dwt_uv_topic

sql:

dwt_uv_topic没有分区，记载累计的结果

与dws_uv_detail_daycount表最新分区进行full outer join 就能获得累积的数据

drop table if exists dwt_uv_topic; 
create external table dwt_uv_topic 
( 
    `mid_id` string COMMENT '设备唯一标识', 
    `user_id` string COMMENT '用户标识', 
    `version_code` string COMMENT '程序版本号', 
    `version_name` string COMMENT '程序版本名', 
    `lang` string COMMENT '系统语言', 
    `source` string COMMENT '渠道号', 
    `os` string COMMENT '安卓系统版本', 
    `area` string COMMENT '区域', 
    `model` string COMMENT '手机型号', 
    `brand` string COMMENT '手机品牌', 
    `sdk_version` string COMMENT 'sdkVersion', 
    `gmail` string COMMENT 'gmail', 
    `height_width` string COMMENT '屏幕宽高', 
    `app_time` string COMMENT '客户端日志产生时的时间', 
    `network` string COMMENT '网络模式',
    `lng` string COMMENT '经度', 
    `lat` string COMMENT '纬度', 
    `login_date_first` string comment '首次活跃时间', 
    `login_date_last` string comment '末次活跃时间', 
    `login_day_count` bigint comment '当日活跃次数', 
    `login_count` bigint comment '累积活跃天数' 
)
stored as parquet 
location '/ecdw/dwt/dwt_uv_topic';


-- 插入
insert overwrite table dwt_uv_topic 
select 
    nvl(new.mid_id,old.mid_id), 
    nvl(new.user_id,old.user_id), 
    nvl(new.version_code,old.version_code), 
    nvl(new.version_name,old.version_name), 
    nvl(new.lang,old.lang), nvl(new.source,old.source),
    nvl(new.os,old.os), nvl(new.area,old.area), 
    nvl(new.model,old.model), nvl(new.brand,old.brand), 
    nvl(new.sdk_version,old.sdk_version), 
    nvl(new.gmail,old.gmail), 
    nvl(new.height_width,old.height_width), 
    nvl(new.app_time,old.app_time), 
    nvl(new.network,old.network), 
    nvl(new.lng,old.lng), 
    nvl(new.lat,old.lat), 
    if(old.mid_id is null,'2020-03-12',old.login_date_first), 
    if(new.mid_id is not null,'2020-03-12',old.login_date_last), 
    if(new.mid_id is not null, new.login_count,0), 
    nvl(old.login_count,0)+if(new.login_count>0,1,0) 
from 
( 
select 
    * 
from dwt_uv_topic 
)old 
full outer join 
( 
select 
    * 
from dws_uv_detail_daycount 
where dt='2020-03-12' 
)new 
on old.mid_id=new.mid_id;