new_nds = (self.nds - old_nodes).sort.uniq
unless new_nds.empty?
- db_nds = Node.find(:all, :conditions => { :id => new_nds, :visible => true })
+ db_nds = Node.where(:id => new_nds, :visible => true)
if db_nds.length < new_nds.length
missing = new_nds - db_nds.collect { |n| n.id }