added migration to add date fields to deliverables

git-svn-id: https://dev.finn.de/svn/cockpit/trunk@28 7926756e-e54e-46e6-9721-ed318f58905e

db/migrate/005_add_deliverables_date_fields.rb

@@ -0,0 +1,11 @@
+class AddDeliverablesDateFields < ActiveRecord::Migration
+  def self.up
+    add_column :deliverables, :created_on, :timestamp,    :null => false
+    add_column :deliverables, :updated_on, :timestamp,    :null => false
+  end
+  
+  def self.down
+    remove_column :deliverables, :created_on
+    remove_column :deliverables, :updated_on
+  end
+end