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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2017/09/08 03:36:00 UTC

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

Wes McKinney created ARROW-1494:
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             Summary: [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
             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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