Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/20137#discussion_r159579617
--- Diff: python/pyspark/sql/catalog.py ---
@@ -227,15 +227,15 @@ def dropGlobalTempView(self, viewName):
@ignore_unicode_prefix
@since(2.0)
def registerFunction(self, name, f, returnType=StringType()):
- """Registers a python function (including lambda function) as a UDF
+ """Registers a Python function (including lambda function) or a
wrapped/native UDF
--- End diff --
Another idea just in case it helps:
```
Registers a Python function as a UDF or a user defined function.
```
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