viirya commented on a change in pull request #28052: [SPARK-31287][PYTHON][SQL]
Ignore type hints in groupby.(cogroup.)applyInPandas and mapInPandas
URL: https://github.com/apache/spark/pull/28052#discussion_r399414499
##########
File path: python/pyspark/sql/pandas/functions.py
##########
@@ -384,6 +384,14 @@ def _create_pandas_udf(f, returnType, evalType):
"In Python 3.6+ and Spark 3.0+, it is preferred to specify
type hints for "
"pandas UDF instead of specifying pandas UDF type which will
be deprecated "
"in the future releases. See SPARK-28264 for more details.",
UserWarning)
+ elif evalType in [PythonEvalType.SQL_GROUPED_MAP_PANDAS_UDF,
+ PythonEvalType.SQL_MAP_PANDAS_ITER_UDF,
+ PythonEvalType.SQL_COGROUPED_MAP_PANDAS_UDF]:
+ # In case of 'SQL_GROUPED_MAP_PANDAS_UDF', deprecation warning is
being triggered
+ # at `apply` instead.
+ # In case of 'SQL_MAP_PANDAS_ITER_UDF' and
'SQL_COGROUPED_MAP_PANDAS_UDF', the
+ # evaluation type will always be set.
+ pass
elif len(argspec.annotations) > 0:
Review comment:
Shall we show warn messaging in these cases that type hints are not
supported yet?
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