Github user akashrn5 commented on the issue:
https://github.com/apache/carbondata/pull/3044
@SteNicholas i did not get your point correctly, basicaly you are telling
that,
1. column coment after column rename ?
2. whether spark 2.1 supports column rename?
am i right? if not, please can you explain it corectly, so that i can clear
your doubt---
