https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
const Sequelize = require('sequelize');
const Promise = require('bluebird');
const clsBluebird = require('cls-bluebird');
const cls = require('continuation-local-storage');
const ns = cls.createNamespace('transaction-namespace');
clsBluebird(ns, Promise);
Sequelize.useCLS(ns);https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
const Model = sequelize.define('Model', {
...
}, {
classMethods: {
associate: function (model) {...}
},
instanceMethods: {
someMethod: function () { ...}
}
});https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
user.addProject(project, { through: { status: 'started' } });https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
pool: {
idle: 30000,
min: 20,
max: 30
}https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
user.findOne({
include: {
model: project,
include: {
model: task,
required: true
}
}
});https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
const Model = sequelize.define('Model', {
...
});
// Class Method
Model.associate = function (models) {
...associate the models
};
// Instance Method
Model.prototype.someMethod = function () {..}https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
pool: {
maxIdleTime: 30000,
minConnections: 20,
maxConnections: 30
}https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
$ npm install --save cls-bluebirdhttps://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
references: {
key: '',
model: ''
}https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
function propagateRequired(modelDescriptor) {
let include = modelDescriptor.include;
if (!include) return false;
if (!Array.isArray(include)) include = [include];
return include.reduce((isRequired, descriptor) => {
const hasRequiredChild = propogateRequired(descriptor);
if ((descriptor.where || hasRequiredChild) && descriptor.required === undefined) {
descriptor.required = true;
}
return descriptor.required || isRequired;
}, false);
}
const sequelize = new Sequelize(..., {
...,
define: {
hooks: {
beforeFind: propagateRequired
}
}
});Copyright © 2021 Codeinu
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