[jira] [Commented] (CALCITE-4333) The Sort rel should be decorrelated even though it has fetch or limit when its parent is not a Correlate

["Julian Hyde (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-4333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213471#comment-17213471 ] 

Julian Hyde commented on CALCITE-4333:
--------------------------------------

Can you please adjust your description and explain what is happening and what you think should happen?

> The Sort rel should be decorrelated even though it has fetch or limit when its parent is not a Correlate
> --------------------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-4333
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4333
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.26.0
>            Reporter: Danny Chen
>            Assignee: Danny Chen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.27.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Check this test in SqlToRelConverterTest:
> {code:java}
> @Test void testSortLimitWithCorrelateInput() {
>     final String sql = "" +
>         "SELECT deptno, ename\n" +
>         "    FROM\n" +
>         "        (SELECT DISTINCT deptno FROM emp) t1,\n" +
>         "          LATERAL (\n" +
>         "            SELECT ename, sal\n" +
>         "            FROM emp\n" +
>         "            WHERE deptno = t1.deptno)\n" +
>         "    ORDER BY ename DESC\n" +
>         "    LIMIT 3";
>     sql(sql).ok();
>   }
> {code}



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