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https://issues.apache.org/jira/browse/ARROW-12392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-12392.
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Fix Version/s: 5.0.0
Resolution: Fixed
Issue resolved by pull request 10061
[https://github.com/apache/arrow/pull/10061]
> [C++] Restore asynchronous streaming CSV reader
> -----------------------------------------------
>
> Key: ARROW-12392
> URL: https://issues.apache.org/jira/browse/ARROW-12392
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Weston Pace
> Assignee: Weston Pace
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> In order to support the AsyncScanner we need the asynchronous streaming CSV
> reader back (added in ARROW-11887 but reverted later). However, it will
> either need to be implemented as a mirror API (so the sync and async
> implementations are side-by-side) or the async-API must be wrapped with
> RunInSerialExecutor when called synchronously.
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