dongjoon-hyun commented on code in PR #54352:
URL: https://github.com/apache/spark/pull/54352#discussion_r2823986814
##########
python/pyspark/pandas/groupby.py:
##########
@@ -329,7 +329,7 @@ def aggregate(
i for i, gkey in enumerate(self._groupkeys) if gkey._psdf
is not self._psdf
)
else:
- column_names = [column.name for column in self._agg_columns]
+ column_names = set(func_or_funcs)
Review Comment:
This is `set` instead of `dict`, isn't it, @ueshin ? I'm a little confused
with the PR title and description.
> Fixes groupby(as_index=False).agg with *dict*.
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