pyarrow recipes
2 tested pyarrow integration recipes with duckdb, polars, pandas. Exact pinned versions and a last-passed receipt, last run 2026-10-15.
passed5/5python
DuckDB over Polars DataFrames: replacement scans, parquet roundtrip, group-by parity
Query Polars DataFrames directly with DuckDB, return .pl() results, round-trip through parquet in tmp_path, and check group-by aggregations against Polars native output.
duckdb@1.5.6polars@2.0.0pyarrow@26.0.0
last passed 2026-10-15 14:12 UTC
passed4/4python
Pandas pyarrow-backed dtypes with partitioned Parquet round trips
Write and read partitioned Parquet with pyarrow, enforce a pa.schema on write, and keep nullable ints intact using dtype_backend=pyarrow, tested offline on tmp_path.
pandas@3.0.6pyarrow@26.0.0pytest@9.1.1
last passed 2026-10-15 14:16 UTC