Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19249#discussion_r139305834
--- Diff: python/pyspark/sql/types.py ---
@@ -619,7 +621,8 @@ def fromInternal(self, obj):
# it's already converted by pickler
return obj
if self._needSerializeAnyField:
- values = [f.fromInternal(v) for f, v in zip(self.fields, obj)]
+ values = [f.fromInternal(v) if n else v
--- End diff --
Thanks for testing this out. Let's add a comment here to explain what we
are doing and move the worst case benchmark into the PR description.
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