const { Pool } = require('pg');
const pool = new Pool({ connectionString: 'postgresql://edumanager:EduManager2026!Seguro@150.230.87.131:5432/edumanager' });
async function run() {
  const { rows } = await pool.query('SELECT data FROM school_data LIMIT 1');
  const students = rows[0].data.students || [];
  let updated = 0;
  for (const s of students) {
    if (s.faceDescriptor && Array.isArray(s.faceDescriptor)) {
      await pool.query('UPDATE alunos SET face_descriptor = $1 WHERE id = $2', [JSON.stringify(s.faceDescriptor), s.id]);
      updated++;
    }
  }
  console.log('Total alunos atualizados com face_descriptor:', updated);
  await pool.end();
}
run().catch(console.error);