Mercurial > hg > soundsoftware-site

view db/migrate/20100313132032_add_issues_nested_sets_columns.rb @ 957:35782bf2eb58 bug_521

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Tally all downloads, not only project/version attachments
author Chris Cannam
date Tue, 16 Oct 2012 15:34:00 +0100
parents cbb26bc654de
children
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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