mysql -u all_user -pall -e "insert into temp_mark.test1 values (1)"           2>&1| grep -v Warning
mysql -u read_user -pread -e "select count(1) from temp_mark.test1" 2>&1 | grep -v Warning
mysql -u write_user -pwrite -e "insert into temp_mark.test1 values(2)"        2>&1    | grep -v Warning