HyukjinKwon commented on code in PR #48770:
URL: https://github.com/apache/spark/pull/48770#discussion_r1835636736
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/PythonUDF.scala:
##########
@@ -169,6 +148,23 @@ case class PythonUDAF(
override protected def withNewChildrenInternal(newChildren:
IndexedSeq[Expression]): PythonUDAF =
copy(children = newChildren)
+
+ override def checkInputDataTypes(): TypeCheckResult = {
Review Comment:
```python
import pandas as pd
from pyspark.sql.functions import pandas_udf
df = spark.createDataFrame(
[(1, 1.0), (1, 2.0), (2, 3.0), (2, 5.0), (2, 10.0)],
("id", "v"))
# Declare the function and create the UDF
@pandas_udf("double")
def mean_udf(v: pd.Series) -> float:
return v.mean()
df.select(mean_udf(df['v'])).show()
```
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
