move emoji to correct location without a post rebake

db/migrate/20131120055018_move_emoji_to_new_location.rb

@@ -0,0 +1,9 @@
+class MoveEmojiToNewLocation < ActiveRecord::Migration
+  def up
+    execute("update posts set cooked = regexp_replace(cooked, '\(<img[^\>]*)assets\/emoji\/', '\\1plugins\/emoji\/images\/' , 'g') where cooked like '%emoji%'")
+  end
+
+  def down
+    execute("update posts set cooked = regexp_replace(cooked, '\(<img[^\>]*)plugins\/emoji\/images\/', '\\1assets\/emoji\/' , 'g') where cooked like '%emoji%'")
+  end
+end