DWS层 （四）优惠券主题
作者：互联网
文章目录
优惠券主题
1）建表语句
DROP TABLE IF EXISTS dws_coupon_info_daycount;
CREATE EXTERNAL TABLE dws_coupon_info_daycount(
`coupon_id` STRING COMMENT '优惠券ID',
`get_count` BIGINT COMMENT '被领取次数',
`order_count` BIGINT COMMENT '被使用(下单)次数',
`order_reduce_amount` DECIMAL(16,2) COMMENT '用券下单优惠金额',
`order_original_amount` DECIMAL(16,2) COMMENT '用券订单原价金额',
`order_final_amount` DECIMAL(16,2) COMMENT '用券下单最终金额',
`payment_count` BIGINT COMMENT '被使用(支付)次数',
`payment_reduce_amount` DECIMAL(16,2) COMMENT '用券支付优惠金额',
`payment_amount` DECIMAL(16,2) COMMENT '用券支付总金额',
`expire_count` BIGINT COMMENT '过期次数'
) COMMENT '每日活动统计'
PARTITIONED BY (`dt` STRING)
STORED AS PARQUET
LOCATION '/warehouse/gmall/dws/dws_coupon_info_daycount/'
TBLPROPERTIES ("parquet.compression"="lzo");
2）数据装载
（1）首日装载
with
tmp_cu as
(
select
coalesce(coupon_get.dt,coupon_using.dt,coupon_used.dt,coupon_exprie.dt) dt,
coalesce(coupon_get.coupon_id,coupon_using.coupon_id,coupon_used.coupon_id,coupon_exprie.coupon_id) coupon_id,
nvl(get_count,0) get_count,
nvl(order_count,0) order_count,
nvl(payment_count,0) payment_count,
nvl(expire_count,0) expire_count
from
(
select
date_format(get_time,'yyyy-MM-dd') dt,
coupon_id,
count(*) get_count
from dwd_coupon_use
group by date_format(get_time,'yyyy-MM-dd'),coupon_id
)coupon_get
full outer join
(
select
date_format(using_time,'yyyy-MM-dd') dt,
coupon_id,
count(*) order_count
from dwd_coupon_use
where using_time is not null
group by date_format(using_time,'yyyy-MM-dd'),coupon_id
)coupon_using
on coupon_get.dt=coupon_using.dt
and coupon_get.coupon_id=coupon_using.coupon_id
full outer join
(
select
date_format(used_time,'yyyy-MM-dd') dt,
coupon_id,
count(*) payment_count
from dwd_coupon_use
where used_time is not null
group by date_format(used_time,'yyyy-MM-dd'),coupon_id
)coupon_used
on nvl(coupon_get.dt,coupon_using.dt)=coupon_used.dt
and nvl(coupon_get.coupon_id,coupon_using.coupon_id)=coupon_used.coupon_id
full outer join
(
select
date_format(expire_time,'yyyy-MM-dd') dt,
coupon_id,
count(*) expire_count
from dwd_coupon_use
where expire_time is not null
group by date_format(expire_time,'yyyy-MM-dd'),coupon_id
)coupon_exprie
on coalesce(coupon_get.dt,coupon_using.dt,coupon_used.dt)=coupon_exprie.dt
and coalesce(coupon_get.coupon_id,coupon_using.coupon_id,coupon_used.coupon_id)=coupon_exprie.coupon_id
),
tmp_order as
(
select
date_format(create_time,'yyyy-MM-dd') dt,
coupon_id,
sum(split_coupon_amount) order_reduce_amount,
sum(original_amount) order_original_amount,
sum(split_final_amount) order_final_amount
from dwd_order_detail
where coupon_id is not null
group by date_format(create_time,'yyyy-MM-dd'),coupon_id
),
tmp_pay as
(
select
date_format(callback_time,'yyyy-MM-dd') dt,
coupon_id,
sum(split_coupon_amount) payment_reduce_amount,
sum(split_final_amount) payment_amount
from
(
select
order_id,
coupon_id,
split_coupon_amount,
split_final_amount
from dwd_order_detail
where coupon_id is not null
)od
join
(
select
order_id,
callback_time
from dwd_payment_info
)pi
on od.order_id=pi.order_id
