ueshin commented on a change in pull request #33646:
URL: https://github.com/apache/spark/pull/33646#discussion_r685436498
##########
File path: python/pyspark/pandas/window.py
##########
@@ -706,10 +706,16 @@ def _apply_as_series_or_frame(self, func:
Callable[[Column], Column]) -> FrameLi
if groupby._agg_columns_selected:
agg_columns = groupby._agg_columns
else:
+ # pandas doesn't keep the groupkey as a column from 1.3 for
DataFrameGroupBy
+ if isinstance(groupby, DataFrameGroupBy):
+ for groupkey in groupby._groupkeys: # type: ignore
+ groupby._column_labels_to_exclude.add( # type: ignore
Review comment:
Shall we not update `groupby._column_labels_to_exclude` directly?
```py
column_labels_to_exclude = groupby._column_labels_to_exclude.copy()
if isinstance(groupby, DataFrameGroupBy):
for ...
column_labels_to_exclude.add( ... )
agg_columns = [ ... if label not in column_labels_to_exclude]
```
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