原文:Sequelize-nodejs-11-Raw queries

Raw queries原始查询 就是使用了原始的查询语句,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 推荐指数:

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sequelize使用原生sql语句Raw Queries - 原始查询

  由于常常使用简单的方式来执行原始/已经准备好的SQL查询,因此可以使用 sequelize.query 方法.   默认情况下,函数将返回两个参数 - 一个结果数组,以及一个包含元数据(例如受影响的行数等)的对象. 请注意,由于这是一个原始查询,所以元数据都是具体的方言. 某些方言返回元数据 ...

Wed Aug 05 23:32:00 CST 2020 0 3901
Sequelize-nodejs-5-Querying

Querying查询 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事务 Sequelize supports two ways of using transactions: Sequelize支持两种使用transactions的方法 One which will automatically commit ...

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

项目 egg + sequelize + mysql2 项目结构 配置 安装模块 config/pulgin.js config/config.default.js 数据建模 ...

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

Model definition模型定义 To define mappings between a model and a table, use the define method.定义模型和表之间 ...

Thu Dec 06 00:26:00 CST 2018 0 912
关于 nodejs sequelize 事务批量拆分

sequelize执行事务的时候因为数据量可能会比较大要拆成100条update一组来执行,弄了半天终于可以了,代码片段如下 这里脱裤子放屁了,实际上Promise.all()返回的还是Promise,既然是Promise就可以继续放到Promise.all()里最后判断最终 ...

Wed Jun 13 03:23:00 CST 2018 0 1503
Sequelize-nodejs-10-Hooks

Hooks钩子 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迁移 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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