alamb opened a new issue, #7307: URL: https://github.com/apache/arrow-datafusion/issues/7307
### Is your feature request related to a problem or challenge? Part of https://github.com/apache/arrow-datafusion/issues/7014 If we want to have DataFusion used as the core of many new systems, we need it to be as easy as possible for someone to get their idea working on top of DataFusion. Thanks to @tshauck we now have a basic Library Users Guide ❤️ and this ticket describes expanding it out ### Describe the solution you'd like Fill in the content of https://arrow.apache.org/datafusion/library-user-guide/adding-udfs.html Example Outline 1. How to create and register a `ScalarUDF` 1. How to create and register a `AggregateUDF` 1. How to create and register a `WindowUDF` The examples directory holds a bunch more of examples: https://github.com/apache/arrow-datafusion/tree/main/datafusion-examples ### Describe alternatives you've considered _No response_ ### Additional context _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
