changed flickr_photo_id to string

... because integer worked fine in dev (on sqlite3) but broke on staging
(with postgres). Turns out flickr photo IDs are quite LARGE integers.
But really they could be anything, so string seems safest.

db/migrate/20130601011725_change_flickr_photo_id_to_string.rb

@@ -0,0 +1,8 @@
+class ChangeFlickrPhotoIdToString < ActiveRecord::Migration
+  def up
+    change_column :photos, :flickr_photo_id, :string
+  end
+  def down
+    change_column :photos, :flickr_photo_id, :integer
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130531110729) do
+ActiveRecord::Schema.define(:version => 20130601011725) do
 
   create_table "authentications", :force => true do |t|
     t.integer  "member_id",  :null => false
@@ -123,7 +123,7 @@ ActiveRecord::Schema.define(:version => 20130531110729) do
 
   create_table "photos", :force => true do |t|
     t.integer  "owner_id",        :null => false
-    t.integer  "flickr_photo_id", :null => false
+    t.string   "flickr_photo_id", :null => false
     t.string   "thumbnail_url",   :null => false
     t.string   "fullsize_url",    :null => false
     t.datetime "created_at",      :null => false