-# has_many :relation_segments, :class_name => 'OldRelationSegment', :foreign_key => 'id'
-# has_many :relation_tags, :class_name => 'OldRelationTag', :foreign_key => 'id'
-
- def old_members
- OldRelationMember.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
- end
-
- def old_tags
- OldRelationTag.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])