Query RSS Feeds as a MySQL Database in Node.js

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Execute MySQL queries against RSS feeds from Node.js.

You can use CData Connect Cloud to query RSS feeds through a MySQL interface. Follow the procedure below to create a virtual database for RSS in Connect Cloud and start querying using Node.js.

CData Connect Cloud provides a pure MySQL, cloud-to-cloud interface for RSS, allowing you to easily query live RSS feeds in Node.js — without replicating the data to a natively supported database. As you query data in Node.js, CData Connect Cloud pushes all supported SQL operations (filters, JOINs, etc) directly to RSS, leveraging server-side processing to quickly return RSS feeds.

Create a Virtual MySQL Database for RSS Feeds

CData Connect Cloud uses a straightforward, point-and-click interface to connect to data sources and generate APIs.

  1. Login to Connect Cloud and click Databases.
  2. Select "RSS" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to RSS.

    You can connect to RSS and Atom feeds, as well as feeds with custom extensions. To connect to a feed, set the URL property. You can also access secure feeds. A variety of authentication mechanisms are supported. See the help documentation for details.

  4. Click Test Database.
  5. Click Privileges -> Add and add the new user (or an existing user) with the appropriate permissions.

With the virtual database created, you are ready to connect to RSS feeds from any MySQL client.

Query RSS from Node.js

The following example shows how to define a connection and execute queries to RSS with the MySQL module. You will need the following information:

  • Host name, or address, and port: The address of your instance of the Connect Cloud (myinstance.cdatacloud.net) and the port (3306)
  • Username and password: The username and password of a user you authorized on Connect Cloud
  • Database name: The database you configured for RSS (rssdb)

Connect to RSS feeds and start executing queries with the code below:

var mysql      = require('mysql');
var fs         = require('fs');
var connection = mysql.createConnection({
  host     : 'myinstance.cdatacloud.net',
  database : 'rssdb',
  port	   : '3306',
  user     : 'admin',
  password : 'password',
  ssl      : {
    ca : fs.readFileSync('C:/certs/myCA.pem')
  }
});
connection.connect();
connection.query('SELECT * FROM Latest News', function(err, rows, fields) {
  if (err) throw err;
  console.log(rows);
});

connection.end();