Re: About ColumnGroup feature

Posted by David CaiQiang on Jun 13, 2017; 1:50am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/About-ColumnGroup-feature-tp14436p14729.html

+1 for A

As I known, so far ColumnGroup feature can't improve performance very well, it became a useless feature nearly. If necessary, we need redesign this feature to keep code clean and tune it well to improve performance.