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.js 2.0.0 RC6 发布，此版本更新内容如下： [BUG] Fixed issue with including by association reference and where 之前几个小时还发布了 Sequelize.js 2.0.0 RC5 ： [BUG] Fixed issue with subquery creating include.where and a paranoid main model.#2749/#2769 UniqueConstraintErrors will now extend from ValidationError making it possible to catch both with .catch(ValidationError) [FEATURE] Adds {save: false} for belongsTo relationship setters. user.setOrganization(organization, {save: false}) will then only set the foreign key value, but not trigger a save on user. [FEATURE] When updating an instance _previousDataValues will now be updated after afterUpdate hooks have been run rather than before allowing you to use changed in afterUpdate [BUG] Sequelize will no longer fail on a postgres constraint error not defined by Sequelize [FEATURE] It's now possible to pass an association reference to include. var Owner = Company.belongsTo(User, {as: 'owner'}; Company.findOne({include: [Owner]}); 向后兼容改进 When updating an instance _previousDataValues will now be updated after afterUpdate hooks have been run rather than before allowing you to use changed in afterUpdate Sequelize.js 2.0.0 RC6 发布下载地址
