Is there any documentation/ sample about this besides the pull requests merged
to spark core?
It seems that I need to create my custom functions under the package
org.apache.spark.sql.* in order to be able to access some of the internal
classes I saw in[1] such as Column[2]
Could you ple
Hi,
I read online[1] that for a best UDF performance it is possible to implement
them using internal Spark expressions, and I also saw a couple of pull
requests such as [2] and [3] where this was put to practice (not sure if for
that reason or just to extend the API).
We have an algorithm
