Hi Herman, 

That’s great and thanks for quick reply. The JIRA has an example of transform and refers to a presto doc with lots of functions. Do you know which functions will be supported. I am interested in using filter for example.



On 19 Apr 2018, at 10:46, Herman van Hövell tot Westerflier <herman@databricks.com> wrote:

Hi Mick,

Higher order functions will be in the next release of Spark (2.4). See SPARK-23908 for more information. The PR should be out in a few weeks.

- Herman

On Thu, Apr 19, 2018 at 11:20 AM, Mick Davies <michael.belldavies@gmail.com> wrote:
Regarding higher order functions

> Yes, we intend to contribute this to open source.

It doesn't look like this is in 2.3.0, at least I can't find it.

Do you know when it might reach open source.



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