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Posted to issues@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2021/06/22 03:35:00 UTC

[jira] [Created] (ARROW-13139) [C++] ReadaheadGenerator cannot be safely copied/moved

Weston Pace created ARROW-13139:
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             Summary: [C++] ReadaheadGenerator cannot be safely copied/moved
                 Key: ARROW-13139
                 URL: https://issues.apache.org/jira/browse/ARROW-13139
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Weston Pace
             Fix For: 5.0.0


The readahead generator is one of the older generators and it isn't using the newer style of encapsulating all of its state within a state struct & shared_ptr.  As a result, if it is copied or moved, then the result is unpredictable.



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