1
的Structs:Golang GORM和幾個表關聯
type (
User struct{
ID int64
Name string
}
Group struct{
ID int64
Name string
Users []User
}
)
我插入寬度:
users := []User{}
user := User{ID: int64(1)}
gormConn.First(&user) // .Error is nil, user with ID=1 exists
users = append(users, user)
group := Group{
Name: "Grrr",
Users: users,
}
gormConn.Create(&group)
但是當我打電話gormConn.Find(&groups)
,我會得到[{id: 1, name: "Grrr", users: null}]
,而不是在SQL表[{id: 1, name: "Grrr", users: [{id:1, name: "Usr"}]}]
而且groups
列users
找不到。 (全部結構將爲gormConn.AutoMigrate
)