Update annotations

app/models/post_revision.rb

@@ -4,3 +4,21 @@ class PostRevision < ActiveRecord::Base
 
   serialize :modifications, Hash
 end
+
+# == Schema Information
+#
+# Table name: post_revisions
+#
+#  id            :integer          not null, primary key
+#  user_id       :integer
+#  post_id       :integer
+#  modifications :text
+#  number        :integer
+#  created_at    :datetime
+#  updated_at    :datetime
+#
+# Indexes
+#
+#  index_post_revisions_on_post_id             (post_id)
+#  index_post_revisions_on_post_id_and_number  (post_id,number)
+#