数仓搭建-DWT层
# 数仓搭建 - DWT 层
# 会员主题宽表
建表语句
drop table if exists dwt_user_topic;
create external table dwt_user_topic
(
user_id string comment '用户id',
login_date_first string comment '首次登录时间',
login_date_last string comment '末次登录时间',
login_count bigint comment '累积登录天数',
login_last_30d_count bigint comment '最近30日登录天数',
order_date_first string comment '首次下单时间',
order_date_last string comment '末次下单时间',
order_count bigint comment '累积下单次数',
order_amount decimal(16,2) comment '累积下单金额',
order_last_30d_count bigint comment '最近30日下单次数',
order_last_30d_amount bigint comment '最近30日下单金额',
payment_date_first string comment '首次支付时间',
payment_date_last string comment '末次支付时间',
payment_count decimal(16,2) comment '累积支付次数',
payment_amount decimal(16,2) comment '累积支付金额',
payment_last_30d_count decimal(16,2) comment '最近30日支付次数',
payment_last_30d_amount decimal(16,2) comment '最近30日支付金额'
)COMMENT '用户主题宽表'
stored as parquet
location '/warehouse/gmall/dwt/dwt_user_topic/'
tblproperties ("parquet.compression"="lzo");
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数据装载
insert overwrite table dwt_user_topic
select
nvl(new.user_id,old.user_id),
if(old.login_date_first is null and new.user_id is not null,'2020-03-10',old.login_date_first),
if(new.user_id is not null,'2020-03-10',old.login_date_last),
nvl(old.login_count,0)+if(new.user_id is not null,1,0),
nvl(new.login_last_30d_count,0),
if(old.order_date_first is null and new.order_count>0,'2020-03-10',old.order_date_first),
if(new.order_count>0,'2020-03-10',old.order_date_last),
nvl(old.order_count,0)+nvl(new.order_count,0),
nvl(old.order_amount,0)+nvl(new.order_amount,0),
nvl(new.order_last_30d_count,0),
nvl(new.order_last_30d_amount,0),
if(old.payment_date_first is null and new.payment_count>0,'2020-03-10',old.payment_date_first),
if(new.payment_count>0,'2020-03-10',old.payment_date_last),
nvl(old.payment_count,0)+nvl(new.payment_count,0),
nvl(old.payment_amount,0)+nvl(new.payment_amount,0),
nvl(new.payment_last_30d_count,0),
nvl(new.payment_last_30d_amount,0)
from
dwt_user_topic old
full outer join
(
select
user_id,
sum(if(dt='2020-03-10',order_count,0)) order_count, -- 用户当天的支付情况
sum(if(dt='2020-03-10',order_amount,0)) order_amount,
sum(if(dt='2020-03-10',payment_count,0)) payment_count,
sum(if(dt='2020-03-10',payment_amount,0)) payment_amount,
sum(if(login_count>0,1,0)) login_last_30d_count, -- 统计最近30天的登陆总次数
sum(order_count) order_last_30d_count,
sum(order_amount) order_last_30d_amount,
sum(payment_count) payment_last_30d_count,
sum(payment_amount) payment_last_30d_amount
from dws_user_action_daycount
where dt>=date_add( '2020-03-10',-29)
group by user_id
)new
on old.user_id=new.user_id
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# 设备主题宽表
建表语句
drop table if exists dwt_uv_topic;
create external table dwt_uv_topic
(
`mid_id` string COMMENT '设备唯一标识',
`model` string COMMENT '手机型号',
`brand` string COMMENT '手机品牌',
`login_date_first` string comment '首次活跃时间',
`login_date_last` string comment '末次活跃时间',
`login_count` bigint comment '累积活跃天数'
)
stored as parquet
location '/warehouse/gmall/dwt/dwt_uv_topic';
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数据装载
insert overwrite table dwt_uv_topic
select
nvl(new.mid_id,old.mid_id),
nvl(new.model,old.model),
nvl(new.brand,old.brand),
nvl(old.login_date_first,'2020-03-10'),
if(new.mid_id is not null,'2020-03-10',old.login_date_last),
