Github user xiaohui0318 commented on the issue:
https://github.com/apache/carbondata/pull/3032
> Be sure to do all of the following checklist to help us incorporate
> your contribution quickly and easily:
>
> * [x] Any interfaces changed?
NO
> * [x] Any backward compatibility impacted?
NO
> * [x] Document update required?
NO
> * [x] Testing done
NO,only fix style error
> * [x] For large changes, please consider breaking it into sub-tasks
under an umbrella JIRA.
NO
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