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@Query-farm

Query.Farm

We build with DuckDB. Extensions. Products. Consulting. Tools.

🚜 Query.Farm

We build with DuckDB — extensions, products, consulting, and tools.

🦆 DuckDB, Extended

Query.Farm is a product studio focused on extending DuckDB.

We write DuckDB extensions, build developer tools, and help teams embed DuckDB into modern data systems.

If you’re working with DuckDB, we can help you accomplish great things.

💼 What We Offer

🧩 DuckDB Extension Development

We build native DuckDB extensions in C++ and Rust — from custom functions and table sources to new file formats and catalogs.

If DuckDB doesn’t do it yet, we can make it happen.

🛠️ Tools & Products

We’re building software around DuckDB and Apache Arrow: libraries, connectors, developer utilities, and full-stack integrations.

Get in touch to learn more or ask about early access.

🧠 Expert Consulting

From performance tuning to production deployment, we help teams use DuckDB effectively — embedded, at the edge, or in the cloud.

Whether you’re starting fresh or scaling fast, we can guide the way.

👋 Let’s Talk

If you’re building with DuckDB — or want to — we’d love to help.

📬 [email protected]

🌾 About Query.Farm

We’re data people — database engineers, systems hackers, and DuckDB contributors focused on building powerful, lightweight solutions.

We help teams get the most out of DuckDB: fast, open, and local analytics at your fingertips.

  • Query.Farm is an independent company.
  • We’re not affiliated with DuckDB Labs or the DuckDB Foundation.
  • We build on the public DuckDB project, and deeply respect the team behind it — many of whom we count as friends and collaborators in the broader DuckDB ecosystem.

Pinned Loading

  1. airport airport Public

    The Airport extension for DuckDB, enables the use of Arrow Flight with DuckDB

    C++ 270 17

  2. shellfs shellfs Public

    DuckDB extension allowing shell commands to be used for input and output.

    C++ 76 2

  3. lindel lindel Public

    DuckDB Extension Linearization/Delinearization, Z-Order, Hilbert and Morton Curves

    C++ 48 4

  4. datasketches datasketches Public

    Integrates DuckDB with the high-performance Apache DataSketches library. This extension enables users to perform approximate analytics on large-scale datasets using state-of-the-art streaming algor…

    C++ 23

  5. evalexpr_rhai evalexpr_rhai Public

    A DuckDB extension to evaluate the Rhai scripting language as part of SQL.

    C++ 19

  6. crypto crypto Public

    DuckDB Extension for cryptographic hash functions and HMAC

    Rust 19 3

Repositories

Showing 10 of 19 repositories
  • airport Public

    The Airport extension for DuckDB, enables the use of Arrow Flight with DuckDB

    Query-farm/airport’s past year of commit activity
    C++ 270 MIT 17 6 1 Updated Jul 24, 2025
  • python-airport-test-server Public

    An Apache Arrow Flight server that demonstrates all capabilities of the DuckDB Airport extension.

    Query-farm/python-airport-test-server’s past year of commit activity
    Python 1 MIT 0 0 0 Updated Jul 24, 2025
  • python-flight-server Public

    A Python framework to build Arrow Flight servers for the DuckDB Airport Extension

    Query-farm/python-flight-server’s past year of commit activity
    Python 3 MIT 0 0 0 Updated Jul 24, 2025
  • python-airport-hello-world Public

    A hello world server for the Airport Extension for DuckDB

    Query-farm/python-airport-hello-world’s past year of commit activity
    Python 1 0 0 0 Updated Jul 21, 2025
  • airport-docs Public

    The documentation for the DuckDB Airport extension.

    Query-farm/airport-docs’s past year of commit activity
    Shell 0 MIT 0 0 0 Updated Jul 21, 2025
  • datasketches Public

    Integrates DuckDB with the high-performance Apache DataSketches library. This extension enables users to perform approximate analytics on large-scale datasets using state-of-the-art streaming algorithms, all from within DuckDB.

    Query-farm/datasketches’s past year of commit activity
    C++ 23 MIT 0 1 0 Updated Jul 19, 2025
  • lindel Public

    DuckDB Extension Linearization/Delinearization, Z-Order, Hilbert and Morton Curves

    Query-farm/lindel’s past year of commit activity
    C++ 48 MIT 4 0 0 Updated Jul 18, 2025
  • python-sql-manipulation Public

    A Python library for intelligent SQL predicate manipulation using SQLGlot. This library provides tools to safely remove specific predicates from SQL WHERE clauses and filter SQL statements based on column availability.

    Query-farm/python-sql-manipulation’s past year of commit activity
    Python 1 MIT 0 0 0 Updated Jul 10, 2025
  • python-sql-scan-planning Public

    A Python library for intelligent file filtering using SQL expressions and metadata-based scan planning. This library enables efficient data lake query optimization by determining which files need to be scanned based on their statistical metadata.

    Query-farm/python-sql-scan-planning’s past year of commit activity
    Python 2 MIT 0 0 0 Updated Jul 10, 2025
  • python-duckdb-json-serialization Public

    Parse and manipulate DuckDB Serialized Expressions in Python

    Query-farm/python-duckdb-json-serialization’s past year of commit activity
    Python 1 MIT 0 0 0 Updated Jul 8, 2025

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