nvl(old.login_count,0)+if(new.mid_id is not null,1,0)
from
(
select
*
from dwt_uv_topic
)old
full outer join
(
select
*
from dws_uv_detail_daycount
where dt='2020-03-10'
)new
on old.mid_id=new.mid_id;
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# 商品主题宽表
建表语句
drop table if exists dwt_sku_topic;
create external table dwt_sku_topic
(
sku_id string comment 'sku_id',
spu_id string comment 'spu_id',
order_last_30d_count bigint comment '最近30日被下单次数',
order_last_30d_num bigint comment '最近30日被下单件数',
order_last_30d_amount decimal(16,2) comment '最近30日被下单金额',
order_count bigint comment '累积被下单次数',
order_num bigint comment '累积被下单件数',
order_amount decimal(16,2) comment '累积被下单金额',
payment_last_30d_count bigint comment '最近30日被支付次数',
payment_last_30d_num bigint comment '最近30日被支付件数',
payment_last_30d_amount decimal(16,2) comment '最近30日被支付金额',
payment_count bigint comment '累积被支付次数',
payment_num bigint comment '累积被支付件数',
payment_amount decimal(16,2) comment '累积被支付金额',
refund_last_30d_count bigint comment '最近三十日退款次数',
refund_last_30d_num bigint comment '最近三十日退款件数',
refund_last_30d_amount decimal(10,2) comment '最近三十日退款金额',
refund_count bigint comment '累积退款次数',
refund_num bigint comment '累积退款件数',
refund_amount decimal(10,2) comment '累积退款金额',
cart_last_30d_count bigint comment '最近30日被加入购物车次数',
cart_count bigint comment '累积被加入购物车次数',
favor_last_30d_count bigint comment '最近30日被收藏次数',
favor_count bigint comment '累积被收藏次数',
appraise_last_30d_good_count bigint comment '最近30日好评数',
appraise_last_30d_mid_count bigint comment '最近30日中评数',
appraise_last_30d_bad_count bigint comment '最近30日差评数',
appraise_last_30d_default_count bigint comment '最近30日默认评价数',
appraise_good_count bigint comment '累积好评数',
appraise_mid_count bigint comment '累积中评数',
appraise_bad_count bigint comment '累积差评数',
appraise_default_count bigint comment '累积默认评价数'
)COMMENT '商品主题宽表'
stored as parquet
location '/warehouse/gmall/dwt/dwt_sku_topic/'
tblproperties ("parquet.compression"="lzo");
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数据装载
insert overwrite table dwt_sku_topic
select
nvl(new.sku_id,old.sku_id),
sku_info.spu_id,
nvl(new.order_count30,0),
nvl(new.order_num30,0),
nvl(new.order_amount30,0),
nvl(old.order_count,0) + nvl(new.order_count,0),
nvl(old.order_num,0) + nvl(new.order_num,0),
nvl(old.order_amount,0) + nvl(new.order_amount,0),
nvl(new.payment_count30,0),
nvl(new.payment_num30,0),
nvl(new.payment_amount30,0),
nvl(old.payment_count,0) + nvl(new.payment_count,0),
nvl(old.payment_num,0) + nvl(new.payment_count,0),
nvl(old.payment_amount,0) + nvl(new.payment_count,0),
nvl(new.refund_count30,0),
nvl(new.refund_num30,0),
nvl(new.refund_amount30,0),
nvl(old.refund_count,0) + nvl(new.refund_count,0),
nvl(old.refund_num,0) + nvl(new.refund_num,0),
nvl(old.refund_amount,0) + nvl(new.refund_amount,0),
nvl(new.cart_count30,0),
nvl(old.cart_count,0) + nvl(new.cart_count,0),
nvl(new.favor_count30,0),
nvl(old.favor_count,0) + nvl(new.favor_count,0),
nvl(new.appraise_good_count30,0),
nvl(new.appraise_mid_count30,0),
nvl(new.appraise_bad_count30,0),
nvl(new.appraise_default_count30,0) ,
nvl(old.appraise_good_count,0) + nvl(new.appraise_good_count,0),
nvl(old.appraise_mid_count,0) + nvl(new.appraise_mid_count,0),
nvl(old.appraise_bad_count,0) + nvl(new.appraise_bad_count,0),
nvl(old.appraise_default_count,0) + nvl(new.appraise_default_count,0)
from
(
select
sku_id,
spu_id,
order_last_30d_count,
