Gab-Social/db/migrate/20170720000000_add_index_favourites_on_account_id_and_id.rb

class AddIndexFavouritesOnAccountIdAndId < ActiveRecord::Migration[5.1]
  def change
    # Used to query favourites of an account ordered by id.
    add_index :favourites, [:account_id, :id]
  end
end