Thank you Massimo,
here is my situation:
I would like to check if LastName and FirstName already exist in database
and warn user but allow him to proceed (there are people with sam name and
lastname).
The idea is to issue a warning when user have just these two fields filled
so that he do not
It depends on where you want to do. Personally I would not do this inside
the validators. I would instead implement the checks after the form is
accepted (since you want it to proceed anyway)
form = SQLFORM.factory(Field('number','double'))
if form.process().accepted:
if not
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