order_last_30d_num,
order_last_30d_amount,
order_count,
order_num,
order_amount ,
payment_last_30d_count,
payment_last_30d_num,
payment_last_30d_amount,
payment_count,
payment_num,
payment_amount,
refund_last_30d_count,
refund_last_30d_num,
refund_last_30d_amount,
refund_count,
refund_num,
refund_amount,
cart_last_30d_count,
cart_count,
favor_last_30d_count,
favor_count,
appraise_last_30d_good_count,
appraise_last_30d_mid_count,
appraise_last_30d_bad_count,
appraise_last_30d_default_count,
appraise_good_count,
appraise_mid_count,
appraise_bad_count,
appraise_default_count
from dwt_sku_topic
)old
full outer join
(
select
sku_id,
sum(if(dt='2020-03-10', order_count,0 )) order_count,
sum(if(dt='2020-03-10',order_num ,0 )) order_num,
sum(if(dt='2020-03-10',order_amount,0 )) order_amount ,
sum(if(dt='2020-03-10',payment_count,0 )) payment_count,
sum(if(dt='2020-03-10',payment_num,0 )) payment_num,
sum(if(dt='2020-03-10',payment_amount,0 )) payment_amount,
sum(if(dt='2020-03-10',refund_count,0 )) refund_count,
sum(if(dt='2020-03-10',refund_num,0 )) refund_num,
sum(if(dt='2020-03-10',refund_amount,0 )) refund_amount,
sum(if(dt='2020-03-10',cart_count,0 )) cart_count,
sum(if(dt='2020-03-10',favor_count,0 )) favor_count,
sum(if(dt='2020-03-10',appraise_good_count,0 )) appraise_good_count,
sum(if(dt='2020-03-10',appraise_mid_count,0 ) ) appraise_mid_count ,
sum(if(dt='2020-03-10',appraise_bad_count,0 )) appraise_bad_count,
sum(if(dt='2020-03-10',appraise_default_count,0 )) appraise_default_count,
sum(order_count) order_count30 ,
sum(order_num) order_num30,
sum(order_amount) order_amount30,
sum(payment_count) payment_count30,
sum(payment_num) payment_num30,
sum(payment_amount) payment_amount30,
sum(refund_count) refund_count30,
sum(refund_num) refund_num30,
sum(refund_amount) refund_amount30,
sum(cart_count) cart_count30,
sum(favor_count) favor_count30,
sum(appraise_good_count) appraise_good_count30,
sum(appraise_mid_count) appraise_mid_count30,
sum(appraise_bad_count) appraise_bad_count30,
sum(appraise_default_count) appraise_default_count30
from dws_sku_action_daycount
where dt >= date_add ('2020-03-10', -29)
group by sku_id
)new
on new.sku_id = old.sku_id
left join
(select * from dwd_dim_sku_info where dt='2020-03-10') sku_info
on nvl(new.sku_id,old.sku_id)= sku_info.id;
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# 活动主题宽表
建表语句
drop table if exists dwt_activity_topic;
create external table dwt_activity_topic(
`id` string COMMENT '活动id',
`activity_name` string COMMENT '活动名称',
`order_day_count` bigint COMMENT '当日日下单次数',
`payment_day_count` bigint COMMENT '当日支付次数',
`order_count` bigint COMMENT '累积下单次数',
`payment_count` bigint COMMENT '累积支付次数'
) COMMENT '活动主题宽表'
row format delimited fields terminated by '\t'
location '/warehouse/gmall/dwt/dwt_activity_topic/'
tblproperties ("parquet.compression"="lzo");
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数据装载
insert overwrite table dwt_activity_topic
select
nvl(new.id,old.id),
nvl(new.activity_name,old.activity_name),
nvl(new.order_count,0),
nvl(new.payment_count,0),
nvl(old.order_count,0)+nvl(new.order_count,0),
nvl(old.payment_count,0)+nvl(new.payment_count,0)
from
(
select
*
from dwt_activity_topic
)old
full outer join
(
select
id,
activity_name,
order_count,
payment_count
from dws_activity_info_daycount
where dt='2020-03-10'
)new
on old.id=new.id;
