Sequelize 'hasMany' associated(model) count in attributes in query execution

Question

Sequelize version: 4.22.6, MySql version:5.7.8 I want to \'hasMany\' associated(CompanyUser) count in attibutes(at place of _user_count_) in query execution

Answer 1

You can use sequelize.fn , try to run below query :

Company.findAll({
    attributes: [
        'id', 'title', 'is_enabled',
        [sequelize.fn('count', sequelize.col('company_users.id')) ,'user_count'] // <---- Here you will get the total count of user
    ],
    include: [
        {
            model: sqConn.CompanyUser,
            attributes: [] // <----- Make sure , this should be empty
        }
    ],
    group: ['companies.id'] // <---- You might require this one also
}).then(data => { 
    console.log(data); // <---- Check the output
})