[jira] [Updated] (ARROW-6900) [Python] PyArrow cant serialize pandas IntegerArray

["Joris Van den Bossche (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-6900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joris Van den Bossche updated ARROW-6900:
-----------------------------------------
    Labels: pyarrow-serialization  (was: )

> [Python] PyArrow cant serialize pandas IntegerArray
> ---------------------------------------------------
>
>                 Key: ARROW-6900
>                 URL: https://issues.apache.org/jira/browse/ARROW-6900
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.15.0
>         Environment: python 3.7
>            Reporter: Sayed Mohammad Hossein Torabi
>            Priority: Major
>              Labels: pyarrow-serialization
>
> PyArrow cant serialize pandas `IntegerArray` and return this error below:
> {code:python}
> SerializationCallbackError: pyarrow does not know how to serialize objects of type <class 'pandas.core.arrays.integer.IntegerArray'>.{code}
> To reproduce this bug just run this bunch of code
> {code:python}
> import pandas as pd 
> import pyarrow as pa
> from  pandas.core.arrays.integer import IntegerArray
> int_array = pd.array([1, None, 3], dtype=pd.Int32Dtype())
> pa.default_serialization_context().serialize(int_array).to_buffer().to_pybytes()
> {code}



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