Querying查詢 Attributes To select only some attributes, you can use the attributes option. Most ofte ...
Hooks鈎子 Hooks also known as lifecycle events , are functions which are called before and after calls in sequelize are executed. For example, if you want to always set a value on a model before saving ...
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Querying查詢 Attributes To select only some attributes, you can use the attributes option. Most ofte ...
Transactions事務 Sequelize supports two ways of using transactions: Sequelize支持兩種使用transactions的方法 One which will automatically commit ...
項目 egg + sequelize + mysql2 項目結構 配置 安裝模塊 config/pulgin.js config/config.default.js 數據建模 ...
Model definition模型定義 To define mappings between a model and a table, use the define method.定義模型和表之間 ...
sequelize執行事務的時候因為數據量可能會比較大要拆成100條update一組來執行,弄了半天終於可以了,代碼片段如下 這里脫褲子放屁了,實際上Promise.all()返回的還是Promise,既然是Promise就可以繼續放到Promise.all()里最后判斷最終 ...
Migrations遷移 Just like you use Git / SVN to manage changes in your source code, you can use migrati ...
Nodejs ORM框架Sequelize快速入門 什么是ORM? 簡單的講就是對SQL查詢語句的封裝,讓我們可以用OOP的方式操作數據庫,優雅的生成安全、可維護的SQL代碼。直觀上,是一種Model和SQL的映射關系。 那么什么是Sequelize? Sequelize是一款 ...
## 使用基於ORM架構的sequelize操縱數據庫 ### 1、技術背景 ```Sequelize是一個基於promise的關系型數據庫ORM框架,*********************技術文檔https://blog.csdn.net/lisemi/article/details ...