453 lines
20 KiB
PL/PgSQL
453 lines
20 KiB
PL/PgSQL
-- ===================================================================
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-- 电商商城商品管理数据库设计
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-- 基于PostgreSQL，兼容现有ak_contents资讯系统
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-- ===================================================================
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-- ===================================================================
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-- 1. 商品核心表
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-- ===================================================================
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-- 商品基础信息表
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CREATE TABLE IF NOT EXISTS public.mall_products (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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product_code VARCHAR(50) UNIQUE NOT NULL, -- 商品编码
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name VARCHAR(500) NOT NULL, -- 商品名称
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subtitle VARCHAR(1000), -- 副标题/卖点
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description TEXT, -- 商品描述
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-- 商家信息
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merchant_id UUID NOT NULL REFERENCES public.ak_users(id),
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brand_id UUID REFERENCES public.mall_brands(id),
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-- 分类信息
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category_id UUID NOT NULL REFERENCES public.mall_categories(id),
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category_path TEXT[], -- 分类路径，便于查询
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-- 基础属性
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weight DECIMAL(10,3), -- 重量(kg)
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dimensions JSONB, -- 尺寸信息 {长,宽,高}
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-- 价格信息
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base_price DECIMAL(12,2) NOT NULL, -- 基础价格
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market_price DECIMAL(12,2), -- 市场价
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cost_price DECIMAL(12,2), -- 成本价
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-- 库存信息
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stock_quantity INTEGER DEFAULT 0, -- 总库存
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available_quantity INTEGER DEFAULT 0, -- 可用库存
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reserved_quantity INTEGER DEFAULT 0, -- 预留库存
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min_order_quantity INTEGER DEFAULT 1, -- 最小起订量
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max_order_quantity INTEGER, -- 最大限购量
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-- 状态信息
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status VARCHAR(20) DEFAULT 'draft', -- 状态：draft/active/inactive/deleted
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is_featured BOOLEAN DEFAULT false, -- 是否精选
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is_new BOOLEAN DEFAULT false, -- 是否新品
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is_hot BOOLEAN DEFAULT false, -- 是否热卖
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is_on_sale BOOLEAN DEFAULT false, -- 是否促销
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-- 多媒体
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main_image_url TEXT, -- 主图
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image_urls TEXT[], -- 图片URL数组
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video_urls TEXT[], -- 视频URL数组
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-- SEO相关
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seo_title VARCHAR(200), -- SEO标题
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seo_description VARCHAR(500), -- SEO描述
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seo_keywords TEXT[], -- SEO关键词
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slug VARCHAR(200) UNIQUE, -- URL友好标识
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-- 销售统计
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view_count INTEGER DEFAULT 0, -- 浏览次数
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sale_count INTEGER DEFAULT 0, -- 销售数量
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favorite_count INTEGER DEFAULT 0, -- 收藏次数
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rating_average DECIMAL(3,2) DEFAULT 0, -- 平均评分
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rating_count INTEGER DEFAULT 0, -- 评分次数
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-- 时间信息
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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published_at TIMESTAMP WITH TIME ZONE, -- 上架时间
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sale_start_at TIMESTAMP WITH TIME ZONE, -- 开售时间
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sale_end_at TIMESTAMP WITH TIME ZONE, -- 停售时间
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-- 额外信息
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tags TEXT[], -- 标签
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attributes JSONB DEFAULT '{}', -- 自定义属性
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notes TEXT, -- 内部备注
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-- 约束
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CONSTRAINT chk_price_positive CHECK (base_price >= 0),
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CONSTRAINT chk_stock_non_negative CHECK (stock_quantity >= 0),
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CONSTRAINT chk_available_stock CHECK (available_quantity >= 0),
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CONSTRAINT chk_reserved_stock CHECK (reserved_quantity >= 0),
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CONSTRAINT chk_rating_range CHECK (rating_average >= 0 AND rating_average <= 5)
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);
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-- 商品表索引
