Dialect-Specific Things Underlying Connector Libraries MySQL MariaDB SQLite PostgreSQL MSSQL MSSQL Domain Account Data type: TIMESTAMP WITHOUT TIME ZONE - PostgreSQL only D...

TypeScript 安装 使用 使用非严格类型 使用 sequelize.define TypeScript 从 v5 开始,Sequelize 提供了自己的 TypeScript 定义. 请注意,仅支持 TS >= 3.1. 由于 Sequelize 严重依赖于运行时属性分配,因此 TypeScript 在开箱即用时不会很有用. 为...

Model Querying - Basics Simple INSERT queries Simple SELECT queries Specifying attributes for SELECT queries Applying WHERE clauses The basics Operators Shorthand syntax for Op...

Isolation levels Isolation levels The possible isolations levels to use when starting a transaction: Sequelize . Transaction . ISOLATION_LEVELS . READ_UNCOMMITTED // "READ UN...

建立连接 注意: 设置 SQLite 注意: 连接池 (生产环境) 建立连接 要连接到数据库,你必须创建 Sequelize 实例. 这可以通过将连接参数分别传递给 Sequelize 构造函数或传递单个连接 URI 来完成: const Sequelize = require ( 'sequelize' ); //方法1:单...

Raw Queries “Dotted” attributes and the nest option Replacements Bind Parameter Raw Queries As there are often use cases in which it is just easier to execute raw / already...

Constraints & Circularities - 约束 & 循环 不受限制地强制执行外键引用 Constraints & Circularities - 约束 & 循环 在表之间添加约束意味着使用 sequelize.sync 时必须在数据库中以一定顺序创建表. 如果 Task 具有对 User 的引用,则必须先创建 User ...

Migrate 初始化 查看如何创建一个模型 定义一下关系 解决无法关联的问题 再次修改并，保存一下联系 seeder 填充 Migrate 首先安装以下工具 （工具不提供 ts 支持） npm install - g sequelize - cli mkdir models && cd models npm init...

Working with legacy tables Tables Fields Primary keys Foreign keys Working with legacy tables While out of the box Sequelize will seem a bit opinionated it's trivial to bot...

Tables Fields Primary keys Foreign keys While out of the box Sequelize will seem a bit opinionated it's trivial to both legacy and forward proof your application by defining ...