During April 2025, Kai contributed to the dbeaver/dbeaver repository by implementing support for Dameng database constraints, focusing on primary keys, unique keys, and check constraints. Kai developed Dameng-specific constraint metadata handling in Java, enabling accurate display and interaction with constraint information within the DBeaver interface. The work also included updating localization files in multiple languages, ensuring consistent internationalization for users across different regions. By expanding DBeaver’s database compatibility and improving metadata workflows, Kai enhanced the platform’s ability to manage data integrity for Dameng users. The project demonstrated depth in database development, internationalization, and Java programming within a complex codebase.