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From: Tatsuo Ishii <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Subject: Re: Do we still need MULE_INTERNAL?
Date: Thu, 02 Apr 2026 07:50:06 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

> Repro of my case:
> 
>   cd pgsql18dbg
>   ./bin/initdb -D data -N -E MULE_INTERNAL --locale=C
>   ./bin/pg_ctl -D data -l logfile start
>   PGCLIENTENCODING=SQL_ASCII ./bin/psql postgres \
>     -c 'create table x(t text);'
>   ./bin/pg_ctl -D data stop
>   cd ../pgsql19dbg
>   ./bin/initdb -D data -N -E SQL_ASCII --locale=C
>   ./bin/pg_upgrade -b ../pgsql18dbg/bin -B bin \
>     -d ../pgsql18dbg/data -D data

Oh, initdb with encoding MULE_INTERNAL. I see cause of the error now.

>   ===========================
>   ...
>   Performing Upgrade
>   ------------------
>   ...
>   Setting frozenxid and minmxid counters in new cluster        
> connection to server on socket ".../pgsql19dbg/.s.PGSQL.50432" failed:
> FATAL:  invalid database encoding: 7
> 
>   Failure, exiting
>   ===========================
> 
> It's easy to fix by just rejecting MULE_INTERNAL during the "check"
> phase.

Agreed.

Regards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp

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