return nil, nil
	}
	return json.RawMessage(j).MarshalJSON()
}

type ExampleStruct struct {
	Name string
	Val  string
}

func (s ExampleStruct) Value() (driver.Value, error) {
	return json.Marshal(s)
}

func format(v []byte, escaper string) string {
	return escaper + strings.ReplaceAll(string(v), escaper, escaper+escaper) + escaper
}

func TestExplainSQL(t *testing.T) {
	type role string