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Posted to issues@arrow.apache.org by "Yuhong Guo (JIRA)" <ji...@apache.org> on 2018/10/18 15:44:00 UTC

[jira] [Assigned] (ARROW-3555) [Plasma] Unify plasma client get function using metadata.

     [ https://issues.apache.org/jira/browse/ARROW-3555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuhong Guo reassigned ARROW-3555:
---------------------------------

    Assignee: Yuhong Guo

> [Plasma] Unify plasma client get function using metadata.
> ---------------------------------------------------------
>
>                 Key: ARROW-3555
>                 URL: https://issues.apache.org/jira/browse/ARROW-3555
>             Project: Apache Arrow
>          Issue Type: New Feature
>            Reporter: Yuhong Guo
>            Assignee: Yuhong Guo
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Sometimes, it is very hard for the data consumer to know whether an object is a buffer or other objects. If we use try-catch to catch the pyarrow deserialization exception and then using `plasma_client.get_buffer`, the code is not clean.
> We may leverage the metadata which is not used at all to mark the buffer data. In the client of other language, this would be simple to implement. 



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