Re: Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Marc-Olaf Jaschke <marc-olaf(dot)jaschke(at)s24(dot)com>, Postgres-Bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)
Date: 2016-03-23 17:52:14
Message-ID: CAM3SWZSDVO_4tyDPgYX5NWFW=3BcCLpHV-vUtKKJ-VryqoKjVQ@mail.gmail.com
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On Wed, Mar 23, 2016 at 10:46 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> If I had to make a recommendation right now, I would go for your
> option #4, ie shut 'em all down Scotty. We do not know the full extent
> of the problem but it looks pretty bad, and I think our first priority
> has to be to guarantee data integrity.

+1, but only for glibc, and configurable. The glibc default might
later be revisited in the stable 9.5 branch.

--
Peter Geoghegan

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