2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v2.0
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v1.2
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v2.0
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v1.2
2018-05-19,唐尼,鋼鐵俠,安卓市場,紐約,v1.6
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v1.3
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v2.0
2018-05-19,託尼,鋼鐵俠,360應用,紐約,v2.0
2018-05-19,託尼,鋼鐵俠,360應用,紐約,v1.2
2018-05-19,託尼,鋼鐵俠,安卓市場,紐約,v1.6
2018-05-19,唐尼,鋼鐵俠,360應用,紐約,v1.3
2018-05-19,託尼,鋼鐵俠,360應用,紐約,v2.0


create table t_lag_test(day string,user_id string,app_token string,release_channel string,city string,app_ver_name string)
row format delimited fields terminated by ',';


load data local inpath '/root/hivetest/ver.test' into table t_lag_test;


select
day,user_id,app_token,release_channel,city,ver_pre,app_ver_name
from
(select
day,user_id,app_token,release_channel,city,app_ver_name,
lag(app_ver_name,1,null) over(partition by user_id order by app_ver_name) as ver_pre
from t_lag_test)tmp
where ver_pre is not null and tmp.app_ver_name>ver_pre;