HIve数仓新零售项目
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今天继续和大家分享一下HIve数仓新零售项目
#博学谷IT学习技术支持
文章目录
- HIve数仓新零售项目
- 前言
- 一、DWB层功能与职责
- 二、订单明细宽表
- 三、店铺明细宽表
- 四、商品明细宽表
- 总结
前言
这是一个线下真实HIve数仓的一个搭建项目，还是比较复杂的，主要和大家一起分享一下整个HIve数仓的思路。
整个项目分为：
1.ODS层
2.DWD层
3.DWB层
4.DWS层
5.DM层
6.RPT层
每一层都有每一层的知识点。我会和大家分享从数据源MySQL开始，如何搭建整个完整的项目。
一、DWB层功能与职责
基于业务进行降维，就是将DWD业务上关联密切的表进行提起的join，形成宽表，这样以后可以避免大量的join操作，直接基于宽表进行分析即可。
原则：先排除分析中一定不会要的字段，剩下的原则是宁滥勿缺
二、订单明细宽表
DROP TABLE if EXISTS yp_dwb.dwb_order_detail;
CREATE TABLE yp_dwb.dwb_order_detail(
-- 订单事实表
order_id string COMMENT '根据一定规则生成的订单编号',
order_num string COMMENT '订单序号',
buyer_id string COMMENT '买家的userId',
store_id string COMMENT '店铺的id',
order_from string COMMENT '渠道类型：android、ios、miniapp、pcweb、other',
order_state int COMMENT '订单状态:1.已下单\; 2.已付款, 3. 已确认 \;4.配送\; 5.已完成\; 6.退款\;7.已取消',
create_date string COMMENT '下单时间',
finnshed_time timestamp COMMENT '订单完成时间,当配送员点击确认送达时,进行更新订单完成时间,后期需要根据订单完成时间,进行自动收货以及自动评价',
is_settlement tinyint COMMENT '是否结算\;0.待结算订单\; 1.已结算订单\;',
is_delete tinyint COMMENT '订单删除的状态:0.未删除\; 1.已删除\;(默认0)',
evaluation_state tinyint COMMENT '订单评价的状态:0.未评价\; 1.已评价\;(默认0)',
way string COMMENT '取货方式:SELF自提\;SHOP店铺负责配送',
is_stock_up int COMMENT '是否需要备货 0：不需要 1：需要 2:平台确认备货 3:已完成备货 4平台已经将货物送至店铺 ',
-- 订单副表
order_amount decimal(36,2) COMMENT '订单总金额:购买总金额-优惠金额',
discount_amount decimal(36,2) COMMENT '优惠金额',
goods_amount decimal(36,2) COMMENT '用户购买的商品的总金额+运费',
is_delivery string COMMENT '0.自提；1.配送',
buyer_notes string COMMENT '买家备注留言',
pay_time string,
receive_time string,
delivery_begin_time string,
arrive_store_time string,
arrive_time string COMMENT '订单完成时间,当配送员点击确认送达时,进行更新订单完成时间,后期需要根据订单完成时间,进行自动收货以及自动评价',
create_user string,
create_time string,
update_user string,
update_time string,
is_valid tinyint COMMENT '是否有效 0: false\; 1: true\; 订单是否有效的标志',
-- 订单组
group_id string COMMENT '订单分组id',
is_pay tinyint COMMENT '订单组是否已支付,0未支付,1已支付',
-- 订单组支付
group_pay_amount decimal(36,2) COMMENT '订单总金额\;',
-- 退款单
refund_id string COMMENT '退款单号',
apply_date string COMMENT '用户申请退款的时间',
refund_reason string COMMENT '买家退款原因',
refund_amount decimal(36,2) COMMENT '订单退款的金额',
refund_state tinyint COMMENT '1.申请退款\;2.拒绝退款\; 3.同意退款,配送员配送\; 4:商家同意退款,用户亲自送货 \;5.退款完成',
-- 结算单
settle_id string COMMENT '结算单号',
settlement_amount decimal(36,2) COMMENT '如果发生退款,则结算的金额 = 订单的总金额 - 退款的金额',
dispatcher_user_id string COMMENT '配送员id',
dispatcher_money decimal(36,2) COMMENT '配送员的配送费(配送员的运费(如果退货方式为1:则买家支付配送费))',
circle_master_user_id string COMMENT '圈主id',
circle_master_money decimal(36,2) COMMENT '圈主分润的金额',
plat_fee decimal(36,2) COMMENT '平台应得的分润',
store_money decimal(36,2) COMMENT '商家应得的订单金额',
status tinyint COMMENT '0.待结算；1.待审核 \; 2.完成结算；3.拒绝结算',
settle_time string COMMENT ' 结算时间',
-- 订单评价
evaluation_id string,
evaluation_user_id string COMMENT '评论人id',
geval_scores int COMMENT '综合评分',
geval_scores_speed int COMMENT '送货速度评分0-5分(配送评分)',
geval_scores_service int COMMENT '服务评分0-5分',
geval_isanony tinyint COMMENT '0-匿名评价，1-非匿名',
evaluation_time string,
-- 订单配送
