Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/526#issuecomment-93954054
Thanks @hyunsik. I've changed the function name and removed
```QueryContextUtil``` according to your comment.
Regarding on refactoring bind() function, I think that it would be better
to work in another jira. For this issue, we first should decide what
information are required to be passed to EvalNode. I booked another jira
(https://issues.apache.org/jira/browse/TAJO-1566).
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