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[SPARK-24392][PYTHON] Label pandas_udf as Experimental #21435

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[SPARK-24392][PYTHON] Label pandas_udf as Experimental #21435

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376149a
add experimental to pandas_udf
BryanCutler May 25, 2018
fb05282
add experimental note to other arrow functionality
BryanCutler May 26, 2018
0bce522
moved placement of note in pandas udf
BryanCutler May 26, 2018
a1e70aa
added line in migration guide
BryanCutler May 26, 2018
38a765d
Made section in migration guide for 2.3.1+
BryanCutler May 27, 2018
f977293
forgot newline
BryanCutler May 27, 2018
84b52f3
use backticks for conf
BryanCutler May 27, 2018
6b87330
fix case in heading
BryanCutler May 28, 2018
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2 changes: 2 additions & 0 deletions python/pyspark/sql/functions.py
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Expand Up @@ -2448,6 +2448,8 @@ def udf(f=None, returnType=StringType()):
@since(2.3)
def pandas_udf(f=None, returnType=None, functionType=None):
"""
.. note:: Experimental
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@HyukjinKwon HyukjinKwon May 26, 2018

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not a big deal but can we put this right before doctest just for consistency?

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@BryanCutler BryanCutler May 26, 2018

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yeah, it was hard to find a consistent place to put it. I changed this one to be after the param definitions, before doctest. hopefully that's better.


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@HyukjinKwon HyukjinKwon May 25, 2018

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@BryanCutler, can we add a short node for createDataFrame and to Pandas with Pandas DataFrame input/output?

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@BryanCutler BryanCutler May 25, 2018

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Yeah, I could have sworn that was added before but I don't see it anywhere. Would it make sense to add the note to the SQLconf description?

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@HyukjinKwon HyukjinKwon May 26, 2018 •
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Anywhere is fine IMHO if it looks making sense. Another option is things like:

.. versionchanged:: 2.3
  Arrow optimization added
  .. note:: Experimental

I just wanted to make sure this feature is experimental.

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@HyukjinKwon HyukjinKwon May 26, 2018

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BTW, don't forget to update group.apply().

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@BryanCutler BryanCutler May 26, 2018

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Trying to add the note under versionchanged ends up with everything on one line and the note isn't highlighted like usual with Experimental, so I just made it it's own note.

Creates a vectorized user defined function (UDF).

:param f: user-defined function. A python function if used as a standalone function
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