I really like the approach crayzeewulf used here:
http://stackoverflow.com/questions/9683604/composite-key-in-web2py/9685846#9685846
On Wednesday, August 12, 2015 at 11:17:45 PM UTC-4, JC wrote:
>
> Hello,
> I´ve the following model:
>
> db.define_table('bsc_input',
> Field('id_p_indicator', db.p_indicator, label=T(
> 'Indicator'), notnull=True),
> Field('current_month', 'integer', label=T('Month'),
> notnull=True),
> Field('current_year', 'integer', label=T('Year'), notnull=
> True),
> Field('current_value', 'float', label=T('Value'), notnull=
> True))
>
> and I want to setup a validation so that I´m sure the combination of '
> id_p_indicator', 'current_month' and 'current_year' are unique.
>
> How can I do it ?
>
> Thanks
>
> JC
>
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