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# 地区主题宽表
建表语句
drop table if exists dwt_area_topic;
create external table dwt_area_topic(
`id` bigint COMMENT '编号',
`province_name` string COMMENT '省份名称',
`area_code` string COMMENT '地区编码',
`iso_code` string COMMENT 'iso编码',
`region_id` string COMMENT '地区ID',
`region_name` string COMMENT '地区名称',
`order_day_count` bigint COMMENT '当天下单次数',
`order_day_amount` decimal(20,2) COMMENT '当天下单金额',
`order_last_30d_count` bigint COMMENT '最近30天下单次数',
`order_last_30d_amount` decimal(20,2) COMMENT '最近30天下单金额',
`payment_day_count` bigint COMMENT '当天支付次数',
`payment_day_amount` decimal(20,2) COMMENT '当天支付金额',
`payment_last_30d_count` bigint COMMENT '最近30天支付次数',
`payment_last_30d_amount` decimal(20,2) COMMENT '最近30天支付金额'
) COMMENT '地区主题宽表'
row format delimited fields terminated by '\t'
location '/warehouse/gmall/dwt/dwt_area_topic/'
tblproperties ("parquet.compression"="lzo");
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数据装载
insert overwrite table dwt_area_topic
select
nvl(old.id,new.id),
nvl(old.province_name,new.province_name),
nvl(old.area_code,new.area_code),
nvl(old.iso_code,new.iso_code),
nvl(old.region_id,new.region_id),
nvl(old.region_name,new.region_name),
nvl(new.order_day_count,0),
nvl(new.order_day_amount,0.0),
nvl(new.order_last_30d_count,0),
nvl(new.order_last_30d_amount,0.0),
nvl(new.payment_day_count,0),
nvl(new.payment_day_amount,0.0),
nvl(new.payment_last_30d_count,0),
nvl(new.payment_last_30d_amount,0.0)
from
(
select
*
from dwt_area_topic
)old
full outer join
(
select
id,
province_name,
area_code,
iso_code,
region_id,
region_name,
sum(if(dt='2020-05-30',order_count,0)) order_day_count,
sum(if(dt='2020-05-30',order_amount,0.0)) order_day_amount,
sum(if(dt='2020-05-30',payment_count,0)) payment_day_count,
sum(if(dt='2020-05-30',payment_amount,0.0)) payment_day_amount,
sum(order_count) order_last_30d_count,
sum(order_amount) order_last_30d_amount,
sum(payment_count) payment_last_30d_count,
sum(payment_amount) payment_last_30d_amount
from dws_area_stats_daycount
where dt>=date_add('2020-05-30',-30)
group by id,province_name,area_code,iso_code,region_id,region_name
)new
on old.id=new.id;
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# DWT 层数据导入脚本
在 /home/atguigu/bin 目录下创建脚本 dws_to_dwt.sh
cd /home/atguigu/bin
vim dws_to_dwt.sh
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在脚本中填写如下内容
#!/bin/bash
APP=gmall
hive=/opt/module/hive/bin/hive
# 如果是输入的日期按照取输入日期；如果没输入日期取当前时间的前一天
if [ -n "$1" ] ;then
do_date=$1
else
do_date=`date -d "-1 day" +%F`
fi
sql="
insert overwrite table ${APP}.dwt_uv_topic
select
nvl(new.mid_id,old.mid_id),
nvl(new.model,old.model),
nvl(new.brand,old.brand),
nvl(old.login_date_first,'$do_date'),
if(new.mid_id is not null,'$do_date',old.login_date_last),
nvl(old.login_count,0)+if(new.mid_id is not null,1,0)
from
(
select
*
from ${APP}.dwt_uv_topic
)old
full outer join
(
select
*
from ${APP}.dws_uv_detail_daycount
where dt='$do_date'
)new
on old.mid_id=new.mid_id;
insert overwrite table ${APP}.dwt_user_topic
select
nvl(new.user_id,old.user_id),
if(old.login_date_first is null and new.user_id is not null,'$do_date',old.login_date_first),
if(new.user_id is not null,'$do_date',old.login_date_last),
nvl(old.login_count,0)+if(new.user_id is not null,1,0),
nvl(new.login_last_30d_count,0),
if(old.order_date_first is null and new.order_count>0,'$do_date',old.order_date_first),
