view db/migrate/.svn/text-base/20090503121510_drop_members_role_id.rb.svn-base @ 420:2008fa7fda29 bug_145

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

class DropMembersRoleId < ActiveRecord::Migration
  def self.up
    remove_column :members, :role_id
  end

  def self.down
    raise IrreversibleMigration
  end
end