Reading list

Building DuckDB extensions

An extension has to do more than compile: it has to connect useful tools, run correctly in its target environment, and reach users when DuckDB releases change. These articles follow that path from a working integration to testing and distribution.

1. 01

   Enhancing DuckDB with Unix Pipe Integration: Introducing the shellfs Extension

   Start with a concrete integration: reading from and writing to Unix pipes directly in SQL.

2. 02

   Acronym-Aware Case Conversions in the DuckDB Inflector Extension

   A smaller example of extension design: preserving acronyms through configurable case conversions.

3. 03

   Compiling Isn't Running: Functionally Testing DuckDB-WASM Extensions

   Move beyond compilation checks to loading and executing extensions in WebAssembly.

4. 04

   A DuckDB Release Isn't a Distribution

   Follow an extension into distribution: release availability, update delays, and CI build costs.