jackc/pgx · error

invalid array: %w

Error message

invalid array: %w

What it means

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

Source

Thrown at pgtype/multirange.go:341

	if src == nil {
		return nil, nil
	}

	var multirange Multirange[Range[any]]
	err := m.PlanScan(oid, format, &multirange).Scan(src, &multirange)
	return multirange, err
}

func parseUntypedTextMultirange(src []byte) ([]string, error) {
	elements := make([]string, 0)

	buf := bytes.NewBuffer(src)

	skipWhitespace(buf)

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

	if r != '{' {
		return nil, fmt.Errorf("invalid multirange, expected '{' got %v", r)
	}

parseValueLoop:
	for {
		r, _, err = buf.ReadRune()
		if err != nil {
			return nil, fmt.Errorf("invalid multirange: %w", err)
		}

		switch r {
		case ',': // skip range separator
		case '}':
			break parseValueLoop
		default:

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/multirange.go:341 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/755ddf4ffe404982.json. Report an issue: GitHub.