delievery_id string COMMENT '主键id',
dispatcher_order_state tinyint COMMENT '配送订单状态:0.待接单.1.已接单,2.已到店.3.配送中 4.商家普通提货码完成订单.5.商家万能提货码完成订单。6，买家完成订单',
delivery_fee decimal(36,2) COMMENT '配送员的运费',
distance int COMMENT '配送距离',
dispatcher_code string COMMENT '收货码',
receiver_name string COMMENT '收货人姓名',
receiver_phone string COMMENT '收货人电话',
sender_name string COMMENT '发货人姓名',
sender_phone string COMMENT '发货人电话',
delievery_create_time string,
-- 商品快照
order_goods_id string COMMENT '--商品快照id',
goods_id string COMMENT '购买商品的id',
buy_num int COMMENT '购买商品的数量',
goods_price decimal(36,2) COMMENT '购买商品的价格',
total_price decimal(36,2) COMMENT '购买商品的价格 = 商品的数量 * 商品的单价 ',
goods_name string COMMENT '商品的名称',
goods_specification string COMMENT '商品规格',
goods_type string COMMENT '商品分类 ytgj:进口商品 ytsc:普通商品 hots爆品',
goods_brokerage decimal(36,2) COMMENT '商家设置的商品分润的金额',
is_goods_refund tinyint COMMENT '0.不退款\; 1.退款'
)
COMMENT '订单明细表'
PARTITIONED BY(dt STRING)
row format delimited fields terminated by '\t'
stored as orc tblproperties ('orc.compress' = 'SNAPPY');
insert into yp_dwb.dwb_order_detail partition (dt)
select
-- 订单事实表
so.id as order_id,
so.order_num,
so.buyer_id,
so.store_id,
so.order_from,
so.order_state,
so.create_date,
so.finnshed_time,
so.is_settlement,
so.is_delete,
so.evaluation_state,
so.way,
so.is_stock_up,
-- 订单副表
soad.order_amount,
soad.discount_amount,
soad.goods_amount,
soad.is_delivery,
soad.buyer_notes,
soad.pay_time,
soad.receive_time,
soad.delivery_begin_time,
soad.arrive_store_time,
soad.arrive_time,
soad.create_user,
soad.create_time,
soad.update_user,
soad.update_time,
soad.is_valid,
-- 订单组表
sog.group_id,
sog.is_pay,
-- 订单组支付
op.order_pay_amount as group_pay_amount,
-- 退款单
ro.id as refund_id,
ro.apply_date,
ro.refund_reason,
ro.refund_amount,
ro.refund_state,
-- 结算表
os.id as settle_id,
os.settlement_amount,
os.dispatcher_user_id,
os.dispatcher_money,
os.circle_master_user_id,
os.circle_master_money,
os.plat_fee,
os.store_money,
os.status,
os.settle_time,
-- 订单评价
ge.id as evaluation_id,
ge.user_id as evaluation_user_id,
ge.geval_scores,
ge.geval_scores_speed,
ge.geval_scores_service,
ge.geval_isanony,
ge.create_time as evaluation_time,
-- 订单配送
odi.id as delievery_id,
odi.dispatcher_order_state,
odi.delivery_fee,
odi.distance,
odi.dispatcher_code,
odi.receiver_name,
odi.receiver_phone,
odi.sender_name,
odi.sender_phone,
odi.create_time as delievery_create_time,
-- 商品快照
sogd.id as order_goods_id,
sogd.goods_id,
sogd.buy_num,
sogd.goods_price,
sogd.total_price,
sogd.goods_name,
sogd.goods_specification,
sogd.goods_type,
sogd.goods_brokerage,
sogd.is_refund as is_goods_refund,
substr(so.create_time,1,10) as dt
from (select * from yp_dwd.fact_shop_order where end_date = '9999-99-99' and is_valid = 1) so
left join (select * from yp_dwd.fact_shop_order_group where end_date = '9999-99-99' and is_valid = 1 ) sog on so.id = sog.order_id
left join (select * from yp_dwd.fact_order_pay where end_date = '9999-99-99' and is_valid = 1 ) op on sog.group_id = op.group_id
