v.21.9Improvement

Add Column Size Information for Log and TinyLog Tables in system.columns

Add information about column sizes in system.columns table for Log and TinyLog tables. This closes #9001. #26241 (Nikolay Degterinsky).
Add column size information to the system.columns table for Log and TinyLog table engines.

Why it matters

This feature provides visibility into the storage size of individual columns in Log and TinyLog tables, enabling better analysis and optimization of disk space usage. Previously, column size details were not available for these table types in the system metadata.

How to use it

Simply query the system.columns table for Log or TinyLog tables. The new size information is automatically included without additional configuration or setup.