Re: correct format for date, time, timestamp for XML functionality

"Pavel Stehule" <pavel.stehule@hotmail.com> writes:
> this patch ensures independency datetime fields on current datestyle
> setting. Add new internal datestyle USE_XSD_DATESTYLE. It's almoust same to
> USE_ISO_DATESTYLE. Differences are for timestamp:

> ISO: yyyy-mm-dd hh24:mi:ss
> XSD: yyyy-mm-ddThh24:mi:ss

Why is that a good idea?  Even if some standard out there mandates the
'T', I'd bet lunch that the other format is a whole lot more portable.

            regards, tom lane