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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4146) bug with hive.auto.convert.join.noconditionaltask with outer joins
Date Tue, 12 Mar 2013 06:57:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain updated HIVE-4146:
-----------------------------

    Attachment: hive.4146.1.patch
    
> bug with hive.auto.convert.join.noconditionaltask with outer joins
> ------------------------------------------------------------------
>
>                 Key: HIVE-4146
>                 URL: https://issues.apache.org/jira/browse/HIVE-4146
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.4146.1.patch
>
>
> Consider the following scenario:
> create table s1 as select * from src where key = 0;
> set hive.auto.convert.join.noconditionaltask=false;                                 
     
> SELECT * FROM s1 src1 LEFT OUTER JOIN s1 src2 ON (src1.key = src2.key AND src2.key >
10);
> gives correct results
> 0	val_0	NULL	NULL
> 0	val_0	NULL	NULL
> 0	val_0	NULL	NULL
> whereas it gives no results with hive.auto.convert.join.noconditionaltask set
> to true

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