if(new.order_count>0,'$do_date',old.order_date_last),
nvl(old.order_count,0)+nvl(new.order_count,0),
nvl(old.order_amount,0)+nvl(new.order_amount,0),
nvl(new.order_last_30d_count,0),
nvl(new.order_last_30d_amount,0),
if(old.payment_date_first is null and new.payment_count>0,'$do_date',old.payment_date_first),
if(new.payment_count>0,'$do_date',old.payment_date_last),
nvl(old.payment_count,0)+nvl(new.payment_count,0),
nvl(old.payment_amount,0)+nvl(new.payment_amount,0),
nvl(new.payment_last_30d_count,0),
nvl(new.payment_last_30d_amount,0)
from
${APP}.dwt_user_topic old
full outer join
(
select
user_id,
sum(if(dt='$do_date',order_count,0)) order_count,
sum(if(dt='$do_date',order_amount,0)) order_amount,
sum(if(dt='$do_date',payment_count,0)) payment_count,
sum(if(dt='$do_date',payment_amount,0)) payment_amount,
sum(if(login_count>0,1,0)) login_last_30d_count,
sum(order_count) order_last_30d_count,
sum(order_amount) order_last_30d_amount,
sum(payment_count) payment_last_30d_count,
sum(payment_amount) payment_last_30d_amount
from ${APP}.dws_user_action_daycount
where dt>=date_add( '$do_date',-30)
group by user_id
)new
on old.user_id=new.user_id;
insert overwrite table ${APP}.dwt_sku_topic
select
nvl(new.sku_id,old.sku_id),
sku_info.spu_id,
nvl(new.order_count30,0),
nvl(new.order_num30,0),
nvl(new.order_amount30,0),
nvl(old.order_count,0) + nvl(new.order_count,0),
nvl(old.order_num,0) + nvl(new.order_num,0),
nvl(old.order_amount,0) + nvl(new.order_amount,0),
nvl(new.payment_count30,0),
nvl(new.payment_num30,0),
nvl(new.payment_amount30,0),
nvl(old.payment_count,0) + nvl(new.payment_count,0),
nvl(old.payment_num,0) + nvl(new.payment_count,0),
nvl(old.payment_amount,0) + nvl(new.payment_count,0),
nvl(new.refund_count30,0),
nvl(new.refund_num30,0),
nvl(new.refund_amount30,0),
nvl(old.refund_count,0) + nvl(new.refund_count,0),
nvl(old.refund_num,0) + nvl(new.refund_num,0),
nvl(old.refund_amount,0) + nvl(new.refund_amount,0),
nvl(new.cart_count30,0),
nvl(old.cart_count,0) + nvl(new.cart_count,0),
nvl(new.favor_count30,0),
nvl(old.favor_count,0) + nvl(new.favor_count,0),
nvl(new.appraise_good_count30,0),
nvl(new.appraise_mid_count30,0),
nvl(new.appraise_bad_count30,0),
nvl(new.appraise_default_count30,0) ,
nvl(old.appraise_good_count,0) + nvl(new.appraise_good_count,0),
nvl(old.appraise_mid_count,0) + nvl(new.appraise_mid_count,0),
nvl(old.appraise_bad_count,0) + nvl(new.appraise_bad_count,0),
nvl(old.appraise_default_count,0) + nvl(new.appraise_default_count,0)
from
(
select
sku_id,
spu_id,
order_last_30d_count,
order_last_30d_num,
order_last_30d_amount,
order_count,
order_num,
order_amount ,
payment_last_30d_count,
payment_last_30d_num,
payment_last_30d_amount,
payment_count,
payment_num,
payment_amount,
refund_last_30d_count,
refund_last_30d_num,
refund_last_30d_amount,
refund_count,
refund_num,
refund_amount,
cart_last_30d_count,
cart_count,
favor_last_30d_count,
favor_count,
appraise_last_30d_good_count,
appraise_last_30d_mid_count,
appraise_last_30d_bad_count,
appraise_last_30d_default_count,
appraise_good_count,
appraise_mid_count,
appraise_bad_count,
appraise_default_count
from ${APP}.dwt_sku_topic
)old
full outer join
(
select
sku_id,
sum(if(dt='$do_date', order_count,0 )) order_count,
sum(if(dt='$do_date',order_num ,0 )) order_num,
sum(if(dt='$do_date',order_amount,0 )) order_amount ,
sum(if(dt='$do_date',payment_count,0 )) payment_count,
