Query Twitter Data through ODBC in Node.js

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Twitter ODBC Driver

The Twitter ODBC Driver is a powerful tool that allows you to connect with live data from Twitter, directly from any applications that support ODBC connectivity.

With the Twitter ODBC Driver accessing live Tweets, Followers, Messages, Searches, etc. is as easy as querying a database.



Use node-odbc to execute SQL queries against Twitter 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 Twitter, you can access live Twitter 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 Twitter data.

With built-in optimized data processing, the CData ODBC Driver offers unmatched performance for interacting with live Twitter data in Node.js. When you issue complex SQL queries from Node.js to Twitter, the driver pushes supported SQL operations, like filters and aggregations, directly to Twitter and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations).

Connecting to Twitter 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.

All tables require authentication. You can connect using your User and Password or OAuth. To authenticate using OAuth, you can use the embedded OAuthClientId, OAuthClientSecret, and CallbackURL or you can register an app to obtain your own.

If you intend to communicate with Twitter only as the currently authenticated user, then you can obtain the OAuthAccessToken and OAuthAccessTokenSecret directly by registering an app.

See the Getting Started chapter in the help documentation for a guide to using OAuth.

Building node-odbc

In order to connect to Twitter 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 Twitter from Node.js

With the ODBC Driver installed, a DSN Configured, and node-odbc built, we are ready to query live Twitter data from a Node.js app. The sample code below connects to a specific DSN and queries the Tweets table.

myscript.js

const odbc = require('odbc');

async function queryTwitter() {
    const connection = await odbc.connect(`DSN=CData Twitter Source`);
    const data = await connection.query('SELECT From_User_Name, Retweet_Count FROM Tweets');
    console.log(data);
}

queryTwitter();

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 Twitter and start working with your live Twitter data in Node.js. Reach out to our Support Team if you have any questions.