MariaDB Server 10.3、MySQL 8.0 Instant Add Column的功能

MariaDB Server 10.3、MySQL 8.0 Instant Add Column的功能(MySQL 8.0代碼審核中也即將支援)
特別要感謝騰訊TenCent DBA Game Team...貢獻的功能...

* 74GB的partition table新增column從原本所需的43200秒（12小時）縮短到0.04秒

Ref:

https://mysqlserverteam.com/

https://mariadb.com/resources/blog/instant-add-column-innodb

https://hk.saowen.com/a/664799c4070c6556449daf5752b906beaa50c4e59ff2d7d82430c3366adb2ffb