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Re: [18] Policy on IMMUTABLE functions and Unicode updates - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [18] Policy on IMMUTABLE functions and Unicode updates
Date
Msg-id CA+TgmoZDHyWX7Ma7A388=n0hurPtD81eKXHNYQWKeKjGJYgQgA@mail.gmail.com
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In response to Re: [18] Policy on IMMUTABLE functions and Unicode updates  (Jeff Davis <pgsql@j-davis.com>)
Responses Re: [18] Policy on IMMUTABLE functions and Unicode updates
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On Wed, Jul 24, 2024 at 1:45 PM Jeff Davis <pgsql@j-davis.com> wrote:
> There's a qualitative difference between a collation update which can
> break your PKs and FKs, and a ctype update which definitely will not.

I don't think that's true. All you need is a unique index on UPPER(somecol).

--
Robert Haas
EDB: http://www.enterprisedb.com

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