code: def do_update(pool,request,models):
    "unlike *_check() below, update doesn't worry about missing children"
    return {k:fkapply(models,pool,process_update,missing_update,k,v) for k,v in request.items()f do_update(pool,request,models):
    "unlike *_check() below, update doesn't worry about missing children"
    return {k:fkapply(models,pool,process_update,missing_update,k,v) for k,v in request.items()}
docs: unlike *_check() below, update doesn't worry about missing children