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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4365) wrong result in left semi join
Date Fri, 19 Apr 2013 23:33:16 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis updated HIVE-4365:
------------------------

    Status: Patch Available  (was: Open)
    
> wrong result in left semi join
> ------------------------------
>
>                 Key: HIVE-4365
>                 URL: https://issues.apache.org/jira/browse/HIVE-4365
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.10.0, 0.9.0
>            Reporter: ransom.hezhiqiang
>            Assignee: Navis
>         Attachments: HIVE-4365.D10341.1.patch, HIVE-4365.D10341.2.patch
>
>
> wrong result in left semi join while hive.optimize.ppd=true
> for example:
> 1、create table
>    create table t1(c1 int,c2 int, c3 int, c4 int, c5 double,c6 int,c7 string)   row format
DELIMITED FIELDS TERMINATED BY '|';
>    create table t2(c1 int) ;
> 2、load data
> load data local inpath '/home/test/t1.txt' OVERWRITE into table t1;
> load data local inpath '/home/test/t2.txt' OVERWRITE into table t2;
> t1 data:
> 1|3|10003|52|781.96|555|201203
> 1|3|10003|39|782.96|555|201203
> 1|3|10003|87|783.96|555|201203
> 2|5|10004|24|789.96|555|201203
> 2|5|10004|58|788.96|555|201203
> t2 data:
> 555
> 3、excute Query
> select t1.c1,t1.c2,t1.c3,t1.c4,t1.c5,t1.c6,t1.c7  from t1 left semi join t2 on t1.c6
= t2.c1 and  t1.c1 =  '1' and t1.c7 = '201203' ;   
> can got result.
> select t1.c1,t1.c2,t1.c3,t1.c4,t1.c5,t1.c6,t1.c7  from t1 left semi join t2 on t1.c6
= t2.c1 where t1.c1 =  '1' and t1.c7 = '201203' ;   
> can't got result.

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