my $st = Site::Point->new($st_lat, $st_lng);
my $ed = Site::Point->new($ed_lat, $ed_lng);

print "$uid - ". $st->sql . " - " . $ed->sql . "\n";

$dbh->do("UPDATE Sector SET start = ?, end = ? WHERE uid = ?", undef, $st->sql, $ed->sql, $uid);
if ($dbh->err) {
    print "ERROR: " . $dbh->errstr;
    exit;
}