Github user anubhav100 commented on the issue:
https://github.com/apache/carbondata/pull/1234
@linqer plus in your script for load command
0: jdbc:hive2://localhost:10000> LOAD DATA INPATH '/nation_null.csv' INTO
TABLE nation4 OPTIONS('DELIMITER'='\u0001');
Error: scala.StringContext$InvalidEscapeException: invalid escape '\u' not
one of [\b, \t, \n, \f, \r, \\, \", \'] at index 0 in "\u0001". Use \\ for
literal \. (state=,code=0)
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