jackc/pgx · error

unexpected trailing data: %v

Error message

unexpected trailing data: %v

What it means

Error "unexpected trailing data: %v" thrown in jackc/pgx.

Source

Thrown at pgtype/array.go:232

			if err != nil {
				return nil, fmt.Errorf("invalid array value: %w", err)
			}
			if currentDim == counterDim {
				implicitDimensions[currentDim].Length++
			}
			dst.Quoted = append(dst.Quoted, quoted)
			dst.Elements = append(dst.Elements, value)
		}

		if currentDim < 0 {
			break
		}
	}

	skipWhitespace(buf)

	if buf.Len() > 0 {
		return nil, fmt.Errorf("unexpected trailing data: %v", buf.String())
	}

	switch {
	case len(dst.Elements) == 0:
	case len(explicitDimensions) > 0:
		dst.Dimensions = explicitDimensions
	default:
		dst.Dimensions = implicitDimensions
	}

	return dst, nil
}

func skipWhitespace(buf *bytes.Buffer) {
	var r rune
	var err error
	for r, _, _ = buf.ReadRune(); unicode.IsSpace(r); r, _, _ = buf.ReadRune() {
	}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/array.go:232 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/7634f91fa2f68cf0.json. Report an issue: GitHub.