On Tue, 1 Apr 2003, Tom Lane wrote:
> "Nigel J. Andrews" <nandrews@investsystems.co.uk> writes:
> > Probably becuase there is no 13th month so 01.13.03 can only be
> > interpreted as the 13th of January.
>
> Right, and the same goes for 13.01.03: even if your datestyle is mmddyy,
> the date parser will take this as ddmmyy, because otherwise it couldn't
> be valid. AFAIK there is no way to force the date parser to reject the
> input instead. Datestyle is used to drive the interpretation when the
> input is ambiguous, but not when there is only one interpretation that
> will work.
>
> If you prefer to be stiff-necked then I'd recommend putting some
> validation on the client side.
I think the better answer is to only insert dates in an unambiguous
format.