jackc/pgx · error

invalid length for lseg: %v

Error message

invalid length for lseg: %v

What it means

Error "invalid length for lseg: %v" thrown in jackc/pgx.

Source

Thrown at pgtype/lseg.go:183

		P: [2]Vec2{
			{math.Float64frombits(x1), math.Float64frombits(y1)},
			{math.Float64frombits(x2), math.Float64frombits(y2)},
		},
		Valid: true,
	})
}

type scanPlanTextAnyToLsegScanner struct{}

func (scanPlanTextAnyToLsegScanner) Scan(src []byte, dst any) error {
	scanner := (dst).(LsegScanner)

	if src == nil {
		return scanner.ScanLseg(Lseg{})
	}

	if len(src) < 11 {
		return fmt.Errorf("invalid length for lseg: %v", len(src))
	}

	// Expected format: [(x1,y1),(x2,y2)]
	sp1, sp2, found := strings.Cut(string(src[2:len(src)-2]), "),(")
	if !found {
		return fmt.Errorf("invalid format for lseg")
	}

	sx1, sy1, found := strings.Cut(sp1, ",")
	if !found {
		return fmt.Errorf("invalid format for lseg")
	}
	sx2, sy2, found := strings.Cut(sp2, ",")
	if !found {
		return fmt.Errorf("invalid format for lseg")
	}

	x1, err := strconv.ParseFloat(sx1, 64)

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/lseg.go:183 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/477cbccbdb4af5b9.json. Report an issue: GitHub.