Learning how to define a function in Python is one of the most important steps to mastering the language. Functions are blocks of code that perform a specific task and can be “called” from any ...

I recommend that we work to expose scalar, aggregate, and window user defined functions via FFI. This is to support the issue apache/datafusion-python#1017 For the datafusion-python project, we can ...

With the continuous evolution of database technology, numerous databases and query analysis engines have begun to incorporate user-defined functions into SQL. These functions enable users to express ...