Jenny worked on the apache/paimon repository, focusing on improving the reliability of DDL aggregation option handling. She implemented a validation mechanism at the DDL execution stage, introducing the validateMergeFunctionFactory within PrimaryKeyTableUtils to ensure that specified aggregation functions are discoverable before deployment. By integrating this validation into AbstractFlinkTableFactory, Jenny enabled early detection of misconfigured aggregation options during table creation or modification, effectively reducing runtime errors. Her work leveraged Apache Flink, Core Java, and data engineering principles to enhance the robustness of database systems. This contribution addressed a critical bug, demonstrating depth in both technical approach and problem analysis.