jackc/pgx · error

is less than minimum value for int

Error message

%d is less than minimum value for int

What it means

Range guard converting an int64 into Go int: the value is below math.MinInt for the platform and would overflow, so it is rejected.

Solutions

1. Scan into int64 or pgtype.Int8 (on 32-bit platforms where int is narrower)
2. Constrain or cast the data to the platform int range

When it happens

Trigger: Thrown at pgtype/builtin_wrappers.go:114 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: /api/errors/6fdba429d8b05f9d. Report an issue: GitHub.

Appendix: source

Thrown at pgtype/builtin_wrappers.go:114

	return nil
}

func (w int64Wrapper) Int64Value() (Int8, error) {
	return Int8{Int64: int64(w), Valid: true}, nil
}

type intWrapper int

func (w intWrapper) SkipUnderlyingTypePlan() {}

func (w *intWrapper) ScanInt64(v Int8) error {
	if !v.Valid {
		return fmt.Errorf("cannot scan NULL into *int")
	}

	if v.Int64 < math.MinInt {
		return fmt.Errorf("%d is less than minimum value for int", v.Int64)
	}
	if v.Int64 > math.MaxInt {
		return fmt.Errorf("%d is greater than maximum value for int", v.Int64)
	}

	*w = intWrapper(v.Int64)

	return nil
}

func (w intWrapper) Int64Value() (Int8, error) {
	return Int8{Int64: int64(w), Valid: true}, nil
}

type uint8Wrapper uint8

func (w uint8Wrapper) SkipUnderlyingTypePlan() {}

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