(optional)
use JSON;
inflate => sub {
my ($data, $tablename, $db) = @_;
if (defined $data->{json}) {
$data->{json} = decode_json($data->{json});
}
(optional)
use JSON;
deflate => sub {
my ($data, $tablename, $db) = @_;
if (defined $data->{json}) {
$data->{json} = encode_json($data->{json});
}