Worked on hardening data ingestion paths in the spiceai/datafusion repository by addressing error handling for MemTable insertions with zero partitions. Focused on preventing invalid operations during the planning phase, the solution introduced end-to-end validation and surfaced clear, actionable error messages to guide users when such cases occur. This approach ensured that silent failures were eliminated and users received immediate feedback on invalid MemTable operations. The work was implemented using Rust, with a strong emphasis on robust error handling and comprehensive unit testing. The changes improved reliability and user experience by making error states explicit and easier to diagnose during development.