Joris Van den Bossche created ARROW-7023:
--------------------------------------------
Summary: [Python] pa.array does not use "from_pandas" semantics
for pd.Index
Key: ARROW-7023
URL: https://issues.apache.org/jira/browse/ARROW-7023
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Joris Van den Bossche
Assignee: Joris Van den Bossche
Fix For: 1.0.0
{code}
In [15]: idx = pd.Index([1, 2, np.nan], dtype=object)
In [16]: pa.array(idx)
Out[16]:
<pyarrow.lib.DoubleArray object at 0x7f2e24300780>
[
1,
2,
nan
]
In [17]: pa.array(idx, from_pandas=True)
Out[17]:
<pyarrow.lib.Int64Array object at 0x7f2e242d3678>
[
1,
2,
null
]
In [18]: pa.array(pd.Series(idx))
Out[18]:
<pyarrow.lib.Int64Array object at 0x7f2e242d3780>
[
1,
2,
null
]
{code}
We should probably handle Series and Index the same in this regard.
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