Re: [Discussion] Make 'no_sort' as default sort_scope and keep sort_columns as 'empty' by default

Posted by manishgupta88 on Dec 17, 2018; 9:11am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Discussion-Make-no-sort-as-default-sort-scope-and-keep-sort-columns-as-empty-by-default-tp70233p70745.html

Hi Ajantha

+1 for the proposal.

1. I agree with Liang to remove empty SORT_COLUMNS option. This will give
more calrity to the user about the property behavior. If configured we use
LOCAL_SORT else we use NO_SORT. Internal behavior you can keep anything as
per the implementation, it need nnot be exposed to the user.
2. For David's Suggestion, I feel it is a very high level statement to
support altering of SORT_COLUMNS. This will impact your compaction operation
also whereIn we will have to decide the what sort_columns to consider. I
feel as part of this proposal we should not consider altering sort_columns.
We need to think well on this and come up with a separate design.

Regards
Manish Gupta



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