41 lines
1.2 KiB
SQL
41 lines
1.2 KiB
SQL
-- =====================================================================================
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-- 为没有SKU的商品生成默认SKU
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-- 说明：购物车逻辑依赖SKU ID，如果商品没有SKU数据，前端生成的模拟SKU ID会导致数据库外键约束错误
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-- =====================================================================================
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DO $$
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DECLARE
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v_product RECORD;
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v_sku_id UUID;
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v_count INT := 0;
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BEGIN
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-- 遍历所有没有SKU的商品
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FOR v_product IN
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SELECT p.id, p.product_code, p.base_price, p.total_stock
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FROM public.ml_products p
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LEFT JOIN public.ml_product_skus s ON p.id = s.product_id
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WHERE s.id IS NULL
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LOOP
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-- 生成默认SKU
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INSERT INTO public.ml_product_skus (
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product_id,
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sku_code,
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specifications,
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price,
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stock,
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status
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) VALUES (
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v_product.id,
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v_product.product_code || '-DEF',
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'{"默认": "标准规格"}',
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v_product.base_price,
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v_product.total_stock,
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1
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);
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v_count := v_count + 1;
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END LOOP;
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RAISE NOTICE '已为 % 个商品生成默认SKU', v_count;
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END $$;
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