jackc/pgx · error

invalid array value: %w

Error message

invalid array value: %w

What it means

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

Source

Thrown at pgtype/array.go:215

		}

		switch r {
		case '{':
			if currentDim == counterDim {
				implicitDimensions[currentDim].Length++
			}
			currentDim++
		case ',':
		case '}':
			currentDim--
			if currentDim < counterDim {
				counterDim = currentDim
			}
		default:
			buf.UnreadRune()
			value, quoted, err := arrayParseValue(buf)
			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())
	}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/array.go:215 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/16f4630d156fa7c9.json. Report an issue: GitHub.