蠕虫:Node.js的只读ORM-源码

上传者: 42138525 | 上传时间: 2021-01-30 23:04:48 | 文件大小: 62KB | 文件类型: ZIP
游泳 一个非常轻量级的只写Node.js ORM,它支持: Microsoft SQL Server(MSSQL) PostgreSQL MySQL Oracle数据库 SQLite 3 浏览器Web SQL 变更日志 参见 NPM npm install sworm 然后安装数据库驱动程序,其中之一: npm install mssql npm install pg npm install mysql npm install oracledb npm install sqlite3 无需安装用于Web SQL的驱动程序,sworm将从window对象中将其拾取。 请参阅NPM中的 。 只写? 该模块中的功能主要用于编写相关实体的图。 另一方面,查询是通过原始SQL完成的,因此您可以快速完成查询。 有关详细信息,请参见 。 该ORM避免了其他ORM遇到的一些最大的问题: 查询性能太不透明 N + 1个查询通常是默认设置 配置急切和延迟加载非常棘手 一对多,多对一,多对多关系众所周知很难解决 会话和身份映射的生命周期管理很少令人愉快 查看大量生成SQL语句! 只需

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