Rusty Conover

Rusty Conover

Data infrastructure engineer and founder of Query.Farm. Building DuckDB extensions, scaling data platforms, and writing about what I learn along the way.

DuckDB Apache Arrow Rust C++ TypeScript

Recent Activity

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8/10

Rusty was a busy bee across the DuckDB ecosystem today, orchestrating 27 commits across five repos while juggling classified operations behind closed doors. On the open-source front, he tackled version management for airport by opening issue #46 and immediately weighing in on the discussion, plus replied to the upstream DuckDB community-extensions issue #1492 about keeping things in sync—classic maintainer energy. He also cracked open PR #42 on duckdb/community-extensions and spun up some fresh work in rustyconover/community-extensions, while keeping a5 and the community's tiny-parquet project on his radar. Meanwhile, classified project clearly demanded most of his attention with 27 events, while classified project, classified project, classified project, classified project, and classified project hummed along in the background.

27 commits 2 PRs 1 issues
egress-proxy-envoy-build community-extensions airport community-extensions a5 tiny-parquet + private
8/10

Rusty was a busy bee across the DuckDB ecosystem today, spinning up work on tomographic-digest while fielding pull requests on the official duckdb/community-extensions repo—proving that even extension authors need code review. Behind closed doors, classified project saw major activity (17 events worth of classified intrigue), with smaller ops ongoing in classified project and classified project. Meanwhile, rustyconover/community-extensions got some love with multiple pushes and branch creations, Query-farm/a5 received attention, and Rusty even starred tobilg/ducklings (a fellow traveler in the data engineering space, it seems). Eighteen commits across five repos is the kind of distributed chaos that keeps a polyrepo developer sharp.

18 commits 2 PRs
tomographic-digest community-extensions community-extensions ducklings a5 + private
8/10

Rusty went full steam ahead across the VGI infrastructure stack, shipping a release on vgi-rpc-python while hammering out 40 commits across vgi-entrypoint, vgi-injector, and related repos. The day saw both repos go public—a significant milestone—plus some aggressive refactoring and cleanup work (DeleteEvents suggest some architectural pruning). Behind closed doors, classified project and classified project kept him busy with classified operations. He also poked around the DuckDB ecosystem, reviewing activity on the official duckdb repo and keeping tabs on duckdb-claude-skills. A day of infrastructure momentum with a release shipped and visibility gained.

40 commits
duckdb duckdb-claude-skills rusty.today + private

Posts & Events

Query.Farm

VGI Injector: A Tiny HTTPS Download-and-Execute Binary in Zig

I needed a self-contained binary that downloads a program over HTTPS and exec's it — small enough to run in a FROM scratch container with nothing else. Go and Rust couldn't get small enough. Zig could.

DuckDB

TIME Data Type Compatibility Across Databases

A survey of the TIME data type across 14 databases, comparing supported ranges, maximum values, and whether the special value 24:00:00 is accepted.

Query.Farm

Telemetry for DuckDB Extensions Without the Pain

I open-sourced the telemetry client I use across Query.Farm's DuckDB extensions. It's two files, one function call, and it only collects platform and version info.

Query.Farm

Releasing vgi-rpc: An RPC Framework Built on Apache Arrow

I built an RPC framework for Python that uses Apache Arrow IPC as the wire format and Python Protocol classes as the interface definition. No .proto files, no codegen — just type annotations.

DuckDB

Acronym-Aware Case Conversions in the DuckDB Inflector Extension

The Inflector extension for DuckDB now supports configurable acronyms, so case conversions preserve terms like HTML, API, and URL as fully uppercase — configured through a native DuckDB setting.

DuckDB

DuckDB Extension Development Workshop

DuckDB Developer Meeting #1 — Amsterdam, Netherlands

Apache Arrow

Building on Flight: Real-World Lessons from the DuckDB Airport Extension

Apache Arrow Summit 2025 — Paris, France

Query.Farm

Query.Farm: Growing DuckDB Community Extensions

DuckDB Amsterdam Meetup #3 — Amsterdam, Netherlands

What I've Been Working On

Full activity log →

I've been deep in ecosystem stewardship over the past three months, modernizing the DuckDB extension landscape while contributing meaningful improvements upstream to Apache Arrow and DuckDB core. February was a masterclass in coordinated infrastructure work—I led a compatibility crusade across 40+ extensions for DuckDB 1.5, shipped a complete production-ready vgi-rpc ecosystem across four languages, and contributed custom metadata enhancements to Apache Arrow that fix silent data drops. The classified work interspersed throughout January kept things mysterious, but the public wins speak for themselves: meaningful performance archaeology, security vulnerability disclosures, and a weather app that actually understands what cyclists and dog walkers need.

• Upgraded 40+ Query-farm extensions for DuckDB 1.5 compatibility while standardizing documentation across 29 repositories and shipping a complete vgi-rpc ecosystem with Python, C++, Go, and TypeScript implementations

• Contributed upstream enhancements to Apache Arrow across four language implementations, adding custom metadata support for RecordBatch IPC messages and fixing issues that likely haunted production systems

• Enhanced Fair Weather Friend with PWA support, astronomical stargazing mode, cycling-specific weather scoring, and paw safety alerts for dog walking—proving weather apps can be both delightfully practical and genuinely useful