Overview

What is this?

Apache Arrow Flight SQL adapter for PostgreSQL is a PostgreSQL extension that adds an Apache Arrow Flight SQL endpoint to PostgreSQL.

Apache Arrow Flight SQL is a protocol to use Apache Arrow format to interact with SQL databases. You can use Apache Arrow Flight SQL instead of the PostgreSQL wire protocol to interact with PostgreSQL by Apache Arrow Flight SQL adapter for PostgreSQL.

Apache Arrow format is designed for fast typed table data exchange. If you want to get large data by SELECT or INSERT/UPDATE large data, Apache Arrow Flight SQL will be faster than the PostgreSQL wire protocol.

Benchmark

See also a simple benchmark result that just executes SELECT * FROM integer_only_table. It shows that Apache Arrow Flight SQL is faster than the PostgreSQL wire protocol when result data is large.