Mercurial > hg > soundsoftware-site

view db/migrate/.svn/text-base/20100313132032_add_issues_nested_sets_columns.rb.svn-base @ 554:026c9747fe9b feature_36

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Addresses Feature #228. Already able to remove projects associated with a publication.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Tue, 02 Aug 2011 16:50:22 +0100
parents 513646585e45
children
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