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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/12/15 16:53:00 UTC

[jira] [Commented] (ARROW-15119) [C++] Some filesystems may allow reading directories

    [ https://issues.apache.org/jira/browse/ARROW-15119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17460094#comment-17460094 ] 

Antoine Pitrou commented on ARROW-15119:
----------------------------------------

This sounds fine to me as long as it's an optional deviation in the generic tests.

> [C++] Some filesystems may allow reading directories
> ----------------------------------------------------
>
>                 Key: ARROW-15119
>                 URL: https://issues.apache.org/jira/browse/ARROW-15119
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Carlos O'Ryan
>            Priority: Major
>
> The generic filesystem tests assert that reading a directory should fail.  If directories are implemented as described in ARROW-15114 this would be expensive to implement (at least in the near future), as it would require two roundtrips to the service to fetch the object metadata.
> I would rather change the generic tests to allow reading directories, and if we find a cheaper way to fix this later we can restore the tests.



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