[jira] [Assigned] (ARROW-11990) [C++][Compute] Use Status/Result return consistently to indicate errors

["Yibo Cai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-11990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yibo Cai reassigned ARROW-11990:
--------------------------------

    Assignee: Yibo Cai

> [C++][Compute] Use Status/Result return consistently to indicate errors
> -----------------------------------------------------------------------
>
>                 Key: ARROW-11990
>                 URL: https://issues.apache.org/jira/browse/ARROW-11990
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 1.0.0
>            Reporter: Ben Kietzman
>            Assignee: Yibo Cai
>            Priority: Major
>
> Discussion on ML: https://lists.apache.org/thread.html/r7c369390dd0b99edb1e4529920e06e62a1f65802bcdfb34317436fac%40%3Cdev.arrow.apache.org%3E
> Wherever there is not a motivating performance reason for error
> propagation using {{KernelContext::{SetStatus, status}}} remove this in favor of the error pattern used in the rest of the library: returning a Status or (preferably) Result. This will avoid the added cognitive overhead and boilerplate code of interfacing between the different strategies.
> For example, refactor KernelInit from {{unique_ptr<KernelState>(KernelContext*, KernelInitArgs)}} to {{Result<unique_ptr<KernelState>>(ExecContext*, KernelInitiArgs)}}



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