pesanan tidak bekerja dengan groupby laravel
$devices = Device::groupBy('serial_no')->orderByDesc('serial_no')->get();
++++++++++++++++++++ SQL QUERY +++++++++++++++
SELECT sum(in_stock) stock, some_field2, some_field3
FROM some_table
GROUP BY some_field2, some_field3
ORDER BY some_field1
Lokesh003