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https://issues.apache.org/jira/browse/ARROW-12056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-12056.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9779
[https://github.com/apache/arrow/pull/9779]
> [C++] Create sequencing AsyncGenerator
> --------------------------------------
>
> Key: ARROW-12056
> URL: https://issues.apache.org/jira/browse/ARROW-12056
> Project: Apache Arrow
> Issue Type: Sub-task
> Components: C++
> Reporter: Weston Pace
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 3h 50m
> Remaining Estimate: 0h
>
> ARROW-7001 needs a sequencing operator to reorder fragments & scan tasks that
> arrive out of order. This AsyncGenerator would poll source and buffer
> results until the "next" result arrives. For example, given a source of
> 6,2,1,3,4,5 the operator would return 1,2,3,4,5,6 and would need to buffer 2
> items (6 & 2 at the beginning).
> The Next(T t) will be configurable via function.
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