HyukjinKwon commented on code in PR #41974:
URL: https://github.com/apache/spark/pull/41974#discussion_r1266268190
##########
examples/src/main/python/sql/arrow.py:
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@@ -275,6 +275,27 @@ def merge_ordered(left: pd.DataFrame, right: pd.DataFrame)
-> pd.DataFrame:
# +--------+---+---+----+
+def arrow_python_udf_example(spark: SparkSession) -> None:
+ from pyspark.sql.functions import udf
+
+ @udf(returnType='int') # A default, pickled Python UDF
+ def slen(s): # type: ignore[no-untyped-def]
Review Comment:
Why don't you just type it and remove the `ignore`?
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