| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] More stats about skipped vacuums |
| Date: | 2017-11-26 20:19:41 |
| Message-ID: | 1451.1511727581@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Sat, Nov 25, 2017 at 12:09 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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.
regards, tom lane
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