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

const pool = new Pool({
    user: 'enwelo_admin',
    host: '87.106.21.21',
    database: 'enwelo',
    password: 'WX1t1cgP1qK09',
    port: 5432,
    ssl: false
});

async function run() {
  try {
    const res = await pool.query("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'geodaten' AND table_name = 'potentialflächen_wind';");
    console.log('Columns:', res.rows);
    
    // Check if projekt_id exists in columns
    const hasProjektId = res.rows.some(r => r.column_name === 'projekt_id');
    if (hasProjektId) {
        const dataRes = await pool.query('SELECT DISTINCT projekt_id FROM geodaten."potentialflächen_wind";');
        console.log('Projects:', dataRes.rows);
    } else {
        console.log('No projekt_id column found.');
    }
  } catch(e) {
    console.error('Fehler:', e);
  } finally {
    await pool.end();
  }
}
run();