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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2017/09/08 15:05:00 UTC

[jira] [Resolved] (ARROW-1494) [C++] Document that shared_ptr returned by RecordBatch::column needs to be retained

     [ https://issues.apache.org/jira/browse/ARROW-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-1494.
---------------------------------
    Resolution: Fixed

Issue resolved by pull request 1065
[https://github.com/apache/arrow/pull/1065]

> [C++] Document that shared_ptr returned by RecordBatch::column needs to be retained
> -----------------------------------------------------------------------------------
>
>                 Key: ARROW-1494
>                 URL: https://issues.apache.org/jira/browse/ARROW-1494
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>             Fix For: 0.7.0
>
>
> I ran into an issue where a now-temporary column was being deferenced, causing a segfault. In older versions of Arrow, the RecordBatch internally retains boxed arrays. We might separately consider returning to this internal data model even though it results in worse IPC performance in some cases. 



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