Support virtual/stored fields

[octavianparalescu]

Those are available since MySQL 5.7. The migrations-generator just ignores the virtual/stored expressions as of now.

https://www.percona.com/blog/2016/03/04/virtual-columns-in-mysql-and-mariadb/
https://laravel.com/docs/5.3/migrations#column-modifiers

[octavianparalescu]

Cannot be done right now as \Doctrine\DBAL\Platforms\MySqlPlatform::getListTableColumnsSQL does not support outputting the Generation Expression.

[terranc]

mark