Method Value

array.go:475–502

Value implements the driver.Valuer interface.

()

// Value implements the driver.Valuer interface.
func (a GenericArray) Value() (driver.Value, error) {
	if a.A == nil {
		return nil, nil
	}

	rv := reflect.ValueOf(a.A)

	switch rv.Kind() {
	case reflect.Slice:
		if rv.IsNil() {
			return nil, nil
		}
	case reflect.Array:
	default:
		return nil, fmt.Errorf("pq: unable to convert %T to array", a.A)
	}

	if n := rv.Len(); n > 0 {
		// There will be at least two curly brackets, N bytes of values,
		// and N-1 bytes of delimiters.
		b := make([]byte, 0, 1+2*n)

		b, _, err := appendArray(b, rv, n)
		return string(b), err
	}

	return "{}", nil
}

// Int64Array represents a one-dimensional array of the PostgreSQL integer types.
type Int64Array []int64