HyukjinKwon commented on a change in pull request #30745:
URL: https://github.com/apache/spark/pull/30745#discussion_r541824332
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File path: python/pyspark/sql/functions.py
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@@ -208,6 +208,14 @@ def sumDistinct(col):
return _invoke_function_over_column("sumDistinct", col)
+@since(3.2)
+def product(col, scale=1.0):
+ """
+ Aggregate function: returns the product of the values in a group.
+ """
Review comment:
Let's also add some doctests here.
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