Maciej Szymkiewicz created SPARK-34191:
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Summary: udf type hint should allow dectorator with named
returnType
Key: SPARK-34191
URL: https://issues.apache.org/jira/browse/SPARK-34191
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 3.1.0, 3.2.0, 3.1.1
Reporter: Maciej Szymkiewicz
At the moment annotations allow following decorated patterns:
{code:python}
@udf
def f(x): ...
@udf("string") # Or DataType instance
def f(x): ...
@udf(f="string") # Awkward but technically valid
def f(x): ...
{code}
We should also support
{code:python}
@udf(returnType="string")
def f(x): ...
{code}
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