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Posted to issues@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2021/03/23 13:21:00 UTC

[jira] [Created] (ARROW-12056) [C++] Create sequencing operator

Weston Pace created ARROW-12056:
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             Summary: [C++] Create sequencing operator
                 Key: ARROW-12056
                 URL: https://issues.apache.org/jira/browse/ARROW-12056
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: C++
            Reporter: Weston Pace


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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