}
elsif ( _datetime_column_type( $columns_info->{$col}->{data_type} ) ) {
eval {
return undef unless $unblessed->{$col};
return unless $unblessed->{$col};
$unblessed->{$col} = output_pref({
dateformat => 'rfc3339',
dt => dt_from_string($unblessed->{$col}, 'sql'),
-