20160328121138_add_notification_setting_index.rb « migrate « db - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
class AddNotificationSettingIndex < ActiveRecord::Migration
def change
add_index :notification_settings, :user_id
add_index :notification_settings, [:source_id, :source_type]
end
end