jackc/pgx · error

unknown UpperType: %v

Error message

unknown UpperType: %v

What it means

Error "unknown UpperType: %v" thrown in jackc/pgx.

Source

Thrown at pgtype/range_codec.go:103

	case Inclusive:
		rangeType |= lowerInclusiveMask
	case Unbounded:
		rangeType |= lowerUnboundedMask
	case Exclusive:
	case Empty:
		return append(buf, emptyMask), nil
	default:
		return nil, fmt.Errorf("unknown LowerType: %v", lowerType)
	}

	switch upperType {
	case Inclusive:
		rangeType |= upperInclusiveMask
	case Unbounded:
		rangeType |= upperUnboundedMask
	case Exclusive:
	default:
		return nil, fmt.Errorf("unknown UpperType: %v", upperType)
	}

	buf = append(buf, rangeType)

	if lowerType != Unbounded {
		if lower == nil {
			return nil, fmt.Errorf("Lower cannot be NULL unless LowerType is Unbounded")
		}

		sp := len(buf)
		buf = pgio.AppendInt32(buf, -1)

		lowerPlan := plan.m.PlanEncode(plan.rc.ElementType.OID, BinaryFormatCode, lower)
		if lowerPlan == nil {
			return nil, fmt.Errorf("cannot encode %v as element of range", lower)
		}

		buf, err = lowerPlan.Encode(lower, buf)

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/range_codec.go:103 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of jackc/pgx@ec1a0befd2 (2026-08-04). Data as JSON: /data/errors/3f4739e46baf0c81.json. Report an issue: GitHub.