Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/307#issuecomment-68916077
I'm sorry for late review. I tested various cases. It seems to work
correctly.
BTW, I found another bug, I don't think that your patch causes this
problem. But, you may have interested in this problem.
https://issues.apache.org/jira/browse/TAJO-1283
I'll finish your review by tomorrow.
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