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https://issues.apache.org/jira/browse/ARROW-14284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weston Pace updated ARROW-14284:
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Fix Version/s: 6.0.0
> [C++][Python] Improve error message when trying use SyncScanner when
> requiring async
> ------------------------------------------------------------------------------------
>
> Key: ARROW-14284
> URL: https://issues.apache.org/jira/browse/ARROW-14284
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Joris Van den Bossche
> Assignee: Weston Pace
> Priority: Major
> Labels: pull-request-available
> Fix For: 6.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> See ARROW-14257
> The current error message gives "Asynchronous scanning is not supported by
> SyncScanner"
> Copying the comment of [~westonpace]:
> In Python it is always use_async=True. In R the scanner is hidden from the
> user on dataset writes but the option there is use_async as well. In C++ the
> option is UseAsync in the ScannerBuilder. How about,
> "Writing datasets requires that the input scanner is configured to scan
> asynchronously via the use_async or UseAsync options."
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