v.21.8Improvement

MySQL Engine Enhances Column Comment Exchange with ClickHouse

Official CH changelog text
MySQL Engine now supports the exchange of column comments between MySQL and ClickHouse. #25795 (Storozhuk Kostiantyn).
MySQL Engine now supports exchanging column comments between MySQL and ClickHouse.

Why it matters

This feature allows users to synchronize and preserve column comments when transferring schemas between MySQL and ClickHouse, improving metadata consistency and making schema management more transparent.

How to use it

When using the MySQL engine to interact with MySQL tables, column comments will be automatically exchanged and preserved during schema operations, requiring no additional configuration.

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