lets try out annotations

app/models/draft_sequence.rb

@@ -1,3 +1,17 @@
+# == Schema Information
+#
+# Table name: draft_sequences
+#
+#  id        :integer          not null, primary key
+#  user_id   :integer          not null
+#  draft_key :string(255)      not null
+#  sequence  :integer          not null
+#
+# Indexes
+#
+#  index_draft_sequences_on_user_id_and_draft_key  (user_id,draft_key) UNIQUE
+#
+
 class DraftSequence < ActiveRecord::Base
   def self.next!(user,key)
     user_id = user