On Jan 1, 6:34 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
> On Jan 1, 9:48 am, pihentagy <pihent...@gmail.com> wrote:
> The sytnax is Field(name, type). The default type is a string. If you
> want it to be a reference it has to said explicitly. You do the same
> in Django. The validator is optional and, in fact, since 1.74 you get
> that validator by default if web2py knows how to represent a partner.
> For example
>
> db.define_table('partner',Field('name'),format='%(names)s')
> db.define_table('whatever',Field('partner',db.partner))
Hm so getting referential integrity only when the system can _display_
some type of record? Again, I see a problem here: validator should
really care about validity, and representation should be another
thing.
And if we are representation: if web2py renders a mandatory FK as a
combobox, there is no dummy 'please select one' option.
The first valid option is selected by default. This causes serious
usability issues, because users will not pay any attention to select a
valid option, because there is something, and it validates.
Gergo
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