During January 2026, contributed to the MaterializeInc/materialize repository by implementing a PostgreSQL-compatible ABORT alias for ROLLBACK in transaction commands. This work involved updating the SQL lexer and parser, written in Rust, to recognize and correctly process the ABORT keyword, thereby aligning transaction command semantics with PostgreSQL standards. The enhancement improved SQL command compatibility and reduced migration friction for users and downstream tools. Focusing on parser development and SQL language integration, the changes were delivered through a targeted commit, reflecting a careful, commit-driven approach to transactional command flow and reliability. No major bugs were reported or fixed during this period.