-class UserPreference < ActiveRecord::Base
- set_primary_keys :user_id, :k
- belongs_to :user
-
- validates_length_of :k, :within => 1..255
- validates_length_of :v, :within => 1..255
+# == Schema Information
+#
+# Table name: user_preferences
+#
+# user_id :bigint(8) not null, primary key
+# k :string not null, primary key
+# v :string not null
+#
+# Foreign Keys
+#
+# user_preferences_user_id_fkey (user_id => users.id)
+#
+
+class UserPreference < ApplicationRecord
+ self.primary_keys = "user_id", "k"