This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
-- 1.冗余 SKU 图片地址, 规格
alter table product_comment
add column sku_pic_url varchar(256) not null comment '图片地址' after sku_id;
add column sku_properties varchar(512) null
comment '属性数组，JSON 格式 [{propertId: , valueId: }, {propertId: , valueId: }]' after sku_pic_url;
-- 2.修复已有数据
update product_comment pc
join product_sku ps on pc.spu_id = ps.spu_id
set pc.sku_pic_url = ps.pic_url,
pc.sku_properties = ps.properties
where pc.sku_id is not null;