On Mon, Nov 27, 2017 at 5:19 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Sat, Nov 25, 2017 at 12:09 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Mumble. It's a property I'm pretty hesitant to give up, especially
>>> since the stats views have worked like that since day one. It's
>>> inevitable that weakening that guarantee would break peoples' queries,
>>> probably subtly.
>
>> You mean, queries against the stats views, or queries in general? If
>> the latter, by what mechanism would the breakage happen?
>
> Queries against the stats views, of course.
There has been much discussion on this thread, and the set of patches
as presented may hurt performance for users with a large number of
tables, so I am marking it as returned with feedback.
--
Michael