[jira] [Resolved] (CALCITE-5597) SELECT DISTINCT query with ORDER BY column will get error result

[Zhen Chen (Jira)]

     [ 
https://issues.apache.org/jira/browse/CALCITE-5597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Zhen Chen resolved CALCITE-5597.
--------------------------------
    Fix Version/s: 1.42.0
         Assignee: Zhen Chen
       Resolution: Fixed

Fixed in 
[{{43e7fbf}}|https://github.com/apache/calcite/commit/43e7fbf0eec99955408c91ef064d18a827ac2caf]

Thanks for review [~mbudiu] 

> SELECT DISTINCT query with ORDER BY column will get error result
> ----------------------------------------------------------------
>
>                 Key: CALCITE-5597
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5597
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Jiajun Xie
>            Assignee: Zhen Chen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.42.0
>
>
> Here is unit test
> {code:java}
> @Test void testDistinctOrderByRand() {
>   final String sql = "select distinct deptno from emp order by rand()";
>   sql(sql).ok();
> } {code}
> We will get error logical plan
> {code:java}
> LogicalProject(DEPTNO=[$0])
>   LogicalSort(sort0=[$1], dir0=[ASC])
>     LogicalAggregate(group=[{0, 1}]) //rand() in group, result will be error
>       LogicalProject(DEPTNO=[$7], EXPR$1=[RAND()])
>         LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> {code}



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