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CREATE INDEX IF NOT EXISTS idx_mall_products_merchant ON public.mall_products(merchant_id, status);
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CREATE INDEX IF NOT EXISTS idx_mall_products_category ON public.mall_products(category_id, status);
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CREATE INDEX IF NOT EXISTS idx_mall_products_status ON public.mall_products(status, published_at DESC);
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CREATE INDEX IF NOT EXISTS idx_mall_products_featured ON public.mall_products(is_featured, published_at DESC);
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CREATE INDEX IF NOT EXISTS idx_mall_products_price ON public.mall_products(base_price, status);
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CREATE INDEX IF NOT EXISTS idx_mall_products_sale_count ON public.mall_products(sale_count DESC);
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CREATE INDEX IF NOT EXISTS idx_mall_products_rating ON public.mall_products(rating_average DESC, rating_count DESC);
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CREATE INDEX IF NOT EXISTS idx_mall_products_code ON public.mall_products(product_code);
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CREATE INDEX IF NOT EXISTS idx_mall_products_slug ON public.mall_products(slug);
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CREATE INDEX IF NOT EXISTS idx_mall_products_tags ON public.mall_products USING GIN(tags);
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CREATE INDEX IF NOT EXISTS idx_mall_products_category_path ON public.mall_products USING GIN(category_path);
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COMMENT ON TABLE public.mall_products IS '商品基础信息表';
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-- ===================================================================
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-- 2. 商品SKU表
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-- ===================================================================
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-- 商品SKU表
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CREATE TABLE IF NOT EXISTS public.mall_product_skus (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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product_id UUID NOT NULL REFERENCES public.mall_products(id) ON DELETE CASCADE,
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sku_code VARCHAR(100) UNIQUE NOT NULL, -- SKU编码
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-- 规格信息
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specification_values JSONB NOT NULL DEFAULT '{}', -- 规格值 {"颜色":"红色","尺寸":"L"}
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specification_text VARCHAR(500), -- 规格描述文本
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-- 价格库存
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price DECIMAL(12,2) NOT NULL, -- SKU价格
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cost_price DECIMAL(12,2), -- SKU成本价
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stock_quantity INTEGER DEFAULT 0, -- SKU库存
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available_quantity INTEGER DEFAULT 0, -- SKU可用库存
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reserved_quantity INTEGER DEFAULT 0, -- SKU预留库存
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-- SKU属性
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weight DECIMAL(10,3), -- SKU重量
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barcode VARCHAR(50), -- 条形码
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image_url TEXT, -- SKU图片
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-- 状态
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is_active BOOLEAN DEFAULT true, -- 是否启用
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is_default BOOLEAN DEFAULT false, -- 是否默认SKU
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-- 销售统计
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sale_count INTEGER DEFAULT 0, -- 销售数量
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-- 时间
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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-- 约束
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CONSTRAINT chk_sku_price_positive CHECK (price >= 0),
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CONSTRAINT chk_sku_stock_non_negative CHECK (stock_quantity >= 0)
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);
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-- SKU表索引
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CREATE INDEX IF NOT EXISTS idx_mall_product_skus_product ON public.mall_product_skus(product_id, is_active);
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CREATE INDEX IF NOT EXISTS idx_mall_product_skus_code ON public.mall_product_skus(sku_code);
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CREATE INDEX IF NOT EXISTS idx_mall_product_skus_barcode ON public.mall_product_skus(barcode);
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CREATE INDEX IF NOT EXISTS idx_mall_product_skus_default ON public.mall_product_skus(product_id, is_default);
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CREATE INDEX IF NOT EXISTS idx_mall_product_skus_spec ON public.mall_product_skus USING GIN(specification_values);
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COMMENT ON TABLE public.mall_product_skus IS '商品SKU表';
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-- ===================================================================
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-- 3. 商品分类表
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-- ===================================================================
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-- 商品分类表
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CREATE TABLE IF NOT EXISTS public.mall_categories (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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name VARCHAR(200) NOT NULL, -- 分类名称
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slug VARCHAR(200) UNIQUE, -- URL友好标识
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description TEXT, -- 分类描述
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-- 层级关系
