* added issue_relations branch

* issue_relation model added

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@162 e93f8b46-1217-0410-a6f0-8f06a7374b81

issue_relations/db/migrate/010_create_comments.rb

@@ -0,0 +1,16 @@
+class CreateComments < ActiveRecord::Migration
+  def self.up
+    create_table :comments do |t|
+      t.column :commented_type, :string, :limit => 30, :default => "", :null => false
+      t.column :commented_id, :integer, :default => 0, :null => false
+      t.column :author_id, :integer, :default => 0, :null => false
+      t.column :comment, :text, :default => "", :null => false
+      t.column :created_on, :datetime, :null => false
+      t.column :updated_on, :datetime, :null => false
+    end
+  end
+
+  def self.down
+    drop_table :comments
+  end
+end