Github user kumarvishal09 commented on the issue:
https://github.com/apache/carbondata/pull/2252
@xuchuanyin
1. still use 'long_string_columns' instead of varchar datatype to make it
consistent it spark/hive
Are u facing any problem with varchar??
2. use an integer (previously short) to store the length of bytes content.
Only for text data type??---
