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Posted to issues@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2021/07/08 04:18:00 UTC

[jira] [Created] (ARROW-13287) [C++] [Dataset] FileSystemDataset::Write should use an async scan

Weston Pace created ARROW-13287:
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             Summary: [C++] [Dataset] FileSystemDataset::Write should use an async scan
                 Key: ARROW-13287
                 URL: https://issues.apache.org/jira/browse/ARROW-13287
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Weston Pace
            Assignee: Weston Pace


I was testing pulling a dataset from S3 and saving it to a local (possibly re partitioned) copy.  Ideally I would do this with an async scan but it fails with "This scanner does not support the legacy Scan() method" because FileSystemDataset::Write is still using Scan.



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