During July 2025, Doolf focused on enhancing batch processing reliability in the ClickHouse/clickhouse-go repository by addressing a parsing issue with nested backtick-quoted column names in batch insert queries. Using Go and leveraging SQL parsing expertise, Doolf implemented a fix that ensures complex identifiers are correctly handled during data ingestion, directly improving robustness for production batch operations. The solution included comprehensive regression tests to cover nested identifier scenarios, thereby increasing test coverage and reducing the risk of future regressions. This work demonstrated a deep understanding of batch processing internals and contributed to more reliable and maintainable data workflows in Go.