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postgres

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postgres

Fastest full featured PostgreSQL client for Node.js

  • 3.0.2
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
426K
increased by6.34%
Maintainers
1
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What is postgres?

The 'postgres' npm package is a modern, high-performance PostgreSQL client for Node.js. It provides a simple and efficient way to interact with PostgreSQL databases, supporting both basic and advanced database operations.

What are postgres's main functionalities?

Connecting to a Database

This feature allows you to establish a connection to a PostgreSQL database using a connection string.

const postgres = require('postgres');
const sql = postgres('postgres://username:password@localhost:5432/mydatabase');

Executing Queries

You can execute SQL queries using tagged template literals, which helps in preventing SQL injection attacks.

const result = await sql`SELECT * FROM users WHERE id = ${userId}`;

Parameterized Queries

This feature allows you to use parameterized queries to safely pass variables into your SQL statements.

const result = await sql`SELECT * FROM users WHERE age > ${age}`;

Transactions

You can perform multiple database operations within a transaction to ensure atomicity.

await sql.begin(async sql => {
  await sql`INSERT INTO users (name) VALUES (${name})`;
  await sql`INSERT INTO profiles (user_id, bio) VALUES (${userId}, ${bio})`;
});

Connection Pooling

The package supports connection pooling to manage multiple database connections efficiently.

const sql = postgres({
  host: 'localhost',
  port: 5432,
  username: 'username',
  password: 'password',
  database: 'mydatabase',
  max: 10 // maximum number of connections in the pool
});

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Package last updated on 31 Mar 2022

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