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https://issues.apache.org/jira/browse/ARROW-13417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weston Pace resolved ARROW-13417.
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Resolution: Fixed
Issue resolved by pull request 10758
[https://github.com/apache/arrow/pull/10758]
> [C++] The merged generator can sometimes pull from source sync-reentrant
> ------------------------------------------------------------------------
>
> Key: ARROW-13417
> URL: https://issues.apache.org/jira/browse/ARROW-13417
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Weston Pace
> Assignee: Weston Pace
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Async generators make no promises about whether or not they are synchronously
> reentrant and they should never be pulled in a synchronously reentrant
> fashion. The merged generator is breaking this rule.
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