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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2016/06/02 10:18:03 UTC
[jira] [Updated] (HIVE-12742) NULL table comparison within CASE
does not work as previous hive versions
[ https://issues.apache.org/jira/browse/HIVE-12742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated HIVE-12742:
-------------------------------------------
Fix Version/s: (was: 2.1.0)
> NULL table comparison within CASE does not work as previous hive versions
> -------------------------------------------------------------------------
>
> Key: HIVE-12742
> URL: https://issues.apache.org/jira/browse/HIVE-12742
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.1
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Fix For: 2.0.0
>
> Attachments: HIVE-12742.01.patch, HIVE-12742.02.patch, HIVE-12742.03.patch
>
>
> drop table test_1;
> create table test_1 (id int, id2 int);
> insert into table test_1 values (123, NULL);
> SELECT cast(CASE WHEN id = id2 THEN FALSE ELSE TRUE END AS BOOLEAN) AS b
> FROM test_1;
> --NULL
> But the output should be true (confirmed with postgres.)
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