In March 2025, Prom Zelev delivered a targeted feature enhancement to the ClickHouse/clickhouse-go repository, enabling decimal column inputs to be provided as strings. By implementing robust string-to-decimal conversion and updating parsing and validation logic, Prom addressed ingestion issues that arise when upstream data sources emit decimals as text. The work included comprehensive test coverage across multiple precisions and string formats, ensuring correctness and reliability. Utilizing Go and leveraging skills in data type handling, database integration, and testing, Prom’s contribution improved ETL pipeline compatibility and reduced ingestion errors, reflecting a focused and well-executed engineering effort within a short timeframe.