Add UDFRegister functions for Spark 2.4

Kotlin / kotlin-spark-api

This projects gives Kotlin bindings and several extensions for Apache Spark. We are looking to have this as a part of Apache Spark 3.x

Apache License 2.0

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Closed FelixEngl closed 3 years ago

FelixEngl commented 3 years ago

Add a kotlin-styled way to create and call UDFs in a more secure manner.

Add more Unit-Tests?
Publish generator code for the functions (but i don't know where i should put it)

Add advanced type-checking before calling a function by comparing the schematas of the function parameters with the column schema?

FelixEngl commented 3 years ago

Messed up branches. Will make new pull request with separate branch.