class Worker < ActiveRecord::Base
has_many :trainings
has_many :courses, :through => :trainings
belongs_to :ressort
def firstname_and_name
first_name+" "+last_name
end
end
---
class Ressort < ActiveRecord::Base
has_many :workers
end
---
class Course < ActiveRecord::Base
has_many :trainings
has_many :workers, :through => :trainings
end
On 20 Feb., 22:46, Colin Law <clan...@googlemail.com> wrote:
> On 20 February 2011 16:59, rogi <patrik.kel...@googlemail.com> wrote:
>
> > irb(main):038:0> Ressort.find(1).workers
> > NoMethodError: undefined method `workers' for #<Ressort:0x3215328>
>
> > irb(main):039:0> Worker.first.ressort
> > ActiveRecord::StatementInvalid: SQLite3::SQLException: no such column:
> > ressorts.worker_id: SELECT "ressorts".* FROM "re
> > ssorts" WHERE ("ressorts".worker_id = 1) LIMIT 1
>
> Can you paste the contents of ressort.rb and worker.rb? Do not
> re-type them, copy and paste here please.
> Also db/schema.rb
>
> Colin
>
>
>
>
>
>
>
>
>
> > => Worker(id: integer, first_name: string, last_name: string,
> > created_at: datetime, updated_at: datetime, ressort_id: in
> > teger)
>
> > class AddRessortIdToWorkers < ActiveRecord::Migration
> > def self.up
> > add_column :workers, :ressort_id, :integer
> > end
>
> > def self.down
> > remove_column :workers, :ressort_id
> > end
> > end
>
> > class CreateRessorts < ActiveRecord::Migration
> > def self.up
> > create_table :ressorts do |t|
> > t.string :name
> > t.text :description
>
> > t.timestamps
> > end
> > end
>
> > def self.down
> > drop_table :ressorts
> > end
> > end
>
> > On Feb 20, 4:05 pm, Michael Pavling <pavl...@gmail.com> wrote:
> >> On 20 February 2011 13:23, rogi <patrik.kel...@googlemail.com> wrote:
>
> >> > No:
>
> >> > ActiveRecord::StatementInvalid: SQLite3::SQLException: no such column:
> >> > ressorts.worker_id: SELECT "ressorts".* FROM "ressorts" WHERE
> >> > ("ressorts".worker_id = 1) LIMIT 1
>
> >> What command did you type to get this return value? It's certainly
> >> weird if you asked for "Worker.first"... (or Worker.all.first)
>
> >> > irb(main):037:0> Ressort
> >> > => Ressort(id: integer, name: string, description: text, created_at:
> >> > datetime, updated_at: datetime)
>
> >> ...And what if you display "Worker"?
>
> >> I think your migrations would help too... I really don't think you've
> >> quite got all the structure in place yet.
>
> > --
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