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https://issues.apache.org/jira/browse/ARROW-4111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661134#comment-17661134
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Rok Mihevc commented on ARROW-4111:
-----------------------------------
This issue has been migrated to [issue
#20702|https://github.com/apache/arrow/issues/20702] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [Python] Create time types from Python sequences of integers
> ------------------------------------------------------------
>
> Key: ARROW-4111
> URL: https://issues.apache.org/jira/browse/ARROW-4111
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: beginner
> Fix For: 0.15.0
>
>
> This works for dates, but not times:
> {code}
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> traceback
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> def test_to_pandas_deduplicate_date_time():
> nunique = 100
> repeats = 10
>
> unique_values = list(range(nunique))
>
> cases = [
> # array type, to_pandas options
> ('date32', {'date_as_object': True}),
> ('date64', {'date_as_object': True}),
> ('time32[ms]', {}),
> ('time64[us]', {})
> ]
>
> for array_type, pandas_options in cases:
> > arr = pa.array(unique_values * repeats, type=array_type)
> pyarrow/tests/test_convert_pandas.py:2392:
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> pyarrow/array.pxi:175: in pyarrow.lib.array
> return _sequence_to_array(obj, mask, size, type, pool, from_pandas)
> pyarrow/array.pxi:36: in pyarrow.lib._sequence_to_array
> check_status(ConvertPySequence(sequence, mask, options, &out))
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> > raise ArrowInvalid(message)
> E pyarrow.lib.ArrowInvalid: ../src/arrow/python/python_to_arrow.cc:1012 :
> ../src/arrow/python/iterators.h:70 : Could not convert 0 with type int:
> converting to time32
> {code}
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