jackc/pgx · error

invalid lower value: %w

Error message

invalid lower value: %w

What it means

Error "invalid lower value: %w" thrown in jackc/pgx.

Source

Thrown at pgtype/range.go:57

	skipWhitespace(buf)

	r, _, err := buf.ReadRune()
	if err != nil {
		return nil, fmt.Errorf("invalid lower bound: %w", err)
	}
	switch r {
	case '(':
		utr.LowerType = Exclusive
	case '[':
		utr.LowerType = Inclusive
	default:
		return nil, fmt.Errorf("missing lower bound, instead got: %v", string(r))
	}

	r, _, err = buf.ReadRune()
	if err != nil {
		return nil, fmt.Errorf("invalid lower value: %w", err)
	}
	buf.UnreadRune()

	if r == ',' {
		utr.LowerType = Unbounded
	} else {
		utr.Lower, err = rangeParseValue(buf)
		if err != nil {
			return nil, fmt.Errorf("invalid lower value: %w", err)
		}
	}

	r, _, err = buf.ReadRune()
	if err != nil {
		return nil, fmt.Errorf("missing range separator: %w", err)
	}
	if r != ',' {
		return nil, fmt.Errorf("missing range separator: %v", r)

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/range.go:57 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/6c4ddb7bbd7d1876.json. Report an issue: GitHub.