Github user dongjoon-hyun commented on the pull request:
https://github.com/apache/tajo/pull/543#issuecomment-94264360
Hi, @babokim . I used the following sequences for easy testing.
```
create table t(a int);
insert overwrite into t select 1;
select t2.a from t t1, t t2, t t3 where t1.a=t2.a and t1.a=t3.a order by a;
```
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