Gender:   &sql.NullString{String: "M", Valid: true},
		Age:      sql.NullInt64{Int64: 18, Valid: true},
		Male:     sql.NullBool{Bool: true, Valid: true},
		Height:   sql.NullFloat64{Float64: 1.8888, Valid: true},
		Birthday: sql.NullTime{Time: time.Now(), Valid: true},
		Allergen: NullString{sql.NullString{String: "Allergen", Valid: true}},
		Password: EncryptedData("pass1"),
		Bytes:    []byte("byte"),

		}
	case *int, *int8, *int16, *int32, *int64,
		*uint, *uint8, *uint16, *uint32, *uint64, *uintptr,
		*float32, *float64,
		*bool, *string, *time.Time,
		*sql.NullInt32, *sql.NullInt64, *sql.NullFloat64,
		*sql.NullBool, *sql.NullString, *sql.NullTime:
		for initialized || rows.Next() {
			initialized = false
			db.RowsAffected++
			db.AddError(rows.Scan(dest))
		}
	default:
		var (

	case "int64":
		return reflect.TypeFor[int64]()
	case "nullint64":
		return reflect.TypeFor[NullInt64]()
	case "float64":
		return reflect.TypeFor[float64]()
	case "nullfloat64":
		return reflect.TypeFor[NullFloat64]()
	case "datetime":
		return reflect.TypeFor[time.Time]()
	case "any":
		return reflect.TypeFor[any]()
	}
	panic("invalid fakedb column type of " + typ)

func TestNullFloat64Param(t *testing.T) {
	spec := nullTestSpec{"nullfloat64", "float64", [6]nullTestRow{
		{NullFloat64{31.2, true}, 1, NullFloat64{31.2, true}},
		{NullFloat64{13.1, false}, 1, NullFloat64{0, false}},
		{-22.9, 1, NullFloat64{-22.9, true}},
		{NullFloat64{33.81, true}, 1, NullFloat64{33.81, true}},
		{NullFloat64{222, false}, 1, NullFloat64{0, false}},
		{10, NullFloat64{31.2, false}, nil},
	}}
	nullTestRun(t, spec)
}

	}
	return int64(n.Byte), nil
}

// NullFloat64 represents a float64 that may be null.
// NullFloat64 implements the [Scanner] interface so
// it can be used as a scan destination, similar to [NullString].
type NullFloat64 struct {
	Float64 float64
	Valid   bool // Valid is true if Float64 is not NULL
}

// Scan implements the [Scanner] interface.
func (n *NullFloat64) Scan(value any) error {
	if value == nil {

		{"NullBool.Bool", Field, 0},
		{"NullBool.Valid", Field, 0},
		{"NullByte", Type, 17},
		{"NullByte.Byte", Field, 17},
		{"NullByte.Valid", Field, 17},
		{"NullFloat64", Type, 0},
		{"NullFloat64.Float64", Field, 0},
		{"NullFloat64.Valid", Field, 0},
		{"NullInt16", Type, 17},
		{"NullInt16.Int16", Field, 17},
		{"NullInt16.Valid", Field, 17},
		{"NullInt32", Type, 13},
		{"NullInt32.Int32", Field, 13},

pkg database/sql, type NullBool struct, Bool bool
pkg database/sql, type NullBool struct, Valid bool
pkg database/sql, type NullFloat64 struct
pkg database/sql, type NullFloat64 struct, Float64 float64
pkg database/sql, type NullFloat64 struct, Valid bool
pkg database/sql, type NullInt64 struct
pkg database/sql, type NullInt64 struct, Int64 int64
pkg database/sql, type NullInt64 struct, Valid bool