Github user sirpkt commented on the pull request:
https://github.com/apache/tajo/pull/351#issuecomment-70183946
Thank you for the review, @hyunsik.
I'll fixed the wrong description.
Yes, I mean that LinkedList.
It does not keep the copy of all rows but it does keep the reference of all
rows and it prevents from freeing those resources during lead operation I think
(is it right?).
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