| 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>, 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 22:08:05 |
| Message-ID: | CAM3SWZTwx734-Ti+d4atBAfEHXF15Ofbr85D6pkKftTY_Qok3w@mail.gmail.com |
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| Lists: | pgsql-bugs pgsql-hackers |
On Wed, Mar 23, 2016 at 2:51 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> It is too early. RHEL6 seems to be based off glibc 2.12, released 2010.
> (By the same token, it's not got the other bug you mention ;-))
Well, it looked like everything was fine for "debian testing, glibc
2.22-3", including de_DE.UTF-8. In theory, it's only a matter of using
git-bisect to find what the fix was. That's just leg-work. I will find
time for it after the ongoing CF.
Mercifully, the situation with Glibc 2.22 suggests that the Glibc
people *aren't* fixing the strcoll() bugs in stable branches. But that
also means that it will take a long time to make non-C collation text
sorting use abbreviation on most systems, which is certainly
disappointing.
--
Peter Geoghegan
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