sequelize.js

问题 I have four models. namely images restaurant_items restaurant item images.belongsTo (restaurant_items) Which means I can get all the restaurant_items table details associated with the image like this, const all_approved_images = await db.images.findAll({ where: { status: "approved" }, include: ['res_item'] }) But I want to get the ITEM TABLE AND RESTAURANT TABLE details at the same time restaurant_items belongs to restaurant restaurant_items belongs to item I tried this const all_approved

问题 I have four models. namely images restaurant_items restaurant item images.belongsTo (restaurant_items) Which means I can get all the restaurant_items table details associated with the image like this, const all_approved_images = await db.images.findAll({ where: { status: "approved" }, include: ['res_item'] }) But I want to get the ITEM TABLE AND RESTAURANT TABLE details at the same time restaurant_items belongs to restaurant restaurant_items belongs to item I tried this const all_approved

问题 I have two sequelize models with one-to-many relationship. Let's call them Owner and Property. Assume they are defined using the sails-hook-sequelize as such (simplified). //Owner.js module.exports = { options: { tableName: 'owner' }, attributes: { id: { type: Sequelize.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true }, name: { type: Sequelize.STRING(255) }, associations: function () { Owner.hasMany(Property, { foreignKey: { name: 'owner_id' } }); } } //Property.js module

问题 I have two sequelize models with one-to-many relationship. Let's call them Owner and Property. Assume they are defined using the sails-hook-sequelize as such (simplified). //Owner.js module.exports = { options: { tableName: 'owner' }, attributes: { id: { type: Sequelize.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true }, name: { type: Sequelize.STRING(255) }, associations: function () { Owner.hasMany(Property, { foreignKey: { name: 'owner_id' } }); } } //Property.js module

问题 When I build the container of the project with this command: sudo docker build -t PROJECT_NAME . And then I download the mysql's image through this Docker-Compose config: db: image: mysql restart: always ports: - "8999:3306" networks: - webnet environment: MYSQL_DATABASE: slack MYSQL_ROOT_PASSWORD: admin And then, the project will connect with MySQL through the Sequelize ORM I have this error: Unhandled rejection SequelizeConnectionRefusedError: connect ECONNREFUSED 172.18.0.4:3306 How can I

问题 here is link of my code . I am getting error in index.js in api-routes-index.js. getting error undefined map function 回答1: I guess here you have an error: subcategories: products.subcategories.map(Subcategory => { products is array, you can't get subcategories from array. Change it to this code: subcategories: Product.subcategories.map(Subcategory => { 回答2: Many to many associations in sequilize.js This will be helpful for you to solve the issue: One product has many order One order has many

问题 I am trying to use Sequelize to connect with a SQL Server 2012 database. When my connection string was clearly wrong, I was seeing ECONN REFUSED messages and timeout. Now, I am not getting any response, despite logging on success and fail, per this code: import * as Sequelize from 'sequelize'; -- connection string redacted let seqConn = new Sequelize("mssql://**;Initial Catalog=**;Persist Security Info=True;Integrated Security=SSPI; User ID=**; Password=**") seqConn .authenticate() .then

问题 I'm trying to get some rows from database that are soft deleted AND some that are not, but it's not working for me. Model.findAll({ 'where': { cond: 'xxx' }, include: [Model2], paranoid: false }).then(function (rows) { // do something }).catch(function (err) { // do something }); How can I do it? 回答1: The query you have should include instances of Model that have been soft-deleted, but won't include instances of Model2 that are soft-deleted. To get the soft-deleted Model2 instances, you'll

问题 I'm trying to get some rows from database that are soft deleted AND some that are not, but it's not working for me. Model.findAll({ 'where': { cond: 'xxx' }, include: [Model2], paranoid: false }).then(function (rows) { // do something }).catch(function (err) { // do something }); How can I do it? 回答1: The query you have should include instances of Model that have been soft-deleted, but won't include instances of Model2 that are soft-deleted. To get the soft-deleted Model2 instances, you'll

问题 What does the force option on sequelize.sync() do? sequelize.sync({ force: true }); Specifically, I am interested in knowing what force: false does? Will it not sync the schema with the database? Are there any formal docs for sequelize? I could only find examples inside the docs. 回答1: (More or less) formal docs and API reference can be found at http://sequelize.readthedocs.org/en/latest/api/sequelize/#sync To your question: force: true adds a DROP TABLE IF EXISTS before trying to create the