Is it currently possible (or planned) to support output of multiple rows, or multiple columns from a python UDF?

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1

is something Similar to the Flatmap java udf possible with python UDFs?

2

Unfortunately, this is currently not possible, but you should be able to approximate the same behavior by writing a python function that returns a list and exploding that into multiple rows with Builder’s built-in transforms.

Is that approach sufficient for your use case?

3

Hey Charlie, thanks for the info! We will use the built in PB transforms for now.