During May 2025, Liang Xu focused on enhancing data type interoperability in the dbt-labs/arrow-adbc repository, specifically addressing boolean value handling between Snowflake and Apache Arrow. Liang identified and resolved a bug in the rowTypesToArrowSchema logic, ensuring that boolean columns from Snowflake are accurately mapped and serialized as Arrow boolean types. This targeted fix, implemented in Go, improved the reliability of ETL and analytics pipelines by preventing data misinterpretation downstream. Liang’s work demonstrated a strong grasp of Arrow Data Format, data type handling, and database driver integration, contributing to higher data quality and consistency across Snowflake-to-Arrow workflows.