Re: XML Issue with DTDs

On Dec20, 2013, at 18:52 , Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Thu, Dec 19, 2013 at 6:40 PM, Florian Pflug <fgp(at)phlo(dot)org> wrote:
>> Solving this seems a bit messy, unfortunately. First, I think we need to have some XMLOPTION value which is a superset of all the others - otherwise, dump & restore won't work reliably. That means either allowing DTDs if XMLOPTION is CONTENT, or inventing a third XMLOPTION, say ANY.
>
> Or we can just decide that it was a bug that this was ever allowed,
> and if you upgrade to $FIXEDVERSION you'll need to sanitize your data.
> This is roughly what we did with encoding checks.

What exactly do you suggest we outlaw? If there are XML values which
are CONTENT but not a DOCUMENT, and other values which are a DOCUMENT
but not CONTENT, then what is pg_restore supposed to set XMLOPTION
to?

best regards,
Florian Pflug