$formName = ...;
@form_out = ...;
$ga = { ... };
$collect_date = ...;
$omp_id = ...;
my @value_names = split ' ', $ga->{ 'outputString'}{ $formName };
chomp @value_names;
my $table_name = "snapshot_$formName";

$dbh->func( "COPY $table_name ( name, value, collect_date, omp_id ) FROM STDIN",
            "putline" );
print "Started a line.\n";

for my $packed_values ( @form_out )
{
    my @values = split /:/, $packed_values;
    my @values_to_use_ix = grep $value_names[ $_ ],
                           0 .. $#value_names;
    for my $ix ( @values_to_use_ix )
    {
        my $value = $values[ $ix ];
        my $value_name = $value_names[ $ix ];

        $value = 'NULL' if not defined $value;
        $value =~ s/^\s+//;
        $value =~ s/\s+$//;
        # The following line will remove any internal tabs which would mess with
        # the column count.
        $value =~ s/\s+/ /g;
        $value = 'NULL' if not length $value;

        my $row = join( "\t",
                        $value_name,
                        $value,
                        $collect_date,
                        $omp_id );

        eval { $dbh->func( $row, 'putline' ) }
            or die "Couldn't write `$row' to $table_name: $@, " . $dbh->errstr;
    }
}