Xinrong Meng created SPARK-42247:
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Summary: `returnType` attribute of UDF when the user-specified
return type has column name embeded
Key: SPARK-42247
URL: https://issues.apache.org/jira/browse/SPARK-42247
Project: Spark
Issue Type: Sub-task
Components: Connect, PySpark
Affects Versions: 3.4.0
Reporter: Xinrong Meng
The inconsistency can be reproduced as shown below:
{code}
# connect
>>> pandas_udf(lambda x : x + 1, "id int").returnType
IntegerType()
# vanilla PySpark
>>> pandas_udf(lambda x : x + 1, "id int").returnType
StructType([StructField('id', IntegerType(), True)])
{code}
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