https://sequelize.org/v4/manual/installation/getting-started.html
user = await User.findOne()
console.log(user.get('firstName'));https://sequelize.org/v4/manual/installation/getting-started.html
user = await User.findOne()
console.log(user.get('firstName'));https://sequelize.org/v4/manual/installation/getting-started.html
sequelize
.authenticate()
.then(() => {
console.log('Connection has been established successfully.');
})
.catch(err => {
console.error('Unable to connect to the database:', err);
});https://sequelize.org/v4/manual/installation/getting-started.html
const sequelize = new Sequelize('connectionUri', {
define: {
timestamps: false // true by default
}
});
const User = sequelize.define('user', {}); // timestamps is false by default
const Post = sequelize.define('post', {}, {
timestamps: true // timestamps will now be true
});https://sequelize.org/v4/manual/installation/getting-started.html
// Using NPM
$ npm install --save sequelize
# And one of the following:
$ npm install --save pg pg-hstore
$ npm install --save mysql2
$ npm install --save sqlite3
$ npm install --save tedious // MSSQL
// Using Yarn
$ yarn add sequelize
# And one of the following:
$ yarn add pg pg-hstore
$ yarn add mysql2
$ yarn add sqlite3
$ yarn add tedious // MSSQLhttps://sequelize.org/v4/manual/installation/getting-started.html
const User = sequelize.define('user', {
firstName: {
type: Sequelize.STRING
},
lastName: {
type: Sequelize.STRING
}
});
// force: true will drop the table if it already exists
User.sync({force: true}).then(() => {
// Table created
return User.create({
firstName: 'John',
lastName: 'Hancock'
});
});https://sequelize.org/v4/manual/installation/getting-started.html
// DON'T DO THIS
user = User.findOne()
console.log(user.get('firstName'));https://sequelize.org/v4/manual/installation/getting-started.html
User.findOne().then(user => {
console.log(user.get('firstName'));
});https://sequelize.org/v4/manual/installation/getting-started.html
const Sequelize = require('sequelize');
const sequelize = new Sequelize('database', 'username', 'password', {
host: 'localhost',
dialect: 'mysql'|'sqlite'|'postgres'|'mssql',
operatorsAliases: false,
pool: {
max: 5,
min: 0,
acquire: 30000,
idle: 10000
},
// SQLite only
storage: 'path/to/database.sqlite'
});
// Or you can simply use a connection uri
const sequelize = new Sequelize('postgres://user:[email protected]:5432/dbname');https://sequelize.org/v4/manual/installation/getting-started.html
User.findAll().then(users => {
console.log(users)
})Copyright © 2021 Codeinu
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