tests = append(tests, test{
				name: fmt.Sprint(a.GetTypeString(), "==", b.GetTypeString()),
				fields: fields{
					a: *a, b: *b,
				},
				wantOk: i == j,
			})
		}
	}
	for i := range valueBuilders {
		a := valueBuilders[i]()
		for j := range altValueBuilders {
			b := altValueBuilders[j]()
			tests = append(tests, test{
				name: fmt.Sprint(a.GetTypeString(), "!=", b.GetTypeString()),
				fields: fields{

}

func timestampCast(v *Value) (t time.Time, _ error) {
	switch x := v.value.(type) {
	case string:
		return parseSQLTimestamp(x)
	case []byte:
		return parseSQLTimestamp(string(x))
	case time.Time:
		return x, nil
	default:
		return t, errCastFailure(fmt.Sprintf("cannot cast %v to Timestamp type", v.GetTypeString()))
	}
}

func (v Value) MarshalJSON() ([]byte, error) {
	if b, ok := v.ToBytes(); ok {
		return b, nil
	}
	return json.Marshal(v.value)
}

// GetTypeString returns a string representation for vType
func (v Value) GetTypeString() string {
	switch v.value.(type) {
	case nil:
		return "NULL"
	case bool:
		return "BOOL"
	case string:
		return "STRING"
	case int64:
		return "INT"