317brian commented on code in PR #15334: URL: https://github.com/apache/druid/pull/15334#discussion_r1388300693
########## docs/development/extensions-core/postgresql.md: ########## @@ -27,6 +27,8 @@ To use this Apache Druid extension, [include](../../configuration/extensions.md# ## Setting up PostgreSQL +To avoid issues with upgrades that require schema changes to a large metadata table, chose a PostgreSQL version that supports instant ADD COLUMN semantics. Review Comment: ```suggestion To avoid issues with upgrades that require schema changes to a large metadata table, choose a PostgreSQL version that supports instant ADD COLUMN semantics. ``` ########## 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 schema changes to a large metadata table, chose a MySQL version that supports instant ADD COLUMN semantics. For example, MySQL 8. Review Comment: ```suggestion To avoid issues with upgrades that require schema changes to a large metadata table, choose a MySQL version that supports instant ADD COLUMN semantics. For example, MySQL 8. ``` -- 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]
