Guowei Ma created FLINK-21216:
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Summary: StreamPandasConversionTests Fails
Key: FLINK-21216
URL: https://issues.apache.org/jira/browse/FLINK-21216
Project: Flink
Issue Type: Bug
Components: API / Python
Affects Versions: 1.13.0
Reporter: Guowei Ma
[https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=12699&view=logs&j=9cada3cb-c1d3-5621-16da-0f718fb86602&t=8d78fe4f-d658-5c70-12f8-4921589024c3]
=================================== FAILURES
===================================
_______________ StreamPandasConversionTests.test_empty_to_pandas
_______________
self = <pyflink.table.tests.test_pandas_conversion.StreamPandasConversionTests
testMethod=test_empty_to_pandas>
def test_empty_to_pandas(self):
> table = self.t_env.from_pandas(self.pdf, self.data_type)
pyflink/table/tests/test_pandas_conversion.py:144:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
pyflink/table/table_environment.py:1462: in from_pandas
arrow_schema = pa.Schema.from_pandas(pdf, preserve_index=False)
pyarrow/types.pxi:1315: in pyarrow.lib.Schema.from_pandas
???
.tox/py37-cython/lib/python3.7/site-packages/pyarrow/pandas_compat.py:519: in
dataframe_to_types
type_ = pa.lib._ndarray_to_arrow_type(values, type_)
pyarrow/array.pxi:53: in pyarrow.lib._ndarray_to_arrow_type
???
pyarrow/array.pxi:64: in pyarrow.lib._ndarray_to_type
???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> ???
E pyarrow.lib.ArrowTypeError: Did not pass numpy.dtype object
pyarrow/error.pxi:108: ArrowTypeError
_________________ StreamPandasConversionTests.test_from_pandas
_________________
self = <pyflink.table.tests.test_pandas_conversion.StreamPandasConversionTests
testMethod=test_from_pandas>
def test_from_pandas(self):
> table = self.t_env.from_pandas(self.pdf, self.data_type, 5)
pyflink/table/tests/test_pandas_conversion.py:120:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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