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Posted to issues@arrow.apache.org by "Krisztian Szucs (Jira)" <ji...@apache.org> on 2020/03/16 14:40:00 UTC

[jira] [Assigned] (ARROW-7858) [C++][Python] Support casting an Extension type to its storage type

     [ https://issues.apache.org/jira/browse/ARROW-7858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Szucs reassigned ARROW-7858:
--------------------------------------

    Assignee: Krisztian Szucs

> [C++][Python] Support casting an Extension type to its storage type
> -------------------------------------------------------------------
>
>                 Key: ARROW-7858
>                 URL: https://issues.apache.org/jira/browse/ARROW-7858
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Python
>            Reporter: Joris Van den Bossche
>            Assignee: Krisztian Szucs
>            Priority: Major
>
> Currently, casting an extension type will always fail: "No cast implemented from extension<arrow.py_extension_type> to ...".
> However, for casting, we could fall back to the storage array's casting rules?



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