t.Fatal("expected errors to have occurred, but nothing happened")
	}
	if totalBatch != 0 {
		t.Fatalf("incorrect total batch, expected: %v, got: %v", 0, totalBatch)
	}

	if result := DB.Omit("id").Where("name = ?", users[0].Name).FindInBatches(&results, 2, func(tx *gorm.DB, batch int) error {
		totalBatch += batch
		return nil
	}); result.Error != gorm.ErrPrimaryKeyRequired {