xinrong-meng commented on code in PR #40684: URL: https://github.com/apache/spark/pull/40684#discussion_r1183174981
########## python/pyspark/sql/connect/dataframe.py: ########## @@ -249,14 +254,18 @@ def crossJoin(self, other: "DataFrame") -> "DataFrame": raise Exception("Cannot cartesian join when self._plan is empty.") if other._plan is None: raise Exception("Cannot cartesian join when other._plan is empty.") - + self.checkSameSparkSession(other) return DataFrame.withPlan( plan.Join(left=self._plan, right=other._plan, on=None, how="cross"), session=self._session, ) crossJoin.__doc__ = PySparkDataFrame.crossJoin.__doc__ + def checkSameSparkSession(self, other: "DataFrame") -> None: + if self._session.session_id != other._session.session_id: + raise PySparkException("Both Datasets must belong to the same SparkSession") Review Comment: Feel free to adjust that in a follow-up though. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org