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Improve error handling of mysqlQuery and return row count as result

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This commit is contained in:
Louis Lam 2023-03-24 16:08:30 +08:00
parent 097567e5f0
commit 7330db3563
2 changed files with 20 additions and 13 deletions
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4
server/model/monitor.js
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@ -637,9 +637,7 @@ class Monitor extends BeanModel {
} else if (this.type === "mysql") {
let startTime = dayjs().valueOf();
await mysqlQuery(this.databaseConnectionString, this.databaseQuery);
bean.msg = "";
bean.msg = await mysqlQuery(this.databaseConnectionString, this.databaseQuery);
bean.status = UP;
bean.ping = dayjs().valueOf() - startTime;
} else if (this.type === "mongodb") {

25
server/util-server.js
View File

@ -322,19 +322,28 @@ exports.postgresQuery = function (connectionString, query) {
* Run a query on MySQL/MariaDB
* @param {string} connectionString The database connection string
* @param {string} query The query to validate the database with
* @returns {Promise<(string[]|Object[]|Object)>}
* @returns {Promise<(string)>}
*/
exports.mysqlQuery = function (connectionString, query) {
return new Promise((resolve, reject) => {
const connection = mysql.createConnection(connectionString);
connection.promise().query(query)
.then(res => {
resolve(res);
})
.catch(err => {
connection.on("error", (err) => {
reject(err);
})
.finally(() => {
});
connection.query(query, (err, res) => {
if (err) {
reject(err);
}
// Check if res is an array
if (Array.isArray(res)) {
resolve("Rows: " + res.length);
} else {
resolve("No Error, but the result is not an array. Type: " + typeof res);
}
connection.destroy();
});
});