ArnebDistributed SQL Query Engine

A Trino alternative built in Rust. Federated queries across heterogeneous data sources with PostgreSQL wire compatibility.

Arrow-Native

All intermediate data in Apache Arrow columnar format. No row-by-row processing.

Full Simple and Extended Query protocol. Works with psql, DBeaver, JDBC, and psycopg2 out of the box.

Query CSV, Parquet, S3, GCS, Azure, and Hive Metastore catalogs from a single SQL interface.

Coordinator-worker architecture with Apache Arrow Flight RPC for high-throughput data exchange.