Migrations

db/migrate/20110121215527_adding_indexes.rb

@@ -0,0 +1,11 @@
+class AddingIndexes < ActiveRecord::Migration
+  def self.up
+    add_index :users, :updated_at
+    add_index :friendships, :user_id
+  end
+
+  def self.down
+    remove_index :users, :updated_at
+    remove_index :friendships, :user_id
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20110121211424) do
+ActiveRecord::Schema.define(:version => 20110121215527) do
 
   create_table "departments", :force => true do |t|
     t.string   "name"
@@ -26,6 +26,8 @@
     t.datetime "updated_at"
   end
 
+  add_index "friendships", ["user_id"], :name => "index_friendships_on_user_id"
+
   create_table "slugs", :force => true do |t|
     t.string   "name"
     t.integer  "sluggable_id"
@@ -61,4 +63,6 @@
     t.integer  "department_id"
   end
 
+  add_index "users", ["updated_at"], :name => "index_users_on_updated_at"
+
 end