You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2017/10/09 21:42:00 UTC
[jira] [Updated] (HIVE-17726) Using exists may lead to incorrect
results
[ https://issues.apache.org/jira/browse/HIVE-17726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vineet Garg updated HIVE-17726:
-------------------------------
Status: Patch Available (was: Open)
> Using exists may lead to incorrect results
> ------------------------------------------
>
> Key: HIVE-17726
> URL: https://issues.apache.org/jira/browse/HIVE-17726
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Zoltan Haindrich
> Assignee: Vineet Garg
> Attachments: HIVE-17726.1.patch
>
>
> {code}
> drop table if exists tx1;
> create table tx1 (a integer,b integer);
> insert into tx1 values (1, 1),
> (1, 2),
> (1, 3);
> select count(*) as result,3 as expected from tx1 u
> where exists (select * from tx1 v where u.a=v.a and u.b <> v.b);
> select count(*) as result,3 as expected from tx1 u
> where exists (select * from tx1 v where u.a=v.a and u.b <> v.b limit 1);
> {code}
> current results are 6 and 2.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)