支付功能动态化扩展

scripts/sql/init.sql

@@ -720,6 +720,58 @@ comment on column product.created_at is '创建时间';
 comment on column product.updated_at is '更新时间';
 comment on column product.deleted_at is '删除时间';
 
+-- product_sku
+drop table if exists product_sku cascade;
+create table product_sku (
+    id         int generated by default as identity primary key,
+    product_id int     not null,
+    code       text    not null,
+    name       text    not null,
+    price      decimal not null,
+    discount   float   not null,
+    created_at timestamptz default current_timestamp,
+    updated_at timestamptz default current_timestamp,
+    deleted_at timestamptz
+);
+create index idx_product_sku_product_id on product_sku (product_id) where deleted_at is null;
+create index idx_product_sku_code on product_sku (code) where deleted_at is null;
+
+-- product_sku表字段注释
+comment on table product_sku is '产品SKU表';
+comment on column product_sku.id is 'SKU ID';
+comment on column product_sku.product_id is '产品ID';
+comment on column product_sku.code is 'SKU 代码：格式为 key=value,key=value,...，其中，key:value 是 SKU 的属性，多个属性用逗号分隔';
+comment on column product_sku.name is 'SKU 可读名称';
+comment on column product_sku.price is '定价';
+comment on column product_sku.discount is '折扣，0 - 1 的小数，表示 xx 折';
+comment on column product_sku.created_at is '创建时间';
+comment on column product_sku.updated_at is '更新时间';
+comment on column product_sku.deleted_at is '删除时间';
+
+-- product_sku_user
+drop table if exists product_sku_user cascade;
+create table product_sku_user (
+    id             int generated by default as identity primary key,
+    user_id        int not null,
+    product_sku_id int not null,
+    price          decimal,
+    discount       float,
+    created_at     timestamptz default current_timestamp,
+    updated_at     timestamptz default current_timestamp
+);
+create index idx_product_sku_user_user_id on product_sku_user (user_id);
+create index idx_product_sku_user_product_sku_id on product_sku_user (product_sku_id);
+
+-- product_sku_user表字段注释
+comment on table product_sku_user is '用户产品SKU表';
+comment on column product_sku_user.id is 'ID';
+comment on column product_sku_user.user_id is '用户ID';
+comment on column product_sku_user.product_sku_id is '产品SKU ID';
+comment on column product_sku_user.price is '定价';
+comment on column product_sku_user.discount is '折扣，0 - 1 的小数，表示 xx 折';
+comment on column product_sku_user.created_at is '创建时间';
+comment on column product_sku_user.updated_at is '更新时间';
+
 -- resource
 drop table if exists resource cascade;
 create table resource (
@@ -1058,4 +1110,14 @@ alter table bill
 alter table coupon
     add constraint fk_coupon_user_id foreign key (user_id) references "user" (id) on delete cascade;
 
+-- product_sku表外键
+alter table product_sku
+    add constraint fk_product_sku_product_id foreign key (product_id) references product (id) on delete cascade;
+
+-- product_sku_user表外键
+alter table product_sku_user
+    add constraint fk_product_sku_user_user_id foreign key (user_id) references "user" (id) on delete cascade;
+alter table product_sku_user
+    add constraint fk_product_sku_user_product_sku_id foreign key (product_sku_id) references product_sku (id) on delete cascade;
+
 -- endregion