Horton

Re: some utf8 breaking substring(txt,1,3) but not substring(txt from '^.{4}')

Fujii Masao <masao.fujii@gmail.com>

View thread
From: Fujii Masao <masao.fujii@gmail.com>
To: Hannu Krosing <hannuk@google.com>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2026-05-29T15:54:32Z
Lists: pgsql-hackers 
On Sat, May 30, 2026 at 12:35 AM Hannu Krosing <hannuk@google.com> wrote:
>
> But looks like I can not reproduce it on any other computer (I though
> I had verified it on vanill Ubuntu 22.04 as well), so no need to do
> any more investigation until I can reproduce it elsewhere

This is just a *guess*, but is it possible that you were using a bit older
PostgreSQL version and hit the same issue reported at [1]? If so,
this issue was already fixed by commit 9f4fd119b2c.

Regards,

[1] https://postgr.es/m/19406-9867fddddd724fca@postgresql.org

-- 
Fujii Masao