50 lines
3.3 KiB
MySQL
50 lines
3.3 KiB
MySQL
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-- ============================================================
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-- 数据库迁移脚本
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-- 版本: v1.0
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-- 日期: 2026-03-25
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-- 描述: 为 v2_food 表新增嘌呤含量和重量基准字段
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-- ============================================================
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-- 1. 新增 purine 字段（嘌呤含量，单位 mg）
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ALTER TABLE v2_food
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ADD COLUMN purine DECIMAL(10, 2) DEFAULT NULL COMMENT '嘌呤含量(mg)';
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-- 2. 新增 serving_size 字段（营养成分对应重量基准）
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ALTER TABLE v2_food
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ADD COLUMN serving_size VARCHAR(50) DEFAULT '每100g' COMMENT '营养成分对应的食物重量基准，如"每100g"、"每份(50g)"';
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-- 验证
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DESC v2_food;
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-- ============================================================
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-- 参考数据初始化示例（按需执行）
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-- 数据来源: https://www.ishen365.com/article/cereal
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-- ============================================================
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-- 谷薯类
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UPDATE v2_food SET calcium = 13, iron = 2.3, vitamin_c = 0, purine = 18.4, serving_size = '每100g' WHERE name = '大米' AND category_name LIKE '%谷%';
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UPDATE v2_food SET calcium = 34, iron = 5.1, vitamin_c = 0, purine = 25.0, serving_size = '每100g' WHERE name = '小米' AND category_name LIKE '%谷%';
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UPDATE v2_food SET calcium = 38, iron = 5.9, vitamin_c = 0, purine = 22.4, serving_size = '每100g' WHERE name = '玉米' AND category_name LIKE '%谷%';
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UPDATE v2_food SET calcium = 31, iron = 3.5, vitamin_c = 0, purine = 17.1, serving_size = '每100g' WHERE name = '面粉' AND category_name LIKE '%谷%';
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-- 蔬菜类
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UPDATE v2_food SET calcium = 48, iron = 1.2, vitamin_c = 14, purine = 10.1, serving_size = '每100g' WHERE name = '菠菜' AND category_name LIKE '%蔬%';
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UPDATE v2_food SET calcium = 36, iron = 0.5, vitamin_c = 4, purine = 5.5, serving_size = '每100g' WHERE name = '西红柿' AND category_name LIKE '%蔬%';
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UPDATE v2_food SET calcium = 21, iron = 0.3, vitamin_c = 2, purine = 3.4, serving_size = '每100g' WHERE name = '土豆' AND category_name LIKE '%蔬%';
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-- 水果类
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UPDATE v2_food SET calcium = 4, iron = 0.6, vitamin_c = 8, purine = 0.9, serving_size = '每100g' WHERE name = '苹果' AND category_name LIKE '%水果%';
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UPDATE v2_food SET calcium = 7, iron = 0.2, vitamin_c = 8, purine = 1.9, serving_size = '每100g' WHERE name = '香蕉' AND category_name LIKE '%水果%';
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-- 肉蛋类
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UPDATE v2_food SET calcium = 11, iron = 2.5, vitamin_c = 0, purine = 122.5, serving_size = '每100g' WHERE name = '猪肉' AND category_name LIKE '%肉%';
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UPDATE v2_food SET calcium = 9, iron = 2.3, vitamin_c = 0, purine = 107.6, serving_size = '每100g' WHERE name = '牛肉' AND category_name LIKE '%肉%';
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UPDATE v2_food SET calcium = 56, iron = 2.0, vitamin_c = 0, purine = 2.6, serving_size = '每100g' WHERE name = '鸡蛋' AND category_name LIKE '%蛋%';
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-- 豆类
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UPDATE v2_food SET calcium = 191, iron = 8.2, vitamin_c = 0, purine = 166.5, serving_size = '每100g' WHERE name = '黄豆' AND category_name LIKE '%豆%';
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UPDATE v2_food SET calcium = 164, iron = 6.4, vitamin_c = 0, purine = 116.9, serving_size = '每100g' WHERE name = '豆腐' AND category_name LIKE '%豆%';
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-- 将所有未设置 serving_size 的记录默认填充
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UPDATE v2_food SET serving_size = '每100g' WHERE serving_size IS NULL OR serving_size = '';
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