# File lib/tapkit/access/adapters/csv.rb, line 503
                def max_id( entity, column )
                        max = 1
                        select(entity).each do |row|
                                if id = row[column] then
                                        id = id.to_i
                                        if id > max then
                                                max = id  
                                        end
                                end
                        end
                        max
                end