DuckDB

There's a DuckDB community extension by @ywelsch at the DuckDB Community Extension Repository.

sql

INSTALL prql FROM community;
LOAD prql;
-- Once the extension is loaded, you can write PRQL queries
from (read_csv 'https://raw.githubusercontent.com/PRQL/prql/0.8.0/prql-compiler/tests/integration/data/chinook/invoices.csv')
filter invoice_date >= @2009-02-01
take 5;

Check out the extension's documentation for more details.