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 {