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From: Igor Korot <ikorot01@gmail.com>
Date: Thu, 18 Dec 2025 07:20:12 -0800
Message-ID: <CA+FnnTzE34VJWR7xkymaKEwXiiQ8j3o03m0+qcQsRr2JkRQLwQ@mail.gmail.com>
Subject: Re: PQexecPrepared() question
To: Laurenz Albe <laurenz.albe@cybertec.at>, 
	"pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>
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Hi,

On Tue, Dec 16, 2025 at 11:32=E2=80=AFPM Laurenz Albe <laurenz.albe@cyberte=
c.at>
wrote:

> On Tue, 2025-12-16 at 21:53 -0800, Igor Korot wrote:
> > Is there some default value for client_encoding?
>
> The default value for a client connection is whatever the parameter
> "client_encoding" was set to in the PostgreSQL server configuration.


Imagine following scenario:

I have 2 machines. One is running PG server on *nix. Second is my app on
Windows.

An application starts for the first time.

What is =E2=80=9Cclientencoding in this case?

Thank you.


>
> But that value can be overridden in several ways:
>
> - explicitly by setting "client_encoding" in the connect string
>
> - with the SQL statement SET by the client
>
> - if the client has "client_encoding=3Dauto", by the encoding set in
>   the client's environment
>
> - by setting the PGCLIENTENCODING environment variable
>
> Yours,
> Laurenz Albe
>

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<div dir=3D"auto">Hi,</div><div><br><div class=3D"gmail_quote gmail_quote_c=
ontainer"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Dec 16, 2025 at 11:=
32=E2=80=AFPM Laurenz Albe &lt;<a href=3D"mailto:laurenz.albe@cybertec.at">=
laurenz.albe@cybertec.at</a>&gt; wrote:<br></div><blockquote class=3D"gmail=
_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:=
1ex">On Tue, 2025-12-16 at 21:53 -0800, Igor Korot wrote:<br>
&gt; Is there some default value for client_encoding?<br>
<br>
The default value for a client connection is whatever the parameter<br>
&quot;client_encoding&quot; was set to in the PostgreSQL server configurati=
on.</blockquote><div dir=3D"auto"><br></div><div dir=3D"auto">Imagine follo=
wing scenario:</div><div dir=3D"auto"><br></div><div dir=3D"auto">I have 2 =
machines. One is running PG server on *nix. Second is my app on Windows.</d=
iv><div dir=3D"auto"><br></div><div dir=3D"auto">An application starts for =
the first time.</div><div dir=3D"auto"><br></div><div dir=3D"auto">What is =
=E2=80=9Cclientencoding in this case?</div><div dir=3D"auto"><br></div><div=
 dir=3D"auto">Thank you.</div><div dir=3D"auto"><br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex" dir=3D"auto"><br>
<br>
But that value can be overridden in several ways:<br>
<br>
- explicitly by setting &quot;client_encoding&quot; in the connect string<b=
r>
<br>
- with the SQL statement SET by the client<br>
<br>
- if the client has &quot;client_encoding=3Dauto&quot;, by the encoding set=
 in<br>
=C2=A0 the client&#39;s environment<br>
<br>
- by setting the PGCLIENTENCODING environment variable<br>
<br>
Yours,<br>
Laurenz Albe<br>
</blockquote></div></div>

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