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From "Jinfeng Ni (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-4825) Wrong data with UNION ALL when querying different sub-directories under the same table
Date Fri, 05 Aug 2016 20:32:20 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jinfeng Ni resolved DRILL-4825.
-------------------------------
    Resolution: Fixed

> Wrong data with UNION ALL when querying different sub-directories under the same table
> --------------------------------------------------------------------------------------
>
>                 Key: DRILL-4825
>                 URL: https://issues.apache.org/jira/browse/DRILL-4825
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.6.0, 1.7.0, 1.8.0
>            Reporter: Rahul Challapalli
>            Assignee: Jinfeng Ni
>            Priority: Critical
>             Fix For: 1.8.0
>
>         Attachments: l_3level.tgz
>
>
> git.commit.id.abbrev=0700c6b
> The below query returns wrongs results 
> {code}
> select count (*) from (
>   select l_orderkey, dir0 from l_3level t1 where t1.dir0 = 1 and t1.dir1='one' and t1.dir2
= '2015-7-12'
>   union all 
>   select l_orderkey, dir0 from l_3level t2 where t2.dir0 = 1 and t2.dir1='two' and t2.dir2
= '2015-8-12') data;
> +---------+
> | EXPR$0  |
> +---------+
> | 20      |
> +---------+
> {code}
> The wrong result is evident from the output of the below queries
> {code}
> 0: jdbc:drill:zk=10.10.100.190:5181> select count (*) from (select l_orderkey, dir0
from l_3level t2 where t2.dir0 = 1 and t2.dir1='two' and t2.dir2 = '2015-8-12');
> +---------+
> | EXPR$0  |
> +---------+
> | 30      |
> +---------+
> 1 row selected (0.258 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> select count (*) from (select l_orderkey, dir0
from l_3level t2 where t2.dir0 = 1 and t2.dir1='one' and t2.dir2 = '2015-7-12');
> +---------+
> | EXPR$0  |
> +---------+
> | 10      |
> +---------+
> {code}
> I attached the data set. Let me know if you need anything more



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