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Extension descriptor (YAML)

Support for PRQL, the Pipelined Relational Query Language

Compatibility Matrix

This table covers all DuckDB releases that have not reached end-of-life, including LTS releases, and shows the 2 most recent patch releases of each. Older patch releases are not listed, but the extension may be available for them as well.

Installing and Loading

INSTALL prql FROM community;
LOAD prql;

Example

let invoices = s"select * from 'https://raw.githubusercontent.com/PRQL/prql/0.8.0/prql-compiler/tests/integration/data/chinook/invoices.csv'"
let customers = s"select * from 'https://raw.githubusercontent.com/PRQL/prql/0.8.0/prql-compiler/tests/integration/data/chinook/customers.csv'"
from invoices
filter invoice_date >= @1970-01-16
derive {
  transaction_fees = 0.8,
  income = total - transaction_fees
}
filter income > 1
group customer_id (
  aggregate {
    average total,
    sum_income = sum income,
    ct = count total,
  }
)
sort {-sum_income}
take 10
join c=customers (==customer_id)
derive name = f"{c.last_name}, {c.first_name}"
select {
  c.customer_id, name, sum_income
}
derive db_version = s"version()"

About prql

The PRQL extension adds support for the Pipelined Relational Query Language.

Added Functions

This extension does not add any functions.

Overloaded Functions

This extension does not add any function overloads.

Added Types

This extension does not add any types.

Added Settings

This extension does not add any settings.