view db/migrate/20091017214406_add_missing_indexes_to_attachments.rb @ 592:68c6b060385c feature_36

development commit: still users/authors management
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Mon, 15 Aug 2011 13:55:01 +0100
parents 513646585e45
children
line wrap: on
line source
class AddMissingIndexesToAttachments < ActiveRecord::Migration
  def self.up
    add_index :attachments, [:container_id, :container_type]
    add_index :attachments, :author_id
  end

  def self.down
    remove_index :attachments, :column => [:container_id, :container_type]
    remove_index :attachments, :author_id
  end
end