From: | Erik Wienhold <ewie(at)ewie(dot)name> |
---|---|
To: | Laura Smith <n5d9xq3ti233xiyif2vp(at)protonmail(dot)ch> |
Cc: | postgre <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Maintaining accents with "COPY" ? |
Date: | 2023-05-25 12:37:18 |
Message-ID: | 564260964.222854.1685018238693@office.mailbox.org |
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Lists: | pgsql-general |
> On 25/05/2023 12:08 CEST Laura Smith <n5d9xq3ti233xiyif2vp(at)protonmail(dot)ch> wrote:
>
> > Looks like an encoding issue and a mismatch between database encoding and
> > client encoding. You can check both with:
> >
> > SHOW server_encoding;
> > SHOW client_encoding;
> >
> > Then either set the client encoding or use COPY's encoding option to match
> > the database encoding (I assume utf8 in this example):
> >
> > SET client_encoding = 'utf8';
> > COPY (...) TO /tmp/bar.csv DELIMITER ',' CSV HEADER ENCODING 'utf8';
>
> Hi Erik,
>
> Looks like you could well be right about encoding:
>
> postgres=# SHOW server_encoding;
> server_encoding
> -----------------
> UTF8
> (1 row)
>
> postgres=# SHOW client_encoding;
> client_encoding
> -----------------
> SQL_ASCII
> (1 row)
>
> I will try your suggestion...
The client encoding is not the problem here. Using SQL_ASCII effectively uses
the server encoding. SQL_ASCII basically means uninterpreted bytes/characters.
From https://www.postgresql.org/docs/15/multibyte.html#id-1.6.11.5.7:
"If the client character set is defined as SQL_ASCII, encoding conversion is
disabled, regardless of the server's character set. (However, if the server's
character set is not SQL_ASCII, the server will still check that incoming data
is valid for that encoding; so the net effect is as though the client character
set were the same as the server's.) Just as for the server, use of SQL_ASCII is
unwise unless you are working with all-ASCII data."
--
Erik
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