class WayTag < ActiveRecord::Base
set_table_name 'current_way_tags'
- belongs_to :way, :foreign_key => 'id'
+ # False multipart keys. The following would be a hack:
+ # set_primary_keys :id, :k, :v
+ # FIXME add a real multipart key to waytags so that we can do eager loadin
+ belongs_to :way, :foreign_key => 'id'
+
+ validates_presence_of :id
+ validates_length_of :k, :v, :maximum => 255, :allow_blank => true
+ validates_uniqueness_of :id, :scope => :k
+ validates_numericality_of :id, :only_integer => true
end