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

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

    Description: 
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





  was:
Consider the following scenario:

create table s2 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





    
> 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
>
> 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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