orderby should be table's field not a conditional comparison ref: http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#orderby--groupby--limitby--distinct--having-orderby_on_limitby-left-cache
for 2nd question: web2py auth.signature will cover to update value of field modified_on when user update the table, for any specific table's field perhaps you can use before or after callback ref: http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#callbacks-on-record-insert--delete-and-update best regards, stifan -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.