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parent_id UUID REFERENCES public.mall_categories(id),
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level INTEGER DEFAULT 0, -- 层级：0=顶级
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path TEXT, -- 路径：/1/2/3
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sort_order INTEGER DEFAULT 0, -- 排序
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-- 显示信息
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icon_url TEXT, -- 分类图标
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banner_url TEXT, -- 分类横幅
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-- 状态
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is_active BOOLEAN DEFAULT true, -- 是否启用
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is_featured BOOLEAN DEFAULT false, -- 是否精选
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-- 统计
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product_count INTEGER DEFAULT 0, -- 商品数量
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-- SEO
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seo_title VARCHAR(200),
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seo_description VARCHAR(500),
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seo_keywords TEXT[],
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-- 时间
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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-- 自定义属性
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attributes JSONB DEFAULT '{}'
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);
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-- 分类表索引
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CREATE INDEX IF NOT EXISTS idx_mall_categories_parent ON public.mall_categories(parent_id, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_categories_level ON public.mall_categories(level, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_categories_active ON public.mall_categories(is_active, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_categories_featured ON public.mall_categories(is_featured, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_categories_slug ON public.mall_categories(slug);
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COMMENT ON TABLE public.mall_categories IS '商品分类表';
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-- ===================================================================
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-- 4. 商品品牌表
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-- ===================================================================
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-- 商品品牌表
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CREATE TABLE IF NOT EXISTS public.mall_brands (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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name VARCHAR(200) NOT NULL UNIQUE, -- 品牌名称
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english_name VARCHAR(200), -- 英文名称
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slug VARCHAR(200) UNIQUE, -- URL友好标识
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description TEXT, -- 品牌描述
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-- 品牌信息
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logo_url TEXT, -- 品牌Logo
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banner_url TEXT, -- 品牌横幅
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website_url TEXT, -- 官网地址
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origin_country VARCHAR(100), -- 品牌原产国
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founded_year INTEGER, -- 创立年份
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-- 状态
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is_active BOOLEAN DEFAULT true, -- 是否启用
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is_featured BOOLEAN DEFAULT false, -- 是否精选
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-- 统计
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product_count INTEGER DEFAULT 0, -- 商品数量
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-- SEO
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seo_title VARCHAR(200),
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seo_description VARCHAR(500),
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seo_keywords TEXT[],
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-- 时间
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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-- 排序
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sort_order INTEGER DEFAULT 0
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);
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-- 品牌表索引
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CREATE INDEX IF NOT EXISTS idx_mall_brands_active ON public.mall_brands(is_active, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_brands_featured ON public.mall_brands(is_featured, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_brands_slug ON public.mall_brands(slug);
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COMMENT ON TABLE public.mall_brands IS '商品品牌表';
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-- ===================================================================
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-- 5. 商品规格相关表
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-- ===================================================================
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-- 规格名表（如：颜色、尺寸、款式等）
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CREATE TABLE IF NOT EXISTS public.mall_specifications (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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name VARCHAR(100) NOT NULL, -- 规格名称：颜色、尺寸等
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slug VARCHAR(100) UNIQUE, -- URL友好标识
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type VARCHAR(50) DEFAULT 'select', -- 类型：select/input/color/image
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sort_order INTEGER DEFAULT 0, -- 排序
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is_required BOOLEAN DEFAULT false, -- 是否必选
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is_active BOOLEAN DEFAULT true, -- 是否启用
