Method SubDays

postgres/parser/pgdate/pgdate.go:256–267

SubDays subtracts days from d with overflow and bounds checking.

(days int64)

// SubDays subtracts days from d with overflow and bounds checking.
func (d Date) SubDays(days int64) (Date, error) {
	if !d.IsFinite() {
		return d, nil
	}
	n, ok := utils.Sub32to64WithOverflow(d.days, days)
	if !ok {
		return Date{}, pgerror.WithCandidateCode(
			errors.Newf("%s - %d is out of range", d, errors.Safe(days)),
			pgcode.DatetimeFieldOverflow)
	}
	return MakeDateFromPGEpoch(n)
}