view db/migrate/20100313132032_add_issues_nested_sets_columns.rb @ 212:f5860b03d365 feature_72

added js to external repository URL text field and checkbox.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 08 Feb 2011 15:07:08 +0000
parents 513646585e45
children cbb26bc654de
line wrap: on
line source
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