socialforge/db/migrate/20090704172355_create_group...

14 lines
383 B
Ruby
Raw Normal View History

2013-08-01 10:33:49 +08:00
class CreateGroupsUsers < ActiveRecord::Migration
def self.up
create_table :groups_users, :id => false do |t|
t.column :group_id, :integer, :null => false
t.column :user_id, :integer, :null => false
end
add_index :groups_users, [:group_id, :user_id], :unique => true, :name => :groups_users_ids
end
def self.down
drop_table :groups_users
end
end