;
foreach my $commod (sort keys %commods) {
my $c= $commods{$commod};
+ die "no mass for $commod" unless defined $c->{Mass};
+ die "no colume for $commod" unless defined $c->{Volume};
my @qa= ($c->{Mass}, $c->{Volume}, $commod);
$insert->execute(@qa);
$update->execute(@qa);