Yeah I just read the code, I read self-reference in his question and you answer first word was Self-reference :)
Richard On Mon, Mar 4, 2013 at 11:30 AM, Anthony <abasta...@gmail.com> wrote: > This is not a list:reference field, just a regular reference. > > > On Monday, March 4, 2013 9:07:35 AM UTC-5, Richard wrote: > >> There is a issue open for this by me and Massimo try a couple of time to >> solve it, but it seems it still there... >> >> Richard >> >> >> On Mon, Mar 4, 2013 at 8:34 AM, Anthony <abas...@gmail.com> wrote: >> >>> db.category.parent.requires = IS_EMPTY_OR(IS_IN_DB(db, >>> 'category.category')) >>> >>> On Sunday, March 3, 2013 9:34:59 PM UTC-5, 黄祥 wrote: >>>> >>>> a, thank you so much for your detail explaination anthony. it's work >>>> fine now by add : >>>> >>>> db.category.parent.requires=**IS**_IN_DB(db, 'category.category') >>>> >>>> btw, with this, i still have a problem for input the parent category. >>>> because in form there is not allowed to put an empty value. i have 2 ideas >>>> for this problem : >>>> 1. put the parent category directly to database via database input >>>> command >>>> 2. create the root category above parent category : >>>> for example >>>> root category >>>> | >>>> parent category >>>> | >>>> child category >>>> >>>> do you have better idea or suggestion about this? >>>> >>>> thanks a lot before >>>> >>> -- >>> >>> --- >>> 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+un...@**googlegroups.com. >>> >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<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. > > > -- --- 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.
