On Wed, Apr 07, 2004 at 03:40:57PM -0400, Tom Lane wrote:
>
> In practice, we know that we have seen index failures from altering the
> locale settings (back before we installed the code that locks down
> LC_COLLATE/LC_CTYPE at initdb time). I do not recall having heard any
Cannot the same failure happen if one upgrades their glibc / locales
and the new version implements the locale differently? Perhaps fixing
previous bug, or simply producing different results for strcoll /
strxfrm? If PostgreSQL depends on external locale information for
something as important as indexes, shouldn't it make elementary checks
(upon startup, perhaps) that the current locale settings and the
current locale version produces results compatible with the existing
indexes? And if it does not, reindex?
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