Apache DataFusion Java is a thin Java binding over the Apache DataFusion query engine. SQL and DataFrame queries execute in native Rust; results return to the JVM as Apache Arrow record batches over the Arrow C Data Interface.
This guide covers installation, the SessionContext and DataFrame APIs, and Parquet ingestion.
:maxdepth: 1 installation quickstart sessioncontext dataframe parquet proto-plans scalar-udf table-provider api-reference
Early development: the API will change between releases. Bug reports and contributions welcome.