任何人都可以看到以下查询有什么问题吗? 我拥有的值是products_model号000011195001
我需要的是表products_attribute
中所有相应products_id的sum attributes_stock表products_attribute中products_id 1726的所有attributes_stock的总和为500 这些500需要我在Field products_quantity中的Table产品
当我跑步时,我得到:
UPDATE products As C INNER JOIN (
SELECT SUM( attributes_stock ) AS products_quantiry
FROM products_attributes
WHERE products_id IN(
SELECT products.products_id
FROM products
WHERE products_model LIKE '000011195001'
)
)
AS A ON products.products_id = products_attributes.products_id
SET C.products_quantity = A.products_quantiry
表产品 products_model,products_id,products_quantity
值
000011195001,1726
表products_attribute products_id,attributes_stock
1726年,3001726,150
1726年,50岁提前致谢
答案 0 :(得分:0)
这里(我做了一个sql小提琴,但网站现在还没有工作:'():
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