jackc/pgx · error

int4: %w

Error message

int4: %w

What it means

Error "int4: %w" thrown in jackc/pgx.

Source

Thrown at pgtype/int.go:882

	var n int32
	err := codecScan(c, m, oid, format, src, &n)
	if err != nil {
		return nil, err
	}
	return n, nil
}

type scanPlanBinaryInt4ToInt8 struct{}

func (scanPlanBinaryInt4ToInt8) Scan(src []byte, dst any) error {
	if src == nil {
		return fmt.Errorf("cannot scan NULL into %T", dst)
	}

	raw, err := pgio.Uint32Exact(src)
	if err != nil {
		return fmt.Errorf("int4: %w", err)
	}

	p, ok := (dst).(*int8)
	if !ok {
		return ErrScanTargetTypeChanged
	}

	n := int32(raw)
	if n < math.MinInt8 {
		return fmt.Errorf("%d is less than minimum value for int8", n)
	} else if n > math.MaxInt8 {
		return fmt.Errorf("%d is greater than maximum value for int8", n)
	}

	*p = int8(n)

	return nil
}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/int.go:882 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/428409458a7ee902.json. Report an issue: GitHub.