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Posted to jira@arrow.apache.org by "Apache Arrow JIRA Bot (Jira)" <ji...@apache.org> on 2020/08/13 14:43:00 UTC

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

     [ https://issues.apache.org/jira/browse/ARROW-9725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Arrow JIRA Bot reassigned ARROW-9725:
--------------------------------------------

    Assignee: Apache Arrow JIRA Bot  (was: Andy Grove)

> [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: Apache Arrow JIRA Bot
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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