jackc/pgx · error

cannot convert %v to int64

Error message

cannot convert %v to int64

What it means

Error "cannot convert %v to int64" thrown in jackc/pgx.

Source

Thrown at pgtype/numeric.go:124

	}

	*n = Numeric{Int: big.NewInt(v.Int64), Valid: true}
	return nil
}

// Int64Value implements the [Int64Valuer] interface.
func (n Numeric) Int64Value() (Int8, error) {
	if !n.Valid {
		return Int8{}, nil
	}

	bi, err := n.toBigInt()
	if err != nil {
		return Int8{}, err
	}

	if !bi.IsInt64() {
		return Int8{}, fmt.Errorf("cannot convert %v to int64", n)
	}

	return Int8{Int64: bi.Int64(), Valid: true}, nil
}

func (n *Numeric) ScanScientific(src string) error {
	if !strings.ContainsAny(src, "eE") {
		return scanPlanTextAnyToNumericScanner{}.Scan([]byte(src), n)
	}

	if bigF, ok := new(big.Float).SetString(src); ok {
		smallF, _ := bigF.Float64()
		src = strconv.FormatFloat(smallF, 'f', -1, 64)
	}

	num, exp, err := parseNumericString(src)
	if err != nil {
		return err

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/numeric.go:124 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/9443a363f19332d5.json. Report an issue: GitHub.