view db/migrate/20110303152903_add_active_column_to_attachments.rb @ 420:2008fa7fda29 bug_145

Track the project tree explicitly through recursive functions rather than using lft, rgt ordering.  Fixes #145

class AddActiveColumnToAttachments < ActiveRecord::Migration
  def self.up
    add_column :attachments, :active, :boolean
  end

  def self.down
    remove_column :attachments, :active
  end
end