from database import TradeDB
db = TradeDB()
try:
    row = db.conn.execute("SELECT env_value FROM env_config WHERE env_key='LS_WS_MAX_SUBSCRIPTIONS'").fetchone()
    print("현재 DB 값:", dict(row) if row else "없음 (기본 100 적용중)")
    
    db.conn.execute(
        "INSERT INTO env_config (env_key, env_value) VALUES ('LS_WS_MAX_SUBSCRIPTIONS', '400') "
        "ON DUPLICATE KEY UPDATE env_value='400'"
    )
    db.conn.commit()
    print("DB 값 400으로 업데이트 완료.")
except Exception as e:
    print("Error:", e)
finally:
    db.close()