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

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22107?focusedWorklogId=328280&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-328280 ]

ASF GitHub Bot logged work on HIVE-22107:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Oct/19 03:05
            Start Date: 15/Oct/19 03:05
    Worklog Time Spent: 10m 
      Work Description: jcamachor commented on pull request #755: HIVE-22107 Correlated subquery producing wrong schema
URL: https://github.com/apache/hive/pull/755
 
 
   
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 328280)
    Time Spent: 20m  (was: 10m)

> 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
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-22107.1.patch, HIVE-22107.2.patch, HIVE-22107.3.patch, HIVE-22107.4.patch, HIVE-22107.5.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> *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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