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
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);
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-- 规格值表（如：红色、蓝色、L、XL等）
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CREATE TABLE IF NOT EXISTS public.mall_specification_values (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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specification_id UUID NOT NULL REFERENCES public.mall_specifications(id) ON DELETE CASCADE,
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value VARCHAR(200) NOT NULL, -- 规格值：红色、L等
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color_code VARCHAR(20), -- 颜色代码（仅颜色规格）
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image_url TEXT, -- 规格值图片
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sort_order INTEGER DEFAULT 0, -- 排序
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is_active BOOLEAN DEFAULT true, -- 是否启用
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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UNIQUE(specification_id, value)
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);
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-- 商品规格关联表
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CREATE TABLE IF NOT EXISTS public.mall_product_specifications (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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product_id UUID NOT NULL REFERENCES public.mall_products(id) ON DELETE CASCADE,
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specification_id UUID NOT NULL REFERENCES public.mall_specifications(id) ON DELETE CASCADE,
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is_required BOOLEAN DEFAULT false, -- 该商品的该规格是否必选
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sort_order INTEGER DEFAULT 0, -- 在该商品中的排序
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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UNIQUE(product_id, specification_id)
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);
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-- 索引
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CREATE INDEX IF NOT EXISTS idx_mall_specifications_active ON public.mall_specifications(is_active, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_specification_values_spec ON public.mall_specification_values(specification_id, is_active, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_product_specifications_product ON public.mall_product_specifications(product_id, sort_order);
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-- ===================================================================
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-- 6. 商品详情相关表
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-- ===================================================================
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-- 商品详情内容表（富文本、图文混排）
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CREATE TABLE IF NOT EXISTS public.mall_product_details (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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product_id UUID NOT NULL REFERENCES public.mall_products(id) ON DELETE CASCADE,
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-- 详情内容
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detail_type VARCHAR(50) DEFAULT 'rich_text', -- 类型：rich_text/markdown/html
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content TEXT, -- 详情内容
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images TEXT[], -- 详情图片
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-- 显示控制
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section_title VARCHAR(200), -- 区块标题
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sort_order INTEGER DEFAULT 0, -- 排序
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is_active BOOLEAN DEFAULT true, -- 是否显示
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
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);
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-- 商品参数表
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CREATE TABLE IF NOT EXISTS public.mall_product_attributes (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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product_id UUID NOT NULL REFERENCES public.mall_products(id) ON DELETE CASCADE,
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-- 参数信息
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attribute_name VARCHAR(200) NOT NULL, -- 参数名称
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attribute_value TEXT NOT NULL, -- 参数值
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attribute_group VARCHAR(100), -- 参数分组
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-- 显示控制
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sort_order INTEGER DEFAULT 0, -- 排序
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is_key_attribute BOOLEAN DEFAULT false, -- 是否关键参数
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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UNIQUE(product_id, attribute_name)
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);
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-- 索引
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CREATE INDEX IF NOT EXISTS idx_mall_product_details_product ON public.mall_product_details(product_id, sort_order);
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CREATE INDEX IF NOT EXISTS idx_mall_product_attributes_product ON public.mall_product_attributes(product_id, attribute_group, sort_order);
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-- ===================================================================
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-- 7. 视图和函数
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-- ===================================================================
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-- 商品列表视图（包含完整信息）
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CREATE OR REPLACE VIEW public.vw_mall_products_full AS
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SELECT
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p.*,
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c.name as category_name,
