98 lines
4.5 KiB
SQL
98 lines
4.5 KiB
SQL
-- v3.5.4 商品规格：SPU + SKU
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-- 1) 新建规格/SKU 表 2) 订单快照列 3) SPU 去掉 sku/barcode 唯一 4) 存量默认 SKU 回填
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-- 销售单位枚举（Prisma 用字符串枚举映射；MySQL 用 VARCHAR，此处仅建表）
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CREATE TABLE IF NOT EXISTS common_product_spec_attr (
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id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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product_id BIGINT UNSIGNED NOT NULL,
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name VARCHAR(32) NOT NULL,
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sort_order INT NOT NULL DEFAULT 0,
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created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
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updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
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PRIMARY KEY (id),
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KEY idx_spec_attr_product (product_id, sort_order),
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CONSTRAINT fk_spec_attr_product FOREIGN KEY (product_id) REFERENCES common_product_item (id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS common_product_spec_value (
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id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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attr_id BIGINT UNSIGNED NOT NULL,
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name VARCHAR(64) NOT NULL,
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sort_order INT NOT NULL DEFAULT 0,
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created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
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updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
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PRIMARY KEY (id),
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KEY idx_spec_value_attr (attr_id, sort_order),
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CONSTRAINT fk_spec_value_attr FOREIGN KEY (attr_id) REFERENCES common_product_spec_attr (id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS common_product_sku (
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id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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product_id BIGINT UNSIGNED NOT NULL,
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sku_code VARCHAR(32) NOT NULL,
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barcode_69 VARCHAR(32) NOT NULL,
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spec_key VARCHAR(128) NOT NULL DEFAULT '',
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spec_text VARCHAR(128) NOT NULL DEFAULT '',
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price DECIMAL(10, 2) NOT NULL,
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benefit_amount DECIMAL(10, 2) NULL,
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status VARCHAR(16) NOT NULL DEFAULT 'DRAFT',
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allow_on_site_pickup TINYINT(1) NOT NULL DEFAULT 0,
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allow_online_purchase TINYINT(1) NOT NULL DEFAULT 1,
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allow_cross_city_delivery TINYINT(1) NOT NULL DEFAULT 1,
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sale_unit VARCHAR(16) NOT NULL DEFAULT 'BOTTLE',
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bottles_per_unit INT NOT NULL DEFAULT 1,
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is_default TINYINT(1) NOT NULL DEFAULT 0,
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sort_order INT NOT NULL DEFAULT 0,
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created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
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updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
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PRIMARY KEY (id),
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UNIQUE KEY uk_product_sku_code (sku_code),
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UNIQUE KEY uk_product_sku_barcode (barcode_69),
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UNIQUE KEY uk_product_sku_spec_key (product_id, spec_key),
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KEY idx_product_sku_status (product_id, status),
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KEY idx_product_sku_default (product_id, is_default),
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CONSTRAINT fk_product_sku_product FOREIGN KEY (product_id) REFERENCES common_product_item (id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS common_product_sku_spec (
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id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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sku_id BIGINT UNSIGNED NOT NULL,
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value_id BIGINT UNSIGNED NOT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY uk_sku_spec (sku_id, value_id),
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KEY idx_sku_spec_value (value_id),
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CONSTRAINT fk_sku_spec_sku FOREIGN KEY (sku_id) REFERENCES common_product_sku (id) ON DELETE CASCADE,
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CONSTRAINT fk_sku_spec_value FOREIGN KEY (value_id) REFERENCES common_product_spec_value (id) ON DELETE RESTRICT
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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-- 订单快照列
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ALTER TABLE user_order
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ADD COLUMN sku_id BIGINT UNSIGNED NULL AFTER product_id,
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ADD COLUMN sale_unit VARCHAR(16) NOT NULL DEFAULT 'BOTTLE' AFTER quantity,
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ADD COLUMN bottles_per_unit INT NOT NULL DEFAULT 1 AFTER sale_unit;
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ALTER TABLE user_order
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ADD KEY idx_order_sku_id (sku_id);
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-- SPU：去掉 sku_code / barcode_69 唯一（保留普通索引）；若索引名不同可手工调整
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ALTER TABLE common_product_item DROP INDEX sku_code;
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ALTER TABLE common_product_item DROP INDEX barcode_69;
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ALTER TABLE common_product_item ADD INDEX idx_product_item_sku_code (sku_code);
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ALTER TABLE common_product_item ADD INDEX idx_product_item_barcode_69 (barcode_69);
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-- 存量商品回填默认 SKU（无规格，瓶装）
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INSERT INTO common_product_sku (
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product_id, sku_code, barcode_69, spec_key, spec_text, price, benefit_amount, status,
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allow_on_site_pickup, allow_online_purchase, allow_cross_city_delivery,
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sale_unit, bottles_per_unit, is_default, sort_order, created_at, updated_at
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)
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SELECT
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p.id, p.sku_code, p.barcode_69, '', COALESCE(p.spec, ''), p.price, p.benefit_amount, p.status,
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p.allow_on_site_pickup, p.allow_online_purchase, p.allow_cross_city_delivery,
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'BOTTLE', 1, 1, 0, NOW(3), NOW(3)
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FROM common_product_item p
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WHERE NOT EXISTS (
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SELECT 1 FROM common_product_sku s WHERE s.product_id = p.id
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);
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