Github user dongjoon-hyun commented on the pull request:
https://github.com/apache/tajo/pull/543#issuecomment-94273921
@jihoonson , up to my knowledge, sorting is based on the result of
selection by the SQL definition. In other words, sorting stage is processed
after producing the table. So, I added `normalizeSort` function that look the
schema part up first and handle the other cases in pre-defined `normalizeSort`.
I thought it is general. Could you elaborate what you mean? I'm not sure what
you mean by `general rule`.
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