How can I retrieve instance of last added item

type User struct {
  Id int
  Name string
}

user := User{Name: "jinzhu"}
db.Save(&user)
// user.Id is set to last insert id

Try as follows

type User struct {
  Id   int    `gorm:"column:id; PRIMARY_KEY" json:"id"`
  Name string `gorm:"column:name" json:"name"`
}

user := User{Name: "Andy"}
db.Save(&user)
// user.Id is set to last insert id