[jira] [Assigned] (DRILL-5171) TestSort unit test tests the external sort, not the in-memory SortBatch

["Paul Rogers (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-5171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Rogers reassigned DRILL-5171:
----------------------------------

    Assignee: Paul Rogers

> TestSort unit test tests the external sort, not the in-memory SortBatch
> -----------------------------------------------------------------------
>
>                 Key: DRILL-5171
>                 URL: https://issues.apache.org/jira/browse/DRILL-5171
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.8.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>
> Drill provides two sort operators: an in-memory {{SortBatch}} and a spillable {{ExternalSortBatch}}. The external sort is adaptive: it sorts in memory when it can, and spills when necessary. Perhaps for this reason, the in-memory sort appears to be deprecated (but is not marked as such.)
> The in-memory sort has associated test case: {{TestSort}} and {{TestSimpleSort}}. When run, {{TestSort}} actually uses the external sort. {{TestSimpleSort}} has a single test case which is disabled.
> The result is that no tests exist for the in-memory sort. That operator should be marked as deprecated, or the test cases adjusted to actually exercise the in-memory sort operator.



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