User is not associated to Temperature. Sequelize Eager loading error - node.js

Question

In my application every user can record many temperatures, but one temperature record should have only one user. I am trying to execute the following code and facing an 'User is not associated with Temperature' Error. Please review my code below and let me know where i have gone wrong.
This is my User model
const { Sequelize, DataTypes, Model } = require('sequelize');
const sequelize = require('../connection');
var Temperature = require('./temperature');
var User = sequelize.define('User', {
id: {
type: Sequelize.INTEGER,
autoIncrement: true,
primaryKey: true,
},
firstName: {
type: DataTypes.STRING,
allowNull: false
},
lastName: {
type: DataTypes.STRING,
allowNull: false
},
email: {
type: DataTypes.STRING,
allowNull: false
},
password: {
type: DataTypes.STRING,
allowNull: false
},
status: {
type: DataTypes.STRING,
allowNull: false,
defaultValue: 'Active'
},
role: {
type: DataTypes.STRING,
allowNull: false,
defaultValue: 'Admin'
}
});
User.associate = (models) => {
User.hasMany(models.Temperature, { as: 'temperatures' })
}
module.exports = User;
This is my Temperature model
const { Sequelize, DataTypes, Model } = require('sequelize');
const sequelize = require('../connection');
const User = require('./users');
var Temperature = sequelize.define('Temperature', {
id: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true,
},
userId: {
type: DataTypes.INTEGER,
allowNull: false,
},
temperature: {
type: DataTypes.FLOAT,
allowNull: false
},
recordDateTime: {
type: DataTypes.DATE,
allowNull: false
}
});
Temperature.associate = (models) => {
Temperature.belongsTo(models.User, { foreignKey: 'userId', as: 'user' })
}
module.exports = Temperature;
I am getting error in running the following code
Temperature.findAll({ include: User, raw:true})
.then((res)=>{
console.log(res);
})
Can you anyone please help in figuring out this issue.
The associate functions in both the models are not executing.

Answer 1

you don't need to add userId column into Temperature model schema, just define associations as you have already did and even if you want to add userId column in model schema the do it like below but must add it in migration file of your Temperature model schema like below
userId: {
type: Sequelize.INTEGER,
allowNull: false,
references: {
model: 'Users', // <----- name of the table
key: 'id' // <----- primary key
}
}