php - CakePHP 和 MySql 使用公共字段“productname”搜索多个表

Question

在我的数据库中，我有多个具有相同字段“产品名称”的表，我希望能够创建一个搜索栏来搜索所有这些表。

SELECT * FROM mobiles, '平板电脑', '电话', 'gopros' WHERE productname LIKE '%app%'

我知道查询不正确，但我正在尝试在 cakephp 中创建类似的内容。

任何帮助，将不胜感激。

Answer 1

I think this query will provide you the answer

SELECT * FROM mobiles AS M, 'tablets' AS T, 'telephones' AS TP, 'gopros' AS G WHERE   M.productname LIKE '%app%' AND T.productname LIKE '%app%' AND TP.productname LIKE '%app%' AND G.productname LIKE '%app%'

I hope mobiles tablest etc are tables having productname column

Answer 2

我认为您正在寻找UNION子句，

(SELECT * from mobiles WHERE productname LIKE '%app%' )
UNION
(SELECT * from tablets WHERE productname LIKE '%app%' ) ......