has_many :ways, :through => :way_nodes
has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
- has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
+ has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position