What is the process for performing an Inner Join using SEQUELIZE?

My data is stored in two tables:

Table 1:

ID Name Email
First row row
Second row row

Table 2:

ID Number Status
First row row
Second row row

I have defined JS models for each table.

This is the model for Table 1:

import  Sequelize  from "sequelize";
import db from './index.js';

const table1 =  db.define("table_1", {
        id : {
            type: Sequelize.UUID,
            defaultValue: Sequelize.UUIDV4,
            allowNull: false,
            primaryKey: true
        },
        name: {
            type: Sequelize.STRING(100),
        },
        email: {
            type: Sequelize.STRING(100),
        }
    }, {
        schema: 'example',
        tableName: 'table1'
});

export default table1;

This is the model for Table 2:

import  Sequelize  from "sequelize";
import db from './index.js';

const table2 =  db.define("table_2", {
        id : {
            type: Sequelize.UUID,
            defaultValue: Sequelize.UUIDV4,
            allowNull: false,
            primaryKey: true
        },
        number: {
            type: Sequelize.STRING(100),
        },
        status: {
            type: Sequelize.STRING(50),
        }
    }, {
        schema: 'example',
        tableName: 'table2'
});

export default table2;

I want to perform an Inner Join operation using Sequelize. Instead of resorting to raw SQL, I prefer leveraging Sequelize's capabilities for this task. How can I achieve Inner Join with these tables?

The Inner Join query I envision looks like this:

SELECT    
    t1.id,
    t1.name,
    t2.email,
    t2.number,
    t2.status
FROM
    table2 t2
INNER JOIN table1 t1
    on t1.id = t2.id
WHERE
    t2.email = '<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="bcc8d9cfc892c8d9cfc8fcc8d9cfc892dfd3d1">[email protected]</a>';

Once again, my goal is to accomplish this behavior through Sequelize rather than employing raw SQL statements.

Answer №1

Give it a shot

Establishing a one-to-one relationship between Product and ProductCategory.
Product.hasOne(ProductCategory, { as: 'category', foreignKey: 'productId' });

Querying the database for products along with their respective categories.
const products = await Product.findAll({
        include: [
            {
                model: model.ProductCategory,
                as: 'category',
                required: true
            }
        ]
    });

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