annotate db/migrate/.svn/text-base/20100313132032_add_issues_nested_sets_columns.rb.svn-base @ 436:4eb486dbf730
bug_169
If the remote repo URL changes, move aside the existing local mirror and start afresh.
(Not yet tested: checkpointing this prior to working on a different aspect of the problem)
| author |
Chris Cannam |
| date |
Mon, 06 Jun 2011 12:53:06 +0100 |
| parents |
513646585e45 |
| children |
|
| rev |
line source |
|
Chris@0
|
1 class AddIssuesNestedSetsColumns < ActiveRecord::Migration
|
|
Chris@0
|
2 def self.up
|
|
Chris@0
|
3 add_column :issues, :parent_id, :integer, :default => nil
|
|
Chris@0
|
4 add_column :issues, :root_id, :integer, :default => nil
|
|
Chris@0
|
5 add_column :issues, :lft, :integer, :default => nil
|
|
Chris@0
|
6 add_column :issues, :rgt, :integer, :default => nil
|
|
Chris@0
|
7
|
|
Chris@0
|
8 Issue.update_all("parent_id = NULL, root_id = id, lft = 1, rgt = 2")
|
|
Chris@0
|
9 end
|
|
Chris@0
|
10
|
|
Chris@0
|
11 def self.down
|
|
Chris@0
|
12 remove_column :issues, :parent_id
|
|
Chris@0
|
13 remove_column :issues, :root_id
|
|
Chris@0
|
14 remove_column :issues, :lft
|
|
Chris@0
|
15 remove_column :issues, :rgt
|
|
Chris@0
|
16 end
|
|
Chris@0
|
17 end
|
