Marco Neumann created ARROW-2554:
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Summary: pa.array type inference bug when using NS-timestamp
Key: ARROW-2554
URL: https://issues.apache.org/jira/browse/ARROW-2554
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 0.9.0
Reporter: Marco Neumann
The following fails:
{noformat}
import pandas as pd
import pyarrow as pa
pa.array([pd.Timestamp('now').to_datetime64()])
{noformat}
with {{ArrowNotImplementedError: Cannot convert NumPy datetime64 objects with
differing unit}}, but when you provide the correct type information directly,
it works:
{noformat}
import pandas as pd
import pyarrow as pa
pa.array([pd.Timestamp('now').to_datetime64()], type=pa.timestamp('ns'))
{noformat}
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