also trying to save a new Award, with the id 1. >>> I was expecting this to create a new row in the awards_users table >>> instead, with the user_id and award_id of 1. >>> >>> Any ideas where I've gone wrong? >> >> You should not try and set the id manually, let Rails take care of that. >> award = u.awards.build >> should build an award object, then award.save should save it. >> >> Having said that I much prefer to use has_many through and manage the >> join table myself. I find it easier to follow what is happening. >> >> Colin > > -- > Posted via http://www.ruby-forum.com/. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > 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 unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
