Displaying 1 result from an estimated 1 matches for "addnotestotags".
2006 Apr 02
5
adding primary_key to join table using migrations
...n''t have a primary key - just tag_id, question_id, and user_id.
I now want to add a primary key to this model (because I want to add a
"description" column as well so users can describe the tag.
I''m not sure how to add this using migrations.
Here is what I have:
class AddNotesToTags < ActiveRecord::Migration
def self.up
add_column :tags_questions_users, "id", :primary_key
add_column :tags_questions_users, "description", :string, :limit =>
80, :null => false
end
def self.down
remove_column :tags_questions_users, "id&quo...