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https://issues.apache.org/jira/browse/ARROW-6300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911402#comment-16911402
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Antoine Pitrou commented on ARROW-6300:
---------------------------------------

Context: S3 multipart uploads must be either completed or aborted:
https://docs.aws.amazon.com/AmazonS3/latest/dev/mpuoverview.html

Aborting can be done implicitly in the destructor but it may be nice to have an 
explicit method call for that (especially to catch any errors).

> [C++] Add io::OutputStream::Abort()
> -----------------------------------
>
>                 Key: ARROW-6300
>                 URL: https://issues.apache.org/jira/browse/ARROW-6300
>             Project: Apache Arrow
>          Issue Type: Wish
>          Components: C++
>            Reporter: Antoine Pitrou
>            Priority: Major
>
> This method would abort the current output stream without trying to flush or 
> commit any pending internal data. This makes sense mostly for buffered 
> streams. For other streams it could simply synonymous to Close().



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