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From: Dominique Devienne <[email protected]>
To: Daniel Verite <[email protected]>
Cc: Laurenz Albe <[email protected]>
Cc: [email protected]
Subject: Re: LOCALE C.UTF-8 on EDB Windows v17 server
Date: Thu, 5 Jun 2025 15:07:49 +0200
Message-ID: <CAFCRh--J-Ra-Y73utj9SN4koJnucAH9+7eOY4Ya-av1wtv3pqg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAFCRh--iJ4MT2exvXnvRPum+7su3Jn9qmnBQqxWsAtyEyEo83A@mail.gmail.com>
	<[email protected]>

On Thu, Jun 5, 2025 at 2:40 PM Daniel Verite <[email protected]> wrote:
>         Dominique Devienne wrote:
> > On Linux, no error unlike on Windows (still inconsistent there IMHO),
> > but the result is slightly different for datcollate and datctype (C vs
> > en_US),
> > while the same for datlocprovider and datlocale, what I looked at.
> >
> > Thus I kinda persist that there *is* a portability issue here.
>
> "datcollate" and "datctype" refer to operating system locale names.
>
>  locale 'C.UTF-8' or lc_collate 'C.UTF-8' lc_ctype 'C.UTF-8'
> cannot work on Windows because Windows does not have a locale
> named C.UTF-8, whereas a Linux system does (well at least recent
> Linuxes. Some old Linuxes don't).

But isn't the point of the new-in-v17 builtin provider is to be system
independent???

> What you are seeing is the effect of OS locales not being portable
> across systems. That's confusing but not a Postgres bug.

Thus builtin SHOULD be portable IMHO. --DD

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