v.25.6Improvement
At the beginning of 2024, prefer_column_name_to_alias was
At the beginning of 2024, prefer_column_name_to_alias was hardcoded to true for MySQL handler because the new analyzer was not enabled by default. Now, it can be unhardcoded. #80916 (Yarik Briukhovetskyi).Why it matters
Previously, theprefer_column_name_to_alias setting was forced to true for the MySQL handler because the new query analyzer was not enabled by default. This change provides flexibility by unhardcoding the setting, enabling better compatibility and control over column name versus alias preference in query results.How to use it
Users can now configure theprefer_column_name_to_alias setting explicitly when using the MySQL handler by adjusting the related user settings or configuration files to either true or false according to their preference.