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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/06/12 14:14:00 UTC

[jira] [Assigned] (ARROW-840) [Python] Provide Python API for creating user-defined data types that can survive Arrow IPC

     [ https://issues.apache.org/jira/browse/ARROW-840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney reassigned ARROW-840:
----------------------------------

    Assignee: Antoine Pitrou

> [Python] Provide Python API for creating user-defined data types that can survive Arrow IPC
> -------------------------------------------------------------------------------------------
>
>                 Key: ARROW-840
>                 URL: https://issues.apache.org/jira/browse/ARROW-840
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Antoine Pitrou
>            Priority: Major
>             Fix For: 0.14.0
>
>
> The user will provide:
> * Data type subclass that can indicate the physical storage type
> * "get state" and "set state" functions for serializing custom metadata to bytes
> * An optional function for "boxing" scalar values from the physical array storage
> Internally, this will build on an analogous C++ API for defining user data types



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