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Re: BUG #4180: PANIC while PQExec on Client with differen locale from database

From: Christoph Becker <cgbecker(at)gmx(dot)de>
To: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #4180: PANIC while PQExec on Client with differen locale from database
Date: 2008-05-20 14:23:11
Message-ID: 4832DECF.5050507@gmx.de (view raw or flat)
Thread:
Lists: pgsql-bugs
I got almost the same error:

I dumped the database, which was in Latin9, with version 8.2.6 using
UTF8 as encoding.
Then loaded the database to version 8.3.1.
Now the database was running with UTF8 while on the client still was
iso-8859-15.
As as result postgresql..exe did crash very often.

Then I tried:
$ pg_dump -U postgres -f pxdump-2008-05-19a-Latin9.txt -E='Latin9' px

and got the following message:

pg_dump: SQL command failed
pg_dump: Error message from server: ERROR:  character 0xc2a4 of encoding
"UTF8"
has no equivalent in "LATIN9"
pg_dump: The command was: COPY public.p_behbl_log (lfdnr_log,
lfdnr_behbl, patnr
, datum, zahn_, zahn, behandlung, gebuehrenpos, ltyp, efs_bemerkung,
anz, faktor
, bemerkung, begruendung, material, punktzahl, punktsumme, punktwert,
betrag, wa
ehrung, fallnr, behandler, assistenz, createtime, sitzungskennz,
unfallkennz, no
tfallkennz, digest, digest_seq, abgerechnet, log_timestamp, log_user,
log_reason
) TO stdout;

in the Logfile I found:

2008-05-20 14:49:58 CEST ERROR:  character 0xc2a4 of encoding "UTF8" has
no equivalent in "LATIN9"
2008-05-20 14:49:58 CEST STATEMENT:  COPY public.p_behbl_log (lfdnr_log,
lfdnr_behbl, patnr, datum, zahn_, zahn, behandlung, gebuehrenpos, ltyp,
efs_bemerkung, anz, faktor, bemerkung, begruendung, material, punktzahl,
punktsumme, punktwert, betrag, waehrung, fallnr, behandler, assistenz,
createtime, sitzungskennz, unfallkennz, notfallkennz, digest,
digest_seq, abgerechnet, log_timestamp, log_user, log_reason) TO stdout;
2008-05-20 14:49:58 CEST LOG:  could not receive data from client:
Unknown winsock error 10061
2008-05-20 14:49:58 CEST LOG:  unexpected EOF on client connection

dumping just in utf8 did work.

Obviously, the converison from Latin9  (and other encodings?) to UTF8
did produce some characters which can not be encoded back to the
original encoding.

Regards,
Christoph Becker



Tom Lane schrieb:
> [ please keep the mailing list cc'd on discussions ]
>
> "bishop.gis" <bishop(dot)gis(at)gmail(dot)com> writes:
>   
>> This is result executing the same command with client_encoding = UTF8.
>> ERROR:  =CE=C5=D7=C5=D2=CE=C1=D1 =
>> =D0=CF=D3=CC=C5=C4=CF=D7=C1=D4=C5=CC=D8=CE=CF=D3=D4=D8 =C2=C1=CA=D4 =
>> =C9=CD=D1 =CB=CF=C4=C9=D2=CF=D7=CB=C9 "UTF8": 0xcdee (on
>> English -- invalid UTF-8 byte sequence detected near byte 0xcdee)
>> =F0=EF=E4=F3=EB=E1=FA=EB=E1:  This error can also happen if the byte =
>> sequence does not match
>> the encoding expected by the server, which is controlled by
>> "client_encoding".
>>     
>
> Hmm ... I don't read Russian, but I'm quite certain that what you sent
> isn't in UTF8.  Perhaps it is in KOI8-R?
>
> This lends some weight to the theory I suggested that gettext() is
> failing to return UTF8 on Windows.  That could be a red herring, since
> it's possible the encoding got changed when you copied the text into
> your mail message, but the theory seems to explain the observed facts
> so far.
>
> What locale settings are you using --- particularly lc_ctype and
> lc_messages?
>
> 			regards, tom lane
>
>   



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