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Get the Report →Query Phoenix Data through ODBC in Node.js
Use node-odbc to execute SQL queries against Phoenix data from Node.js.
Node.js is a JavaScript runtime environment that allows you to run JavaScript code outside of a browser. With the CData ODBC Driver for Phoenix, you can access live Phoenix data from Node.js apps and scripts. In this article, we walk through installing node-odbc and the required tools to create a simple Node.js app with access to live Phoenix data.
With built-in optimized data processing, the CData ODBC Driver offers unmatched performance for interacting with live Phoenix data in Node.js. When you issue complex SQL queries from Node.js to Phoenix, the driver pushes supported SQL operations, like filters and aggregations, directly to Phoenix and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations).
Connecting to Phoenix Data
If you have not already done so, provide values for the required connection properties in the data source name (DSN). You can use the built-in Microsoft ODBC Data Source Administrator to configure the DSN. This is also the last step of the driver installation. See the "Getting Started" chapter in the help documentation for a guide to using the Microsoft ODBC Data Source Administrator to create and configure a DSN.
Connect to Apache Phoenix via the Phoenix Query Server. Set the Server and Port (if different from the default port) properties to connect to Apache Phoenix. The Server property will typically be the host name or IP address of the server hosting Apache Phoenix.
Authenticating to Apache Phoenix
By default, no authentication will be used (plain). If authentication is configured for your server, set AuthScheme to NEGOTIATE and set the User and Password properties (if necessary) to authenticate through Kerberos.
Building node-odbc
In order to connect to Phoenix through the CData ODBC Driver, you need to build node-odbc manually (after installing the required tools).
Installing the Required Tools
The following commands install the tools required to build node-odbc (note the -g parameter, which installs the tools globally).
npm i -g windows-build-tools npm i -g node-gyp
Building node-odbc
After installing the required tools, create a directory for the Node.js app and install odbc (which builds the binary for us to use in our Node.js script).
mkdir nodeodbc cd nodeodbc npm i -g node
Querying Phoenix from Node.js
With the ODBC Driver installed, a DSN Configured, and node-odbc built, we are ready to query live Phoenix data from a Node.js app. The sample code below connects to a specific DSN and queries the MyTable table.
myscript.js
const odbc = require('odbc'); async function queryApachePhoenix() { const connection = await odbc.connect(`DSN=CData ApachePhoenix Source`); const data = await connection.query('SELECT Id, Column1 FROM MyTable'); console.log(data); } queryApachePhoenix();
Once you write the app, use node to execute the script:
node myscript.js

Download a free, 30-day trial of the CData ODBC Driver for Phoenix and start working with your live Phoenix data in Node.js. Reach out to our Support Team if you have any questions.