Problems in 6.5.3 with Multi-Byte encoding

With PostgreSQL compiled with support for locales and multi-byte encoding:

initdb -e BIG5

[start postmaster]
psql template1
\dS causes a segmentation fault in the backend

>From the log:

StartTransactionCommand
query: SELECT usename, relname, relkind, relhasrules FROM pg_class, pg_user
WHERE usesysid = relowner and ( relkind = 'r' OR relkind = 'i' OR relkind =
'S') and relname ~ '^pg_' and (relkind != 'i' OR relname !~ '^xinx') ORDER BY
relname
ProcessQuery
/usr/lib/postgresql/bin/postmaster: reaping dead processes...
/usr/lib/postgresql/bin/postmaster: CleanupProc: pid 294 exited with status 11

This can be isolated to the pattern-matching operator:

template1=> select * from pg_class where relname ~ '^pg_' ;
pqReadData() -- backend closed the channel unexpectedly.

------- Forwarded Message

Date: Thu, 18 Nov 1999 19:48:39 +0800
From: Chuan-kai Lin <cklin(at)oink(dot)cc(dot)ntu(dot)edu(dot)tw>
To: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
Subject: Re: Bug#50388: Backend close client-server channel unexpectedly

On Thu, Nov 18, 1999 at 09:18:34AM +0000, Oliver Elphick wrote:
> Something must have happened to the database as it was being created.
> At the moment, I would put it down to cosmic rays or something.

Through a friend who specializes in metaphysics and astronomy, I
have traced down the exact cause of our problem: PostgreSQL does
not like BIG5 encoding. If you supply "-e BIG5" to initdb, the
resulting database will be hosed. Plain and simple.

This looks like a tough one... somebody better notify the upstream
developers about this.

- -- Chuan-kai Lin

------- End of Forwarded Message

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