left join (select * from yp_dwd.fact_shop_order_goods_details where end_date = '9999-99-99' and is_valid = 1 ) sogd on so.id = sogd.order_id
left join (select * from yp_dwd.fact_shop_order_address_detail where end_date = '9999-99-99' and is_valid = 1 ) soad on so.id = soad.id
left join (select * from yp_dwd.fact_refund_order where end_date = '9999-99-99' and is_valid = 1 ) ro on so.id = ro.order_id
left join (select * from yp_dwd.fact_order_settle where end_date = '9999-99-99' and is_valid = 1 ) os on so.id = os.order_id
left join (select * from yp_dwd.fact_goods_evaluation where is_valid = 1 ) ge on so.id = ge.order_id
left join (select * from yp_dwd.fact_order_delievery_item where is_valid = 1 ) odi on so.id = odi.shop_order_id;
三、店铺明细宽表
DROP TABLE if EXISTS yp_dwb.dwb_shop_detail;
CREATE TABLE yp_dwb.dwb_shop_detail(
-- 店铺
id string,
address_info string COMMENT '店铺详细地址',
store_name string COMMENT '店铺名称',
is_pay_bond tinyint COMMENT '是否有交过保证金 1：是0：否',
trade_area_id string COMMENT '归属商圈ID',
delivery_method tinyint COMMENT '配送方式 1 ：自提 ；3 ：自提加配送均可\; 2 : 商家配送',
store_type int COMMENT '店铺类型 22天街网店 23实体店 24直营店铺 33会员专区店',
is_primary tinyint COMMENT '是否是总店 1: 是 2: 不是',
parent_store_id string COMMENT '父级店铺的id，只有当is_primary类型为2时有效',
-- 商圈
trade_area_name string COMMENT '商圈名称',
-- 行政区域
province_id string COMMENT '店铺所在省份ID',
city_id string COMMENT '店铺所在城市ID',
area_id string COMMENT '店铺所在县ID',
province_name string COMMENT '省份名称',
city_name string COMMENT '城市名称',
area_name string COMMENT '县名称'
)
COMMENT '店铺明细表'
PARTITIONED BY(dt STRING)
row format delimited fields terminated by '\t'
stored as orc tblproperties ('orc.compress' = 'SNAPPY');
insert into yp_dwb.dwb_shop_detail partition (dt)
select
-- 店铺表
s.id,
s.address_info,
s.name as store_name,
s.is_pay_bond,
s.trade_area_id,
s.delivery_method,
s.store_type,
s.is_primary,
s.parent_store_id,
-- 商圈表
ta.name as trade_area_name,
-- 行政区域表
d3.id as province_id,
d2.id as city_id,
d1.id as area_id,
d3.name as province_name,
d2.name as city_name,
d1.name as area_name,
substring(s.create_time,1,10) as dt
from (select * from yp_dwd.dim_store where end_date = '9999-99-99') s
left join (select * from yp_dwd.dim_trade_area where end_date = '9999-99-99') ta on s.trade_area_id = ta.id
left join (select * from yp_dwd.dim_location where end_date = '9999-99-99') l on s.id = l.correlation_id
left join yp_dwd.dim_district d1 on l.adcode = d1.id -- 区 / 县
left join yp_dwd.dim_district d2 on d1.pid = d2.id -- 市
left join yp_dwd.dim_district d3 on d2.pid = d3.id; -- 省
四、商品明细宽表
DROP TABLE if EXISTS yp_dwb.dwb_goods_detail;
CREATE TABLE yp_dwb.dwb_goods_detail(
-- 商品SKU表：dim_goods
id string,
store_id string COMMENT '所属商店ID',
class_id string COMMENT '分类id:只保存最后一层分类id',
store_class_id string COMMENT '店铺分类id',
brand_id string COMMENT '品牌id',
goods_name string COMMENT '商品名称',
goods_specification string COMMENT '商品规格',
search_name string COMMENT '模糊搜索名称字段:名称_+真实名称',
goods_sort int COMMENT '商品排序',
goods_market_price decimal(36,2) COMMENT '商品市场价',
goods_price decimal(36,2) COMMENT '商品销售价格(原价)',
