On Thu, Dec 22, 2011 at 1:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> I'm wondering if we oughta just return NULL and be done with it.
>
> +1. There are multiple precedents for that sort of response, which we
> introduced exactly so that "SELECT some_function(oid) FROM some_catalog"
> wouldn't fail just because one of the rows had gotten deleted by the
> time the scan got to it. I don't think it's necessary for the
> relation-size functions to be any smarter. Indeed, I'd assumed that's
> all that Phil's patch did, since I'd not looked closer till just now.
>
> regards, tom lane
Here it is without the checking for recently dead. If it can't open
the relation it simply returns NULL.
