import psycopg2

DATABASE_URL = "postgresql://postgres.egkydqberhebzkqtltic:Isaac%23105*may%40@aws-1-us-east-1.pooler.supabase.com:5432/postgres"

def check_schema():
    conn = psycopg2.connect(DATABASE_URL)
    cur = conn.cursor()
    cur.execute("SELECT column_name FROM information_schema.columns WHERE table_name='devices';")
    cols = [r[0] for r in cur.fetchall()]
    print("Columnas en devices:", cols)
    cur.close()
    conn.close()

if __name__ == "__main__":
    check_schema()