原理说明

• 异步编程基础
  • 一个经典场景
  • 协作式多任务处理
  • 异步I/O的利弊
• 引擎与连接
  • Creating Engines
  • Managing Connections
    • reuse
    • lazy
    • reusable
    • current_connection
  • Executing Queries
  • Implicit Execution
• 为什么要用异步 ORM？
  • When asyncio Helps
  • How to Access Database
  • Asynchronous ORM Done Right
    • Don't Starve.
    • Be explicit.
    • Be productive.