goods_promotion_price decimal(36,2) COMMENT '商品促销价格(售价)',
goods_storage int COMMENT '商品库存',
goods_limit_num int COMMENT '购买限制数量',
goods_unit string COMMENT '计量单位',
goods_state tinyint COMMENT '商品状态 1正常，2下架,3违规（禁售）',
goods_verify tinyint COMMENT '商品审核状态: 1通过，2未通过，3审核中',
activity_type tinyint COMMENT '活动类型:0无活动1促销2秒杀3折扣',
discount int COMMENT '商品折扣(%)',
seckill_begin_time string COMMENT '秒杀开始时间',
seckill_end_time string COMMENT '秒杀结束时间',
seckill_total_pay_num int COMMENT '已秒杀数量',
seckill_total_num int COMMENT '秒杀总数限制',
seckill_price decimal(36,2) COMMENT '秒杀价格',
top_it tinyint COMMENT '商品置顶：1-是，0-否',
create_user string,
create_time string,
update_user string,
update_time string,
is_valid tinyint COMMENT '0 ：失效，1 ：开启',
-- 商品小类 -三级分类
min_class_id string COMMENT '分类id:只保存最后一层分类id',
min_class_name string COMMENT '店铺内分类名字',
-- 商品中类 - 二级分类
mid_class_id string COMMENT '分类id:只保存最后一层分类id',
mid_class_name string COMMENT '店铺内分类名字',
-- 商品大类 - 一级分类
max_class_id string COMMENT '分类id:只保存最后一层分类id',
max_class_name string COMMENT '店铺内分类名字',
-- 品牌
brand_name string COMMENT '品牌名称'
)
COMMENT '商品明细表'
PARTITIONED BY(dt STRING)
row format delimited fields terminated by '\t'
stored as orc
tblproperties ('orc.compress' = 'SNAPPY');
insert into yp_dwb.dwb_goods_detail partition (dt)
select
-- 商品表
g.id,
g.store_id,
g.class_id,
g.store_class_id,
g.brand_id,
g.goods_name,
g.goods_specification,
g.search_name,
g.goods_sort,
g.goods_market_price,
g.goods_price,
g.goods_promotion_price,
g.goods_storage,
g.goods_limit_num,
g.goods_unit,
g.goods_state,
g.goods_verify,
g.activity_type,
g.discount,
g.seckill_begin_time,
g.seckill_end_time,
g.seckill_total_pay_num,
g.seckill_total_num,
g.seckill_price,
g.top_it,
g.create_user,
g.create_time,
g.update_user,
g.update_time,
g.is_valid,
-- 商品分类表
case when c1.level = 3
then c1.id
else null
end as min_class_id,
case when c1.level = 3
then c1.name
else null
end as min_class_name,
-- 中类
case when c1.level = 2
then c1.id
when c2.level = 2
then c2.id
else null
end as mid_class_id,
case when c1.level = 2
then c1.name
when c2.level = 2
then c2.name
else null
end as mid_class_name,
-- 大类
case when c1.level = 1
then c1.id
when c2.level = 1
then c2.id
when c3.level = 1
then c3.id
else null
end as max_class_id,
case when c1.level = 1
then c1.name
when c2.level = 1
then c2.name
when c3.level = 1
then c3.name
else null
end as max_class_name,
--- 品牌表
b.brand_name,
substring(g.create_time,1,10) as dt
from (select * from yp_dwd.dim_goods where end_date = '9999-99-99') g
left join (select * from yp_dwd.dim_brand where end_date = '9999-99-99') b on g.brand_id = b.id
left join (select * from yp_dwd.dim_goods_class where end_date = '9999-99-99') c1 on g.store_class_id = c1.id
left join (select * from yp_dwd.dim_goods_class where end_date = '9999-99-99') c2 on c1.parent_id = c2.id
left join (select * from yp_dwd.dim_goods_class where end_date = '9999-99-99') c3 on c2.parent_id = c3.id;
总结
这里介绍了HIve数仓新零售项目DWB层的构建，DWB的主要目的是将DWD层的数据进行各种汇总，其目的是为了降维，没什么特别的计数点，完全出自业务的角度。
