This works perfectly, stifan, thank you very much. On Thursday, March 5, 2015 at 12:09:10 AM UTC-5, 黄祥 wrote: > > perhaps you can achieve it with query on IS_IN_DB validator: > e.g. > query_sessions = ( > (db.auth_user.id == db.auth_membership.user_id) & > (db.auth_membership.group_id == db.auth_group.id) & > (db.auth_group.role.like('coach')) > ) > > db.sessions.coach.requires = IS_IN_DB(db(query_sessions), db.auth_user.id, > '%(first_name)s %(last_name)s') > > best regards, > stifan >
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