Xuhui contributed to the ankane/iceberg-go repository by developing catalog existence checks for tables and namespaces within the AWS Glue catalog. Leveraging Go for backend development and cloud integration, Xuhui implemented logic to verify the presence of catalog entities, enhancing automation safety and reducing the need for manual validation. The work included updating documentation to guide users on the new capabilities and refining error handling to address non-existent entities more robustly. This feature deepened the project’s catalog management coverage, aligning with broader operational improvements and supporting more reliable workflows for users interacting with AWS Glue through iceberg-go.