Scalar function examples in DuckDB extensions

This repository is based on https://github.com/duckdb/extension-template, check it out if you want to build and ship your own DuckDB extension.

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Contains examples of implementing scalar functions in DuckDB extensions. Take a look at my blog post!

Building

Build steps

To build the extension, run:

make

Running the extension

To run the extension code, simply start the shell with ./build/release/duckdb.

Now we can use the features from the extension directly in DuckDB, for example:

D select quack('Jane') as result;
┌───────────────┐
│    result     │
│    varchar    │
├───────────────┤
│ Quack Jane 🐥 |
└───────────────┘