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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-15183) Wrong result with NOT IN involving null values
Date Fri, 16 Dec 2016 22:11:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg resolved HIVE-15183.
--------------------------------
    Resolution: Cannot Reproduce

With subquery redesign in HIVE-15192 this is not reproducible anymore.

> Wrong result with NOT IN involving null values
> ----------------------------------------------
>
>                 Key: HIVE-15183
>                 URL: https://issues.apache.org/jira/browse/HIVE-15183
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>              Labels: sub-query
>
>  Reproducer
> {code}
> create table t7(i int, j int);
> create table fixOb(i int, j int);
> insert into t7 values(null, 5);
> insert into t7 values(4, 15);
> insert into fixOb values(-1, 5);
> insert into fixOb values(-1, 15);
> {code}
> Query:
> {code} select * from fixOb where j NOT IN (select i from t7 where t7.j=fixOb.j);  {code}
> Expected Result
> {noformat}
> i  | j  
> ----+----
>  -1 | 15
> {noformat}
> Actual Result
> {noformat} No result {noformat}



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