Worked on the tursodatabase/turso repository, focusing on a critical bug fix that improved SQL query reliability. Addressed an issue in GROUP BY clause resolution by ensuring that real column names are prioritized over aliases during SQL translation, which reduced alias-related errors and improved the accuracy of analytics workloads. The solution involved modifying core translation logic to better align with SQL semantics, validating changes to maintain correctness. Utilized Rust and SQL to implement and test the fix, demonstrating skills in database management and commit-driven maintenance. This targeted update enhanced the reliability of GROUP BY queries without introducing new features during the period.