Function MakeDecimal

pkg/sql/types/types.go:666–687

MakeDecimal constructs a new instance of a DECIMAL type (oid = T_numeric) that has at most "precision" # of decimal digits (0 = unspecified number of digits) and at most "scale" # of decimal digits after the decimal point (0 = unspecified number of digits). scale must be <= precision.

(precision, scale int32)

// digits) and at most "scale" # of decimal digits after the decimal point
// (0 = unspecified number of digits). scale must be <= precision.
func MakeDecimal(precision, scale int32) *T {
	if precision == 0 && scale == 0 {
		return Decimal
	}
	if precision < 0 {
		panic(errors.AssertionFailedf("precision %d cannot be negative", precision))
	}
	if scale < 0 {
		panic(errors.AssertionFailedf("scale %d cannot be negative", scale))
	}
	if scale > precision {
		panic(errors.AssertionFailedf(
			"scale %d cannot be larger than precision %d", scale, precision))
	}
	return &T{InternalType: InternalType{
		Family:    DecimalFamily,
		Oid:       oid.T_numeric,
		Precision: precision,
		Width:     scale,
		Locale:    &emptyLocale,
	}}
}

// MakeTime constructs a new instance of a TIME type (oid = T_time) that has at
// most the given number of fractional second digits.