Gorm How to update the middle table field sort ?

Your Question

type User struct {
    Id int gorm:"primaryKey;autoIncrement;" json:"Id"
    Name string json:"name"
    Roles []Rolegorm:"many2many:user_role;"
    ...
}

type Role struct {
    Id int gorm:"primaryKey;autoIncrement;" json:"Id"
    Name string json:"name"
    ...
}

user := User{Name:"test", Roles:[]Role{
    {Name:"角色名称1"},
    {Name:"角色名称2"},
}}

user_role table fields (user_id, role_id, sort)

Now only the role of the intermediate table will be updated_ Id and user_ id . How to update the middle table field sort ?

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Expected answer

Expected to update the sorting of other fields in the intermediate table