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Posted to issues@arrow.apache.org by "Bryan Cutler (Jira)" <ji...@apache.org> on 2020/10/09 23:50:00 UTC
[jira] [Created] (ARROW-10260) [Python] Missing MapType to Pandas
dtype
Bryan Cutler created ARROW-10260:
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Summary: [Python] Missing MapType to Pandas dtype
Key: ARROW-10260
URL: https://issues.apache.org/jira/browse/ARROW-10260
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Bryan Cutler
The Map type conversion to Pandas done in ARROW-10151 forgot to add dtype mapping for {{to_pandas_dtype()}}
{code:java}
In [2]: d = pa.map_(pa.int64(), pa.float64()) In [3]: d.to_pandas_dtype()
---------------------------------------------------------------------------
NotImplementedError Traceback (most recent call last)
<ipython-input-3-08beaa635a3e> in <module>
----> 1 d.to_pandas_dtype()~/miniconda2/envs/pyarrow-test/lib/python3.7/site-packages/pyarrow/types.pxi in pyarrow.lib.DataType.to_pandas_dtype()NotImplementedError: map<int64, double>{code}
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