import postgres from 'postgres';

if (!process.env.DB_URL) throw new Error('DB_URL is required');
const client = postgres(process.env.DB_URL, { max: 1 });
try {
	const [row] = await client`select current_setting('server_version_num')::integer as version`;
	console.log(row.version);
} finally {
	await client.end();
}