During November 2024, Tanner Clary contributed to the apache/calcite repository by addressing legacy timestamp parsing and enhancing SQL dialect compatibility. He resolved a bug in RelJson by converting integer timestamp representations to long values, ensuring accurate handling of TIMESTAMP and TIMESTAMP_WITH_LOCAL_TIME_ZONE types. Tanner also developed a feature for dialect-aware numeric literal unparsing, introducing logic in Java to allow SqlDialect to render numeric literals according to each target SQL dialect. His work included expanding test coverage for edge cases, leveraging skills in backend development, compiler design, and SQL. These contributions improved Calcite’s reliability and reduced maintenance risk for legacy data.