On Tue, Apr 28, 2009 at 9:38 PM, blgroup <blgr...@gmail.com> wrote: > > Having trouble with a somewhat unconventional modelling in Rails > 2.2.2. > > Take three table. > > 1. User model with primary integer id and a unique string guid. > > 2. Model X has foreign key to User as integer user_id and its model > includes > belongs_to :users > > 3. Model Y has foreign key to User as string user_guid and its model > includes > belongs_to :users, :foreign_key => 'user_guid'
Are you sure you don't mean: belongs_to :user, :foreign_key => 'user_guid' #<- Using singular 'user' then Y.user should work fine > > > This tells Rails which column to use in Model Y to look up Users. > But How do I tell Rails which column to use in User? > > In other words, how do I tell Rails to join (or select) from > Users.guid instead of Users.id when referencing Y.user? > > The has_one and has_many association has a :primary_key option, but > this seems to be missing on the belongs_to association > > How do people work around this? Any help would be greatly > appreciated. > > Thanks, > =Blair. Setup your user model like this: class User < ActiveRecord::Base set_primary_key :guid end Andrew Timberlake http://ramblingsonrails.com http://www.linkedin.com/in/andrewtimberlake "I have never let my schooling interfere with my education" - Mark Twain --~--~---------~--~----~------------~-------~--~----~ 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 rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
