Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19617#discussion_r147995716
--- Diff: python/pyspark/sql/functions.py ---
@@ -2185,6 +2185,12 @@ def udf(f=None, returnType=StringType()):
duplicate invocations may be eliminated or the function may even
be invoked more times than
it is present in the query.
+ .. note:: The user-defined functions do not support conditional
execution by using them with
--- End diff --
Yes. I think this is a valid worry. Thanks.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
