allisonwang-db commented on code in PR #42302:
URL: https://github.com/apache/spark/pull/42302#discussion_r1282426270
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python/pyspark/worker.py:
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@@ -656,32 +651,46 @@ def mapper(_, it):
def wrap_udtf(f, return_type):
assert return_type.needConversion()
toInternal = return_type.toInternal
+ return_type_size = len(return_type)
def verify_and_convert_result(result):
# TODO(SPARK-44005): support returning non-tuple values
if result is not None and hasattr(result, "__len__"):
- if len(result) != len(return_type):
+ if len(result) != return_type_size:
Review Comment:
This is to address this comment:
https://github.com/apache/spark/pull/42157/files#r1276758240
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