JAVASCRIPT

left join in sequelize

Shop.findAll({
     where:{id:shopId}, 
     include:[
         { model:ShopAd, as:'ads', 
           where:{ 
                 is_valid:1, 
                 is_vertify:1},   
           required:false
           }
         ]
      })
      .success(function(result) {
        callback(result);
    });

sequelize left join attributes

Users.findAll({
    include: [
        {
            model: Role, 
            as: 'roles',
            attributes: ['columnNameToInclude']
        }
    ]
});

sequelize inner join

User.hasMany(Post, {foreignKey: 'user_id'})
Post.belongsTo(User, {foreignKey: 'user_id'})

Post.find({ where: { ...}, include: [User]})

sequelize inner join

Posts.findAll({
  include: [{
    model: User,
    required: true
   }]
}).then(posts => {
  /* ... */
});