>
> db.define_table('tutor',
Field('user', 'reference auth.user.id'),
> ...)
>
This is not correct. It should be 'reference [table name]', so in this
case, 'reference auth_user'. Perhaps you are attempting to set the default
to be auth.user.id (same as auth.user_id) -- to do that, do:
Field('user', 'reference auth_user', default=auth.user_id)
Anthony
--

