Re: [HACKERS] Problems in 6.5.3 with Multi-Byte encoding

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
Cc: pgsql-bugs(at)postgreSQL(dot)org, pgsql-hackers(at)postgreSQL(dot)org, 50388(at)bugs(dot)debian(dot)org
Subject: Re: [HACKERS] Problems in 6.5.3 with Multi-Byte encoding
Date: 1999-11-30 03:17:28
Message-ID: 199911300317.WAA25318@candle.pha.pa.us
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Anyone want to comment on this? BIG5 anyone?

> 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
>
>
> --
> Vote against SPAM: http://www.politik-digital.de/spam/
> ========================================
> Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
> Isle of Wight http://www.lfix.co.uk/oliver
> PGP key from public servers; key ID 32B8FAA1
> ========================================
> "To show forth thy lovingkindness in the morning, and
> thy faithfulness every night." Psalms 92:2
>
>
>
> ************
>

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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