Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/9766#discussion_r81877809
--- Diff: python/pyspark/sql/context.py ---
@@ -202,6 +202,10 @@ def registerFunction(self, name, f,
returnType=StringType()):
"""
self.sparkSession.catalog.registerFunction(name, f, returnType)
+ def registerJavaFunction(self, name, javaClassName, returnType):
--- End diff --
It would be good to have tests that call this from the Python side, also it
probably needs a docstring and since annotation as well (see registerFunction
since you take similar params).
It might also make sense to have the same default return type of StringType
as the current registerFunction but that is more a matter of taste.
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