Drizzle ORM

Drizzle ORM

TypeScript ORM that feels like writing SQL.
GitHub
15.2k
Created 2 years ago, last commit 2 days ago
65 contributors
1.44k commits
Stars added on GitHub, month by month
N/A
N/A
12
1
2
3
4
5
6
7
8
9
10
11
2022
2023
Stars added on GitHub, per day, on average
Yesterday
+13
Last week
+22.3 /day
Last month
+23.9 /day
Package on NPM
Monthly downloads on NPM
N/A
12
1
2
3
4
5
6
7
8
9
10
11
2022
2023
No dependencies
README

Drizzle ORM is a TypeScript ORM for SQL databases designed with maximum type safety in mind. It comes with a drizzle-kit CLI companion for automatic SQL migrations generation. Drizzle ORM is meant to be a library, not a framework. It stays as an opt-in solution all the time at any levels. The ORM's main philosophy is "If you know SQL, you know Drizzle ORM". We follow the SQL-like syntax whenever possible, are strongly typed ground up, and fail at compile time, not in runtime.

Drizzle ORM is being battle-tested on production projects by multiple teams šŸš€ Give it a try and let us know if you have any questions or feedback on Discord.

Features

  • Full type safety
  • Smart automated migrations generation
  • No ORM learning curve
  • SQL-like syntax for table definitions and queries
  • Best in class fully typed joins
  • Fully typed partial and non-partial selects of any complexity
  • Auto-inferring of TS types for DB models for selections and insertions separately
  • Zod schema generation
  • Zero dependencies

Documentation

Check the full documentation on the website

Supported databases

Database Support
PostgreSQL āœ… Docs
MySQL āœ… Docs
SQLite āœ… Docs
Cloudflare D1 āœ… Docs Website
libSQL āœ… Docs Website
Turso āœ… Docs Website
PlanetScale āœ… Docs Website
Neon āœ… Docs Website
Vercel Postgres āœ… Docs Website
Supabase āœ… Docs Website
DynamoDB ā³
MS SQL ā³
CockroachDB ā³

Our sponsors ā¤ļø

Installation

npm install drizzle-orm
npm install -D drizzle-kit

Feature showcase (PostgreSQL)

Note: don't forget to install pg and @types/pg packages for this example to work.

import { drizzle } from 'drizzle-orm/node-postgres';
import { integer, pgTable, serial, text, timestamp, varchar } from 'drizzle-orm/pg-core';
import { InferModel, eq, sql } from 'drizzle-orm';
import { Pool } from 'pg';

export const users = pgTable('users', {
  id: serial('id').primaryKey(),
  fullName: text('full_name').notNull(),
  phone: varchar('phone', { length: 20 }).notNull(),
  role: text('role', { enum: ['user', 'admin'] }).default('user').notNull(),
  cityId: integer('city_id').references(() => cities.id),
  createdAt: timestamp('created_at').defaultNow().notNull(),
  updatedAt: timestamp('updated_at').defaultNow().notNull(),
});

export type User = InferModel<typeof users>;
export type NewUser = InferModel<typeof users, 'insert'>;

export const cities = pgTable('cities', {
  id: serial('id').primaryKey(),
  name: text('name').notNull(),
});

export type City = InferModel<typeof cities>;
export type NewCity = InferModel<typeof cities, 'insert'>;

const pool = new Pool({
  connectionString: 'postgres://user:password@host:port/db',
});

const db = drizzle(pool);

// Insert
const newUser: NewUser = {
  fullName: 'John Doe',
  phone: '+123456789',
};
const insertedUsers /* : User[] */ = await db.insert(users).values(newUser).returning();
const insertedUser = insertedUsers[0]!;

const newCity: NewCity = {
  name: 'New York',
};
const insertedCities /* : City[] */ = await db.insert(cities).values(newCity).returning();
const insertedCity = insertedCities[0]!;

// Update
const updateResult /* : { updated: Date }[] */ = await db.update(users)
  .set({ cityId: insertedCity.id, updatedAt: new Date() })
  .where(eq(users.id, insertedUser.id))
  .returning({ updated: users.updatedAt });

// Select
const allUsers /* : User[] */ = await db.select().from(users);

// Select custom fields
const upperCaseNames /* : { id: number; name: string }[] */ = await db
  .select({
    id: users.id,
    name: sql<string>`upper(${users.fullName})`,
  })
  .from(users);

// Joins
// You wouldn't BELIEVE how SMART the result type is! šŸ˜±
const allUsersWithCities = await db
  .select({
    id: users.id,
    name: users.fullName,
    city: {
      id: cities.id,
      name: cities.name,
    },
  })
  .from(users)
  .leftJoin(cities, eq(users.cityId, cities.id));

// Delete
const deletedNames /* : { name: string }[] */ = await db.delete(users)
  .where(eq(users.id, insertedUser.id))
  .returning({ name: users.fullName });

See full docs for further reference: