原文:Sequelize-nodejs-10-Hooks

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 ...

2018-12-05 16:25 0 671 推薦指數:

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Sequelize-nodejs-5-Querying

Querying查詢 Attributes To select only some attributes, you can use the attributes option. Most ofte ...

Thu Dec 06 00:26:00 CST 2018 0 2656
Sequelize-nodejs-8-Transactions

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 ...

Thu Dec 06 00:25:00 CST 2018 0 969
egg-sequelize --- nodejs

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 ...

Tue Dec 11 00:51:00 CST 2018 0 1232
Sequelize-nodejs-3-model definition

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 ...

Thu Dec 06 00:26:00 CST 2018 0 912
關於 nodejs sequelize 事務批量拆分

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 ...

Wed Jun 13 03:23:00 CST 2018 0 1503
Sequelize-nodejs-12-Migrations

Migrations遷移 Just like you use Git / SVN to manage changes in your source code, you can use migrati ...

Thu Dec 06 00:24:00 CST 2018 0 2506
Nodejs ORM框架Sequelize快速入門

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SequelizeSequelize是一款 ...

Sat Jan 05 04:07:00 CST 2019 0 2085
基於Nodejssequelize操縱數據庫

## 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 ...

Sat Aug 29 00:15:00 CST 2020 0 567
 
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