Hyukjin Kwon created SPARK-24976:
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Summary: Allow None for Decimal type conversion (specific to Arrow
0.9.0)
Key: SPARK-24976
URL: https://issues.apache.org/jira/browse/SPARK-24976
Project: Spark
Issue Type: Sub-task
Components: PySpark
Affects Versions: 2.4.0
Reporter: Hyukjin Kwon
See https://jira.apache.org/jira/browse/ARROW-2432
If we use Arrow 0.9.0, the the test case (None as decimal) failed as below:
{code}
Traceback (most recent call last):
File "/.../spark/python/pyspark/sql/tests.py", line 4672, in
test_vectorized_udf_null_decimal
self.assertEquals(df.collect(), res.collect())
File "/.../spark/python/pyspark/sql/dataframe.py", line 533, in collect
sock_info = self._jdf.collectToPython()
File "/.../spark/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line
1257, in __call__
answer, self.gateway_client, self.target_id, self.name)
File "/.../spark/python/pyspark/sql/utils.py", line 63, in deco
return f(*a, **kw)
File "/.../spark/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328,
in get_return_value
format(target_id, ".", name), value)
Py4JJavaError: An error occurred while calling o51.collectToPython.
: org.apache.spark.SparkException: Job aborted due to stage failure: Task 3 in
stage 1.0 failed 1 times, most recent failure: Lost task 3.0 in stage 1.0 (TID
7, localhost, executor driver): org.apache.spark.api.python.PythonException:
Traceback (most recent call last):
File "/.../spark/python/pyspark/worker.py", line 320, in main
process()
File "/.../spark/python/pyspark/worker.py", line 315, in process
serializer.dump_stream(func(split_index, iterator), outfile)
File "/.../spark/python/pyspark/serializers.py", line 274, in dump_stream
batch = _create_batch(series, self._timezone)
File "/.../spark/python/pyspark/serializers.py", line 243, in _create_batch
arrs = [create_array(s, t) for s, t in series]
File "/.../spark/python/pyspark/serializers.py", line 241, in create_array
return pa.Array.from_pandas(s, mask=mask, type=t)
File "array.pxi", line 383, in pyarrow.lib.Array.from_pandas
File "array.pxi", line 177, in pyarrow.lib.array
File "error.pxi", line 77, in pyarrow.lib.check_status
File "error.pxi", line 77, in pyarrow.lib.check_status
ArrowInvalid: Error converting from Python objects to Decimal: Got Python
object of type NoneType but can only handle these types: decimal.Decimal
{code}
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