ROAPI automatically spins up read-only APIs and query frontends for slowly moving datasets without requiring you to write a single line of code. It builds on top of Apache Arrow and Datafusion. The core of its design can be boiled down to the following:
Its pluggable query core design makes it possible for users to efficiently perform join queries across a diverse set of datasources from simple CSV/Parquet files in Data warehouses, to MySQL/Postgres, to SASS like Google spreadsheet.