Maybe you could use IS_IN_SET... You just have to pass you query to it on construct a dict from the query... Refer you to this post of Anthony :
https://groups.google.com/d/msg/web2py/QBTYaytNypU/DW2HpnT-xK0J http://web2py.com/books/default/chapter/29/07/forms-and-validators#Validators Scroll a bit to IS_IN_SET You may add a choice to your set for your Zero... Richard On Thu, Aug 15, 2013 at 3:18 PM, Annet <anneve...@googlemail.com> wrote: > Thank you both for your replies. > > > apart from that, IS_IN_DB totally works with zero (unless multiple=True, >> in which a zero argument kinda defeats the purpose). Are you sure that >> you're not adding other validators to that field ? >> > > This is the IS_IN_DB validator: > > > db.register.navID.requires=IS_IN_DB(db(db.nav.id.belongs(WHOWEARENAVID,WHATWEDONAVID,HOWWEWORKNAVID,OPENINGHOURSNAVID,\ > EVENTLISTNAVID,TIMETABLENAVID,COURSETABLENAVID)),'nav.id','%(name)s', > orderby='nav.id', multiple=(1, 5)) > > which works as expected, accept that I cannot set zero='select 4 functions' > > > Kind regards, > > Annet > > -- > > --- > 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/groups/opt_out. > -- --- 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/groups/opt_out.
