原文:Sequelize-nodejs-11-Raw queries

Raw queries原始查詢 就是使用了原始的查詢語句,如UPDATE users SET y WHERE x As there are often use cases in which it is just easier to execute raw already prepared SQL queries, you can utilize the functionsequelize.quer ...

2018-12-05 16:24 0 873 推薦指數:

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sequelize使用原生sql語句Raw Queries - 原始查詢

  由於常常使用簡單的方式來執行原始/已經准備好的SQL查詢,因此可以使用 sequelize.query 方法.   默認情況下,函數將返回兩個參數 - 一個結果數組,以及一個包含元數據(例如受影響的行數等)的對象. 請注意,由於這是一個原始查詢,所以元數據都是具體的方言. 某些方言返回元數據 ...

Wed Aug 05 23:32:00 CST 2020 0 3901
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
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
 
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