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[英]How can I insert the result of one query to another database by powershell
[英]How to insert one query result to another query as an input
當我嘗試運行查詢時,我收到 500 內部錯誤。 我想插入query2
結果作為數據進行query
。
詢問:
exports.create = async (req, res) => {
try {
const connection = await mysql.createConnection(config.mysql.credentials);
var query2='select MAX(orders) from pdb_product';
const query = `insert into pdb_product (product_code, description, active, third_party,
orders) values ("${req.body.product_code}", "${req.body.description}", ${(req.body.active == 'on' ? 1 : 0)}, ${(req.body.third_party == 'on' ? 1 : 0)}, ${query2});`;
await connection.query(query);
res.redirect('/products');
} catch (e) {
utils.error500(req, res, e.message);
}
};
我得到的錯誤:
您的 SQL 語法有錯誤; 檢查與您的 MySQL 服務器版本相對應的手冊,了解在第 1 行的“select MAX(orders) from pdb_product)”附近使用的正確語法
我該如何解決這個問題?
您在 query2 參數之前缺少一個 '(' 括號:
const query = `insert into pdb_product (product_code, description, active, third_party,
orders)
values ("${req.body.product_code}",
"${req.body.description}",
${(req.body.active == 'on' ? 1 : 0)},
${(req.body.third_party == 'on' ? 1 : 0)},
(${query2}));`;
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