I have replied this question in another topic session as below :
First, please check this doc: http://carbondata.apache.org/
useful-tips-on-carbondata.html, see if can help you to understand
CarbonData's index usage.
Like you mentioned that 1.2 will introduce sort columns feature to help
users
hi community,
since we already have many rmdb sqls scripts,we don't want to change them too
much when migrating to carbon.
suppose we already have sql script like:
"create table (c1,c2,...c7")",
If we want to change column order to shift most often used column ahead when
query data,i
