I have the following validator: IS_NOT_IN_DB(db(db.PromoUnit.sequenceNumber==request.vars.sequenceNumber),db.PromoUnit.promoPositionID,error_message='combination promo position sequence number already in database')
The table PromoUnit also has a field nodeID which I would like to include in the validator. I thought maybe this would work: IS_NOT_IN_DB(db((db.PromoUnit.sequenceNumber==request.vars.sequenceNumber)&(db.PromoUnit.promoPositionID==request.vars.promoPositionID)),db.PromoUnit.nodeID,error_message='combination nodeID promo position sequence number already in database') ... but it doesn't. Is there a solution to solve this problem? Annet. --
