原文:Sequelize-nodejs-12-Migrations

Migrations遷移 Just like you use Git SVN to manage changes in your source code, you can use migrations to keep track of changes to the database. With migrations you can transfer your existing database i ...

2018-12-05 16:24 0 2506 推薦指數:

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Sequelize 學習筆記(11)- Migrations 遷移

一、作用 類似 git 管理源代碼 一樣,維護你的 DB。 二、安裝 npm install --save sequelize-cli 三、使用 1、構建項目時 node_modules/.bin/sequelize init 會創建以下四個文件夾: config ...

Tue Nov 20 02:22:00 CST 2018 0 2471
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-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 ...

Thu Dec 06 00:25:00 CST 2018 0 671
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
 
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