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hyukjinkwon 7ef6d1daf8 [SPARK-25328][PYTHON] Add an example for having two columns as the grouping key in group aggregate pandas UDF 
## What changes were proposed in this pull request?

This PR proposes to add another example for multiple grouping key in group aggregate pandas UDF since this feature could make users still confused.

## How was this patch tested?

Manually tested and documentation built.

Closes #22329 from HyukjinKwon/SPARK-25328.

Authored-by: hyukjinkwon <gurwls223@apache.org>
Signed-off-by: Bryan Cutler <cutlerb@gmail.com>
2018-09-06 08:18:49 -07:00
..
__init__.py [SPARK-22369][PYTHON][DOCS] Exposes catalog API documentation in PySpark 2017-11-02 15:22:52 +01:00
catalog.py [SPARK-24665][PYSPARK][FOLLOWUP] Use SQLConf in PySpark to manage all sql configs 2018-08-17 10:18:08 +08:00
column.py [SPARK-23847][PYTHON][SQL] Add asc_nulls_first, asc_nulls_last to PySpark 2018-04-08 12:09:06 +08:00
conf.py [SPARK-23698][PYTHON] Resolve undefined names in Python 3 2018-08-22 10:06:59 -07:00
context.py [SPARK-24665][PYSPARK] Use SQLConf in PySpark to manage all sql configs 2018-07-02 14:35:37 +08:00
dataframe.py [SPARK-23030][SQL][PYTHON] Use Arrow stream format for creating from and collecting Pandas DataFrames 2018-08-29 15:01:12 +08:00
functions.py [SPARK-25328][PYTHON] Add an example for having two columns as the grouping key in group aggregate pandas UDF 2018-09-06 08:18:49 -07:00
group.py [SPARK-24722][SQL] pivot() with Column type argument 2018-08-04 14:17:32 +08:00
readwriter.py [MINOR][DOC] Add missing compression codec . 2018-08-11 20:49:52 +08:00
session.py [SPARK-23030][SQL][PYTHON] Use Arrow stream format for creating from and collecting Pandas DataFrames 2018-08-29 15:01:12 +08:00
streaming.py [SPARK-23698][PYTHON] Resolve undefined names in Python 3 2018-08-22 10:06:59 -07:00
tests.py [SPARK-24721][SQL] Exclude Python UDFs filters in FileSourceStrategy 2018-08-28 10:57:13 +08:00
types.py [SPARK-23555][PYTHON] Add BinaryType support for Arrow in Python 2018-08-17 22:14:42 -07:00
udf.py [SPARK-23754][PYTHON][FOLLOWUP] Move UDF stop iteration wrapping from driver to executor 2018-06-11 10:15:42 +08:00
utils.py [SPARK-24721][SQL] Exclude Python UDFs filters in FileSourceStrategy 2018-08-28 10:57:13 +08:00
window.py [SPARK-23861][SQL][DOC] Clarify default window frame with and without orderBy clause 2018-04-07 00:15:54 +08:00