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From: Igor Korot <[email protected]>
To: Laurenz Albe <[email protected]>
To: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: PQexecPrepared() question
Date: Fri, 19 Dec 2025 20:10:12 -0800
Message-ID: <CA+FnnTyYBNwbzFs5GqO+SMg3g60jPTsnmFwTV=_s_YboGo-68A@mail.gmail.com> (raw)
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Hi, ALL,

On Fri, Dec 19, 2025 at 9:17 AM Igor Korot <[email protected]> wrote:

> Hi, Lauren’s,
>
> On Thu, Dec 18, 2025 at 11:43 PM Laurenz Albe <[email protected]>
> wrote:
>
>> On Thu, 2025-12-18 at 07:20 -0800, Igor Korot wrote:
>> > 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 “clientencoding in this case?
>>
>> If I read the code correctly:
>>
>> - if PGCLIENTENCODING is set in the environment of the client executable,
>> that
>
>
> No it is not.
>

>
>>
>> - otherwise, if "client_encoding" is set on the server, that
>
>
I just checked the postgres.conf.

This file does not have any client_encoding.



> I guess I is.
> But what is the purpose of setting client encoding on the server? It is
> for the client
>
> Thank you.
>
>
>>
>> - otherwise, SQL_ASCII
>
>
Which means that this is an encoding that will be used.

But then I don’t understand anything.

The code I posted above worked fine on SELECT, but INSERT failed.

If the SQL_ASCII is the encoding used both operations should fail. Or both
succeeds.

Could someone explain what happened?

Thank you.



>>
>> Yours,
>> Laurenz Albe
>>
>


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