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From "Hari Sankar Sivarama Subramaniyan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-11172) Vectorization wrong results for aggregate query with where clause without group by
Date Thu, 02 Jul 2015 19:41:05 GMT

     [ https://issues.apache.org/jira/browse/HIVE-11172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hari Sankar Sivarama Subramaniyan reassigned HIVE-11172:
--------------------------------------------------------

    Assignee: Hari Sankar Sivarama Subramaniyan

> Vectorization wrong results for aggregate query with where clause without group by
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-11172
>                 URL: https://issues.apache.org/jira/browse/HIVE-11172
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 0.14.0
>            Reporter: Yi Zhang
>            Assignee: Hari Sankar Sivarama Subramaniyan
>            Priority: Critical
>
> create table testvec(id int, dt int, greg_dt string) stored as orc;
> insert into table testvec
> values 
> (1,20150330, '2015-03-30'),
> (2,20150301, '2015-03-01'),
> (3,20150502, '2015-05-02'),
> (4,20150401, '2015-04-01'),
> (5,20150313, '2015-03-13'),
> (6,20150314, '2015-03-14'),
> (7,20150404, '2015-04-04');
> hive> select dt, greg_dt from testvec where id=5;
> OK
> 20150313	2015-03-13
> Time taken: 4.435 seconds, Fetched: 1 row(s)
> hive> set hive.vectorized.execution.enabled=true;
> hive> set hive.map.aggr;
> hive.map.aggr=true
> hive> select max(dt), max(greg_dt) from testvec where id=5;
> OK
> 20150313	2015-03-30
> hive> set hive.vectorized.execution.enabled=false;
> hive>  select max(dt), max(greg_dt) from testvec where id=5;
> OK
> 20150313	2015-03-13



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