From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Rural Hunter <ruralhunter(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Subject: | Re: [ADMIN] pg_upgrade from 9.1.3 to 9.2 failed |
Date: | 2012-09-24 13:06:04 |
Message-ID: | 50605ABC.1000304@gmx.net |
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Thread: | |
Lists: | pgsql-admin pgsql-hackers |
On 9/24/12 8:55 AM, Bruce Momjian wrote:
> I can confirm that pg_upgrade does case-insensitive comparisons of
> encoding/locale names:
>
> static void
> check_locale_and_encoding(ControlData *oldctrl,
> ControlData *newctrl)
> {
> /* These are often defined with inconsistent case, so use pg_strcasecmp(). */
> if (pg_strcasecmp(oldctrl->lc_collate, newctrl->lc_collate) != 0)
> pg_log(PG_FATAL,
> "old and new cluster lc_collate values do not match\n");
> if (pg_strcasecmp(oldctrl->lc_ctype, newctrl->lc_ctype) != 0)
> pg_log(PG_FATAL,
> "old and new cluster lc_ctype values do not match\n");
I seem to recall that at some point in the distant past, somehow some
Linux distributions changed the canonical spelling of locale names from
xx_YY.UTF-8 to xx_YY.utf8. So if people are upgrading old PostgreSQL
instances that use the old spelling, pg_upgrade will probably fail. A
fix might be to take the locale name you find in pg_control and run it
through setlocale() to get the new canonical name.
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