t.Skip()
	}

	type Thing struct {
		gorm.Model
		SomeID  string
		OtherID string
		Data    string
	}

	DB.Migrator().DropTable(&Thing{})
	DB.Migrator().CreateTable(&Thing{})
	if err := DB.Exec("ALTER TABLE things ADD CONSTRAINT some_id_other_id_unique UNIQUE (some_id, other_id)").Error; err != nil {
		t.Error(err)
	}

	thing := Thing{
		SomeID:  "1234",
		OtherID: "1234",

			t.Fatalf("select expects: %v, got %v", u1.ID, gotUsers[0].ID)
		} else if gotUsers[1].ID != u2.ID {
			t.Fatalf("select expects: %v, got %v", u2.ID, gotUsers[1].ID)
		}

		u1.Name = "Jinzhu"
		u2.Name = "Zhang"
		if results := DB.Save([]*user{&u1, &u2}); results.Error != nil {
			t.Fatalf("errors happened on update: %v", results.Error)
		} else if results.RowsAffected != 2 {