Re: Do we still need MULE_INTERNAL?
Tatsuo Ishii <ishii@postgresql.org>
From: Tatsuo Ishii <ishii@postgresql.org>
To: pgsql@j-davis.com
Cc: thomas.munro@gmail.com, pgsql-hackers@lists.postgresql.org,
tgl@sss.pgh.pa.us
Date: 2026-04-01T22:50:06Z
Lists: pgsql-hackers
> 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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API reference →
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pg_upgrade: Check for unsupported encodings.
- ce11e63f812f 19 (unreleased) landed
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Remove MULE_INTERNAL encoding.
- 77645d44e355 19 (unreleased) landed