On Sep 28, 2011, at 12:28 PM, ERB wrote:
> I have two models, users and companies as indicated below. The users
> table has a foreign_key "company_id".
>
> class User < ActiveRecord::Base
> has_many :companies
> end
>
> class Company < ActiveRecord::Base
> belongs_to: user
> end
>
> In my controller:
>
> @user = User.where(:id => params[:id]).includes(:companies)
>
> I get the following error:
> SQlite3::SQLException: no such column: companies.user_id: SELECT
> "companies".* FROM "companies" WHERE "companies"."user_id" IN ('8')
>
>
> Why is RAILS getting the foreign key wrong and why is it trying to
> pull columns in the users table into the companies model?
----
class Company < AR::B
belongs_to :user
that's why
also, if
class User < AR::B
has_many :companies
then having a column named users.company_id is a waste of time and space too.
http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html
Craig
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