view db/migrate/20091017213835_add_missing_indexes_to_user_preferences.rb @ 671:9fabf0da3b09 live

Select only the columns named in the GROUP BY clause, fixing #289

class AddMissingIndexesToUserPreferences < ActiveRecord::Migration
  def self.up
    add_index :user_preferences, :user_id
  end

  def self.down
    remove_index :user_preferences, :user_id
  end
end