Questions tagged [node-mysql]

A pure node.js JavaScript Client implementing the MySql protocol. This is about the node package `mysql`, not `node-mysql` which is much less popular.

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Call object inside RowDataPacket using Node.js and MySQL

The code its about: con.query(`SET @row_num = 0; SELECT @row_num := @row_num + 1 AS row_number, userid, username, lvl FROM users ORDER BY lvl + 0 DESC`, async (err, rowss) => { if(err) throw err; console.log(rowss[0].userid); …
Syber
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How to use one Mysql pool connection in many files in a NodeJS Express App

I've been scratching my head at this. I wanted to know if there was an efficient way of creating one Mysql connection and sharing it between different modules in an application served by Express. So far I have the following code at the top in all my…
realnsleo
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Angular electron mysql create conncetion is not a function

I haveinstalled node js mysql and mysql types via "@types/mysql": "^2.15.4", "mysql": "^2.15.0" Am using electron with angular2 so in my component i wanted to create a conncection via import * as mysql from 'mysql' @Component({ selector:…
Geoff
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Use mysql with promises in node.js

I just followed the tutorial for authentication on node from scotch.io. They used mongodb as a backend, and I ported this to mysql. This is my first node app connecting to a database. I used bluebird to promisify the mysqljs/mysql package in…
Lorenz Meyer
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JS basic design when I have naturaly sync code but I need to call a few async functions

Could you please help me to understand javascirpt async hell? I think I am missing something important ☹ The thing is that js examples and most of the answers on the internet are related to just one part of code – a small snippet. But applications…
AZOR1984
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node mysql's connection pool query callbacks are never called

Has anyone run into an issue with mysql where pooled query callbacks are never called? I’m creating a pool and then using it to execute multiple queries like this: const mysql = require('mysql') const config = { mysql: {host: ..., user: ...,…
Chris Schmitz
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Store JSON using mysql module for Nodejs

I need to store a JSON in the column 'data' of this table: I tried to store a json but I receive errors, probably due to for quoting... connection.connect(); var query = 'INSERT INTO Forecasts (data, createdAt, updatedAt, OrchardId) VALUES…
gio
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Node.js server not returning response after certain requests

Recently I developed a rest api using nodejs, express , https and mysql to the production. This working good in start but after two to three days I started to get complains that server is not responding and requests returning time out most of the…
user3528954
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Connecting to MariaDB with nodejs over ssl with clear text password

I am trying to connect to mariadb instance over ssl, var mysql = require('mysql'); var conn = mysql.createConnection({ user: 'user', password: 'password', debug: true, port: '3306', host: "host", ssl: { "ca": ca …
Shashi Mishra
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node-mysql transaction is not rolling back after unique key violation

I'm testing node-mysql transactions in my application by performing an INSERT that will violate a UNIQUE key constraint, after first performing an UPDATE. While the INSERT fails, I find that the initial UPDATE is succeeding, despite the transaction…
littleK
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Node-Mysql Transaction rollback not working

js as well as mysql. I'm in trouble with transactions. In the function below i did exactly as they said here https://github.com/mysqljs/mysql#transactions. But its not working :| function insertMemoTransaction(){ …
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Prevent node.js process from dying on MySQL query error

I have a node.js script that runs a MySQL query. When error is encountered with this query, the node.js process dies. It uses the mysql-node module. https://github.com/mysqljs/mysql Here is my code; function runQuery() { return new…
user6064424
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Node.Js - no output from mysql connection

Sorry in advance - using nodejs for the first time.. I have installed nodejs and npm manager on linux machine. Through the npm I installed mysql module and now I try to test the mysql connection using the simple code. The problem is - no output is…
Alex
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When you call `release` instead `destroy` on connection?

I am asking about https://github.com/mysqljs/mysql . I am a bit puzzled what is the difference between destroy and release in practice. Consider such code: pool.getConnection(function(err, conn) { if (err) throw err; …
greenoldman
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NodeJS Async with mysql is confusing me

I am new to NodeJS. I have the following snippet. var connection = mysql.createConnection(dbConfig); connection.connect(function(err) { if (err) console.log("MySQL Connection Error: ", err); else console.log("Connection…
Hurricane Development
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