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https://issues.apache.org/jira/browse/DRILL-4825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Suresh Ollala updated DRILL-4825:
---------------------------------
Reviewer: Rahul Challapalli
> 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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