HyukjinKwon commented on a change in pull request #25939: [SPARK-27463][PYTHON]
Tidy Up
URL: https://github.com/apache/spark/pull/25939#discussion_r328495869
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File path: python/pyspark/sql/cogroup.py
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@@ -78,6 +83,19 @@ def apply(self, udf):
|20000101| 2|2.0| y|
|20000102| 2|4.0| y|
+--------+---+---+---+
+ >>> @pandas_udf("time int, id int, v1 double, v2 string",
PandasUDFType.COGROUPED_MAP) # doctest: +SKIP
Review comment:
Can we insert some documentation like
https://github.com/apache/spark/blob/81de9d3c296da9e632376e720189674401bd6639/python/pyspark/sql/functions.py#L3100-L3113
BTW, I think we should document this pandas udf type later at `pandas_udf`'s
docstring. This one can be done together with
[SPARK-29126](https://issues.apache.org/jira/browse/SPARK-29126)
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