@neondatabase/serverless

What is @neondatabase/serverless?

@neondatabase/serverless is an npm package designed to facilitate serverless interactions with Neon, a serverless PostgreSQL database. It provides a set of tools and utilities to connect, query, and manage PostgreSQL databases in a serverless environment, making it easier to build scalable and efficient applications.

What are @neondatabase/serverless's main functionalities?

Connecting to a Neon Database

This feature allows you to establish a connection to a Neon database using the provided connection string. The code sample demonstrates how to create a new client instance and connect to the database.

const { Client } = require('@neondatabase/serverless');

const client = new Client({
  connectionString: process.env.NEON_DATABASE_URL,
});

async function connect() {
  await client.connect();
  console.log('Connected to Neon Database');
}

connect();

Executing SQL Queries

This feature allows you to execute SQL queries against the connected Neon database. The code sample demonstrates how to connect to the database, execute a SELECT query, and log the results.

const { Client } = require('@neondatabase/serverless');

const client = new Client({
  connectionString: process.env.NEON_DATABASE_URL,
});

async function executeQuery() {
  await client.connect();
  const res = await client.query('SELECT * FROM users');
  console.log(res.rows);
  await client.end();
}

executeQuery();

Handling Transactions

This feature allows you to handle transactions in the Neon database. The code sample demonstrates how to begin a transaction, execute an insert query, commit the transaction, and handle errors by rolling back the transaction if necessary.

const { Client } = require('@neondatabase/serverless');

const client = new Client({
  connectionString: process.env.NEON_DATABASE_URL,
});

async function handleTransaction() {
  await client.connect();
  try {
    await client.query('BEGIN');
    await client.query('INSERT INTO users(name) VALUES($1)', ['John Doe']);
    await client.query('COMMIT');
    console.log('Transaction committed');
  } catch (e) {
    await client.query('ROLLBACK');
    console.error('Transaction rolled back', e);
  } finally {
    await client.end();
  }
}

handleTransaction();

Other packages similar to @neondatabase/serverless

pg

The 'pg' package is a popular PostgreSQL client for Node.js. It provides a comprehensive set of features for connecting to and interacting with PostgreSQL databases. Compared to @neondatabase/serverless, 'pg' is more general-purpose and widely used, but it may require additional configuration for serverless environments.

knex

The 'knex' package is a SQL query builder for Node.js, supporting multiple database types including PostgreSQL. It provides a flexible and powerful API for building and executing SQL queries. While 'knex' offers more advanced query building capabilities, it is not specifically tailored for serverless environments like @neondatabase/serverless.

sequelize

The 'sequelize' package is a promise-based Node.js ORM for various SQL databases, including PostgreSQL. It provides a higher-level abstraction for database interactions, including model definitions and associations. Compared to @neondatabase/serverless, 'sequelize' offers more features for complex data modeling but may introduce additional overhead for simple use cases.

README

The README file is missing