2011-05-30 00:11:52 +04:00
|
|
|
#-- copyright
|
|
|
|
# ChiliProject is a project management system.
|
|
|
|
#
|
|
|
|
# Copyright (C) 2010-2011 the ChiliProject Team
|
|
|
|
#
|
|
|
|
# This program is free software; you can redistribute it and/or
|
|
|
|
# modify it under the terms of the GNU General Public License
|
|
|
|
# as published by the Free Software Foundation; either version 2
|
|
|
|
# of the License, or (at your option) any later version.
|
|
|
|
#
|
|
|
|
# See doc/COPYRIGHT.rdoc for more details.
|
|
|
|
#++
|
|
|
|
|
2010-03-13 17:56:49 +03:00
|
|
|
class AddIssuesNestedSetsColumns < ActiveRecord::Migration
|
|
|
|
def self.up
|
|
|
|
add_column :issues, :parent_id, :integer, :default => nil
|
|
|
|
add_column :issues, :root_id, :integer, :default => nil
|
|
|
|
add_column :issues, :lft, :integer, :default => nil
|
|
|
|
add_column :issues, :rgt, :integer, :default => nil
|
|
|
|
|
|
|
|
Issue.update_all("parent_id = NULL, root_id = id, lft = 1, rgt = 2")
|
|
|
|
end
|
|
|
|
|
|
|
|
def self.down
|
|
|
|
remove_column :issues, :parent_id
|
|
|
|
remove_column :issues, :root_id
|
|
|
|
remove_column :issues, :lft
|
|
|
|
remove_column :issues, :rgt
|
|
|
|
end
|
|
|
|
end
|