Laurens created SPARK-34693:
-------------------------------
Summary: Support null in conversions to and from Arrow
Key: SPARK-34693
URL: https://issues.apache.org/jira/browse/SPARK-34693
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.1.1
Reporter: Laurens
Looks like a regression from or related to SPARK-33489.
I got the following running spark 3.1.1. with koalas 1.7.0
{code:java}
TypeError Traceback (most recent call last)
/var/scratch/miniconda3/lib/python3.8/site-packages/pyspark/sql/udf.py in
returnType(self)
100 try:
--> 101 to_arrow_type(self._returnType_placeholder)
102 except TypeError:
/var/scratch/miniconda3/lib/python3.8/site-packages/pyspark/sql/pandas/types.py
in to_arrow_type(dt)
75 else:
---> 76 raise TypeError("Unsupported type in conversion to Arrow: " +
str(dt))
77 return arrow_type
TypeError: Unsupported type in conversion to Arrow: NullType
{code}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
