Second part of admin-namespace-reorder. Also renamed OrderGroup into Ordergroup. More view-sharing between groups is neccessary.

db/migrate/20090114101610_rename_ordergroups.rb

@@ -0,0 +1,15 @@
+class RenameOrdergroups < ActiveRecord::Migration
+  def self.up
+    rename_column :financial_transactions, :order_group_id, :ordergroup_id
+    rename_column :group_orders, :order_group_id, :ordergroup_id
+    remove_index :group_orders, :name => "index_group_orders_on_order_group_id_and_order_id"
+    add_index :group_orders, [:ordergroup_id, :order_id], :unique => true
+
+    Group.find(:all, :conditions => { :type => "OrderGroup" }).each do |ordergroup|
+      ordergroup.update_attribute(:type, "Ordergroup")
+    end
+  end
+
+  def self.down
+  end
+end