ScyllaDB Docs ScyllaDB Node.js Driver Getting Started

Getting Started¶

This page will guide you through installing the Node.js RS Driver and executing your first statements against ScyllaDB.

Installation¶

Install the driver using npm:

npm install @scylladb/driver

Supported architectures: Linux x86_64 and Linux ARM.

Connecting to ScyllaDB¶

Create a Client instance and connect to your ScyllaDB cluster:

const { Client } = require('@scylladb/driver');

(async () => {
  const client = new Client({
    contactPoints: ['127.0.0.1'],
    localDataCenter: 'datacenter1',
  });

  await client.connect();
  console.log('Connected to ScyllaDB');
})();

For connecting with authentication, see the Authentication page.

Executing a Statement¶

Once connected, you can execute CQL statements. It is strongly recommended to use prepared statements for repeated operations, as they improve performance and enable advanced load balancing:

// Prepared statement (recommended for repeated execution)
const result = await client.execute(
  'SELECT keyspace_name FROM system_schema.keyspaces',
  [],
  { prepare: true }
);

for (const row of result.rows) {
  console.log(row['keyspace_name']);
}

For a detailed overview of statement types and best practices, see Executing CQL statements.

Full Example: Create Table and Insert Data¶

The following example creates a keyspace and table, inserts a row, and reads it back:

const { Client, types } = require('@scylladb/driver');

async function main() {
  const client = new Client({
    contactPoints: ['127.0.0.1'],
    localDataCenter: 'datacenter1',
  });

  await client.connect();

  // Create a keyspace
  await client.execute(
    `CREATE KEYSPACE IF NOT EXISTS examples
     WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1': 1}`
  );

  // Create a table
  await client.execute(
    `CREATE TABLE IF NOT EXISTS examples.basic (
       id uuid PRIMARY KEY,
       name text,
       value int
     )`
  );

  // Insert a row using a prepared statement
  const id = types.Uuid.random();
  await client.execute(
    'INSERT INTO examples.basic (id, name, value) VALUES (?, ?, ?)',
    [id, 'Hello, ScyllaDB!', 42],
    { prepare: true }
  );

  // Read the row back
  const result = await client.execute(
    'SELECT id, name, value FROM examples.basic WHERE id = ?',
    [id],
    { prepare: true }
  );

  const row = result.first();
  console.log(`id: ${row['id']}, name: ${row['name']}, value: ${row['value']}`);

  await client.shutdown();
}

main().catch(console.error);

Next Steps¶

Executing CQL statements - best practices - Learn about prepared, unprepared, and batch statements
Fetching large result sets - Page through large query results efficiently
Load balancing - Configure how the driver routes requests
Authentication - Connect with credentials or SSL
Migration guide - Migrating from the Apache cassandra-driver
Examples - More complete usage examples

Was this page helpful?