[jira] [Commented] (ARROW-469) C++: Add option so that resize doesn't decrease the capacity

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15815065#comment-15815065 ] 

Uwe L. Korn commented on ARROW-469:
-----------------------------------

PR: https://github.com/apache/arrow/pull/277

> C++: Add option so that resize doesn't decrease the capacity
> ------------------------------------------------------------
>
>                 Key: ARROW-469
>                 URL: https://issues.apache.org/jira/browse/ARROW-469
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Uwe L. Korn
>            Assignee: Uwe L. Korn
>
> The code I wrote in {{parquet_arrow}} was heavily relying on this fact. As in that case we are ok with having a lot of wastage (as we resize in both directions very often), we should provide the user with a choice.
> I would by default shrink down on a smaller size as this is the thing a user probably expects.



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