Re: A creepy story about dates. How to prevent it?

On Thu, 2003-06-19 at 05:35, Bruno Wolff III wrote:
> On Thu, Jun 19, 2003 at 02:43:12 -0500,
> Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> wrote:
> >
> > OTOH, Andrew Snow's method (alway use ANSI standard YYYY-MM-DD)
> > is guaranteed to work. Have your app convert to that format before
> > inserting, and then PostgreSQL is guaranteed to puke if there's
> > a problem.
>
> No it isn't. In 7.4:
> area=> select '2003-20-02'::date;
> date
> ------------
> 2003-02-20
> (1 row)

Whoa...

It shouldn't be difficult, though, to create a function to validate
dates, and have it be an implicit CHECK on date fields. Should it?

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