MySQL error code
MySQL error 3178
MySQL server error 3178 is ER_UNSUPPORTED_ALTER_ONLINE_ON_VIRTUAL_COLUMN, reported with SQLSTATE HY000.
ADD COLUMN col...VIRTUAL, ADD INDEX(col)
| Error | 3178 |
|---|---|
| Name | ER_UNSUPPORTED_ALTER_ONLINE_ON_VIRTUAL_COLUMN |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference