Galera TOI Online schema upgrade method with Mariadb session setting.
According to the https://mariadb.com/kb/en/innodb-online-ddl-operations-with-the-instant-alter-algorithm/#known-bugs suggestions.
If we are concerned about the instant algorithm's bug, we can SET SESSION alter_algorithm='INPLACE'; before ALTER TABLE .. ADD COLUMN .., Force; syntax.
We would like to know the suggestion is also work on Galera node with wsrep_OSU_method=TOI or not?
Will the DDL WSREP contains SET SESSION alter_algorithm='INPLACE'; message?
Should we use
ALTER TABLE tab ADD COLUMN c varchar(50), ALGORITHM=COPY, FORCE;
instead?
Thanks.
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