$this->db->query("INSERT INTO products
(name, price, description, stock)
VALUES ('$name', '$price', '$description', '$stock')");
$this->db->query("INSERT INTO products (category)
SELECT id
FROM categories
WHERE category_name = '$category'");
如果单独运行,这些查询可以正常工作,但如何一起运行它们? 我正在尝试将产品数据添加到表中,并获取类别ID并同时插入它。
答案 0 :(得分:1)
通常,您可以在SELECT
中指定硬编码值INSERT INTO table1 (col1, col2, col3)
SELECT id, 'string1', 'string2'
FROM table2
WHERE cond1 = val4;
将id
和string1
以及string2
添加到table1
在你的情况下应该是
INSERT INTO products (category, name, price, description, stock)
SELECT id, '$name', '$price', '$description', '$stock'
FROM categories
WHERE category_name = '$category'