Ruby on Rails

On Thu, Apr 29, 2010 at 1:26 AM, Veena Jose <lists@ruby-forum.com> wrote:
> Hai Rick,
>
>   I have made the change you hav told. Still the join table is not been
> populated.
> These are my migration data.Is there any problem with this?
> .....................................................
> class CreateNewStations < ActiveRecord::Migration
>  def self.up
>    create_table :stations do |t|
>      t.string :name
>      t.integer :district_id
>      t.string :MDT_id
>      t.string :sim_no
>      t.decimal :longitude,  :precision=>10, :scale=>6
>      t.decimal :latitude,   :precision=>10, :scale=>6
>      t.integer :user_id

I don't think you want this field. This would be there if you had

class Stations < ActiverRecord::Base
belongs_to :user
end

but you indicated that each station could have many users, and each
user could have many stations, thus the habtm relations.
>      t.timestamps
>
>    end
>    create_table :stations_users, :id => false do |t|
>      t.integer :user_id
>      t.integer :station_id
>    end
>  end
>
>  def self.down
>   drop_table :stations_users rescue nil
>    drop_table :stations
>  end
> end
> ...........................................................
>
> class CreateUsers < ActiveRecord::Migration
>  def self.up
>    create_table :users do |t|
>      t.string :name
>      t.string :username
>      t.string :hashed_password
>      t.string :salt
>      t.string :status
>      t.string :phone
>      t.string :email
>      t.integer :station_id
>      t.timestamps
>    end
>  end
>
>  def self.down
>    drop_table :users
>  end
> end
>

--
Rick DeNatale

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