} else {
$query = "UPDATE $table SET unit = " .
$dbh->quote($form->{"default_service_unit"}) . " " .
"WHERE ((unit ISNULL) OR (unit = '')) AND " .
"parts_id IN (SELECT id FROM parts " .
} else {
$query = "UPDATE $table SET unit = " .
$dbh->quote($form->{"default_service_unit"}) . " " .
"WHERE ((unit ISNULL) OR (unit = '')) AND " .
"parts_id IN (SELECT id FROM parts " .