[FLINK-21216] StreamPandasConversionTests Fails

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.4, 1.12.2, 1.13.0
• Fix Version/s: 1.11.4, 1.12.2, 1.13.0
• Component/s: API / Python
• Labels: pull-request-available test-stability
• Assignee: Huang Xingbo
• Reporter: Guowei Ma
• Created: 31/Jan/21 01:59
• Updated: 28/May/21 08:15
• Resolved: 01/Feb/21 09:17

Description

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:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Issue Links

• links to: GitHub Pull Request #14825