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From: Ron Johnson <ronljohnsonjr@gmail.com>
To: pgsql-generallists.postgresql.org <pgsql-general@lists.postgresql.org>
Subject: Re: Choosing default collation/ctype
Date: Sun, 3 May 2026 17:05:32 -0400
Message-ID: <CANzqJaABDxgMYHOWVKFgZC-B1-JznyyghCPHVbwUR9datT-MWg@mail.gmail.com> (raw)
In-Reply-To: <CA+FnnTwpjzm+QNTtyx=J8LGmbS90ceVWaysfzbo-OxNi5Fq2kA@mail.gmail.com>
References: <CA+FnnTyJDvLijfizguNahiRO1LMHR4t9=_9-aO8P18cDZ6RRGA@mail.gmail.com>
	<CANzqJaB=zwoYT_rBwUX8q4VyqQBGWyjvAiW=UAJZ0+eh7HU0Zg@mail.gmail.com>
	<CA+FnnTwpjzm+QNTtyx=J8LGmbS90ceVWaysfzbo-OxNi5Fq2kA@mail.gmail.com>

On Sun, May 3, 2026 at 4:52 PM Igor Korot <ikorot01@gmail.com> wrote:

> Hi,
>
> On Sun, May 3, 2026 at 3:09 PM Ron Johnson <ronljohnsonjr@gmail.com>
> wrote:
> >
> > On Sun, May 3, 2026 at 3:52 PM Igor Korot <ikorot01@gmail.com> wrote:
> >>
> >> Hi, ALL,
> >> In the CREATE DATABASE statement I can use encoding/collation/ctype.
> >>
> >> I can retrieve the encoding list with:
> >>
> >> [code]
> >> SELECT pg_encoding_to_char( conforencoding ) AS name FROM pg_conversion
> >> [/code]
> >>
> >> And then I can get a list of collations/ctypes with:
> >>
> >> [code]
> >> SELECT collname, collencoding, collprovider collctype FROM pg_collation
> >> [/code]
> >>
> >> And then add a logic in my UI to switch collations/ctypes based on
> encoding.
> >>
> >> However, what I wonder is:
> >>
> >> Is there a way to select a default collation/ctype for a specific
> encoding?
> >>
> >> Or maybe I'm overthinking it and I should let the user choose and if
> >> nothing - just keep those 2 as "Default" and let the server pick it
> >> up. However it will be weird, especially from me as a user POV.
> >
> >
> > You know your data, not us.  The first question I'd try to is "how much
> client text data is not compatible with bog-standard UTF8?"
>
> I don't.
> Just trying to create a generic tool to use for people everywhere...
>

Then choose UTF8.

-- 
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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