t.Fatalf("failed to migrate, got error %v", err)
	}

	p1 := CustomizedTypePrimaryKey{Name: "p1"}
	p2 := CustomizedTypePrimaryKey{Name: "p2"}
	p3 := CustomizedTypePrimaryKey{Name: "p3"}
	DB.Create(&p1)
	DB.Create(&p2)
	DB.Create(&p3)

	var p CustomizedTypePrimaryKey

	if err := DB.First(&p, p2.ID).Error; err != nil {
		t.Errorf("No error should returns, but got %v", err)
	}