Sequelize.js 提供对 MySQL，MariaDB，SQLite 和 PostgreSQL 数据库的简单访问，通过映射数据库条目到对象，或者对象到数据库条目。简而言之，就是 ORM（Object-Relational-Mapper）。Sequelize.js 完全是使用 JavaScript 编写，适用于 Node.js 的环境。 Sequelize 2.0.0 正式发布，此版本现已提供下载（ZIP），相比 Sequelize 2.0.0 RC8 更新内容如下： [BUG] 修复 field 支持 increment 和 decrement 相关问题 [FEATURE/BUG] Raw queries always return all results (including affected rows etc). This means you should change all promise listeners on sequelize.query to use .spread instead of .then, unless you are passing a query type. [BUG] Support for composite primary keys in upsert #3065 [BUG] Support for field in upsert [FEATURE] 支持在 MySQL 中设置一个初始自动增长选项 #3076 [FEATURE] 测试覆盖 Node.js 0.12 和 io.js 1.x 向后兼容改进： The default query type for sequelize.query is now RAW - this means that two arguments (results and metadata) will be returned by default and you should use .spread The 4th argument to sequelize.query has been deprecated in favor of options.replacements Sequelize 2.0.0 完整改进内容请看更新日志。 Sequelize 2.0.0 正式发布！下载地址
