16 lines
633 B
MySQL
16 lines
633 B
MySQL
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-- 更新房间表结构，将原来的 price 字段改为 monthlyPrice 和 yearlyPrice 两个字段
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-- 添加 monthlyPrice 字段
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ALTER TABLE rooms ADD COLUMN monthlyPrice DECIMAL(10, 2) NOT NULL DEFAULT 0 AFTER area;
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-- 添加 yearlyPrice 字段
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ALTER TABLE rooms ADD COLUMN yearlyPrice DECIMAL(10, 2) NOT NULL DEFAULT 0 AFTER monthlyPrice;
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-- 将原来的 price 字段值复制到 monthlyPrice 字段
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UPDATE rooms SET monthlyPrice = price;
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-- 计算年租金并更新 yearlyPrice 字段（月租金 * 12）
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UPDATE rooms SET yearlyPrice = monthlyPrice * 12;
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-- 删除原来的 price 字段
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ALTER TABLE rooms DROP COLUMN price;
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