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

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Geoghegan <pg(at)heroku(dot)com>, Marc-Olaf Jaschke <marc-olaf(dot)jaschke(at)s24(dot)com>, Postgres-Bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)
Date: 2016-03-23 00:05:19
Message-ID: CA+TgmobNMwQB55XOMF+dQVGTfcxELL7EPf==mH51dPUw+0Y57Q@mail.gmail.com
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On Tue, Mar 22, 2016 at 7:48 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Tue, Mar 22, 2016 at 7:19 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Please try this on as many platforms as you can get hold of ...
>
> On MacOS X 10.10.5, this fails because the strxfrm() blobs are far
> longer than the maximum you defined (about 8n+8 bytes, IIRC). I fixed
> that and ran this; all locales tested good.

Here are the results on Fedora 16 and RHEL 7.1.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Attachment Content-Type Size
f16.txt text/plain 38.0 KB
rhel7-1.txt text/plain 35.5 KB

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