chanansh commented on a change in pull request #23414: [Spark 26449][PYSPARK]
add a transform method to the Dataframe class
URL: https://github.com/apache/spark/pull/23414#discussion_r244580626
##########
File path: python/pyspark/sql/dataframe.py
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@@ -2045,7 +2045,46 @@ def toDF(self, *cols):
"""
jdf = self._jdf.toDF(self._jseq(cols))
return DataFrame(jdf, self.sql_ctx)
-
+
+ @since(3.0)
+ def transform(self, func, *args, **kwargs):
Review comment:
otherwise one need partial or lambda expressions which are cumbersome.
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