--逗号分隔
beeline -u jdbc:hive2://192.192.192.1:10000 -n us1 -p 123 --verbose=true --outputformat=csv2 -e "select * from t1">>a.csv
--自定义分隔
beeline -u jdbc:hive2://192.192.192.1:10000 -n us1 -p 123 --verbose=true --outputformat=dsv --delimiterForDSV='|' -e "select * from t1">>a.csv