In article <20040116054046(dot)E4E751C173283(at)smtp(dot)vip(dot)163(dot)com>,
"LitelWang" <wlxyk(at)vip(dot)163(dot)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.