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Posted to issues@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/08/13 14:41:00 UTC

[jira] [Created] (ARROW-9725) [Rust] [DataFusion] LimitExec and SortExec should use MergeExec

Andy Grove created ARROW-9725:
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             Summary: [Rust] [DataFusion] LimitExec and SortExec should use MergeExec
                 Key: ARROW-9725
                 URL: https://issues.apache.org/jira/browse/ARROW-9725
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust, Rust - DataFusion
            Reporter: Andy Grove
            Assignee: Andy Grove
             Fix For: 2.0.0


Both LimitExec and SortExec need to collapse inputs down to a single partition and they both contain similar code for executing their inputs on threads and combining the results. This is exactly what the MergeExec operator does, so they should just use that instead.



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