[jira] [Assigned] (HIVE-22107) Correlated subquery producing wrong schema

["Vineet Garg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vineet Garg reassigned HIVE-22107:
----------------------------------


> Correlated subquery producing wrong schema
> ------------------------------------------
>
>                 Key: HIVE-22107
>                 URL: https://issues.apache.org/jira/browse/HIVE-22107
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 4.0.0
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>
> *Repro*
> {code:sql}
> create table test(id int, name string,dept string);
> insert into test values(1,'a','it'),(2,'b','eee'),(NULL, 'c', 'cse');
> select distinct 'empno' as eid, a.id from test a where NOT EXISTS (select c.id from test c where a.id=c.id);
> {code}
> {code}
> +-------+--------+
> |  eid  |  a.id  |
> +-------+--------+
> | NULL  | empno  |
> +-------+--------+
> {code}



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