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Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5) - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)
Date
Msg-id 27900.1458769886@sss.pgh.pa.us
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In response to Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)  (Peter Geoghegan <pg@heroku.com>)
Responses Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)
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Peter Geoghegan <pg@heroku.com> writes:
> There seems to be at least a few instances of over-optimizing
> strcoll() in the past few years. For example:
> https://github.com/bminor/glibc/commit/87701a58e291bd7ac3b407d10a829dac52c9c16e

> This bug looks like a possible candidate, given that complaints were
> about de_DE:
> https://github.com/bminor/glibc/commit/33a667def79c42e0befed1a4070798c58488170f
> Is this bug of the right vintage? Seems like it might be a bit too
> early for RHEL 6 to be affected, but I'm no expert.

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 ;-))

            regards, tom lane

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