Stores

Local Parquet Store

alphaforge.store.local_parquet

LocalParquetStore dataclass

Bases: Store

Local filesystem store.

• If pyarrow is available: parquet
• Otherwise: pickle

DuckDB Parquet Store

alphaforge.store.duckdb_parquet

DuckDBParquetStore dataclass

Store FeatureFrames as Parquet on disk, indexed by DuckDB.

Layout

root/ alphaforge.duckdb frames//X.parquet frames//catalog.parquet frames//meta.json states//payload.bin states//meta.json