Example
class CreateAuthenticationProviders < ActiveRecord::Migration
def change
create_table "authentication_providers", :force => true do |t|
t.string "name"
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
end
add_index "authentication_providers", ["name"], :name => "index_name_on_authentication_providers"
AuthenticationProvider.create(name: 'facebook')
AuthenticationProvider.create(name: 'twitter')
AuthenticationProvider.create(name: 'gplus')
AuthenticationProvider.create(name: 'linkedin')
end
end
