const { Pool } = require('pg');

async function run() {
  const pool = new Pool({ connectionString: 'postgresql://postgres:postgres@localhost:5432/xflow' });
  const res = await pool.query('SELECT id, username FROM "User"');
  console.log(JSON.stringify(res.rows, null, 2));
  
  // Also change owner of all canvases to the first non-system user
  const realUser = res.rows.find(u => u.username !== 'system');
  if (realUser) {
    await pool.query('UPDATE "Canvas" SET "ownerId" = $1', [realUser.id]);
    console.log('Ownership of all canvases transferred to:', realUser.username);
  }
  
  await pool.end();
}

run().catch(console.error);