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c.path as category_full_path,
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b.name as brand_name,
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b.logo_url as brand_logo_url,
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-- SKU汇总信息
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(SELECT MIN(price) FROM public.mall_product_skus WHERE product_id = p.id AND is_active = true) as min_price,
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(SELECT MAX(price) FROM public.mall_product_skus WHERE product_id = p.id AND is_active = true) as max_price,
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(SELECT SUM(stock_quantity) FROM public.mall_product_skus WHERE product_id = p.id AND is_active = true) as total_stock,
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-- 默认SKU信息
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default_sku.id as default_sku_id,
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default_sku.sku_code as default_sku_code,
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default_sku.price as default_price,
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default_sku.stock_quantity as default_stock
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FROM public.mall_products p
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LEFT JOIN public.mall_categories c ON p.category_id = c.id
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LEFT JOIN public.mall_brands b ON p.brand_id = b.id
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LEFT JOIN public.mall_product_skus default_sku ON p.id = default_sku.product_id AND default_sku.is_default = true
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WHERE p.status != 'deleted';
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COMMENT ON VIEW public.vw_mall_products_full IS '商品完整信息视图';
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-- ===================================================================
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-- 8. 触发器（维护统计数据）
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-- ===================================================================
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-- 更新商品SKU统计的触发器函数
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CREATE OR REPLACE FUNCTION public.update_product_sku_stats()
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RETURNS TRIGGER AS $$
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BEGIN
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-- 更新商品的库存统计
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UPDATE public.mall_products
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SET
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stock_quantity = (
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SELECT COALESCE(SUM(stock_quantity), 0)
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FROM public.mall_product_skus
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WHERE product_id = COALESCE(NEW.product_id, OLD.product_id) AND is_active = true
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),
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available_quantity = (
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SELECT COALESCE(SUM(available_quantity), 0)
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FROM public.mall_product_skus
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WHERE product_id = COALESCE(NEW.product_id, OLD.product_id) AND is_active = true
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),
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updated_at = NOW()
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WHERE id = COALESCE(NEW.product_id, OLD.product_id);
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RETURN COALESCE(NEW, OLD);
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END;
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$$ LANGUAGE plpgsql;
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-- 创建触发器
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DO $$
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BEGIN
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DROP TRIGGER IF EXISTS trigger_update_product_sku_stats ON public.mall_product_skus;
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CREATE TRIGGER trigger_update_product_sku_stats
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AFTER INSERT OR UPDATE OR DELETE ON public.mall_product_skus
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FOR EACH ROW EXECUTE FUNCTION public.update_product_sku_stats();
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END
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$$;
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-- ===================================================================
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-- 9. 初始化数据
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-- ===================================================================
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-- 插入基础商品分类
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INSERT INTO public.mall_categories (name, slug, level, sort_order) VALUES
|
||
('服装鞋包', 'fashion', 0, 1),
|
||
('数码家电', 'electronics', 0, 2),
|
||
('食品生鲜', 'food', 0, 3),
|
||
('家居日用', 'home', 0, 4),
|
||
('美妆护肤', 'beauty', 0, 5),
|
||
('运动户外', 'sports', 0, 6),
|
||
('图书文娱', 'books', 0, 7),
|
||
('医药保健', 'health', 0, 8)
|
||
ON CONFLICT (slug) DO NOTHING;
|
||
|
||
-- 插入基础规格
|
||
INSERT INTO public.mall_specifications (name, slug, type, sort_order) VALUES
|
||
('颜色', 'color', 'color', 1),
|
||
('尺寸', 'size', 'select', 2),
|
||
('款式', 'style', 'select', 3),
|
||
('容量', 'capacity', 'select', 4),
|
||
('材质', 'material', 'select', 5)
|
||
ON CONFLICT (slug) DO NOTHING;
|
||
|
||
-- 输出完成信息
|
||
DO $$
|
||
BEGIN
|
||
RAISE NOTICE '商品管理数据库结构创建完成！';
|
||
RAISE NOTICE '已创建以下核心表：';
|
||
RAISE NOTICE '- mall_products: 商品基础信息';
|
||
RAISE NOTICE '- mall_product_skus: 商品SKU';
|
||
RAISE NOTICE '- mall_categories: 商品分类';
|
||
RAISE NOTICE '- mall_brands: 商品品牌';
|
||
RAISE NOTICE '- mall_specifications: 商品规格';
|
||
RAISE NOTICE '可以开始添加商品数据了！';
|
||
END
|
||
$$;
|