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A Node.js Koa wrapper for felixge/node-mysql based off of sidorares/mysql-co.
First, install the package using npm:
npm install koa-mysql --save
Then, execute a query within a Koa middleware function using the following code:
var mysql = require('koa-mysql');
// Create a MySQL connection pool (do this once)
var db = mysql.createPool({ user: 'root', password: '', database: 'test', host: 'localhost' });
// Execute a sample query (with params)
var rows = yield db.query("select ? + ? as test", [1, 2]);
// Output test result (3)
this.body = { test: rows[0].test };
Here's a more complete example that includes creating a basic Koa app and executing a query (also available in examples/query.js
):
var koa = require('koa');
var mysql = require('koa-mysql');
// Create a MySQL connection pool (do this once)
var db = mysql.createPool({ user: 'root', password: '', database: 'test', host: 'localhost' });
// Create sample app
var app = koa();
// Run sample app
app.use(function* () {
try {
// Execute a sample query (with params)
var rows = yield db.query("select ? + ? as test", [1, 2]);
// Output test result (3)
this.body = { test: rows[0].test };
}
catch (err) {
// 500 Internal Server Error
this.status = 500;
this.body = { error: err };
}
});
// HTTP port
var port = process.env.PORT || 3000;
// Listen for connections
app.listen(port);
// Log port
console.log('Server listening on port ' + port);
Run the script and visit http://localhost:3000/ to test it out. The server should return { test: 3 }
.
Apache 2.0
FAQs
A Koa wrapper for felixge/node-mysql.
The npm package koa-mysql receives a total of 8 weekly downloads. As such, koa-mysql popularity was classified as not popular.
We found that koa-mysql demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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