}
	DB.Create(&companies)

	if companies[0].ID != 101 || companies[1].ID != 102 {
		t.Errorf("invalid primary key after creating, got %v, %v", companies[0].ID, companies[1].ID)
	}
}

func TestCreateFromSubQuery(t *testing.T) {
	user := User{Name: "jinzhu"}

	DB.Create(&user)

	subQuery := DB.Table("users").Where("name=?", user.Name).Select("id")