jackc/pgx · error

invalid format for lseg

Error message

invalid format for lseg

What it means

Error "invalid format for lseg" thrown in jackc/pgx.

Source

Thrown at pgtype/lseg.go:189

}

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)
	if err != nil {
		return err
	}
	y1, err := strconv.ParseFloat(sy1, 64)
	if err != nil {
		return err

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/lseg.go:189 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/6921ab2b83e9f0dc.json. Report an issue: GitHub.