+class WayTag < ApplicationRecord
+ self.table_name = "current_way_tags"
+ self.primary_keys = "way_id", "k"
+
+ belongs_to :way
+
+ validates :way, :presence => true, :associated => true
+ validates :k, :v, :allow_blank => true, :length => { :maximum => 255 }, :characters => true
+ validates :k, :uniqueness => { :scope => :way_id }