In article <20040116054046.E4E751C173283@smtp.vip.163.com>,
"LitelWang" <wlxyk@vip.163.com> writes:
> I need this function :
> CheckDate('2002-02-29') return false
> CheckDate('2002-02-28') return true
Why would you want to do that? Just try to insert '2002-02-29' into
your DATE column, and PostgreSQL will complain.