group by date_format(callback_time,'yyyy-MM-dd'),coupon_id
)
insert overwrite table dws_coupon_info_daycount partition(dt)
select
coupon_id,
sum(get_count),
sum(order_count),
sum(order_reduce_amount),
sum(order_original_amount),
sum(order_final_amount),
sum(payment_count),
sum(payment_reduce_amount),
sum(payment_amount),
sum(expire_count),
dt
from
(
select
dt,
coupon_id,
get_count,
order_count,
0 order_reduce_amount,
0 order_original_amount,
0 order_final_amount,
payment_count,
0 payment_reduce_amount,
0 payment_amount,
expire_count
from tmp_cu
union all
select
dt,
coupon_id,
0 get_count,
0 order_count,
order_reduce_amount,
order_original_amount,
order_final_amount,
0 payment_count,
0 payment_reduce_amount,
0 payment_amount,
0 expire_count
from tmp_order
union all
select
dt,
coupon_id,
0 get_count,
0 order_count,
0 order_reduce_amount,
0 order_original_amount,
0 order_final_amount,
0 payment_count,
payment_reduce_amount,
payment_amount,
0 expire_count
from tmp_pay
)t1
group by dt,coupon_id;
（2）每日装载
with
tmp_cu as
(
select
coupon_id,
sum(if(date_format(get_time,'yyyy-MM-dd')='2020-06-15',1,0)) get_count,
sum(if(date_format(using_time,'yyyy-MM-dd')='2020-06-15',1,0)) order_count,
sum(if(date_format(used_time,'yyyy-MM-dd')='2020-06-15',1,0)) payment_count,
sum(if(date_format(expire_time,'yyyy-MM-dd')='2020-06-15',1,0)) expire_count
from dwd_coupon_use
where dt='9999-99-99'
or dt='2020-06-15'
group by coupon_id
),
tmp_order as
(
select
coupon_id,
sum(split_coupon_amount) order_reduce_amount,
sum(original_amount) order_original_amount,
sum(split_final_amount) order_final_amount
from dwd_order_detail
where dt='2020-06-15'
and coupon_id is not null
group by coupon_id
),
tmp_pay as
(
select
coupon_id,
sum(split_coupon_amount) payment_reduce_amount,
sum(split_final_amount) payment_amount
from dwd_order_detail
where (dt='2020-06-15'
or dt=date_add('2020-06-15',-1))
and coupon_id is not null
and order_id in
(
select order_id from dwd_payment_info where dt='2020-06-15'
)
group by coupon_id
)
insert overwrite table dws_coupon_info_daycount partition(dt='2020-06-15')
select
coupon_id,
sum(get_count),
sum(order_count),
sum(order_reduce_amount),
sum(order_original_amount),
sum(order_final_amount),
sum(payment_count),
sum(payment_reduce_amount),
sum(payment_amount),
sum(expire_count)
from
(
select
coupon_id,
get_count,
order_count,
0 order_reduce_amount,
0 order_original_amount,
0 order_final_amount,
payment_count,
0 payment_reduce_amount,
0 payment_amount,
expire_count
from tmp_cu
union all
select
coupon_id,
0 get_count,
0 order_count,
order_reduce_amount,
order_original_amount,
order_final_amount,
0 payment_count,
0 payment_reduce_amount,
0 payment_amount,
0 expire_count
from tmp_order
union all
select
coupon_id,
0 get_count,
0 order_count,
0 order_reduce_amount,
0 order_original_amount,
0 order_final_amount,
0 payment_count,
payment_reduce_amount,
payment_amount,
0 expire_count
from tmp_pay
)t1
group by coupon_id;
3）查询加载结果
标签：count,DWS,优惠券,coupon,payment,主题,id,amount,order 来源： https://blog.csdn.net/weixin_45417821/article/details/121086116