我在 Xeround 上试验 SQLAlchemy:
>>> from sqlalchemy import create_engine
>>> engine = create_engine("mysql://user:pass@instance0000.db.xeround.com.:1234/app000000")
>>> engine.execute("SELECT USER()").scalar()
>>> exit()
我这样做了几次。然后我检查了我的 Xeround 管理仪表板,它显示了 2 个连接。那是在我了解以下内容之前:
>>> engine = create_engine("mysql://user:pass@instance0000.db.xeround.com.:1234/app000000")
>>> conn = engine.connect() # dashboard shows 3 connections
>>> conn.close() # dashboard still shows 3 connections
>>> exit() # after exiting, dashboard shows 2 connections
如何强制 Xeround 关闭剩余的 2 个连接(例如,原谅我忘记关闭它们)?