jingz-db commented on code in PR #48005:
URL: https://github.com/apache/spark/pull/48005#discussion_r1828499971


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/pythonLogicalOperators.scala:
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@@ -168,26 +168,53 @@ case class FlatMapGroupsInPandasWithState(
  * methods for new rows in each trigger and the user's state/state variables 
will be stored
  * persistently across invocations.
  * @param functionExpr function called on each group
- * @param groupingAttributes used to group the data
+ * @param groupingAttributesLen length of the seq of grouping attributes for 
input dataframe

Review Comment:
   Added the prerequisite to the docstring.



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