zhengruifeng commented on code in PR #54195:
URL: https://github.com/apache/spark/pull/54195#discussion_r2777265932
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python/pyspark/sql/classic/dataframe.py:
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@@ -280,6 +281,11 @@ def explain(
def exceptAll(self, other: ParentDataFrame) -> ParentDataFrame:
return DataFrame(self._jdf.exceptAll(other._jdf), self.sparkSession)
+ def zipWithIndex(self, indexColName: str = "index") -> ParentDataFrame:
+ return self.select(
+ F.col("*"),
InternalFunction.distributed_sequence_id().alias(indexColName)
Review Comment:
this function is dedicated for PS, and I am making it different from
zipWithIndex on underlying RDD cache.
basically, we directly invoke JVM methods via py4j for methods in pyspark
classic
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