The seed function can now accept Drizzle Relations objects and treat them as foreign key constraints
// schema.ts
import { integer, serial, text, pgTable } from 'drizzle-orm/pg-core';
import { relations } from 'drizzle-orm';
export const users = pgTable('users', {
id: serial('id').primaryKey(),
name: text('name').notNull(),
});
export const usersRelations = relations(users, ({ many }) => ({
posts: many(posts),
}));
export const posts = pgTable('posts', {
id: serial('id').primaryKey(),
content: text('content').notNull(),
authorId: integer('author_id').notNull(),
});
export const postsRelations = relations(posts, ({ one }) => ({
author: one(users, { fields: [posts.authorId], references: [users.id] }),
}));// index.ts
import { seed } from "drizzle-seed";
import * as schema from './schema.ts'
async function main() {
const db = drizzle(process.env.DATABASE_URL!);
await seed(db, schema);
}
main();