Method Encode

pgproto3/bind.go:113–152

Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.

(dst []byte)

// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
func (src *Bind) Encode(dst []byte) ([]byte, error) {
	dst, sp := beginMessage(dst, 'B')

	dst = append(dst, src.DestinationPortal...)
	dst = append(dst, 0)
	dst = append(dst, src.PreparedStatement...)
	dst = append(dst, 0)

	if len(src.ParameterFormatCodes) > math.MaxUint16 {
		return nil, errors.New("too many parameter format codes")
	}
	dst = pgio.AppendUint16(dst, uint16(len(src.ParameterFormatCodes)))
	for _, fc := range src.ParameterFormatCodes {
		dst = pgio.AppendInt16(dst, fc)
	}

	if len(src.Parameters) > math.MaxUint16 {
		return nil, errors.New("too many parameters")
	}
	dst = pgio.AppendUint16(dst, uint16(len(src.Parameters)))
	for _, p := range src.Parameters {
		if p == nil {
			dst = pgio.AppendInt32(dst, -1)
			continue
		}

		dst = pgio.AppendInt32(dst, int32(len(p)))
		dst = append(dst, p...)
	}

	if len(src.ResultFormatCodes) > math.MaxUint16 {
		return nil, errors.New("too many result format codes")
	}
	dst = pgio.AppendUint16(dst, uint16(len(src.ResultFormatCodes)))
	for _, fc := range src.ResultFormatCodes {
		dst = pgio.AppendInt16(dst, fc)
	}

	return finishMessage(dst, sp)
}

// MarshalJSON implements encoding/json.Marshaler.
func (src Bind) MarshalJSON() ([]byte, error) {