HyukjinKwon commented on a change in pull request #34240:
URL: https://github.com/apache/spark/pull/34240#discussion_r726168788
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File path: python/pyspark/sql/functions.py
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@@ -199,6 +199,76 @@ def min(col: "ColumnOrName") -> Column:
return _invoke_function_over_column("min", col)
+@since(3.3)
+def max_by(col: "ColumnOrName", ord: "ColumnOrName") -> Column:
+ """
+ Returns the value associated with the maximum value of ord.
+
+ .. versionadded:: 3.3.0
+
+ Parameters
+ ----------
+ col : :class:`~pyspark.sql.Column` or str
+ target column that the value will be returned
+ ord : :class:`~pyspark.sql.Column` or str
+ column to be maximized
+
+ Returns
+ -------
+ :class:`~pyspark.sql.Column`
+ value associated with the maximum value of ord.
+
+ Examples
+ --------
+ >>> from pyspark.sql.functions import max_by
+ >>> spark.createDataFrame([
+ ... ("Java", 2012, 20000), \\
Review comment:
Actually you can remove \\\\ here
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