During March 2026, this developer contributed to the apache/doris-website repository by designing and implementing a CROSS_PRODUCT SQL function that computes the cross product of two 3D arrays, aligning with DuckDB feature parity. The work included robust input validation and comprehensive error handling to ensure reliability across diverse scenarios. To facilitate adoption and improve the developer experience, they authored detailed bilingual documentation in both English and Chinese, complete with practical examples. Leveraging SQL and Markdown, the developer focused on clear communication and usability, ultimately enhancing analytics capabilities and reducing onboarding time for users working with Doris’s advanced SQL features.