Type errors with database connection

import { drizzle } from "drizzle-orm/node-postgres"

const db = drizzle(process.env.DATABASE_URL);
const pool = db.$client;

import { drizzle } from "drizzle-orm/node-postgres";
import { Pool } from "pg";
const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
});
const db = drizzle({ client: pool });

const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
})

const db = drizzle(pool, { schema: schema })