custom field State on product table is empty

Hi,

No, you can't create an override for a core file.
If your issue is a patch so the code that Nicolas gave you is a patch with all that it implies...

Regards,

hi

does this mean it will be deleted or changed when i make an update?

thanks

Hi,

Little typo in my previous message

If your issue is a bug so the code that Nicolas gave you is a patch with all that it implies...

Regards,