techdocsmith commented on code in PR #15334: URL: https://github.com/apache/druid/pull/15334#discussion_r1385792044
########## docs/development/extensions-core/mysql.md: ########## @@ -61,6 +61,8 @@ Depending on the MariaDB client library version, the connector supports both `jd ## Setting up MySQL +To avoid issues with upgrades that require scehma changes to a large metadata table, chose a MySQL version that supports instant ADD COLUMN semantics. For example, MySQL 8. Review Comment: I couldn't find when Postgres started supporting it, but for null columns it is supported for all current versions which are 11 and later, so noted that. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
