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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/03/23 13:24:00 UTC
[jira] [Updated] (ARROW-12056) [C++] Create sequencing
AsyncGenerator
[ https://issues.apache.org/jira/browse/ARROW-12056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-12056:
-----------------------------------
Labels: pull-request-available (was: )
> [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
> Time Spent: 10m
> 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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