mysql sequelize 聚合

User.findAll({attributes: [[sequelize.fn('COUNT', sequelize.col('*')), 'email']],raw: true }).then(function(users) {
  console.log(users)
})

sequelize.fn（聚合的函數，聚合裏面的參數）email 爲聚合的列

sequelize.col('*') 往聚合裏面添加參數