OK, I misread the year on the dev list. Can you comment on work arounds?
(I.e. question about if scala/java are the only option.)

On Sun, Oct 16, 2016 at 12:09 PM, Holden Karau <hol...@pigscanfly.ca> wrote:

> The comment on the developer list is from earlier this week. I'm not sure
> why UDAF support hasn't made the hop to Python - while I work a fair amount
> on PySpark it's mostly in core & ML and not a lot with SQL so there could
> be good reasons I'm just not familiar with. We can try pinging Davies or
> Michael on the JIRA to see what their thoughts are.
>
> On Sunday, October 16, 2016, Tobi Bosede <ani.to...@gmail.com> wrote:
>
>> Thanks for the info Holden.
>>
>> So it seems both the jira and the comment on the developer list are over
>> a year old. More surprising, the jira has no assignee. Any particular
>> reason for the lack of activity in this area?
>>
>> Is writing scala/java the only work around for this? I hear a lot of
>> people say python is the gateway language to scala. It is because of issues
>> like this that people use scala for Spark rather than python or eventually
>> abandon python for scala. It just takes too long for features to get ported
>> over from scala/java.
>>
>>
>> On Sun, Oct 16, 2016 at 8:42 AM, Holden Karau <hol...@pigscanfly.ca>
>> wrote:
>>
>>> I don't believe UDAFs are available in PySpark as this came up on the
>>> developer list while I was asking for what features people were missing in
>>> PySpark - see http://apache-spark-developers-list.1001551.n3.nabble.co
>>> m/Python-Spark-Improvements-forked-from-Spark-Improvement-Pr
>>> oposals-td19422.html . The JIRA for tacking this issue is at
>>> https://issues.apache.org/jira/browse/SPARK-10915
>>>
>>> On Sat, Oct 15, 2016 at 7:20 PM, Tobi Bosede <ani.to...@gmail.com>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> I am trying to use a UDF that calculates inter-quartile (IQR) range for
>>>> pivot() and SQL in pyspark and got the error that my function wasn't an
>>>> aggregate function in both scenarios. Does anyone know if UDAF
>>>> functionality is available in python? If not, what can I do as a work
>>>> around?
>>>>
>>>> Thanks,
>>>> Tobi
>>>>
>>>
>>>
>>>
>>> --
>>> Cell : 425-233-8271
>>> Twitter: https://twitter.com/holdenkarau
>>>
>>
>>
>
> --
> Cell : 425-233-8271
> Twitter: https://twitter.com/holdenkarau
>
>

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