# bad kludge, I haven't figured out how to handle this, but 
# if the query doesn't return anything, this function fails;
	if($query =~ /SELECT/i) {
		$return_data = $sth->fetchall_arrayref();
	}

##</code><code>##

sub update_price
{
        # get reference to hash and algorithm for updating parts.
	my ($price, $price_algo) = @_;

	#TODO lookup return values for eval
	eval $price_algo or
		die( __LINE__ . "Err: $! \n$@\n");

	return $price;
}

##</code><code>##

	my %items = parse_input($options{u}, $parts_algo);