sum(if(dt='$do_date',payment_num,0 )) payment_num,
sum(if(dt='$do_date',payment_amount,0 )) payment_amount,
sum(if(dt='$do_date',refund_count,0 )) refund_count,
sum(if(dt='$do_date',refund_num,0 )) refund_num,
sum(if(dt='$do_date',refund_amount,0 )) refund_amount,
sum(if(dt='$do_date',cart_count,0 )) cart_count,
sum(if(dt='$do_date',favor_count,0 )) favor_count,
sum(if(dt='$do_date',appraise_good_count,0 )) appraise_good_count,
sum(if(dt='$do_date',appraise_mid_count,0 ) ) appraise_mid_count ,
sum(if(dt='$do_date',appraise_bad_count,0 )) appraise_bad_count,
sum(if(dt='$do_date',appraise_default_count,0 )) appraise_default_count,
sum(order_count) order_count30 ,
sum(order_num) order_num30,
sum(order_amount) order_amount30,
sum(payment_count) payment_count30,
sum(payment_num) payment_num30,
sum(payment_amount) payment_amount30,
sum(refund_count) refund_count30,
sum(refund_num) refund_num30,
sum(refund_amount) refund_amount30,
sum(cart_count) cart_count30,
sum(favor_count) favor_count30,
sum(appraise_good_count) appraise_good_count30,
sum(appraise_mid_count) appraise_mid_count30,
sum(appraise_bad_count) appraise_bad_count30,
sum(appraise_default_count) appraise_default_count30
from ${APP}.dws_sku_action_daycount
where dt >= date_add ('$do_date', -30)
group by sku_id
)new
on new.sku_id = old.sku_id
left join
(select * from ${APP}.dwd_dim_sku_info where dt='$do_date') sku_info
on nvl(new.sku_id,old.sku_id)= sku_info.id;
insert overwrite table ${APP}.dwt_activity_topic
select
nvl(new.id,old.id),
nvl(new.activity_name,old.activity_name),
nvl(new.order_count,0),
nvl(new.payment_count,0),
nvl(old.order_count,0)+nvl(new.order_count,0),
nvl(old.payment_count,0)+nvl(new.payment_count,0)
from
(
select
*
from ${APP}.dwt_activity_topic
)old
full outer join
(
select
id,
activity_name,
order_count,
payment_count
from ${APP}.dws_activity_info_daycount
where dt='$do_date'
)new
on old.id=new.id;
insert overwrite table ${APP}.dwt_area_topic
select
nvl(old.id,new.id),
nvl(old.province_name,new.province_name),
nvl(old.area_code,new.area_code),
nvl(old.iso_code,new.iso_code),
nvl(old.region_id,new.region_id),
nvl(old.region_name,new.region_name),
nvl(new.order_day_count,0),
nvl(new.order_day_amount,0.0),
nvl(new.order_last_30d_count,0),
nvl(new.order_last_30d_amount,0.0),
nvl(new.payment_day_count,0),
nvl(new.payment_day_amount,0.0),
nvl(new.payment_last_30d_count,0),
nvl(new.payment_last_30d_amount,0.0)
from
(
select
*
from ${APP}.dwt_area_topic
)old
full outer join
(
select
id,
province_name,
area_code,
iso_code,
region_id,
region_name,
sum(if(dt='$do_date',order_count,0)) order_day_count,
sum(if(dt='$do_date',order_amount,0.0)) order_day_amount,
sum(if(dt='$do_date',payment_count,0)) payment_day_count,
sum(if(dt='$do_date',payment_amount,0.0)) payment_day_amount,
sum(order_count) order_last_30d_count,
sum(order_amount) order_last_30d_amount,
sum(payment_count) payment_last_30d_count,
sum(payment_amount) payment_last_30d_amount
from ${APP}.dws_area_stats_daycount
where dt>=date_add('$do_date',-30)
group by id,province_name,area_code,iso_code,region_id,region_name
)new
on old.id=new.id;
"
$hive -e "$sql"
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执行脚本导入数据
cd /home/atguigu/bin
chmod +x dws_to_dwt.sh
dws_to_dwt.sh 2020-03-11
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编辑 (opens new window)
上次更新: 2023/12/06, 01:31:48