Query Azure Analysis Services Data as a MySQL Database in Node.js

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CData Connect



Execute MySQL queries against Azure Analysis Services data from Node.js.

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

CData Connect Cloud provides a pure MySQL, cloud-to-cloud interface for Azure Analysis Services, allowing you to easily query live Azure Analysis Services data 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 Azure Analysis Services, leveraging server-side processing to quickly return Azure Analysis Services data.

Create a Virtual MySQL Database for Azure Analysis Services Data

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 "Azure Analysis Services" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to Azure Analysis Services.

    To connect to Azure Analysis Services, set the Url property to a valid server, for instance, asazure://southcentralus.asazure.windows.net/server, in addition to authenticating. Optionally, set Database to distinguish which Azure database on the server to connect to.

    Azure Analysis Services uses the OAuth authentication standard. OAuth requires the authenticating user to interact with Azure Analysis Services using the browser. You can connect without setting any connection properties for your user credentials. See the Help documentation for more information.

  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 Azure Analysis Services data from any MySQL client.

Query Azure Analysis Services from Node.js

The following example shows how to define a connection and execute queries to Azure Analysis Services 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 Azure Analysis Services (azureanalysisservicesdb)

Connect to Azure Analysis Services data 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 : 'azureanalysisservicesdb',
  port	   : '3306',
  user     : 'admin',
  password : 'password',
  ssl      : {
    ca : fs.readFileSync('C:/certs/myCA.pem')
  }
});
connection.connect();
connection.query('SELECT * FROM Customer', function(err, rows, fields) {
  if (err) throw err;
  console.log(rows);
});

connection.end();