Method Encode

pgtype/multirange.go:87–133

(value any, buf []byte)

}

func (p *encodePlanMultirangeCodecText) Encode(value any, buf []byte) (newBuf []byte, err error) {
	multirange := value.(MultirangeGetter)

	if multirange.IsNull() {
		return nil, nil
	}

	elementCount := multirange.Len()

	buf = append(buf, '{')

	var encodePlan EncodePlan
	var lastElemType reflect.Type
	inElemBuf := make([]byte, 0, 32)
	for i := range elementCount {
		if i > 0 {
			buf = append(buf, ',')
		}

		elem := multirange.Index(i)
		var elemBuf []byte
		if elem != nil {
			elemType := reflect.TypeOf(elem)
			if lastElemType != elemType {
				lastElemType = elemType
				encodePlan = p.m.PlanEncode(p.ac.ElementType.OID, TextFormatCode, elem)
				if encodePlan == nil {
					return nil, fmt.Errorf("unable to encode %v", multirange.Index(i))
				}
			}
			elemBuf, err = encodePlan.Encode(elem, inElemBuf)
			if err != nil {
				return nil, err
			}
		}

		if elemBuf == nil {
			return nil, fmt.Errorf("multirange cannot contain NULL element")
		} else {
			buf = append(buf, elemBuf...)
		}
	}

	buf = append(buf, '}')

	return buf, nil
}

type encodePlanMultirangeCodecBinary struct {
	ac  *MultirangeCodec