New annotation, because of db switch to mysql.

Background: sqlite has some problems with decimal option.

app/models/group_order.rb

@@ -1,16 +1,3 @@
-# == Schema Information
-#
-# Table name: group_orders
-#
-#  id                 :integer         not null, primary key
-#  ordergroup_id      :integer         default(0), not null
-#  order_id           :integer         default(0), not null
-#  price              :decimal(8, 2)   default(0.0), not null
-#  lock_version       :integer         default(0), not null
-#  updated_on         :datetime        not null
-#  updated_by_user_id :integer
-#
-
 # A GroupOrder represents an Order placed by an Ordergroup.
 class GroupOrder < ActiveRecord::Base
   
@@ -49,3 +36,17 @@ class GroupOrder < ActiveRecord::Base
   end
 
 end
+
+# == Schema Information
+#
+# Table name: group_orders
+#
+#  id                 :integer(4)      not null, primary key
+#  ordergroup_id      :integer(4)      default(0), not null
+#  order_id           :integer(4)      default(0), not null
+#  price              :decimal(8, 2)   default(0.0), not null
+#  lock_version       :integer(4)      default(0), not null
+#  updated_on         :datetime        not null
+#  updated_by_user_id :integer(4)
+#
+