Re: Ideas for a relcache test mode about missing invalidations

From: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
To: pg(at)bowt(dot)ie
Cc: andres(at)anarazel(dot)de, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Ideas for a relcache test mode about missing invalidations
Date: 2018-08-09 04:11:31
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At Fri, 3 Aug 2018 15:42:22 -0700, Peter Geoghegan <pg(at)bowt(dot)ie> wrote in <CAH2-WzmXcHXa0MKx5a9NiaaCOE4E4T_rnaHa-N4gN-VoWUT8aw(at)mail(dot)gmail(dot)com>
> On Fri, Aug 3, 2018 at 12:34 AM, Kyotaro HORIGUCHI
> <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> >> I reread through the thread and IUCC, drop_index() is sending
> >> inval on the owing relation and invalidation happens (that is,
> >
> > I finally understand that I was totally inept. This came from
> > *the result* of the original -bug thread.
> I certainly would not say that you were in any way inept. Perhaps
> there is an argument for *also* doing what you propose. I am not
> dismissive of your idea.

I jumped to the URL to see the thread but it was not
up-to-date. It's the cause of my confusion that I thought the
problem was the error seen *after* the invalidation fix patch in
my repo.

> It seems like a question that should be considered separately, on
> another thread. If you still want to pursue it.

Thanks. I might bring this again later.


Kyotaro Horiguchi
NTT Open Source Software Center

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