Thanks for your help!
I Solved my problem doing this:
def processando(form):
query = db.inscritos.Oficina =='form.vars.Oficina'
if query >=1:
form.errors.Oficina = "Oficina esgotada"
else:
pass
def inscrever():
form = SQLFORM(db.inscritos)
if form.process(onvalidation=processando).accepted:
session.flash = 'record inserted'
return dict(form=form)
Reference:
http://web2py.com/books/default/chapter/29/07/forms-and-validators#The-process-and-validate-methods
Em sábado, 24 de outubro de 2015 22:06:57 UTC-3, 黄祥 escreveu:
>
> i think you can use the query (count() ) and check condition according to
> your need (if query >= value), if condition meet, redirect to another page
> redirect(URL(redirect) ), if not insert the data (db.table.insert() ).
>
> best regards,
> stifan
>
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