On Friday, January 12, 2018 at 6:58:33 AM UTC-5, tim.nyb...@conted.ox.ac.uk
wrote:
>
> You can put conditions into the field validator:
>
> Field('writer_user', 'reference auth_user',
> requires=IS_IN_DB(
> db(
> (db.auth_user.id == db.auth_membership.user_id)
> & (db.auth_membership.group_id == db.auth_group.id)
> & (db.auth_group.role == 'your group here')
> ),
> db.auth_user.id
> )
>
>
And note, if you explicitly specify the "requires" argument for a reference
field, you will lose the default "represent" function, so you must
explicitly specify that as well.
Anthony
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