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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/03 20:47:00 UTC
[jira] [Updated] (HIVE-22107) Correlated subquery producing wrong
schema
[ https://issues.apache.org/jira/browse/HIVE-22107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HIVE-22107:
----------------------------------
Labels: pull-request-available (was: )
> 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
>
>
> *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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