def toggle_star():
    rows = db((db.products.id == request.args(0))).select()
    for row in rows:
        if db.products(request.args(0)).inventory_starred == False:
            db(db.products.id == request.args(0)).update(inventory_starred = True)
        else:
            db(db.products.id == request.args(0)).update(inventory_starred = False)
        redirect(URL('default', 'inventory'))