class WayTag < ActiveRecord::Base
set_table_name 'current_way_tags'
+ set_primary_keys :way_id, :k
- # 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'
+ belongs_to :way
+
+ validates_presence_of :way
+ validates_length_of :k, :maximum => 255, :allow_blank => true
+ validates_uniqueness_of :k, :scope => :way_id
+ validates_length_of :v, :maximum => 255, :allow_blank => true
end